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Posted to issues-all@impala.apache.org by "Adriano (JIRA)" <ji...@apache.org> on 2019/08/09 11:36:00 UTC
[jira] [Commented] (IMPALA-8852) The dfs.domain.socket.path can be
nonexistent on coordinator only nodes
[ https://issues.apache.org/jira/browse/IMPALA-8852?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16903830#comment-16903830 ]
Adriano commented on IMPALA-8852:
---------------------------------
WORKAROUND:
Create the dfs.domain.socket.path manually with the proper hdfs permission as:
{code:java}
# mkdir /var/run/hdfs-sockets/
# chown hdfs:hadoop /var/run/hdfs-sockets/
# chmod 755 /var/run/hdfs-sockets/
# mkdir /var/run/hdfs-sockets/dn
# chown hdfs:hdfs /var/run/hdfs-sockets/dn
# chmod 1666 /var/run/hdfs-sockets/dn
{code}
> The dfs.domain.socket.path can be nonexistent on coordinator only nodes
> -----------------------------------------------------------------------
>
> Key: IMPALA-8852
> URL: https://issues.apache.org/jira/browse/IMPALA-8852
> Project: IMPALA
> Issue Type: New Feature
> Components: Backend
> Affects Versions: Impala 3.2.0
> Reporter: Adriano
> Priority: Major
>
> On coordinator only nodes (typically the edge nodes), the dfs.domain.socket.path (can be nonexistent on the local FS as the Datanode role eventually is not installed on the edge node).
> The non existing path prevent the ImpalaD to start with the message:
> {code:java}
> I0809 04:15:53.899714 25364 status.cc:124] Invalid short-circuit reads configuration:
> - Impala cannot read or execute the parent directory of dfs.domain.socket.path
> @ 0xb35f19
> @ 0x100e2fe
> @ 0x103f274
> @ 0x102836f
> @ 0xa9f573
> @ 0x7f97807e93d4
> @ 0xafb3b8
> E0809 04:15:53.899749 25364 impala-server.cc:278] Invalid short-circuit reads configuration:
> - Impala cannot read or execute the parent directory of dfs.domain.socket.path
> {code}
> despite a coordinator-only ImpalaD does not do short circuit reads.
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