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https://issues.apache.org/jira/browse/SOLR-8724?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15163779#comment-15163779
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Steve Rowe edited comment on SOLR-8724 at 2/24/16 9:01 PM:
-----------------------------------------------------------
Patch, all Solr tests pass for me.
There is only one non-drop-in aspect: ZOOKEEPER-1506 makes private the
previously public {{QuorumPeer.QuorumServer}} constructors used in
{{SolrZkServerProps.parseProperties()}}, which was copied from ZK v3.2's
{{QuorumPeerConfig}} (which {{SolrZkServerProps}} extends) and modified to
"[allow] us to set a default for the data dir before parsing zoo.cfg (which
validates that there is a dataDir)" (<- comment above {{SolrZkServerProps}}).
Rather than try to make more local modifications to this copy to allow it to
compile, I've taken the tack of lifting the 3.4.8 version of
{{QuorumPeerConfig.parseProperties()}} (which has quite a few config changes we
should likely be supporting anyway), and then applying the same mods that had
been made to Solr's version:
# Add {{@Override}} annotation
# Add above-described fallback for when the "myid" file can't be found
# Specify the encoding when opening the "myid" file (LUCENE-5560)
I made two additional changes:
# Added a differently-named copy in {{SolrZkServerProps}} of a private access
data member referred to from the new {{parseProperties()}}:
{{QuorumPeerConfig.MIN_SNAP_RETAIN_COUNT}}
# Commented out a call to set "myid" in MDC
If it weren't for that last item, I'd advocate for getting rid of this patched
{{parseProperties()}} and directly calling the superclass version, catching the
".../myid file is missing" {{IllegalArgumentException}}, and handling setting
the server id in the catch block.
[[email protected]], I'd appreciate your review.
was (Author: steve_rowe):
Patch, all Solr tests pass for me.
There is only one non-drop-in aspect: ZOOKEEPER-1506 makes private the
previously public {{QuorumPeer.QuorumServer}} constructors used in
{{SolrZkServerProps.parseProperties()}}, which was copied from ZK v3.2's
{{QuorumPeerConfig}} (which {{SolrZkServerProps}} extends) and modified to
"[allow] us to set a default for the data dir before parsing zoo.cfg (which
validates that there is a dataDir)" (<- comment above {{SolrZkServerProps}},
which extends {{QuorumPeerConfig}}).
Rather than try to make more local modifications to this copy to allow it to
compile, I've taken the tack of lifting the 3.4.8 version of
{{QuorumPeerConfig.parseProperties()}} (which has quite a few config changes we
should likely be supporting anyway), and then applying the same mods that had
been made to Solr's version:
# Add {{@Override}} annotation
# Add above-described fallback for when the "myid" file can't be found
# Specify the encoding when opening the "myid" file (LUCENE-5560)
I made two additional changes:
# Added a differently-named copy in {{SolrZkServerProps}} of a private access
data member referred to from the new {{parseProperties()}}:
{{QuorumPeerConfig.MIN_SNAP_RETAIN_COUNT}}
# Commented out a call to set "myid" in MDC
If it weren't for that last item, I'd advocate for getting rid of this patched
{{parseProperties()}} and directly calling the superclass version, catching the
".../myid file is missing" {{IllegalArgumentException}}, and handling setting
the server id in the catch block.
[[email protected]], I'd appreciate your review.
> Upgrade Zookeeper to 3.4.8
> --------------------------
>
> Key: SOLR-8724
> URL: https://issues.apache.org/jira/browse/SOLR-8724
> Project: Solr
> Issue Type: Bug
> Reporter: Steve Rowe
> Fix For: master
>
> Attachments: SOLR-8724.patch
>
>
> Zookeeper 3.4.8 was released a few days ago - we should upgrade.
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