[jira] [Commented] (HBASE-6465) Load balancer repeatedly close and open region in the same regionserver.
[ https://issues.apache.org/jira/browse/HBASE-6465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13423706#comment-13423706 ] shen guanpu commented on HBASE-6465: ok thanks i am not quit catch the rule,sorry! > Load balancer repeatedly close and open region in the same regionserver. > > > Key: HBASE-6465 > URL: https://issues.apache.org/jira/browse/HBASE-6465 > Project: HBase > Issue Type: Bug > Components: master, regionserver >Affects Versions: 0.94.0 >Reporter: shen guanpu > > Through the master and regionserver log,I find load balancer repeatedly > close and open region in the same regionserver(period in > hbase.balancer.period ). > Does this is a bug in load balancer and how can I dig into or avoid this? > the hbase and hadoop version is > HBase Version0.94.0, r1332822Hadoop Version0.20.2-cdh3u1, > rbdafb1dbffd0d5f2fbc6ee022e1c8df6500fd638 > the following is a detail log about the same region > trackurl_status_list,zO6u4o8,1342291884831.93caf5147d40f5dd4625e160e1b7e956, > and it repeats again and again.: > 2012-07-16 00:12:49,843 INFO org.apache.hadoop.hbase.master.HMaster: balance > hri=trackurl_status_list,zO6u4o8,1342291884831.93caf5147d40f5dd4625e160e1b7e956., > src=192.168.1.2,60020,1342017399608, dest=192.168.1.2,60020,1342002082592 > 2012-07-16 00:12:49,843 DEBUG > org.apache.hadoop.hbase.master.AssignmentManager: Starting unassignment of > region > trackurl_status_list,zO6u4o8,1342291884831.93caf5147d40f5dd4625e160e1b7e956. > (offlining) > 2012-07-16 00:12:49,843 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: > master:6-0x4384d0a47f40068 Creating unassigned node for > 93caf5147d40f5dd4625e160e1b7e956 in a CLOSING state > 2012-07-16 00:12:49,845 DEBUG > org.apache.hadoop.hbase.master.AssignmentManager: Sent CLOSE to > 192.168.1.2,60020,1342017399608 for region > trackurl_status_list,zO6u4o8,1342291884831.93caf5147d40f5dd4625e160e1b7e956. > 2012-07-16 00:12:50,555 DEBUG > org.apache.hadoop.hbase.master.AssignmentManager: Handling > transition=RS_ZK_REGION_CLOSED, server=192.168.1.2,60020,1342017399608, > region=93caf5147d40f5dd4625e160e1b7e956 > 2012-07-16 00:12:50,555 DEBUG > org.apache.hadoop.hbase.master.handler.ClosedRegionHandler: Handling CLOSED > event for 93caf5147d40f5dd4625e160e1b7e956 > 2012-07-16 00:12:50,555 DEBUG > org.apache.hadoop.hbase.master.AssignmentManager: Forcing OFFLINE; > was=trackurl_status_list,zO6u4o8,1342291884831.93caf5147d40f5dd4625e160e1b7e956. > state=CLOSED, ts=1342368770556, server=192.168.1.2,60020,1342017399608 > 2012-07-16 00:12:50,555 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: > master:6-0x4384d0a47f40068 Creating (or updating) unassigned node for > 93caf5147d40f5dd4625e160e1b7e956 with OFFLINE state > 2012-07-16 00:12:50,558 DEBUG > org.apache.hadoop.hbase.master.AssignmentManager: Handling > transition=M_ZK_REGION_OFFLINE, server=10.75.18.34,6,1342017369575, > region=93caf5147d40f5dd4625e160e1b7e956 > 2012-07-16 00:12:50,558 DEBUG > org.apache.hadoop.hbase.master.AssignmentManager: Found an existing plan > for > trackurl_status_list,zO6u4o8,1342291884831.93caf5147d40f5dd4625e160e1b7e956. > destination server is 192.168.1.2,60020,1342002082592 > 2012-07-16 00:12:50,558 DEBUG > org.apache.hadoop.hbase.master.AssignmentManager: Using pre-existing plan > for region > trackurl_status_list,zO6u4o8,1342291884831.93caf5147d40f5dd4625e160e1b7e956.; > plan=hri=trackurl_status_list,zO6u4o8,1342291884831.93caf5147d40f5dd4625e160e1b7e956., > src=192.168.1.2,60020,1342017399608, dest=192.168.1.2,60020,1342002082592 > 2012-07-16 00:12:50,558 DEBUG > org.apache.hadoop.hbase.master.AssignmentManager: Assigning region > trackurl_status_list,zO6u4o8,1342291884831.93caf5147d40f5dd4625e160e1b7e956. > to 192.168.1.2,60020,1342002082592 > 2012-07-16 00:12:50,574 DEBUG > org.apache.hadoop.hbase.master.AssignmentManager: Handling > transition=RS_ZK_REGION_OPENING, server=192.168.1.2,60020,1342017399608, > region=93caf5147d40f5dd4625e160e1b7e956 > 2012-07-16 00:12:50,635 DEBUG > org.apache.hadoop.hbase.master.AssignmentManager: Handling > transition=RS_ZK_REGION_OPENING, server=192.168.1.2,60020,1342017399608, > region=93caf5147d40f5dd4625e160e1b7e956 > 2012-07-16 00:12:50,639 DEBUG > org.apache.hadoop.hbase.master.AssignmentManager: Handling > transition=RS_ZK_REGION_OPENED, server=192.168.1.2,60020,1342017399608, > region=93caf5147d40f5dd4625e160e1b7e956 > 2012-07-16 00:12:50,639 DEBUG > org.apache.hadoop.hbase.master.handler.OpenedRegionHandler: Handling OPENED > event for > trackurl_status_list,zO6u4o8,1342291884831.93caf5147d40f5dd4625e160e1b7e956. > from 192.168.1.2,60020,1342017399608; deleting unassigned node > 2012-07-16 00:12:50,640 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: > master:6-0x
[jira] [Commented] (HBASE-6465) Load balancer repeatedly close and open region in the same regionserver.
[ https://issues.apache.org/jira/browse/HBASE-6465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13423630#comment-13423630 ] Zhihong Ted Yu commented on HBASE-6465: --- This particular issue appeared on user mailing list. svarma...@gmail.com made the last post. Please continue discussion using that thread. Normally JIRA is logged when the issue has been confirmed as an HBase bug (with sub-component identified). > Load balancer repeatedly close and open region in the same regionserver. > > > Key: HBASE-6465 > URL: https://issues.apache.org/jira/browse/HBASE-6465 > Project: HBase > Issue Type: Bug > Components: master, regionserver >Affects Versions: 0.94.0 >Reporter: shen guanpu > > Through the master and regionserver log,I find load balancer repeatedly > close and open region in the same regionserver(period in > hbase.balancer.period ). > Does this is a bug in load balancer and how can I dig into or avoid this? > the hbase and hadoop version is > HBase Version0.94.0, r1332822Hadoop Version0.20.2-cdh3u1, > rbdafb1dbffd0d5f2fbc6ee022e1c8df6500fd638 > the following is a detail log about the same region > trackurl_status_list,zO6u4o8,1342291884831.93caf5147d40f5dd4625e160e1b7e956, > and it repeats again and again.: > 2012-07-16 00:12:49,843 INFO org.apache.hadoop.hbase.master.HMaster: balance > hri=trackurl_status_list,zO6u4o8,1342291884831.93caf5147d40f5dd4625e160e1b7e956., > src=192.168.1.2,60020,1342017399608, dest=192.168.1.2,60020,1342002082592 > 2012-07-16 00:12:49,843 DEBUG > org.apache.hadoop.hbase.master.AssignmentManager: Starting unassignment of > region > trackurl_status_list,zO6u4o8,1342291884831.93caf5147d40f5dd4625e160e1b7e956. > (offlining) > 2012-07-16 00:12:49,843 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: > master:6-0x4384d0a47f40068 Creating unassigned node for > 93caf5147d40f5dd4625e160e1b7e956 in a CLOSING state > 2012-07-16 00:12:49,845 DEBUG > org.apache.hadoop.hbase.master.AssignmentManager: Sent CLOSE to > 192.168.1.2,60020,1342017399608 for region > trackurl_status_list,zO6u4o8,1342291884831.93caf5147d40f5dd4625e160e1b7e956. > 2012-07-16 00:12:50,555 DEBUG > org.apache.hadoop.hbase.master.AssignmentManager: Handling > transition=RS_ZK_REGION_CLOSED, server=192.168.1.2,60020,1342017399608, > region=93caf5147d40f5dd4625e160e1b7e956 > 2012-07-16 00:12:50,555 DEBUG > org.apache.hadoop.hbase.master.handler.ClosedRegionHandler: Handling CLOSED > event for 93caf5147d40f5dd4625e160e1b7e956 > 2012-07-16 00:12:50,555 DEBUG > org.apache.hadoop.hbase.master.AssignmentManager: Forcing OFFLINE; > was=trackurl_status_list,zO6u4o8,1342291884831.93caf5147d40f5dd4625e160e1b7e956. > state=CLOSED, ts=1342368770556, server=192.168.1.2,60020,1342017399608 > 2012-07-16 00:12:50,555 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: > master:6-0x4384d0a47f40068 Creating (or updating) unassigned node for > 93caf5147d40f5dd4625e160e1b7e956 with OFFLINE state > 2012-07-16 00:12:50,558 DEBUG > org.apache.hadoop.hbase.master.AssignmentManager: Handling > transition=M_ZK_REGION_OFFLINE, server=10.75.18.34,6,1342017369575, > region=93caf5147d40f5dd4625e160e1b7e956 > 2012-07-16 00:12:50,558 DEBUG > org.apache.hadoop.hbase.master.AssignmentManager: Found an existing plan > for > trackurl_status_list,zO6u4o8,1342291884831.93caf5147d40f5dd4625e160e1b7e956. > destination server is 192.168.1.2,60020,1342002082592 > 2012-07-16 00:12:50,558 DEBUG > org.apache.hadoop.hbase.master.AssignmentManager: Using pre-existing plan > for region > trackurl_status_list,zO6u4o8,1342291884831.93caf5147d40f5dd4625e160e1b7e956.; > plan=hri=trackurl_status_list,zO6u4o8,1342291884831.93caf5147d40f5dd4625e160e1b7e956., > src=192.168.1.2,60020,1342017399608, dest=192.168.1.2,60020,1342002082592 > 2012-07-16 00:12:50,558 DEBUG > org.apache.hadoop.hbase.master.AssignmentManager: Assigning region > trackurl_status_list,zO6u4o8,1342291884831.93caf5147d40f5dd4625e160e1b7e956. > to 192.168.1.2,60020,1342002082592 > 2012-07-16 00:12:50,574 DEBUG > org.apache.hadoop.hbase.master.AssignmentManager: Handling > transition=RS_ZK_REGION_OPENING, server=192.168.1.2,60020,1342017399608, > region=93caf5147d40f5dd4625e160e1b7e956 > 2012-07-16 00:12:50,635 DEBUG > org.apache.hadoop.hbase.master.AssignmentManager: Handling > transition=RS_ZK_REGION_OPENING, server=192.168.1.2,60020,1342017399608, > region=93caf5147d40f5dd4625e160e1b7e956 > 2012-07-16 00:12:50,639 DEBUG > org.apache.hadoop.hbase.master.AssignmentManager: Handling > transition=RS_ZK_REGION_OPENED, server=192.168.1.2,60020,1342017399608, > region=93caf5147d40f5dd4625e160e1b7e956 > 2012-07-16 00:12:50,639 DEBUG > org.apache.hadoop.hbase.master.handler.OpenedRegionHandler: Handling OPENED > event for > trackurl_status_list,zO6u4