[
https://issues.apache.org/jira/browse/HADOOP-15880?focusedWorklogId=561824&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-561824
]
ASF GitHub Bot logged work on HADOOP-15880:
-------------------------------------------
Author: ASF GitHub Bot
Created on: 06/Mar/21 17:21
Start Date: 06/Mar/21 17:21
Worklog Time Spent: 10m
Work Description: lamber-ken opened a new pull request #2750:
URL: https://github.com/apache/hadoop/pull/2750
## ISSUE
https://issues.apache.org/jira/browse/HDFS-15880
## OUTLINE
The SNN always send end logsegment rpc in cycle（dfs.ha.log-roll.period=120s）.
-
- If no edit request occurs during this period, ANN will still send the RPC
request to the journal node which is redundant.
- The `FSEditLog#endCurrentLogSegment` is synchronized will affetc other rpc
requests.
Editlogs only contains two operations :
```
LogSegmentOp [opCode=OP_START_LOG_SEGMENT, txid=-12345]
LogSegmentOp [opCode=OP_END_LOG_SEGMENT, txid=-12345]
```
```
[dcadmin@dw-work-006 ~]$ ll
/work/data/hadoop/hdfs/journalnode/nn-work/current/
total 1100
-rw-r----- 1 dcadmin dcadmin 8 Mar 7 01:02 committed-txid
-rw-r----- 1 dcadmin dcadmin 42 Mar 7 00:35
edits_0000000000000000001-0000000000000000002
-rw-r----- 1 dcadmin dcadmin 42 Mar 7 00:37
edits_0000000000000000003-0000000000000000004
-rw-r----- 1 dcadmin dcadmin 42 Mar 7 00:39
edits_0000000000000000005-0000000000000000006
-rw-r----- 1 dcadmin dcadmin 42 Mar 7 00:41
edits_0000000000000000007-0000000000000000008
-rw-r----- 1 dcadmin dcadmin 42 Mar 7 00:43
edits_0000000000000000009-0000000000000000010
-rw-r----- 1 dcadmin dcadmin 42 Mar 7 00:45
edits_0000000000000000011-0000000000000000012
-rw-r----- 1 dcadmin dcadmin 42 Mar 7 00:48
edits_0000000000000000013-0000000000000000014
-rw-r----- 1 dcadmin dcadmin 42 Mar 7 00:50
edits_0000000000000000015-0000000000000000016
-rw-r----- 1 dcadmin dcadmin 42 Mar 7 00:52
edits_0000000000000000017-0000000000000000018
-rw-r----- 1 dcadmin dcadmin 42 Mar 7 00:54
edits_0000000000000000019-0000000000000000020
-rw-r----- 1 dcadmin dcadmin 42 Mar 7 00:56
edits_0000000000000000021-0000000000000000022
-rw-r----- 1 dcadmin dcadmin 42 Mar 7 00:58
edits_0000000000000000023-0000000000000000024
-rw-r----- 1 dcadmin dcadmin 42 Mar 7 01:00
edits_0000000000000000025-0000000000000000026
-rw-r----- 1 dcadmin dcadmin 42 Mar 7 01:02
edits_0000000000000000027-0000000000000000028
```
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Issue Time Tracking
-------------------
Worklog Id: (was: 561824)
Remaining Estimate: 0h
Time Spent: 10m
> WASB doesn't honor fs.trash.interval and this fails to auto purge trash folder
> ------------------------------------------------------------------------------
>
> Key: HADOOP-15880
> URL: https://issues.apache.org/jira/browse/HADOOP-15880
> Project: Hadoop Common
> Issue Type: Bug
> Components: documentation, fs/azure
> Affects Versions: 2.7.3
> Environment: Any HDInsigth cluster pointing to WASB.
> Reporter: Sunil Kumar Chakrapani
> Priority: Minor
> Labels: WASB
> Time Spent: 10m
> Remaining Estimate: 0h
>
> when "fs.trash.interval" is set to a value, trash for the local hdfs got
> cleared where as the trash folder on WASB doesn't get deleted and the files
> get piled up on WASB store..
> WASB doesn't pick up fs.trash.interval value and this fails to auto purge
> trash folder on WASB store.
>
> *Issue : WASB doesn't honor fs.trash.interval and this fails to auto purge
> trash folder*
> *Steps to reproduce Scenario:*
> *Delete any file stored on HDFS*
> hdfs dfs -D "fs.default.name=hdfs://mycluster/" -rm /hivestore.txt
> 18/10/23 06:18:05 INFO fs.TrashPolicyDefault: Moved:
> 'hdfs://mycluster/hivestore.txt' to trash at:
> hdfs://mycluster/user/sshuser/.Trash/Current/hivestore.txt
> *When deleted the file is moved to trash folder*
> hdfs dfs -rm wasb:///hivestore.txt
> 18/10/23 06:19:13 INFO fs.TrashPolicyDefault: Moved:
> 'wasb://kcspark-2018-10-18t17-07-40-5...@kcdnsproxy.blob.core.windows.net/hivestore.txt'
> to trash at:
> wasb://kcspark-2018-10-18t17-07-40-5...@kcdnsproxy.blob.core.windows.net/user/sshuser/.Trash/Current/hivestore.txt
> *Reduced the fs.trash.interval from 360 to 1 and restarted all related
> services.*
> *Trash for the local hdfs gets cleared honoring the "fs.trash.interval"
> value.*
> hdfs dfs -D "fs.default.name=hdfs://mycluster/" -ls
> hdfs://mycluster/user/sshuser/.Trash/Current/
> ls: File hdfs://mycluster/user/sshuser/.Trash/Current does not exist.
> *Where as the trash for WASB doesn't get cleared.*
> hdfs dfs -ls
> wasb://kcspark-2018-10-18t17-07-40-5...@kcdnsproxy.blob.core.windows.net/user/sshuser/.Trash/Current/
> Found 1 items
> -rw-r--r-- 1 sshuser supergroup 1084 2018-10-23 06:19
> wasb://kcspark-2018-10-18t17-07-40-5...@kcdnsproxy.blob.core.windows.net/user/sshuser/.Trash/Current/hivestore.txt
>
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