[jira] [Updated] (KUDU-636) optimization: we spend a lot of time in alloc/free
[ https://issues.apache.org/jira/browse/KUDU-636?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Grant Henke updated KUDU-636: - Labels: performance (was: ) > optimization: we spend a lot of time in alloc/free > -- > > Key: KUDU-636 > URL: https://issues.apache.org/jira/browse/KUDU-636 > Project: Kudu > Issue Type: Improvement > Components: perf >Affects Versions: Public beta >Reporter: Todd Lipcon >Priority: Major > Labels: performance > > Looking at a workload in the cluster, several of the top 10 lines of perf > report are tcmalloc-related. It seems like we don't do a good job of making > use of the per-thread free-lists, and we end up in a lot of contention on the > central free list. There are a few low-hanging fruit things we could do to > improve this for a likely perf boost. -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Updated] (KUDU-636) optimization: we spend a lot of time in alloc/free
[ https://issues.apache.org/jira/browse/KUDU-636?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Grant Henke updated KUDU-636: - Target Version/s: (was: 1.5.0) > optimization: we spend a lot of time in alloc/free > -- > > Key: KUDU-636 > URL: https://issues.apache.org/jira/browse/KUDU-636 > Project: Kudu > Issue Type: Improvement > Components: perf >Affects Versions: Public beta >Reporter: Todd Lipcon >Priority: Major > > Looking at a workload in the cluster, several of the top 10 lines of perf > report are tcmalloc-related. It seems like we don't do a good job of making > use of the per-thread free-lists, and we end up in a lot of contention on the > central free list. There are a few low-hanging fruit things we could do to > improve this for a likely perf boost. -- This message was sent by Atlassian JIRA (v7.6.3#76005)
