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Posted to dev@ignite.apache.org by "Dmitriy Pavlov (JIRA)" <ji...@apache.org> on 2018/02/06 17:45:00 UTC
[jira] [Created] (IGNITE-7638) Page replacement process in PDS mode
affect segment loaded pages table performance
Dmitriy Pavlov created IGNITE-7638:
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Summary: Page replacement process in PDS mode affect segment loaded pages table performance
Key: IGNITE-7638
URL: https://issues.apache.org/jira/browse/IGNITE-7638
Project: Ignite
Issue Type: Bug
Components: persistence
Reporter: Dmitriy Pavlov
Assignee: Dmitriy Pavlov
Fix For: 2.5
There is
- durable memory segment in PDS enabled data region
- page replacement started
then Ignite performance slow down occurs, JFR & Visual VM shows get&put from FullPageIdTable requires significiant time to be executed
{noformat}
Avg steps in loaded pages table, get: 9456 steps, put: 20243 steps, capacity: 20242 size: 7978]
{noformat}
Effect of influence of FullPageID table is cumulative, once it starts to grow, number of steps required grows also.
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