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From Atita Arora <>
Subject SPLITSHARD throwing OutOfMemory Error
Date Tue, 25 Sep 2018 14:39:30 GMT

I am working on a test setup with Solr 6.1.0 cloud with 1 collection
sharded across 2 shards with no replication. When triggered a SPLITSHARD
command it throws "java.lang.OutOfMemoryError: Java heap space" everytime.
I tried this with multiple heap settings of 8, 12 & 20G but every time it
does create 2 sub-shards but then fails eventually.
I know the issue => has been
resolved but the trace looked very similar to this one.
Also just to ensure that I do not run into exceptions due to merge as
reported in this ticket, I also tried running optimize before proceeding
with splitting the shard.
I issued the following commands :


This threw java.lang.OutOfMemoryError: Java heap space


Then I ran with async=1000 and checked the status. Every time It's creating
the sub shards, but not splitting the index.

Is there something that I am not doing correctly?

Please guide.


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