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From "McClain Looney (JIRA)" <j...@apache.org>
Subject [jira] Commented: (SOLR-1775) Replication of 300MB stops indexing for 5 seconds when syncing
Date Wed, 08 Dec 2010 19:53:12 GMT

    [ https://issues.apache.org/jira/browse/SOLR-1775?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12969455#action_12969455
] 

McClain Looney commented on SOLR-1775:
--------------------------------------

We are definitely not holding our data on another partition  (as far as i can tell). interestingly,
replication.properties seems to show that we had several failures right around the time of
our last "brown out":

#Replication details
#Wed Dec 08 13:40:00 CST 2010
replicationFailedAtList=1291826400058,1291826100059,1291825800087,1291825500059,1291825200109,1291485000059,1291484700058,1291484400061,1291484100042
previousCycleTimeInSeconds=0
timesFailed=9
indexReplicatedAtList=1291837200673,1291836911689,1291834200139,1291826700131,1291826400058,1291826100059,1291825800087,1291825500059,1291825200109,1291824302091
indexReplicatedAt=1291837200673
replicationFailedAt=1291826400058
timesIndexReplicated=274
lastCycleBytesDownloaded=11327528

our index is about 17gb, our largest segment is 5.0gb

> Replication of 300MB stops indexing for 5 seconds when syncing
> --------------------------------------------------------------
>
>                 Key: SOLR-1775
>                 URL: https://issues.apache.org/jira/browse/SOLR-1775
>             Project: Solr
>          Issue Type: Bug
>          Components: replication (java)
>    Affects Versions: 1.4
>         Environment: Centos 5.3
>            Reporter: Bill Bell
>
> When using Java replication in v1.4 and doing a sync from master to slave, the slave
delays for about 5-10 seconds. When using rsync this does not occur.
> Is there a way to thread better or lower the priority to not impact queries when it is
bringing over the index files from the master? Maybe a separate process?

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