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From Rick Dig <>
Subject SolrClould 6.6 stability challenges
Date Sat, 04 Nov 2017 04:15:21 GMT
hello all,
we are trying to run solrcloud 6.6 in a production setting.
here's our config and issue
1) 3 nodes, 1 shard, replication factor 3
2) all nodes are 16GB RAM, 4 core
3) Our production load is about 2000 requests per minute
4) index is fairly small, index size is around 400 MB with 300k documents
5) autocommit is currently set to 5 minutes (even though ideally we would
like a smaller interval).
6) the jvm runs with 8 gb Xms and Xmx with CMS gc.
7) all of this runs perfectly ok when indexing isn't happening. as soon as
we start "nrt" indexing one of the follower nodes goes down within 10 to 20
minutes. from this point on the nodes never recover unless we stop
indexing.  the master usually is the last one to fall.
8) there are maybe 5 to 7 processes indexing at the same time with document
batch sizes of 500.
9) maxRambuffersizeMB is 100, autowarmingsearchers is 5,
10) no cpu and / or oom issues that we can see.
11) cpu load does go fairly high 15 to 20 at times.
any help or pointers appreciated


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