[ https://issues.apache.org/jira/browse/HIVE-22753?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rajesh Balamohan updated HIVE-22753: ------------------------------------ Attachment: HIVE-22753.4.patch > Fix gradual mem leak: Operationlog related appenders should be cleared up on > errors > ------------------------------------------------------------------------------------ > > Key: HIVE-22753 > URL: https://issues.apache.org/jira/browse/HIVE-22753 > Project: Hive > Issue Type: Improvement > Components: HiveServer2 > Reporter: Rajesh Balamohan > Assignee: Rajesh Balamohan > Priority: Minor > Attachments: HIVE-22753.1.patch, HIVE-22753.2.patch, > HIVE-22753.3.patch, HIVE-22753.4.patch, image-2020-01-21-11-14-37-911.png, > image-2020-01-21-11-17-59-279.png, image-2020-01-21-11-18-37-294.png > > > In case of exception in SQLOperation, operational log does not get cleared > up. This causes gradual build up of HushableRandomAccessFileAppender causing > HS2 to OOM after some time. > !image-2020-01-21-11-14-37-911.png|width=431,height=267! > > Allocation tree > !image-2020-01-21-11-18-37-294.png|width=425,height=178! > > Prod instance mem > !image-2020-01-21-11-17-59-279.png|width=698,height=209! > > Each HushableRandomAccessFileAppender holds internal ref to > RandomAccessFileAppender which holds a 256 KB bytebuffer, causing the mem > leak. > Related ticket: HIVE-18820 -- This message was sent by Atlassian Jira (v8.3.4#803005)