[jira] [Updated] (CASSANDRA-9739) Migrate counter-cache to be fully off-heap
[ https://issues.apache.org/jira/browse/CASSANDRA-9739?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Robert Stupp updated CASSANDRA-9739: Resolution: Won't Fix Status: Resolved (was: Open) > Migrate counter-cache to be fully off-heap > -- > > Key: CASSANDRA-9739 > URL: https://issues.apache.org/jira/browse/CASSANDRA-9739 > Project: Cassandra > Issue Type: Sub-task > Components: Legacy/Core >Reporter: Robert Stupp >Assignee: Robert Stupp >Priority: Normal > Fix For: 4.x > > > Counter cache still uses a concurrent map on-heap. This could go to off-heap > and feels doable now after CASSANDRA-8099. > Evaluation should be done in advance based on a POC to prove that pure > off-heap counter cache buys a performance and/or gc-pressure improvement. > In theory, elimination of on-heap management of the map should buy us some > benefit. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org
[jira] [Updated] (CASSANDRA-9739) Migrate counter-cache to be fully off-heap
[ https://issues.apache.org/jira/browse/CASSANDRA-9739?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] C. Scott Andreas updated CASSANDRA-9739: Component/s: Core > Migrate counter-cache to be fully off-heap > -- > > Key: CASSANDRA-9739 > URL: https://issues.apache.org/jira/browse/CASSANDRA-9739 > Project: Cassandra > Issue Type: Sub-task > Components: Core >Reporter: Robert Stupp >Assignee: Robert Stupp >Priority: Major > Fix For: 4.x > > > Counter cache still uses a concurrent map on-heap. This could go to off-heap > and feels doable now after CASSANDRA-8099. > Evaluation should be done in advance based on a POC to prove that pure > off-heap counter cache buys a performance and/or gc-pressure improvement. > In theory, elimination of on-heap management of the map should buy us some > benefit. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org
