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From Vaibhav Bhandari <vaibhav.bhandar...@gmail.com>
Subject High memory usage while querying with sort using cursor
Date Wed, 18 Mar 2015 19:59:43 GMT
Hi all,

My setup is as follows:

*Collection* size: 32GB, 2 shards, replication factor: 2 (~16GB on each
replica). Number of rows: 250million
4 *Solr* nodes: RAM: 30GB each. Heap size: 8GB. Version: 4.9.1

Besides the collection in question, the nodes have some other collections
present. The total size of all collections of each node is 30GB (which is
the same as the amount of RAM on them).

A simple query on the collection: ../select?q=*:* works perfectly fine.

But as soon as i add sorting, it crashes the nodes with OOM:
.../select?q=*:*&sort=unique_id asc&rows=0.

I have tried to disable filter-cache and query-result-cache. But that did
not help either.

Any ideas/suggestions?

Thanks,
Vaibhav

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