On 12/14/2016 7:12 AM, moscovig wrote: > Shawn, thanks for the reply > > Please take a look at that post. It's describing the same issue with ES > > They describe the issue as "dentry cache is bloating memory" > > https://discuss.elastic.co/t/memory-usage-of-the-machine-with-es-is-continuously-increasing/23537/5
They concluded that it was not a problem in ES or Lucene. It's an OS issue, and is mostly only an annoyance, because the memory is reclaimable. If the amount of memory involved is very large, apparently that can cause long stop-the-world pauses as the memory is automatically cleaned up by the OS. There is absolutely nothing that Solr or Lucene (or even ES) can do about this issue. It is perfectly normal for programs to check for the existence of files that do not actually exist at that moment of the check. The issues that can be reached from that post say that attempting to stat nonexistent files is the trigger for the problem in the OS. Updating your OS to the newest update packages (and probably rebooting) might fix it. Thanks, Shawn
