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From Chetas Joshi <chetas.jo...@gmail.com>
Subject Solr Initialization failure
Date Wed, 04 Jan 2017 20:43:17 GMT
Hello,

while creating a new collection, it fails to spin up solr cores on some
nodes due to "insufficient direct memory".

Here is the error:

   - *3044_01_17_shard42_replica1:*
org.apache.solr.common.SolrException:org.apache.solr.common.SolrException:
   The max direct memory is likely too low. Either increase it (by adding
   -XX:MaxDirectMemorySize=<size>g -XX:+UseLargePages to your containers
   startup args) or disable direct allocation using
   solr.hdfs.blockcache.direct.memory.allocation=false in solrconfig.xml. If
   you are putting the block cache on the heap, your java heap size might not
   be large enough. Failed allocating ~2684.35456 MB.

The error is self explanatory.

My question is: why does it require around 2.7 GB of off-heap memory to
spin up a single core??

Thank you!

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