On 22.11.2016 14:54, Max Bridgewater wrote: > test cases were exactly the same, the machines where exactly the same and > heap settings exactly the same (Xms24g, Xmx24g). Requests were sent with
Setting heap too large is a common error. Recent Solr use the filesystem cache, so you don't have to set heap to the size of the index. The avalible RAM has to be able to run the OS, run the jvm and hold most of the index data in filesystem cache. If you have 32GB RAM and a 20GB Index, then set -Xms never higher than 10GB. I personally would set -Xms to 4GB and omit -Xmx
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