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https://issues.apache.org/jira/browse/HDFS-13639?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16560942#comment-16560942
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Gang Xie commented on HDFS-13639:
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Attached the diff against the 2.4.
> SlotReleaser is not fast enough
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Gang Xie updated HDFS-13639:
Attachment: HDFS-13639-2.4.diff
> SlotReleaser is not fast enough
> ---
>
>
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Gang Xie updated HDFS-13571:
Comment: was deleted
(was: shttps://issues.apache.org/jira/browse/HDFS-13571?filter=-2#sdfs)
> Dead
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Gang Xie commented on HDFS-13571:
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Attached the diff against 2.6 in case some others need it
> Dead
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Gang Xie commented on HDFS-13571:
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shttps://issues.apache.org/jira/browse/HDFS-13571?filter=-2#sdfs
>
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Gang Xie updated HDFS-13571:
Attachment: HDFS-13571-2.6.diff
> Dead datanode detector
> --
>
> Key:
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Gang Xie commented on HDFS-8865:
We want to port this path to our 2.4 release. But we have a little
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Gang Xie commented on HDFS-13639:
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I used YCSB on hbase to issue local read on HDFDS datanode. Pls see
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Gang Xie updated HDFS-13640:
Affects Version/s: 3.0.2
Description:
The ShortCircuit read is disabled by HDFS-2757 due to the
Gang Xie created HDFS-13640:
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Summary: s
Key: HDFS-13640
URL: https://issues.apache.org/jira/browse/HDFS-13640
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Gang Xie
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Gang Xie updated HDFS-13639:
Environment:
1. YCSB:
{color:#00} recordcount=20
fieldcount=1
fieldlength=1000
Gang Xie created HDFS-13639:
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Summary: SlotReleaser is not fast enough
Key: HDFS-13639
URL: https://issues.apache.org/jira/browse/HDFS-13639
Project: Hadoop HDFS
Issue Type: Improvement
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https://issues.apache.org/jira/browse/HDFS-13121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16492211#comment-16492211
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Gang Xie commented on HDFS-13121:
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Agree with that. It's hard to test such case with UT. so I didn't
Gang Xie created HDFS-13594:
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Summary: the lock of ShortCircuitCache is hold while close the
ShortCircuitReplica
Key: HDFS-13594
URL: https://issues.apache.org/jira/browse/HDFS-13594
Project: Hadoop HDFS
Gang Xie created HDFS-13571:
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Summary: Dead datanode detector
Key: HDFS-13571
URL: https://issues.apache.org/jira/browse/HDFS-13571
Project: Hadoop HDFS
Issue Type: Improvement
Gang Xie created HDFS-13564:
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Summary: PreAllocator for DfsClientShm
Key: HDFS-13564
URL: https://issues.apache.org/jira/browse/HDFS-13564
Project: Hadoop HDFS
Issue Type: Improvement
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https://issues.apache.org/jira/browse/HDFS-13378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16420350#comment-16420350
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Gang Xie commented on HDFS-13378:
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attach the fix.
> Add the option to set the du reserve by percent on
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Gang Xie updated HDFS-13378:
Attachment: HDFS-13378_v1.diff
> Add the option to set the du reserve by percent on datanode
>
Gang Xie created HDFS-13378:
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Summary: Add the option to set the du reserve by percent on
datanode
Key: HDFS-13378
URL: https://issues.apache.org/jira/browse/HDFS-13378
Project: Hadoop HDFS
Issue
Gang Xie created HDFS-13121:
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Summary: NPE when request file descriptors when SC read
Key: HDFS-13121
URL: https://issues.apache.org/jira/browse/HDFS-13121
Project: Hadoop HDFS
Issue Type: Bug
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https://issues.apache.org/jira/browse/HDFS-6440?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16285652#comment-16285652
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Gang Xie commented on HDFS-6440:
Do we initiate the back-port of this feature to branch-2?
According to my
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https://issues.apache.org/jira/browse/HDFS-12528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16272240#comment-16272240
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Gang Xie commented on HDFS-12528:
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What's the risk if we don't disable the SCR at all when we get any
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Gang Xie commented on HDFS-12528:
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create a patch for case when block is invalid by balancer, which also
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https://issues.apache.org/jira/browse/HDFS-12821?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gang Xie updated HDFS-12821:
Attachment: HDFS-12821.patch
When we receive the block invalid exception, this means it's moved to some
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Gang Xie commented on HDFS-12820:
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Why we don't substract nodesInService when we complete the decommission
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Gang Xie edited comment on HDFS-12820 at 11/20/17 9:11 AM:
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After carefully
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Gang Xie reopened HDFS-12820:
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After carefully check the issue reported in HDFS-9279, and found this issue is
not a its dup.
this case is
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Gang Xie commented on HDFS-12820:
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And I believe this issue still in the latest version
> Decommissioned
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Gang Xie commented on HDFS-12820:
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nice, let me check it out.
> Decommissioned datanode is counted in
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Gang Xie commented on HDFS-12821:
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yes, should be the same issue.
> Block invalid IOException causes the
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Gang Xie commented on HDFS-12528:
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We hit the similar issue and created a jira : HDFS-12821
According to
Gang Xie created HDFS-12821:
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Summary: Block invalid IOException causes the DFSClient domain
socket being disabled
Key: HDFS-12821
URL: https://issues.apache.org/jira/browse/HDFS-12821
Project: Hadoop HDFS
Gang Xie created HDFS-12820:
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Summary: Decommissioned datanode is counted in service cause
datanode allcating failure
Key: HDFS-12820
URL: https://issues.apache.org/jira/browse/HDFS-12820
Project: Hadoop
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https://issues.apache.org/jira/browse/HDFS-7784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15796824#comment-15796824
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Gang Xie commented on HDFS-7784:
About the GC activities, the following is the gstat output. And it do
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https://issues.apache.org/jira/browse/HDFS-7784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15796809#comment-15796809
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Gang Xie commented on HDFS-7784:
The hardware info:
CPU:
Intel(R) Xeon(R) CPU E5-2620 v3 @ 2.40GHz with 24
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Gang Xie commented on HDFS-7784:
The JVM setting:
-Xmx102400m
-Xms102400m
-Xmn5508m
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Gang Xie commented on HDFS-7784:
After make the AclStorage synchronized, it could works. the loading time
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Gang Xie commented on HDFS-7784:
Found a potential issue while trying to back port this patch to 2.4. Pls
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https://issues.apache.org/jira/browse/HDFS-7784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15777928#comment-15777928
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Gang Xie commented on HDFS-7784:
Hello,
Any update about this improvement? Loading huge image really takes
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