Vamsee Yarlagadda created SENTRY-1796: -----------------------------------------
Summary: Add better debug logging for retrieving the delta changes Key: SENTRY-1796 URL: https://issues.apache.org/jira/browse/SENTRY-1796 Project: Sentry Issue Type: Sub-task Components: Sentry Affects Versions: sentry-ha-redesign Reporter: Vamsee Yarlagadda Assignee: Na Li Fix For: sentry-ha-redesign Sentry server returns full permission snapshot almost every 10 seconds. The desired behavior is to reduce the chance of getting full snapshot significantly. >From debug message, we can see the returned change list is empty. That causes Sentry to send back full snapshot instead of delta changes. It has performance penalty because it takes much longer to get a full snapshot than getting the delta changes. {code} 2017-06-05 14:00:21,030 INFO org.apache.sentry.hdfs.DBUpdateForwarder: #### GetAllUpdatesFrom return full image with isDeltaAvailable:true, isDeltaEmpty:true, reqSeqNum:1076942, curSeqNum:1076948 ; type: PermImageRetriever 2017-06-05 14:00:31,905 INFO org.apache.sentry.hdfs.DBUpdateForwarder: #### GetAllUpdatesFrom return full image with isDeltaAvailable:true, isDeltaEmpty:true, reqSeqNum:1076949, curSeqNum:1077064 ; type: PermImageRetriever 2017-06-05 14:01:00,041 INFO org.apache.sentry.hdfs.DBUpdateForwarder: #### GetAllUpdatesFrom return full image with isDeltaAvailable:true, isDeltaEmpty:true, reqSeqNum:1077354, curSeqNum:1077361 ; type: PermImageRetriever 2017-06-05 14:01:25,735 INFO org.apache.sentry.hdfs.DBUpdateForwarder: #### GetAllUpdatesFrom return full image with isDeltaAvailable:true, isDeltaEmpty:true, reqSeqNum:1077630, curSeqNum:1077636 ; type: PermImageRetriever 2017-06-05 14:01:42,197 INFO org.apache.sentry.hdfs.DBUpdateForwarder: #### GetAllUpdatesFrom return full image with isDeltaAvailable:true, isDeltaEmpty:true, reqSeqNum:1077820, curSeqNum:1077826 ; type: PermImageRetriever 2017-06-05 14:01:53,491 INFO org.apache.sentry.hdfs.DBUpdateForwarder: #### GetAllUpdatesFrom return full image with isDeltaAvailable:true, isDeltaEmpty:true, reqSeqNum:1077827, curSeqNum:1077962 ; type: PermImageRetriever 2017-06-05 14:02:09,472 INFO org.apache.sentry.hdfs.DBUpdateForwarder: #### GetAllUpdatesFrom return full image with isDeltaAvailable:true, isDeltaEmpty:true, reqSeqNum:1078147, curSeqNum:1078155 ; type: PermImageRetriever 2017-06-05 14:02:21,527 INFO org.apache.sentry.hdfs.DBUpdateForwarder: #### GetAllUpdatesFrom return full image with isDeltaAvailable:true, isDeltaEmpty:true, reqSeqNum:1078300, curSeqNum:1078305 ; type: PermImageRetriever 2017-06-05 14:02:35,761 INFO org.apache.sentry.hdfs.DBUpdateForwarder: #### GetAllUpdatesFrom return full image with isDeltaAvailable:true, isDeltaEmpty:true, reqSeqNum:1078483, curSeqNum:1078489 ; type: PermImageRetriever 2017-06-05 14:02:50,079 INFO org.apache.sentry.hdfs.DBUpdateForwarder: #### GetAllUpdatesFrom return full image with isDeltaAvailable:true, isDeltaEmpty:true, reqSeqNum:1078683, curSeqNum:1078686 ; type: PermImageRetriever 2017-06-05 14:03:09,889 INFO org.apache.sentry.hdfs.DBUpdateForwarder: #### GetAllUpdatesFrom return full image with isDeltaAvailable:true, isDeltaEmpty:true, reqSeqNum:1078958, curSeqNum:1078961 ; type: PermImageRetriever 2017-06-05 14:03:21,641 INFO org.apache.sentry.hdfs.DBUpdateForwarder: #### GetAllUpdatesFrom return full image with isDeltaAvailable:true, isDeltaEmpty:true, reqSeqNum:1079144, curSeqNum:1079150 ; type: PermImageRetriever 2017-06-05 14:03:32,600 INFO org.apache.sentry.hdfs.DBUpdateForwarder: #### GetAllUpdatesFrom return full image with isDeltaAvailable:true, isDeltaEmpty:true, reqSeqNum:1079324, curSeqNum:1079331 ; type: PermImageRetriever 2017-06-05 14:03:46,223 INFO org.apache.sentry.hdfs.DBUpdateForwarder: #### GetAllUpdatesFrom return full image with isDeltaAvailable:true, isDeltaEmpty:true, reqSeqNum:1079537, curSeqNum:1079546 ; type: PermImageRetriever 2017-06-05 14:03:59,870 INFO org.apache.sentry.hdfs.DBUpdateForwarder: #### GetAllUpdatesFrom return full image with isDeltaAvailable:true, isDeltaEmpty:true, reqSeqNum:1079762, curSeqNum:1079769 ; type: PermImageRetriever {code} -- This message was sent by Atlassian JIRA (v6.3.15#6346)