Repository: hadoop Updated Branches: refs/heads/branch-2 ea402c364 -> 44b3c6ffa
YARN-6738. LevelDBCacheTimelineStore should reuse ObjectMapper instances. Contributed by Zoltan Haindrich (cherry picked from commit 63ce1593c5b78eb172773e7498d9c321debe81e8) Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/44b3c6ff Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/44b3c6ff Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/44b3c6ff Branch: refs/heads/branch-2 Commit: 44b3c6ffaa9278d66c531f2c23fead0403cb88f3 Parents: ea402c3 Author: Jason Lowe <[email protected]> Authored: Tue Jun 27 17:12:42 2017 -0500 Committer: Jason Lowe <[email protected]> Committed: Tue Jun 27 17:13:49 2017 -0500 ---------------------------------------------------------------------- .../hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.java | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/hadoop/blob/44b3c6ff/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timeline-pluginstorage/src/main/java/org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.java ---------------------------------------------------------------------- diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timeline-pluginstorage/src/main/java/org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timeline-pluginstorage/src/main/java/org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.java index ccf2d94..7379dd6 100644 --- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timeline-pluginstorage/src/main/java/org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.java +++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timeline-pluginstorage/src/main/java/org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.java @@ -286,6 +286,7 @@ public class LevelDBCacheTimelineStore extends KeyValueBasedTimelineStore { } }; } + static final ObjectMapper OBJECT_MAPPER = new ObjectMapper(); @SuppressWarnings("unchecked") private V getEntityForKey(byte[] key) throws IOException { @@ -293,8 +294,7 @@ public class LevelDBCacheTimelineStore extends KeyValueBasedTimelineStore { if (resultRaw == null) { return null; } - ObjectMapper entityMapper = new ObjectMapper(); - return (V) entityMapper.readValue(resultRaw, TimelineEntity.class); + return (V) OBJECT_MAPPER.readValue(resultRaw, TimelineEntity.class); } private byte[] getStartTimeKey(K entityId) { --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
