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Patch: Synchronous replication via SR

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CommitFest 2010-07
Topic Replication
Patch Status Returned with Feedback
Author Zoltán Böszörményi
Reviewers Yeb Havinga
Committer Nobody
Close Date 2010-07-26
Patch by zboszor on 2010-04-29 06:56:22 AM: Initial version.
Comment by Harald Kolb on 2010-07-15 10:04:46 AM: After setting up a cluster with strict sync. replication and using pgbench to verify transaction performance, it's obvious that the current performance (about 10 TPS) is not sufficient. Can you explain the performance limitation and what is necessary to improve the situation ? Is there a plan to continue with this solution ?

Thanks, Harald.
Review by yhavinga on 2010-07-26 07:56:02 AM: Besides that the patch was a bit outdated, the bulk of the patch was handling the acknowledged XIDs on the master, which was more complex and intrusive than the way the other syncrep patch waited for standby's. The guc parameters however were more clear to me than the other patch.

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