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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-11064) Collection APIs should provide disk space hint to Policy when possible
Date Tue, 16 Jan 2018 16:05:01 GMT

    [ https://issues.apache.org/jira/browse/SOLR-11064?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16327301#comment-16327301
] 

ASF subversion and git services commented on SOLR-11064:
--------------------------------------------------------

Commit d99799c75c79b488d4db26c968d4e1a9cf415c6b in lucene-solr's branch refs/heads/master
from [~noble.paul]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=d99799c ]

SOLR-11064: Collection APIs should use the disk space hint when using policy framework


> Collection APIs should provide disk space hint to Policy when possible
> ----------------------------------------------------------------------
>
>                 Key: SOLR-11064
>                 URL: https://issues.apache.org/jira/browse/SOLR-11064
>             Project: Solr
>          Issue Type: Sub-task
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: AutoScaling, SolrCloud
>            Reporter: Shalin Shekhar Mangar
>            Priority: Major
>             Fix For: master (8.0), 7.3
>
>
> SOLR-11063 added disk space hint to Policy. The ADDREPLICA, MOVEREPLICA, SPLITSHARD and
REPLACENODE APIs can provide this hint.
> # ADDREPLICA can query the size of the leader's data direcoty for the same shard and
pass it to policy
> # MOVEREPLICA again knows the size of the replica being moved
> # SPLITSHARD knows the size of the split indexes before it calls addreplica to create
replicas of the sub-shards
> # REPLACENODE can compute the sum of disk usage of all the replicas' data directories
> We should probably include both index and tlog size in the hint to ensure that we have
ample space on target nodes.
> We should also take care of HDFS because for movereplica and replacenode, there are no
disk space requirements because the original replica's HDFS data and ulog directories are
used by the new replicas.



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