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Li Lu updated YARN-4219: ------------------------ Attachment: YARN-4219-trunk.001.patch Upload a patch to add the leveldb cache storage. To organize this storage, I refactored MemoryTimelineStore, moved the abstract logic to operate on a general map of entities into a new MapTimelineStore. Both MemoryTimelineStore and LevelDbCacheTimelineStore are MapTimelineStores, communicating through the abstract logic through a TimelineStoreMapAdapter. > New levelDB cache storage for timeline v1.5 > ------------------------------------------- > > Key: YARN-4219 > URL: https://issues.apache.org/jira/browse/YARN-4219 > Project: Hadoop YARN > Issue Type: Sub-task > Reporter: Li Lu > Assignee: Li Lu > Attachments: YARN-4219-trunk.001.patch > > > We need to have an "offline" caching storage for timeline server v1.5 after > the changes in YARN-3942. The in memory timeline storage may run into OOM > issues when used as a cache storage for entity file timeline storage. We can > refactor the code and have a level db based caching storage for this use > case. -- This message was sent by Atlassian JIRA (v6.3.4#6332)