As Otis mentioned, its obviously good to run Optimization once in a while
or when you are done with most of your heavy indexing operation. Its not
concern with the Disk Capacity rather with the IO and seeking in segements,
When comparably it has less segments to query the IO operation will be less
Hi,
We have SolrCloud cluster (5 shards and 2 replicas) on 10 boxes. On some of the
boxes we have about 5 million deleted docs and we have never run optimization
since beginning. Does number of deleted docs have anything to do with
performance of query? Should we consider optimization at all
Hi,
I don't remember last time I ran optimize. Sure, yes, things will work
faster if you optimize an index and reduce the number of segments, but if
you are regularly writing to that index and performance is OK, leave it to
Lucene segment merges to purge deletes.
Otis
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Performance Monitoring
