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https://issues.apache.org/jira/browse/SOLR-2822?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hoss Man updated SOLR-2822:
---------------------------
Attachment: SOLR-2822.patch
patch i worked up during the last couple of weeks (but evidently forgot to
upload)
* implements the general idea i outlined before (using the interface name
"DistributingUpdateProcessorFactory" instead of DistributedUpdateMarker)
* includes a randomized test demonstrating the existing problem with doc adds
and update processors both before and after the distrib handler -- but this was
just shoehorned into an existing test and should be refactored
* needs more unit tests - particularly something non randomized that does a
straight forward verification of the processor skipping done by the chain
* I want to add a NoOpDistributingUpdateProcessorFactory - both for testing and
for easy use by any existing SolrCloud users who want absolute total control of
their chains (ie: isn't using DistributedUpdateProcessorFactory and is building
shards their own custom way)
* has a few nocommits - other then things i've already mentioned, they are
primarily related to docs and logging
One interesting thing i didn't realize until i started implementing this is
that the deleteByQuery code path already had something nearly identical to my
update.distrib=NONE|TOLEADER|FROMLEADER param value (via a "dqb_level=1|2|3")
.. i take that as validation that generalizing it to replace the existing
SEEN_LEADER logic in the other code paths isn't a bad idea.
> don't run update processors twice
> ---------------------------------
>
> Key: SOLR-2822
> URL: https://issues.apache.org/jira/browse/SOLR-2822
> Project: Solr
> Issue Type: Sub-task
> Components: SolrCloud, update
> Reporter: Yonik Seeley
> Fix For: 4.0
>
> Attachments: SOLR-2822.patch
>
>
> An update will first go through processors until it gets to the point where
> it is forwarded to the leader (or forwarded to replicas if already on the
> leader).
> We need a way to skip over the processors that were already run (perhaps by
> using a processor chain dedicated to sub-updates?
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