Insert performance very bad with RAIDb-1
----------------------------------------

         Key: SEQUOIA-1140
         URL: https://forge.continuent.org/jira/browse/SEQUOIA-1140
     Project: Sequoia
        Type: Improvement

    Versions: sequoia 2.10.10    
 Environment: 2 nodes - Linux
2 controlers Sequoia 2.10.10
2 BDD mysql on the same node that Sequoia
2 ReceveryLog mysql on the same node that Sequoia
Config RAIDb-1
Appia default config
Network with Go full duplex router between controlers

    Reporter: Philippe APVY
    Priority: Minor


Hello

With this config, the insert performance are very bad. On the whole an insert 
take 3 times that an insert directly in base.

Table in BDD: create table benchSequoia01 (col1 int, col2 int, col3 varchar(16))
Requet insert: insert into benchSequoia01 values (val1,val2,'AAA')

1000 insert give this time on different configuration:
     1 BDD - 1 controler - SingleDB - NO recoverylog
          Boucle d'insert (1000)                                             
[813 ms]

     1 BDD - 1 controler - SingleDB - RecoveryLog
          Boucle d'insert (1000)                                             
[800 ms]

     1 BDD - 1 controler - RAIDb-1 - RecoveryLog - Distribution no enable in 
xml file
          Boucle d'insert (1000)                                             
[1122 ms]

     1 BDD - 1 controler - RAIDb-1 - Recovery - Distribution enable in xml file
          Boucle d'insert (1000)                                             
[1644 ms]

     2 BDD - 2 controlers - RAIDb-1 - 2 RecoveryLog - Distribution enable in 
xml file
          Boucle d'insert (1000)                                             
[2746ms]

The network traffic is very important just for a small insert. 4Mo in point 
between les 2 controllers.

Please excuse me for my very bad Inglish.

Thanks for your help

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