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Posted to issues-all@impala.apache.org by "Lars Volker (JIRA)" <ji...@apache.org> on 2019/08/12 15:49:00 UTC
[jira] [Commented] (IMPALA-8852) ImpalaD fail to start on a
non-datanode with "Invalid short-circuit reads configuration"
[ https://issues.apache.org/jira/browse/IMPALA-8852?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16905325#comment-16905325 ]
Lars Volker commented on IMPALA-8852:
-------------------------------------
Thanks for filing this issue. As a permanent solution we should only emit a warning when the socket cannot be found and {{-is_executor=false}}.
> ImpalaD fail to start on a non-datanode with "Invalid short-circuit reads configuration"
> ----------------------------------------------------------------------------------------
>
> Key: IMPALA-8852
> URL: https://issues.apache.org/jira/browse/IMPALA-8852
> Project: IMPALA
> Issue Type: Bug
> Components: Backend
> Affects Versions: Impala 3.2.0
> Reporter: Adriano
> Priority: Minor
>
> On coordinator only nodes ([typically the edge nodes|https://www.cloudera.com/documentation/enterprise/5-15-x/topics/impala_dedicated_coordinator.html#concept_omm_gf1_n2b]):
> {code:java}
> --is_coordinator=true
> --is_executor=false
> {code}
> 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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