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Xing Lin commented on HDFS-14703:
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Hi [~prasad-acit], that is awesome! Konstantin is on vacation this
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Xing Lin commented on HDFS-14703:
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I did some performance benchmarks using a physical server (a d430
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Xing Lin edited comment on HDFS-14703 at 5/17/21, 4:41 AM:
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I did some
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Xing Lin edited comment on HDFS-14703 at 5/17/21, 4:42 AM:
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I did some
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Xing Lin edited comment on HDFS-14703 at 5/15/21, 3:55 PM:
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[~prasad-acit] try
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Xing Lin commented on HDFS-14703:
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[~prasad-acit] try this command: use -fs file:///, instead of
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Xing Lin edited comment on HDFS-14703 at 5/15/21, 3:53 PM:
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[~prasad-acit] try
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Xing Lin edited comment on HDFS-14703 at 5/15/21, 6:06 AM:
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[~prasad-acit] how
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Xing Lin commented on HDFS-14703:
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[~prasad-acit] how many CPU cores does your server have? The OPS per
Xing Lin created HDFS-16125:
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Summary: iterator for PartitionedGSet would visit the first
partition twice
Key: HDFS-16125
URL: https://issues.apache.org/jira/browse/HDFS-16125
Project: Hadoop HDFS
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Xing Lin updated HDFS-16125:
Description:
Iterator in PartitionedGSet would visit the first partition twice, since we did
not set the
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Xing Lin updated HDFS-16125:
Summary: fix the iterator for PartitionedGSet (was: iterator for
PartitionedGSet would visit the first
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Xing Lin commented on HDFS-16128:
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Hi [~prasad-acit],
The issue is given a inode as a long value, the
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Xing Lin edited comment on HDFS-16128 at 9/2/21, 4:14 PM:
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Hi [~prasad-acit],
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Xing Lin commented on HDFS-16191:
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Yeah, that does not sound right: when there are 256 partitions, we
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Xing Lin commented on HDFS-16191:
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Hi [~prasad-acit],
Thanks for working on this!
As you asked in the
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Xing Lin updated HDFS-16128:
Parent: HDFS-14703
Issue Type: Sub-task (was: Improvement)
> Add support for saving/loading an FS
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Xing Lin updated HDFS-16128:
Summary: [FGL] Add support for saving/loading an FS Image for
PartitionedGSet (was: Add support for
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Xing Lin reassigned HDFS-16128:
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Assignee: Xing Lin
> Add support for saving/loading an FS Image for PartitionedGSet
>
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Xing Lin updated HDFS-16128:
Summary: Add support for saving/loading an FS Image for PartitionedGSet
(was: Add support for
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Xing Lin updated HDFS-16128:
Description: Add support to save Inodes stored in PartitionedGSet when
saving an FS image and load Inodes
Xing Lin created HDFS-16128:
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Summary: Add support for saving/loading an FS Image
Key: HDFS-16128
URL: https://issues.apache.org/jira/browse/HDFS-16128
Project: Hadoop HDFS
Issue Type: Improvement
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Xing Lin commented on HDFS-16128:
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Instead of loading inodes directly into the final inodeMap, we now
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Work on HDFS-16128 started by Xing Lin.
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> [FGL] Add support for saving/loading an FS Image for PartitionedGSet
>
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Xing Lin updated HDFS-14703:
Fix Version/s: Fine-Grained Locking
> NameNode Fine-Grained Locking via Metadata Partitioning
>
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Xing Lin updated HDFS-14703:
Fix Version/s: (was: Fine-Grained Locking)
> NameNode Fine-Grained Locking via Metadata Partitioning
>
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Xing Lin commented on HDFS-16128:
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[~prasad-acit] Thanks for your comments. One of them is a bug in my
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Xing Lin updated HDFS-16128:
Labels: pull-request-available (was: )
> [FGL] Add support for saving/loading an FS Image for
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Xing Lin updated HDFS-16128:
Description:
Add support to save Inodes stored in PartitionedGSet when saving an FS image
and load Inodes
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Xing Lin commented on HDFS-14703:
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[~daryn] Thanks for your comments. I will address your last question
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Xing Lin edited comment on HDFS-14703 at 7/27/21, 6:07 AM:
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[~daryn] Thanks for
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Xing Lin commented on HDFS-17231:
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Hi [~kuper],
Please assign this Jira to yourself since you have
Xing Lin created HDFS-16818:
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Summary: RBF TestRouterRPCMultipleDestinationMountTableResolver
non-deterministic unit tests failures
Key: HDFS-16818
URL: https://issues.apache.org/jira/browse/HDFS-16818
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Xing Lin commented on HDFS-16818:
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This unit test failure is non-deterministic. May be related with
Xing Lin created HDFS-16816:
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Summary: RBF: auto-create user home dir for trash paths by router
Key: HDFS-16816
URL: https://issues.apache.org/jira/browse/HDFS-16816
Project: Hadoop HDFS
Issue
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Xing Lin commented on HDFS-16818:
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Even when we unset storagepolicy, we still get HOT policy.
Xing Lin created HDFS-16790:
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Summary: rbf wrong path when destination dir is not created
Key: HDFS-16790
URL: https://issues.apache.org/jira/browse/HDFS-16790
Project: Hadoop HDFS
Issue Type: Bug
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Xing Lin commented on HDFS-15901:
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Do we have any followup on this issue?
We are seeing a similar issue
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Xing Lin edited comment on HDFS-15901 at 1/8/23 1:42 AM:
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Do we have any followup
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Xing Lin updated HDFS-16852:
Summary: Register the shutdown hook only when not in shutdown for
KeyProviderCache constructor (was:
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Xing Lin updated HDFS-16852:
Summary: HDFS-16852 Register the shutdown hook only when not in shutdown
for KeyProviderCache constructor
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Xing Lin reassigned HDFS-16852:
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Assignee: Xing Lin
> swallow IllegalStateException in KeyProviderCache
>
Xing Lin created HDFS-16852:
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Summary: swallow IllegalStateException in KeyProviderCache
Key: HDFS-16852
URL: https://issues.apache.org/jira/browse/HDFS-16852
Project: Hadoop HDFS
Issue Type: Bug
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Xing Lin updated HDFS-16852:
Summary: Swallow IllegalStateException in KeyProviderCache (was: swallow
IllegalStateException in
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Xing Lin updated HDFS-16689:
Description:
Standby NameNode crashes when transitioning to Active with a in-progress
tailer. And the
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Xing Lin updated HDFS-16838:
Description:
There is a NPE in
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Xing Lin commented on HDFS-15505:
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There is no update from [~hangc] on the PR. I am not sure whether he
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Xing Lin commented on HDFS-16816:
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/user dir may not be writable for any regular user. In that case,
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Xing Lin reassigned HDFS-16816:
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Assignee: (was: Xing Lin)
> RBF: auto-create user home dir for trash paths by router
>
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Xing Lin commented on HDFS-17093:
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Hi [~yuyanlei],
Thanks for sharing! I don't fully understand how your
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Xing Lin commented on HDFS-17093:
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{quote}[~xinglin] ，I think you modify some more reasonable, datanode
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Xing Lin commented on HDFS-17093:
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FYI, we set dfs.namenode.max.full.block.report.leases = 6, even though
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Xing Lin updated HDFS-17067:
Description:
In HDFS-17030, we introduced an ExecutorService, to submit getHAServiceState()
requests. We
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Xing Lin updated HDFS-17067:
Description:
In HDFS-17030, we introduced an ExecutorService, to submit getHAServiceState()
requests. We
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Xing Lin updated HDFS-17067:
Summary: Use BlockingThreadPoolExecutorService for nnProbingThreadPool in
ObserverReadProxy (was:
Xing Lin created HDFS-17067:
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Summary: allowCoreThreadTimeOut should be set to true for
nnProbingThreadPool in ObserverReadProxy
Key: HDFS-17067
URL: https://issues.apache.org/jira/browse/HDFS-17067
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Xing Lin updated HDFS-17067:
Description:
In HDFS-17030, we introduced an ExecutorService, to submit getHAServiceState()
requests. We
Xing Lin created HDFS-17030:
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Summary: Limit wait time for getHAServiceState in
ObserverReaderProxy
Key: HDFS-17030
URL: https://issues.apache.org/jira/browse/HDFS-17030
Project: Hadoop HDFS
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Xing Lin reassigned HDFS-17030:
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Assignee: Xing Lin
> Limit wait time for getHAServiceState in ObserverReaderProxy
>
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Xing Lin updated HDFS-17030:
Description:
When namenode HA is enabled and a standby NN is not responsible, we have
observed it would
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Xing Lin updated HDFS-17030:
Description:
When namenode HA is enabled and a standby NN is not responsible, we have
observed it would
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Xing Lin updated HDFS-17030:
Description:
When namenode HA is enabled and a standby NN is not responsible, we have
observed it would
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Xing Lin updated HDFS-17042:
Description:
We'd like to add two new types of metrics to the existing NN
RpcMetrics/RpcDetailedMetrics.
Xing Lin created HDFS-17042:
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Summary: Add rpcCallSuccesses and OverallRpcProcessingTime to
RpcMetrics for Namenode
Key: HDFS-17042
URL: https://issues.apache.org/jira/browse/HDFS-17042
Project: Hadoop
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Xing Lin updated HDFS-17042:
Description:
We'd like to add two new types of metrics to the existing NN
RpcMetrics/RpcDetailedMetrics.
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Xing Lin updated HDFS-17030:
Description:
When namenode HA is enabled and a standby NN is not responsible, we have
observed it would
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Xing Lin updated HDFS-17030:
Description:
When namenode HA is enabled and a standby NN is not responsible, we have
observed it would
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Xing Lin updated HDFS-17030:
Description:
When namenode HA is enabled and a standby NN is not responsible, we have
observed it would
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Xing Lin updated HDFS-17030:
Description:
When namenode HA is enabled and a standby NN is not responsible, we have
observed it would
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Xing Lin updated HDFS-17118:
Description:
We noticed a few checkstyle warnings when backporting HDFS-17030 from trunk to
branch-3.3.
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Xing Lin updated HDFS-17118:
Description:
We noticed a few checkstyle warnings when backporting HDFS-17030 from trunk to
branch-3.3.
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Xing Lin updated HDFS-17118:
Description:
We noticed a few checkstyle warnings when backporting HDFS-17030 from trunk to
branch-3.3.
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Xing Lin reassigned HDFS-17118:
---
Assignee: Xing Lin
> Fix minor checkstyle warnings in TestObserverReadProxyProvider
>
Xing Lin created HDFS-17118:
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Summary: Fix minor checkstyle warnings in
TestObserverReadProxyProvider
Key: HDFS-17118
URL: https://issues.apache.org/jira/browse/HDFS-17118
Project: Hadoop HDFS
Xing Lin created HDFS-17055:
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Summary: Export HAState as a metric from Namenode for monitoring
Key: HDFS-17055
URL: https://issues.apache.org/jira/browse/HDFS-17055
Project: Hadoop HDFS
Issue
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Xing Lin reassigned HDFS-17055:
---
Assignee: Xing Lin
> Export HAState as a metric from Namenode for monitoring
>
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Xing Lin updated HDFS-17055:
Description:
We'd like measure the uptime for Namenodes: percentage of time when we have the
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Xing Lin updated HDFS-17055:
Description:
We'd like measure the uptime for Namenodes: percentage of time when we have the
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Xing Lin updated HDFS-17286:
Attachment: (was: active.png)
> Add UDP as a transfer protocol for HDFS
>
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Xing Lin updated HDFS-17286:
Attachment: (was: Observer.png)
> Add UDP as a transfer protocol for HDFS
>
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Xing Lin updated HDFS-17286:
Attachment: active.png
observer.png
> Add UDP as a transfer protocol for HDFS
>
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Xing Lin updated HDFS-17286:
Attachment: Observer.png
> Add UDP as a transfer protocol for HDFS
>
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Xing Lin updated HDFS-17286:
Attachment: active.png
> Add UDP as a transfer protocol for HDFS
> ---
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Xing Lin updated HDFS-17286:
Attachment: (was: Screenshot 2023-12-12 at 9.32.15 AM.png)
> Add UDP as a transfer protocol for HDFS
>
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Xing Lin updated HDFS-17286:
Attachment: Screenshot 2023-12-12 at 9.31.58 AM.png
> Add UDP as a transfer protocol for HDFS
>
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Xing Lin updated HDFS-17286:
Attachment: Screenshot 2023-12-12 at 9.32.15 AM.png
> Add UDP as a transfer protocol for HDFS
>
Xing Lin created HDFS-17286:
---
Summary: Add UDP as a transfer protocol for HDFS
Key: HDFS-17286
URL: https://issues.apache.org/jira/browse/HDFS-17286
Project: Hadoop HDFS
Issue Type: Improvement
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https://issues.apache.org/jira/browse/HDFS-17286?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xing Lin updated HDFS-17286:
Attachment: (was: Screenshot 2023-12-12 at 9.31.58 AM.png)
> Add UDP as a transfer protocol for HDFS
>
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https://issues.apache.org/jira/browse/HDFS-17281?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xing Lin updated HDFS-17281:
Description:
We have come across a few cases where the hdfs clients are reporting very bad
latencies, we
Xing Lin created HDFS-17281:
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Summary: Added support of reporting RPC round-trip time at NN.
Key: HDFS-17281
URL: https://issues.apache.org/jira/browse/HDFS-17281
Project: Hadoop HDFS
Issue Type:
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https://issues.apache.org/jira/browse/HDFS-17281?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xing Lin updated HDFS-17281:
Description:
We have come across a few cases where the hdfs clients are reporting very bad
latencies,
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https://issues.apache.org/jira/browse/HDFS-17281?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xing Lin updated HDFS-17281:
Description:
We have come across a few cases where the hdfs clients are reporting very bad
latencies, we
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https://issues.apache.org/jira/browse/HDFS-17281?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xing Lin updated HDFS-17281:
Attachment: Screenshot 2023-10-28 at 10.26.41 PM.png
> Added support of reporting RPC round-trip time at
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https://issues.apache.org/jira/browse/HDFS-17332?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xing Lin updated HDFS-17332:
Description:
In DFSInputStream#actualGetFromOneDataNode(), it would send the exception
stacktrace to the
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https://issues.apache.org/jira/browse/HDFS-17332?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xing Lin reassigned HDFS-17332:
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Assignee: Xing Lin
> DFSInputStream: avoid logging stacktrace until when we really need to fail a
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https://issues.apache.org/jira/browse/HDFS-17332?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xing Lin updated HDFS-17332:
Environment: (was: In DFSInputStream#actualGetFromOneDataNode(), it
would send the exception
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https://issues.apache.org/jira/browse/HDFS-17332?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xing Lin updated HDFS-17332:
Description: In DFSInputStream#actualGetFromOneDataNode(), it would send
the exception stacktrace to the
Xing Lin created HDFS-17332:
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Summary: DFSInputStream: avoid logging stacktrace until when we
really need to fail a read request with a MissingBlockException
Key: HDFS-17332
URL:
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https://issues.apache.org/jira/browse/HDFS-17332?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xing Lin updated HDFS-17332:
Description:
In DFSInputStream#actualGetFromOneDataNode(), it would send the exception
stacktrace to the
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https://issues.apache.org/jira/browse/HDFS-17332?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17806170#comment-17806170
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Xing Lin commented on HDFS-17332:
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In this jira, we only addressed the above issue for DFSInputStream. We
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