Lucene segment merges cause both reads and writes. If you look at SPM, you'll see the number of index files and the number of segments, which will give you an idea what's going on at that level.
Otis -- Performance Monitoring * Log Analytics * Search Analytics Solr & Elasticsearch Support * http://sematext.com/ On Tue, Mar 25, 2014 at 8:12 PM, Software Dev <static.void....@gmail.com>wrote: > What are the main contributing factors for Solr Cloud generating a lot > of disk IO? > > A lot of reads? Writes? Insufficient RAM? > > I would think if there was enough disk cache available for the whole > index there would be little to no disk IO. >
