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From "Changyao Ye (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-7070) some of local cache files for yarn can't be deleted
Date Tue, 22 Aug 2017 07:18:00 GMT
Changyao Ye created YARN-7070:
---------------------------------

             Summary: some of local cache files for yarn can't be deleted
                 Key: YARN-7070
                 URL: https://issues.apache.org/jira/browse/YARN-7070
             Project: Hadoop YARN
          Issue Type: Bug
          Components: nodemanager
    Affects Versions: 2.8.1
         Environment: Hadoop 2.8.1
            Reporter: Changyao Ye


We have found some of cache files(in /tmp/hadoop-yarn/nm-local-dir/usercache/hdfs/appcache)
for yarn on nodemanager cannot be deleted properly. The directories are like following(blockmgr***)

=================
# ls -ltr application_1501810184023_55949
total 120
drwx--x---  2 hdfs yarn 4096 Aug 22 04:29 filecache
drwxr-s---  2 hdfs yarn 4096 Aug 22 04:56 blockmgr-881fab2c-fba4-4bb1-8dd9-5ab35a512df7
drwxr-s--- 10 hdfs yarn 4096 Aug 22 04:56 blockmgr-bf8a19f5-e9ae-4269-a0ef-b27d0f9c17e7
drwxr-s--- 11 hdfs yarn 4096 Aug 22 04:58 blockmgr-f3437e8d-9595-4898-8bda-92ebff3ada1d
drwxr-s--- 18 hdfs yarn 4096 Aug 22 05:01 blockmgr-930c0cd8-1d31-4cdb-a244-f6ad4bf74bff
drwxr-s--- 12 hdfs yarn 4096 Aug 22 05:13 blockmgr-83fc0702-ac40-4743-812a-7d488e92004e
drwxr-s---  9 hdfs yarn 4096 Aug 22 05:13 blockmgr-f6cfe045-12c3-41d6-b77e-aa5200daeb6a
drwxr-s--- 12 hdfs yarn 4096 Aug 22 05:13 blockmgr-53dcb4ea-ba5d-4b8b-859b-805b9303a149
drwxr-s--- 10 hdfs yarn 4096 Aug 22 05:13 blockmgr-0c0c4bb9-ef5e-4ca1-8d23-ce5cd58d0a75
drwxr-s---  9 hdfs yarn 4096 Aug 22 05:13 blockmgr-557d0f39-67d2-491a-9307-12fc1d724380
drwxr-s--- 10 hdfs yarn 4096 Aug 22 05:13 blockmgr-fbc87680-4df7-498e-bf6d-456a5aea4fc9
drwxr-s--- 10 hdfs yarn 4096 Aug 22 05:13 blockmgr-53ee8251-fac1-4f62-82c2-5e970f0d86ec
drwxr-s---  9 hdfs yarn 4096 Aug 22 05:14 blockmgr-5a8bc187-abcf-482d-9da5-e8c4647d4731
drwxr-s--- 10 hdfs yarn 4096 Aug 22 05:14 blockmgr-251c3a99-cd85-442a-8945-52c344c0d861
drwxr-s--- 13 hdfs yarn 4096 Aug 22 05:14 blockmgr-c352c1ad-15dc-456b-8b62-5b83b9950494
drwxr-s--- 12 hdfs yarn 4096 Aug 22 05:15 blockmgr-b4f01347-4b51-4b35-8146-2aa840084c2b
drwxr-s--- 14 hdfs yarn 4096 Aug 22 05:15 blockmgr-0095d26c-c134-48b4-82a6-e8ae02f0189c
drwxr-s--- 13 hdfs yarn 4096 Aug 22 05:15 blockmgr-28a31574-61ae-459f-be3a-8608892246d7
drwxr-s--- 16 hdfs yarn 4096 Aug 22 05:15 blockmgr-c0cd0df9-b355-4209-b6aa-b549a1fa36eb
drwxr-s--- 11 hdfs yarn 4096 Aug 22 05:15 blockmgr-a2730abb-9517-461e-bedf-d9a2dcef373f
drwxr-s--- 14 hdfs yarn 4096 Aug 22 05:15 blockmgr-91dd2e1a-6bc2-4429-8b71-2f4240987159
drwxr-s--- 12 hdfs yarn 4096 Aug 22 05:15 blockmgr-f4e3a586-8817-45ea-a197-9fdbb3d91946
drwxr-s--- 15 hdfs yarn 4096 Aug 22 05:15 blockmgr-ba2c605e-89d8-4f7c-b42c-6ed4ba6bf4ea
drwxr-s--- 16 hdfs yarn 4096 Aug 22 05:15 blockmgr-2ae72383-5f72-4002-84a7-e6335b8c2b6c
drwxr-s--- 13 hdfs yarn 4096 Aug 22 05:15 blockmgr-6c5e260f-d3c7-4af6-91c1-168c73343f2d
drwxr-s--- 16 hdfs yarn 4096 Aug 22 05:15 blockmgr-2e9923b1-281c-4a9d-8069-6c5430bd5fc3
drwxr-s--- 18 hdfs yarn 4096 Aug 22 05:15 blockmgr-cc3f1406-d8a2-4bf5-a276-8f7aed75c513
drwxr-s--- 11 hdfs yarn 4096 Aug 22 05:15 blockmgr-975bcce0-84b2-4590-880b-bf182d76e319
drwxr-s--- 11 hdfs yarn 4096 Aug 22 05:15 blockmgr-ce82cb63-5998-4227-b85e-77f1c633db43
drwxr-s--- 11 hdfs yarn 4096 Aug 22 05:15 blockmgr-592af4aa-3c89-4081-8746-29b99f2220b1
=================

We also applied patches YARN-4594, YARN-4731, but nothing changed.
YARN-4594 https://issues.apache.org/jira/browse/YARN-4594
YARN-4731 https://issues.apache.org/jira/browse/YARN-4731

Any advice will be greatly appreciated.



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