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https://issues.apache.org/jira/browse/HBASE-19841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16337017#comment-16337017
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Mike Drob commented on HBASE-19841:
-----------------------------------
Attached a new v3 that demonstrates the direction that I think we should be
going in. It removes the hbase-site.xml change from earlier in favor of only
having it as part of the local HTU. Then we make sure that we're using the
correct conf in places. This is a WIP, since I haven't run a full test suite
yet against H3 with the patch.
This is a good intermediate step because it will need to identify all of the
places where we rely on WALs with a localFS and then will be able to update
them later when we have a real fix.
cc: [~elserj], since you were in the original discussion.
> Tests against hadoop3 fail with StreamLacksCapabilityException
> --------------------------------------------------------------
>
> Key: HBASE-19841
> URL: https://issues.apache.org/jira/browse/HBASE-19841
> Project: HBase
> Issue Type: Test
> Reporter: Ted Yu
> Assignee: Ted Yu
> Priority: Major
> Fix For: 2.0.0-beta-2
>
> Attachments: 19841.v0.txt, 19841.v1.txt, HBASE-19841.v2.patch,
> HBASE-19841.v3.patch
>
>
> The following can be observed running against hadoop3:
> {code}
> java.io.IOException: cannot get log writer
> at
> org.apache.hadoop.hbase.regionserver.TestCompactingMemStore.compactingSetUp(TestCompactingMemStore.java:107)
> at
> org.apache.hadoop.hbase.regionserver.TestCompactingMemStore.setUp(TestCompactingMemStore.java:89)
> Caused by:
> org.apache.hadoop.hbase.util.CommonFSUtils$StreamLacksCapabilityException:
> hflush and hsync
> at
> org.apache.hadoop.hbase.regionserver.TestCompactingMemStore.compactingSetUp(TestCompactingMemStore.java:107)
> at
> org.apache.hadoop.hbase.regionserver.TestCompactingMemStore.setUp(TestCompactingMemStore.java:89)
> {code}
> This was due to hbase-server/src/test/resources/hbase-site.xml not being
> picked up by Configuration object. Among the configs from this file, the
> value for "hbase.unsafe.stream.capability.enforce" relaxes check for presence
> of hflush and hsync. Without this config entry,
> StreamLacksCapabilityException is thrown.
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