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SOLR-5944: Use SolrCmdDistributor's synchronous mode for in-place updates

This commit is contained in:
Ishan Chattopadhyaya 2017-02-19 07:50:01 +05:30
parent 82f598d895
commit d5ef026f84
1 changed files with 10 additions and 1 deletions
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11
solr/core/src/java/org/apache/solr/update/processor/DistributedUpdateProcessor.java
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@ -799,8 +799,17 @@ public class DistributedUpdateProcessor extends UpdateRequestProcessor {
if (cmd.isInPlaceUpdate()) {
params.set(DISTRIB_INPLACE_PREVVERSION, String.valueOf(cmd.prevVersion));
// Use synchronous=true so that a new connection is used, instead
// of the update being streamed through an existing streaming client.
// When using a streaming client, the previous update
// and the current in-place update (that depends on the previous update), if reordered
// in the stream, can result in the current update being bottled up behind the previous
// update in the stream and can lead to degraded performance.
cmdDistrib.distribAdd(cmd, nodes, params, true, replicationTracker);
} else {
cmdDistrib.distribAdd(cmd, nodes, params, false, replicationTracker);
}
cmdDistrib.distribAdd(cmd, nodes, params, false, replicationTracker);
}
// TODO: what to do when no idField?