[HDFS-15118] [SBN Read] Slow clients when Observer reads are enabled but there are no Observers on the cluster. - ASF JIRA

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Details

Type: Bug
Status: Resolved
Priority: Major
Resolution: Fixed
Affects Version/s: 2.10.0
Fix Version/s: 3.3.0, 3.1.4, 3.2.2, 2.10.1
Component/s: hdfs-client
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Description

We see substantial degradation in performance of HDFS clients, when Observer reads are enabled via ObserverReadProxyProvider, but there are no ObserverNodes on the cluster.

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HDFS-15118.001.patch
16/Jan/20 22:25
11 kB
Chen Liang
HDFS-15118.002.patch
28/Jan/20 01:47
11 kB
Chen Liang

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Assignee:: Chen Liang Assign to me

Reporter:: Konstantin Shvachko

Votes:: 0 Vote for this issue

Watchers:: 6 Start watching this issue

Dates

Created:: 13/Jan/20 20:06

Updated:: 16/Feb/22 08:35

Resolved:: 29/Jan/20 20:47

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[SBN Read] Slow clients when Observer reads are enabled but there are no Observers on the cluster.

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