Hi Dmitry,
You can activate debug log and see more information, such as the number
of documents replicated by the cdcr replicator thread, etc.
However, I think that the issue is that indexes on the target instances
are not refreshed, and therefore some of the documents indexed not yet
visible. Cdcr does not replicate commit operations, and let the target
cluster handle the refresh. You can try to manually execute a commit
operation on the target cluster and see if all the documents appears.
Kind Regards
--
Renaud Delbru
On 19/05/16 17:39, dmitry.medve...@barclays.com wrote:
I've come across a weird problem which I'm trying to debug at the moment, and
was just wondering if anyone has stumbled across it too:
I have an active-passive-passive configuration (1 Source cloud, 2 targets), and
NOT all the documents are being replicated to the target clouds. Example: 3
docs are being pushed/indexed on the Source cloud, S1, S2, S3, and only 2 docs
can be found (almost immediately) on the Target clouds, say T1, T3. The
behavior is NOT consistent.
I feel like it's a configuration issue, but it could also be a bug. How can I
debug this issue?
What log files should I examine?
I couldn't find anything in the logs (of both the Source & Target clouds).
Source configuration:
<requestHandler name="/cdcr" class="solr.CdcrRequestHandler">
<lst name="replica">
<str name="zkHost">10.88.52.219:9983,10.36.75.4:9983</str>
<str name="source">demo</str>
<str name="target">demo</str>
</lst>
<lst name="replicator">
<str name="threadPoolSize">2</str>
<str name="schedule">10</str>
<str name="batchSize">128</str>
</lst>
<lst name="updateLogSynchronizer">
<str name="schedule">1000</str>
</lst>
</requestHandler>
<updateHandler class="solr.DirectUpdateHandler2">
<updateLog class="solr.CdcrUpdateLog">
<str name="dir">${solr.ulog.dir:}</str>
</updateLog>
</updateHandler>
Target(s) configuration:
<requestHandler name="/cdcr" class="solr.CdcrRequestHandler">
<lst name="buffer">
<str name="defaultState">disabled</str>
</lst>
</requestHandler>
<updateRequestProcessorChain name="cdcr-proc-chain">
<processor class="solr.CdcrUpdateProcessorFactory"/>
<processor class="solr.RunUpdateProcessorFactory"/>
</updateRequestProcessorChain>
<requestHandler name="/update" class="solr.UpdateRequestHandler">
<lst name="defaults">
<str name="update.chain">cdcr-proc-chain</str>
</lst>
</requestHandler>
<updateHandler class="solr.DirectUpdateHandler2">
<updateLog class="solr.CdcrUpdateLog">
<str name="dir">${solr.ulog.dir:}</str>
</updateLog>
</updateHandler>
Thnx,
Dmitry Medvedev
Tech search leader
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