[
https://issues.apache.org/jira/browse/IGNITE-9784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16639476#comment-16639476
]
Alexey Goncharuk edited comment on IGNITE-9784 at 10/19/18 9:46 AM:
--------------------------------------------------------------------
The regression is caused by a more frequent checkpoint triggering caused by
IGNITE-6552. Re-check with increased WAL history size confirms that there is no
performance drop.
As a solution, we should choose default history size as 4x of checkpoint buffer
size (unless overridden by a user).
was (Author: agoncharuk):
The regression is caused by a more frequent checkpoint triggering caused by
IGNITE-6552. Re-check with increased WAL history size confirms that there is no
performance drop.
As a solution, we should choose default history size as 3x of checkpoint buffer
size (unless overridden by a user).
> Performance drop on sql yardstick benchmarks
> --------------------------------------------
>
> Key: IGNITE-9784
> URL: https://issues.apache.org/jira/browse/IGNITE-9784
> Project: Ignite
> Issue Type: Bug
> Components: persistence
> Affects Versions: 2.7
> Reporter: Ilya Suntsov
> Assignee: Alexey Goncharuk
> Priority: Blocker
> Fix For: 2.7
>
> Attachments: Screen Shot 2018-10-03 at 4.52.22 PM.png,
> background_primary_sync.png, backgroung_full_sync.png, fsync_full_sync.png,
> fsync_primary_sync.png, log_only_full_sync.png, log_only_primary_sync.png
>
>
> Please take a look at the attachment.
> Grid configuration:
> * 4 servers / 8 clients
> * java 8
> * 64 threads, 60s warmup, 180s duration
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
