[ASE 12.5.4] problème de performance

[kei-kun]

Bonjour,

Voila mon petit problème.

A l'heure actuelle j'ai deux moteur sybase sur deux machines distinct.
la première est un moteur sybase 12.5.0 et le deuxième un moteur sybase 12.5.4 .
J'ai developpé une application sur le moteur sybase 12.5.0 à l'aide de procédure stocké (+ de 1500 procs contenant en moyenne entre 200 et 400 lignes chacune) .

J'ai effectué une optimisation sur l'une des procédures en utilisant des tables temporaires et des indexes. Sous sybase 12.5.0 sa ma permis de gagner du temps (je passe de 2min30 à 1min) par contre sous sybase 12.5.4 le temps a augmenté (de 30s je passe à 3 min) . Il faut savoir que les deux machines n'ont pas tout à fait les même caractéristique ( la première n'est qu'un mono processeur avec 512 de ram alors que la deuxième et un bi processeur G5 avec 4GO de ram).

qu'elle paramètre j'aurai pu oublier de mettre à jour sur mon install de 12.5.4 qui pourrait provoquer cette différence de temps ?
ou y'a t'il un moyen de voir ce u'exécute ma procédure ? (on m'a parlé d'explain plan sous oracle)

Merci encore de l'aide que vous pourrez m'apporter.
kei-kun

[arona]

Déja quel version est sur quel serveur ?? tu peux faire un set shoplan on afin de voir le plan d'éxécution... sinon sur ta machine a deux procs, de faire la configuration max online engine a 2 number of engine a 2. Tu peux de plus utiliser le parallelisme...
Voir le nombre of locks durant l'éxecution de tes procédures voir si ce paramètre est correctement dimenssioné car les contention sont souvent au niveau des locks..
Voila pour une first analyse.
A+

[kei-kun]

Les deux machines sont sous Unix. (5.2 pour la meilleur config l'autre je sais pas)

concernant les processeurs se sont deux bi-processeurs G5 donc je dois passer la variable à 4 ??

qu'est ce que tu entend par utiliser le parallélisme ?

Voir le nombre of locks durant l'éxecution de tes procédures voir si ce paramètre est correctement dimenssioné car les contention sont souvent au niveau des locks..

excuse moi je viens de commencer en tant que développeur sybase et admin en meme temps donc si tu pouvais être un epu plus explicite . c'est à dire qu'entend tu par paramètre sur le nombre de lock?

merci encore de ton aide

[mpeppler]

La première chose à faire est d'exécuter la requête qui pose problème dans les deux environnements en positionnant le "SET SHOWPLAN ON" et "SET STATISTICS IO ON".

Cela permettra de voir si le plan d'exécution est le même (ce qui n'est probablement pas le cas), et dans quelles tables il y a le plus d'IO (physiques et logiques).

Ensuite il faudra voir quelles sont éventuellement les différences de configurations entre les deux serveurs (mémoire cache, principalement).

Tu peux exécuter "sp_cacheconfig" pour voir comment sont configurées les caches sur les deux serveurs.

Ces deux actions devraient déjà permettre d'y voir un peu plus clairs.

Michael

[kei-kun]

Concernant la mémoire cache les deux serveurs ont 50MO de cache. (MAJ hier sur le nouveau serveur mais sa n'a eu aucune incidence sur mon problème)

Si sa peut aider voici les deux explain plan de ma requête optimisé.
la première est sur l'ancien serveur (petite config mais les temps de réponse pour cette requête sont plus rapide...) et le deuxième est le nouveau serveur (config importante mais temps moins rapide...).
(La charge sur les deux serveur est approximativement la même.)
ancien serveur :

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QUERY PLAN FOR STATEMENT 1 (at line 1). 
 
 
 
 
    STEP 1 
        The type of query IS CREATE TABLE. 
 
 
 
 
QUERY PLAN FOR STATEMENT 2 (at line 7). 
 
 
 
 
    STEP 1 
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QUERY PLAN FOR STATEMENT 3 (at line 13). 
 
 
 
 
    STEP 1 
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QUERY PLAN FOR STATEMENT 4 (at line 19). 
 
 
 
 
    STEP 1 
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QUERY PLAN FOR STATEMENT 5 (at line 20). 
 
 
 
 
    STEP 1 
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QUERY PLAN FOR STATEMENT 6 (at line 21). 
 
 
 
 
    STEP 1 
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QUERY PLAN FOR STATEMENT 7 (at line 22). 
 
 
 
 
    STEP 1 
        The type of query IS CREATE TABLE. 
 
 
 
 
QUERY PLAN FOR STATEMENT 8 (at line 23). 
 
 
 
 
    STEP 1 
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QUERY PLAN FOR STATEMENT 9 (at line 24). 
 
 
 
 
    STEP 1 
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QUERY PLAN FOR STATEMENT 10 (at line 25). 
 
 
 
 
    STEP 1 
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QUERY PLAN FOR STATEMENT 11 (at line 30). 
 
 
 
 
    STEP 1 
        The type of query IS DECLARE. 
 
 
 
 
QUERY PLAN FOR STATEMENT 12 (at line 33). 
 
 
 
 
    STEP 1 
        The type of query IS SELECT. 
 
 
 
 
QUERY PLAN FOR STATEMENT 13 (at line 34). 
 
 
 
 
    STEP 1 
        The type of query IS SELECT. 
 
 
 
 
QUERY PLAN FOR STATEMENT 14 (at line 36). 
 
 
 
 
    STEP 1 
        The type of query IS SELECT. 
 
 
 
 
QUERY PLAN FOR STATEMENT 15 (at line 39). 
 
 
 
 
    STEP 1 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            OrdrePaiement 
        Nested iteration. 
        INDEX : IX_OrdrePaiement_02 
        Forward scan. 
        Positioning BY KEY. 
        KEYS are: 
            AnneeGestionOrdrePaiement  ASC 
        USING I/O Size 2 Kbytes FOR INDEX leaf pages. 
        WITH MRU Buffer Replacement Strategy FOR INDEX leaf pages. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
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QUERY PLAN FOR STATEMENT 16 (at line 51). 
 
 
 
 
    STEP 1 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            OrdrePaiement 
        Nested iteration. 
        INDEX : IX_OrdrePaiement_02 
        Forward scan. 
        Positioning BY KEY. 
        KEYS are: 
            AnneeGestionOrdrePaiement  ASC 
        USING I/O Size 2 Kbytes FOR INDEX leaf pages. 
        WITH LRU Buffer Replacement Strategy FOR INDEX leaf pages. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
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            #DDRUOrdrePaiement2 
        USING I/O Size 2 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 17 (at line 61). 
 
 
 
 
    STEP 1 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            OrdrePaiement 
        Nested iteration. 
        INDEX : IX_OrdrePaiement_02 
        Forward scan. 
        Positioning BY KEY. 
        KEYS are: 
            AnneeGestionOrdrePaiement  ASC 
        USING I/O Size 2 Kbytes FOR INDEX leaf pages. 
        WITH LRU Buffer Replacement Strategy FOR INDEX leaf pages. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
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            #DDRU2OrdrePaiement3 
        USING I/O Size 2 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 18 (at line 71). 
 
 
 
 
    STEP 1 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            Engagement 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #Engagement 
        USING I/O Size 2 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 19 (at line 80). 
 
 
 
 
    STEP 1 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            #OrdrePaiement1 
            O1 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
 
 
        FROM TABLE 
            LignePaiement 
            LP1 
        Nested iteration. 
        INDEX : FK_LignePaiement_02 
        Forward scan. 
        Positioning BY KEY. 
        KEYS are: 
            IdOrdrePaiement  ASC 
        USING I/O Size 2 Kbytes FOR INDEX leaf pages. 
        WITH LRU Buffer Replacement Strategy FOR INDEX leaf pages. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #LP1 
        USING I/O Size 2 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 20 (at line 89). 
 
 
 
 
    STEP 1 
        The type of query IS SELECT (INTO Worktable1). 
        GROUP BY 
        Evaluate Grouped SUM OR AVERAGE AGGREGATE. 
 
 
        FROM TABLE 
            #LP1 
            LP1 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
 
 
        FROM TABLE 
            #Engagement 
            E1 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            Worktable1. 
 
 
    STEP 2 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            Worktable1. 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #Reglement_DDRU 
        USING I/O Size 2 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 21 (at line 103). 
 
 
 
 
    STEP 1 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            #DDRUOrdrePaiement2 
            O1 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
 
 
        FROM TABLE 
            LignePaiement 
            LP1 
        Nested iteration. 
        INDEX : FK_LignePaiement_02 
        Forward scan. 
        Positioning BY KEY. 
        KEYS are: 
            IdOrdrePaiement  ASC 
        USING I/O Size 2 Kbytes FOR INDEX leaf pages. 
        WITH LRU Buffer Replacement Strategy FOR INDEX leaf pages. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #LP2 
        USING I/O Size 2 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 22 (at line 111). 
 
 
 
 
    STEP 1 
        The type of query IS SELECT (INTO Worktable1). 
        GROUP BY 
        Evaluate Grouped SUM OR AVERAGE AGGREGATE. 
 
 
        FROM TABLE 
            #LP2 
            LP1 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
 
 
        FROM TABLE 
            #Engagement 
            E1 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            Worktable1. 
 
 
    STEP 2 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            Worktable1. 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #2Reglement_DDRU 
        USING I/O Size 2 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 23 (at line 125). 
 
 
 
 
    STEP 1 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            #DDRU2OrdrePaiement3 
            O1 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
 
 
        FROM TABLE 
            LignePaiement 
            LP1 
        Nested iteration. 
        INDEX : FK_LignePaiement_02 
        Forward scan. 
        Positioning BY KEY. 
        KEYS are: 
            IdOrdrePaiement  ASC 
        USING I/O Size 2 Kbytes FOR INDEX leaf pages. 
        WITH LRU Buffer Replacement Strategy FOR INDEX leaf pages. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #LP3 
        USING I/O Size 2 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 24 (at line 133). 
 
 
 
 
    STEP 1 
        The type of query IS SELECT (INTO Worktable1). 
        GROUP BY 
        Evaluate Grouped SUM OR AVERAGE AGGREGATE. 
 
 
        FROM TABLE 
            #LP3 
            LP1 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
 
 
        FROM TABLE 
            #Engagement 
            E1 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            Worktable1. 
 
 
    STEP 2 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            Worktable1. 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #3Reglement_DDRU 
        USING I/O Size 2 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 25 (at line 149). 
 
 
 
 
    STEP 1 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
        Worktable1 created FOR REFORMATTING. 
 
 
        FROM TABLE 
            #Reglement_DDRU 
            R1 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            Worktable1. 
 
 
    STEP 2 
        The type of query IS UPDATE. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            #Reglement_DDRU 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
 
 
        FROM TABLE 
            #2Reglement_DDRU 
            R2 
        EXISTS TABLE : nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
 
 
        FROM TABLE 
            Worktable1. 
        EXISTS TABLE : nested iteration. 
        USING Clustered INDEX. 
        Forward scan. 
        Positioning BY KEY. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #Reglement_DDRU 
        USING I/O Size 2 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 26 (at line 157). 
 
 
 
 
    STEP 1 
        The type of query IS INSERT. 
        The UPDATE mode IS deferred. 
 
 
        FROM TABLE 
            #2Reglement_DDRU 
            R2 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
 
 
        Run subquery 1 (at nesting level 1). 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #Reglement_DDRU 
        USING I/O Size 2 Kbytes FOR DATA pages. 
    STEP 1 
 
 
NESTING LEVEL 1 SUBQUERIES FOR STATEMENT 26. 
 
 
  QUERY PLAN FOR SUBQUERY 1 (at nesting level 1 AND at line 160). 
 
 
    Correlated Subquery. 
    Subquery under an EXISTS predicate. 
 
 
 
 
    STEP 1 
        The type of query IS SELECT. 
        Evaluate Ungrouped ANY AGGREGATE. 
 
 
        FROM TABLE 
            #Reglement_DDRU 
            R1 
        EXISTS TABLE : nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
 
 
  END OF QUERY PLAN FOR SUBQUERY 1. 
 
 
 
 
 
 
QUERY PLAN FOR STATEMENT 27 (at line 164). 
 
 
 
 
    STEP 1 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
        Worktable1 created FOR REFORMATTING. 
 
 
        FROM TABLE 
            #Reglement_DDRU 
            R1 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            Worktable1. 
 
 
    STEP 2 
        The type of query IS UPDATE. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            #Reglement_DDRU 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
 
 
        FROM TABLE 
            #3Reglement_DDRU 
            R2 
        EXISTS TABLE : nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
 
 
        FROM TABLE 
            Worktable1. 
        EXISTS TABLE : nested iteration. 
        USING Clustered INDEX. 
        Forward scan. 
        Positioning BY KEY. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #Reglement_DDRU 
        USING I/O Size 2 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 28 (at line 171). 
 
 
 
 
    STEP 1 
        The type of query IS INSERT. 
        The UPDATE mode IS deferred. 
 
 
        FROM TABLE 
            #3Reglement_DDRU 
            R2 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
 
 
        Run subquery 1 (at nesting level 1). 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #Reglement_DDRU 
        USING I/O Size 2 Kbytes FOR DATA pages. 
    STEP 1 
 
 
NESTING LEVEL 1 SUBQUERIES FOR STATEMENT 28. 
 
 
  QUERY PLAN FOR SUBQUERY 1 (at nesting level 1 AND at line 174). 
 
 
    Correlated Subquery. 
    Subquery under an EXISTS predicate. 
 
 
 
 
    STEP 1 
        The type of query IS SELECT. 
        Evaluate Ungrouped ANY AGGREGATE. 
 
 
        FROM TABLE 
            #Reglement_DDRU 
            R1 
        EXISTS TABLE : nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
 
 
  END OF QUERY PLAN FOR SUBQUERY 1. 
 
 
 
 
 
 
QUERY PLAN FOR STATEMENT 29 (at line 178). 
 
 
 
 
    STEP 1 
        The type of query IS CREATE TABLE. 
 
 
    STEP 2 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            #Reglement_DDRU 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #Reglement 
        USING I/O Size 2 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 30 (at line 187). 
 
 
 
 
    STEP 1 
        The type of query IS SELECT. 
 
 
(1 row affected)
(1 row affected)
(1122 rows affected)
(7 rows affected)
(1200 rows affected)
(115049 rows affected)
(3958 rows affected)
(84 rows affected)
(17 rows affected)
(5 rows affected)
(4089 rows affected)
(82 rows affected)
Server Message:  Number  1562, Severity  10
Server 'NABD', Line 149:
The sort FOR Worktable1 IS done IN Serial   
(3 rows affected)
(2 rows affected)
Server Message:  Number  1562, Severity  10
Server 'NABD', Line 164:
The sort FOR Worktable1 IS done IN Serial   
(57 rows affected)
(25 rows affected)
(111 rows affected)
(1 row affected)
(1 row affected)

je met le deuxième dans un autre poste car il y a trop de caractères


désolé si c'est très long mais j'avoue que je n'arrive pas trop à comprendre ces fichiers et surtout à voir comment optimiser en modifiant des paramètres systèmes.

J'ai activé le deuxième processeur en mettant 2 dans nombre de processeur et sa n'a pas non plus changé grand chose...

Sinon il reste toujour ma question sur le fait que se sont 2 bi-processeurs donc est ce que je doit mettre le nombre de processeurs à 4 ou 2 ???

Merci encore pour votre aide

[kei-kun]

nouveau serveur :

Code :

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QUERY PLAN FOR STATEMENT 1 (at line 1). 
 
 
 
 
    STEP 1 
        The type of query IS CREATE TABLE. 
 
 
 
 
QUERY PLAN FOR STATEMENT 2 (at line 7). 
 
 
 
 
    STEP 1 
        The type of query IS CREATE TABLE. 
 
 
 
 
QUERY PLAN FOR STATEMENT 3 (at line 13). 
 
 
 
 
    STEP 1 
        The type of query IS CREATE TABLE. 
 
 
 
 
QUERY PLAN FOR STATEMENT 4 (at line 19). 
 
 
 
 
    STEP 1 
        The type of query IS CREATE TABLE. 
 
 
 
 
QUERY PLAN FOR STATEMENT 5 (at line 20). 
 
 
 
 
    STEP 1 
        The type of query IS CREATE TABLE. 
 
 
 
 
QUERY PLAN FOR STATEMENT 6 (at line 21). 
 
 
 
 
    STEP 1 
        The type of query IS CREATE TABLE. 
 
 
 
 
QUERY PLAN FOR STATEMENT 7 (at line 22). 
 
 
 
 
    STEP 1 
        The type of query IS CREATE TABLE. 
 
 
 
 
QUERY PLAN FOR STATEMENT 8 (at line 23). 
 
 
 
 
    STEP 1 
        The type of query IS CREATE TABLE. 
 
 
 
 
QUERY PLAN FOR STATEMENT 9 (at line 24). 
 
 
 
 
    STEP 1 
        The type of query IS CREATE TABLE. 
 
 
 
 
QUERY PLAN FOR STATEMENT 10 (at line 25). 
 
 
 
 
    STEP 1 
        The type of query IS CREATE TABLE. 
 
 
 
 
QUERY PLAN FOR STATEMENT 11 (at line 30). 
 
 
 
 
    STEP 1 
        The type of query IS DECLARE. 
 
 
 
 
QUERY PLAN FOR STATEMENT 12 (at line 33). 
 
 
 
 
    STEP 1 
        The type of query IS SELECT. 
 
 
 
 
QUERY PLAN FOR STATEMENT 13 (at line 34). 
 
 
 
 
    STEP 1 
        The type of query IS SELECT. 
 
 
 
 
QUERY PLAN FOR STATEMENT 14 (at line 36). 
 
 
 
 
    STEP 1 
        The type of query IS SELECT. 
 
 
 
 
QUERY PLAN FOR STATEMENT 15 (at line 39). 
 
 
 
 
    STEP 1 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            OrdrePaiement 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #OrdrePaiement1 
        USING I/O Size 2 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 16 (at line 51). 
 
 
 
 
    STEP 1 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            OrdrePaiement 
        Nested iteration. 
        INDEX : IX_OrdrePaiement_02 
        Forward scan. 
        Positioning BY KEY. 
        KEYS are: 
            AnneeGestionOrdrePaiement  ASC 
        USING I/O Size 16 Kbytes FOR INDEX leaf pages. 
        WITH MRU Buffer Replacement Strategy FOR INDEX leaf pages. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #DDRUOrdrePaiement2 
        USING I/O Size 2 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 17 (at line 63). 
 
 
 
 
    STEP 1 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            OrdrePaiement 
        Nested iteration. 
        INDEX : IX_OrdrePaiement_02 
        Forward scan. 
        Positioning BY KEY. 
        KEYS are: 
            AnneeGestionOrdrePaiement  ASC 
        USING I/O Size 16 Kbytes FOR INDEX leaf pages. 
        WITH MRU Buffer Replacement Strategy FOR INDEX leaf pages. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #DDRU2OrdrePaiement3 
        USING I/O Size 2 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 18 (at line 75). 
 
 
 
 
    STEP 1 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            Engagement 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #Engagement 
        USING I/O Size 2 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 19 (at line 84). 
 
 
 
 
    STEP 1 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            #OrdrePaiement1 
            O1 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
 
 
        FROM TABLE 
            LignePaiement 
            LP1 
        Nested iteration. 
        INDEX : FK_LignePaiement_02 
        Forward scan. 
        Positioning BY KEY. 
        KEYS are: 
            IdOrdrePaiement  ASC 
        USING I/O Size 2 Kbytes FOR INDEX leaf pages. 
        WITH LRU Buffer Replacement Strategy FOR INDEX leaf pages. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #LP1 
        USING I/O Size 2 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 20 (at line 93). 
 
 
 
 
    STEP 1 
        The type of query IS SELECT (INTO Worktable1). 
        GROUP BY 
        Evaluate Grouped SUM OR AVERAGE AGGREGATE. 
 
 
        FROM TABLE 
            #LP1 
            LP1 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
 
 
        FROM TABLE 
            #Engagement 
            E1 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            Worktable1. 
 
 
    STEP 2 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            Worktable1. 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #Reglement_DDRU 
        USING I/O Size 2 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 21 (at line 107). 
 
 
 
 
    STEP 1 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            #DDRUOrdrePaiement2 
            O1 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
 
 
        FROM TABLE 
            LignePaiement 
            LP1 
        Nested iteration. 
        INDEX : FK_LignePaiement_02 
        Forward scan. 
        Positioning BY KEY. 
        KEYS are: 
            IdOrdrePaiement  ASC 
        USING I/O Size 2 Kbytes FOR INDEX leaf pages. 
        WITH LRU Buffer Replacement Strategy FOR INDEX leaf pages. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #LP2 
        USING I/O Size 2 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 22 (at line 115). 
 
 
 
 
    STEP 1 
        The type of query IS SELECT (INTO Worktable1). 
        GROUP BY 
        Evaluate Grouped SUM OR AVERAGE AGGREGATE. 
 
 
        FROM TABLE 
            #LP2 
            LP1 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
 
 
        FROM TABLE 
            #Engagement 
            E1 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            Worktable1. 
 
 
    STEP 2 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            Worktable1. 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #2Reglement_DDRU 
        USING I/O Size 2 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 23 (at line 129). 
 
 
 
 
    STEP 1 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            #DDRU2OrdrePaiement3 
            O1 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
 
 
        FROM TABLE 
            LignePaiement 
            LP1 
        Nested iteration. 
        INDEX : FK_LignePaiement_02 
        Forward scan. 
        Positioning BY KEY. 
        KEYS are: 
            IdOrdrePaiement  ASC 
        USING I/O Size 2 Kbytes FOR INDEX leaf pages. 
        WITH LRU Buffer Replacement Strategy FOR INDEX leaf pages. 
        USING I/O Size 2 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #LP3 
        USING I/O Size 2 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 24 (at line 137). 
 
 
 
 
    STEP 1 
        The type of query IS SELECT (INTO Worktable1). 
        GROUP BY 
        Evaluate Grouped SUM OR AVERAGE AGGREGATE. 
 
 
        FROM TABLE 
            #LP3 
            LP1 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
 
 
        FROM TABLE 
            #Engagement 
            E1 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            Worktable1. 
 
 
    STEP 2 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            Worktable1. 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #3Reglement_DDRU 
        USING I/O Size 2 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 25 (at line 153). 
 
 
 
 
    STEP 1 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
        Worktable1 created FOR REFORMATTING. 
 
 
        FROM TABLE 
            #Reglement_DDRU 
            R1 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            Worktable1. 
 
 
    STEP 2 
        The type of query IS UPDATE. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            #Reglement_DDRU 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
 
 
        FROM TABLE 
            #2Reglement_DDRU 
            R2 
        EXISTS TABLE : nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
 
 
        FROM TABLE 
            Worktable1. 
        EXISTS TABLE : nested iteration. 
        USING Clustered INDEX. 
        Forward scan. 
        Positioning BY KEY. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #Reglement_DDRU 
        USING I/O Size 2 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 26 (at line 161). 
 
 
 
 
    STEP 1 
        The type of query IS INSERT. 
        The UPDATE mode IS deferred. 
 
 
        FROM TABLE 
            #2Reglement_DDRU 
            R2 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
 
 
        Run subquery 1 (at nesting level 1). 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #Reglement_DDRU 
        USING I/O Size 2 Kbytes FOR DATA pages. 
    STEP 1 
 
 
NESTING LEVEL 1 SUBQUERIES FOR STATEMENT 26. 
 
 
  QUERY PLAN FOR SUBQUERY 1 (at nesting level 1 AND at line 164). 
 
 
    Correlated Subquery. 
    Subquery under an EXISTS predicate. 
 
 
 
 
    STEP 1 
        The type of query IS SELECT. 
        Evaluate Ungrouped ANY AGGREGATE. 
 
 
        FROM TABLE 
            #Reglement_DDRU 
            R1 
        EXISTS TABLE : nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
 
 
  END OF QUERY PLAN FOR SUBQUERY 1. 
 
 
 
 
 
 
QUERY PLAN FOR STATEMENT 27 (at line 168). 
 
 
 
 
    STEP 1 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
        Worktable1 created FOR REFORMATTING. 
 
 
        FROM TABLE 
            #Reglement_DDRU 
            R1 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            Worktable1. 
 
 
    STEP 2 
        The type of query IS UPDATE. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            #Reglement_DDRU 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
 
 
        FROM TABLE 
            #3Reglement_DDRU 
            R2 
        EXISTS TABLE : nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
 
 
        FROM TABLE 
            Worktable1. 
        EXISTS TABLE : nested iteration. 
        USING Clustered INDEX. 
        Forward scan. 
        Positioning BY KEY. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH LRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #Reglement_DDRU 
        USING I/O Size 2 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 28 (at line 175). 
 
 
 
 
    STEP 1 
        The type of query IS INSERT. 
        The UPDATE mode IS deferred. 
 
 
        FROM TABLE 
            #3Reglement_DDRU 
            R2 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
 
 
        Run subquery 1 (at nesting level 1). 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #Reglement_DDRU 
        USING I/O Size 2 Kbytes FOR DATA pages. 
    STEP 1 
 
 
NESTING LEVEL 1 SUBQUERIES FOR STATEMENT 28. 
 
 
  QUERY PLAN FOR SUBQUERY 1 (at nesting level 1 AND at line 178). 
 
 
    Correlated Subquery. 
    Subquery under an EXISTS predicate. 
 
 
 
 
    STEP 1 
        The type of query IS SELECT. 
        Evaluate Ungrouped ANY AGGREGATE. 
 
 
        FROM TABLE 
            #Reglement_DDRU 
            R1 
        EXISTS TABLE : nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
 
 
  END OF QUERY PLAN FOR SUBQUERY 1. 
 
 
 
 
 
 
QUERY PLAN FOR STATEMENT 29 (at line 182). 
 
 
 
 
    STEP 1 
        The type of query IS CREATE TABLE. 
 
 
    STEP 2 
        The type of query IS INSERT. 
        The UPDATE mode IS direct. 
 
 
        FROM TABLE 
            #Reglement_DDRU 
        Nested iteration. 
        TABLE Scan. 
        Forward scan. 
        Positioning at start of TABLE. 
        USING I/O Size 16 Kbytes FOR DATA pages. 
        WITH MRU Buffer Replacement Strategy FOR DATA pages. 
        TO TABLE 
            #Reglement 
        USING I/O Size 16 Kbytes FOR DATA pages. 
 
 
 
 
QUERY PLAN FOR STATEMENT 30 (at line 191). 
 
 
 
 
    STEP 1 
        The type of query IS SELECT. 
 
 
(1 row affected)
(1 row affected)
(1181 rows affected)
(16 rows affected)
(1290 rows affected)
(115135 rows affected)
(4288 rows affected)
(76 rows affected)
(29 rows affected)
(8 rows affected)
(4398 rows affected)
(86 rows affected)
(4 rows affected)
Server Message:  Number  1562, Severity  10
Server 'NABD', Line 153:
The sort FOR Worktable1 IS done IN Serial   
(4 rows affected)
Server Message:  Number  1562, Severity  10
Server 'NABD', Line 168:
The sort FOR Worktable1 IS done IN Serial   
(55 rows affected)
(31 rows affected)
(111 rows affected)
(1 row affected)
(1 row affected)

[jeeps64]

Bonjour

ce que je constate, c'est que sur ton nouveau serveur, l'optimiseur utilise le cache de 16K alors que l'ancien non
Pour cela, peux tu nous envoyer un "sp_cacheconfig"

Il faudrait aussi nous envoyer un "set statistics io, time on"

Est ce que les données des tables sont les mêmes ? J'imagine que oui mais on sait jamais (ex : OrdrePaiement)




jeeps64