On Wed, 2014-03-26 at 01:12 +0100, Software Dev wrote: > What are the main contributing factors for Solr Cloud generating a lot > of disk IO? > > A lot of reads? Writes? Insufficient RAM?
Searching is heavy random I/O reads, indexing is bulk reads and writes. > I would think if there was enough disk cache available for the whole > index there would be little to no disk IO. True for searching, but updates (of course) requires real storage activity. Are you perhaps doing very frequent commits? - Toke Eskildsen, State and University Library, Denmark
