[ https://issues.apache.org/jira/browse/IGNITE-7638?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dmitriy Pavlov updated IGNITE-7638: ----------------------------------- Description: 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 (~5-10% оf samples count and up to 40% CPU usage) {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. was: 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 (~5-10% оf samples) {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. > 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 > Priority: Major > 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 (~5-10% оf samples > count and up to 40% CPU usage) > {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. -- This message was sent by Atlassian JIRA (v7.6.3#76005)