[ https://issues.apache.org/jira/browse/CASSANDRA-5537?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dave Brosius reassigned CASSANDRA-5537: --------------------------------------- Assignee: Dave Brosius > Reduce Empty Map allocations in Directory.SSTableLister > ------------------------------------------------------- > > Key: CASSANDRA-5537 > URL: https://issues.apache.org/jira/browse/CASSANDRA-5537 > Project: Cassandra > Issue Type: Improvement > Components: Core > Affects Versions: 2.0 > Reporter: Dave Brosius > Assignee: Dave Brosius > Priority: Trivial > Fix For: 2.0 > > Attachments: 5537.txt > > > SSTableLister allocates HashMaps consistently that are very often not used. > See output: http://pastebin.com/Ky4hUn5X > Format is > Type Date SourceLine CollectionSize NumBuckets NumBucketsUsed > The snapshot is taken after the size of the collection hasn't changed for 5 > seconds. > Postpone creation of hashmap until you need it. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira