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https://issues.apache.org/jira/browse/SOLR-7187?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mike Drob updated SOLR-7187:
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Attachment: log.out.gz
It was not originally applied, but I added it and see the same behavior. Also
attaching DEBUG logs from the timeframe, in case they will help anything.
> SolrCloud does not fully clean collection after delete
> ------------------------------------------------------
>
> Key: SOLR-7187
> URL: https://issues.apache.org/jira/browse/SOLR-7187
> Project: Solr
> Issue Type: Bug
> Components: SolrCloud
> Affects Versions: 4.10.3
> Reporter: Mike Drob
> Attachments: log.out.gz
>
>
> When I attempt to delete a collection using
> {{/admin/collections?action=DELETE&name=collection1}} if I go into HDFS I
> will still see remnants from the collection. No files, but empty directories
> stick around.
> {noformat}
> [root@solr1 ~]# sudo -u hdfs hdfs dfs -ls -R /solr/collection1
> drwxr-xr-x - solr solr 0 2015-03-03 15:42
> /solr/collection1/core_node1
> drwxr-xr-x - solr solr 0 2015-03-03 15:42
> /solr/collection1/core_node2
> drwxr-xr-x - solr solr 0 2015-03-03 15:42
> /solr/collection1/core_node3
> drwxr-xr-x - solr solr 0 2015-03-03 15:42
> /solr/collection1/core_node4
> drwxr-xr-x - solr solr 0 2015-03-03 15:42
> /solr/collection1/core_node5
> drwxr-xr-x - solr solr 0 2015-03-03 15:42
> /solr/collection1/core_node6
> {noformat}
> (Edit: I had the wrong log portion here originally)
> In the logs, after deleting all the data, I see:
> {noformat}
> 2015-03-03 16:15:14,762 INFO org.apache.solr.servlet.SolrDispatchFilter:
> [admin] webapp=null path=/admin/cores
> params={deleteInstanceDir=true&action=UNLOAD&core=collection1_shard5_replica1&wt=javabin&qt=/admin/cores&deleteDataDir=true&version=2}
> status=0 QTime=362
> 2015-03-03 16:15:14,787 INFO org.apache.solr.common.cloud.ZkStateReader: A
> cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged
> path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
> 2015-03-03 16:15:14,854 INFO org.apache.solr.cloud.DistributedQueue:
> LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type
> NodeChildrenChanged
> 2015-03-03 16:15:14,879 INFO org.apache.solr.cloud.DistributedQueue:
> LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type
> NodeChildrenChanged
> 2015-03-03 16:15:14,896 INFO org.apache.solr.cloud.DistributedQueue:
> LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type
> NodeChildrenChanged
> 2015-03-03 16:15:14,920 INFO org.apache.solr.cloud.DistributedQueue:
> LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type
> NodeChildrenChanged
> 2015-03-03 16:15:15,151 INFO org.apache.solr.cloud.DistributedQueue:
> LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type
> NodeChildrenChanged
> 2015-03-03 16:15:15,170 INFO org.apache.solr.cloud.DistributedQueue:
> LatchChildWatcher fired on path: /overseer/queue state: SyncConnected type
> NodeChildrenChanged
> 2015-03-03 16:15:15,279 INFO org.apache.solr.common.cloud.ZkStateReader: A
> cluster state change: WatchedEvent state:SyncConnected type:NodeDataChanged
> path:/clusterstate.json, has occurred - updating... (live nodes size: 1)
> 2015-03-03 16:15:15,546 INFO org.apache.solr.cloud.DistributedQueue:
> LatchChildWatcher fired on path:
> /overseer/collection-queue-work/qnr-0000000016 state: SyncConnected type
> NodeDataChanged
> 2015-03-03 16:15:15,562 INFO org.apache.solr.cloud.DistributedQueue:
> LatchChildWatcher fired on path: /overseer/collection-queue-work state:
> SyncConnected type NodeChildrenChanged
> 2015-03-03 16:15:15,562 INFO
> org.apache.solr.cloud.OverseerCollectionProcessor: Overseer Collection
> Processor: Message id:/overseer/collection-queue-work/qn-0000000016 complete,
> response:{success={solr1.example.com:8983_solr={responseHeader={status=0,QTime=207}},solr1.example.com:8983_solr={responseHeader={status=0,QTime=243}},solr1.example.com:8983_solr={responseHeader={status=0,QTime=243}},solr1.example.com:8983_solr={responseHeader={status=0,QTime=342}},solr1.example.com:8983_solr={responseHeader={status=0,QTime=346}},solr1.example.com:8983_solr={responseHeader={status=0,QTime=362}}}}
> {noformat}
> This might be related to SOLR-5023, but I'm not sure.
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