I have myself seen this CLOSE_WAIT issue at a customer. I am running some tests with different versions trying to pinpoint the cause of this leak. Once I have some more information and a reproducible test, I'll open a jira issue. I'll keep you posted.
On Thu, Jul 7, 2016 at 5:13 PM, Mads Tomasgård Bjørgan <m...@dips.no> wrote: > Hello there, > Our SolrCloud is experiencing a FD leak while running with SSL. This is > occurring on the one machine that our program is sending data too. We have > a total of three servers running as an ensemble. > > While running without SSL does the FD Count remain quite constant at > around 180 while indexing. Performing a garbage collection also clears > almost the entire JVM-memory. > > However - when indexing with SSL does the FDC grow polynomial. The count > increases with a few hundred every five seconds or so, but reaches easily > 50 000 within three to four minutes. Performing a GC swipes most of the > memory on the two machines our program isn't transmitting the data directly > to. The last machine is unaffected by the GC, and both memory nor FDC > doesn't reset before Solr is restarted on that machine. > > Performing a netstat reveals that the FDC mostly consists of > TCP-connections in the state of "CLOSE_WAIT". > > > -- Regards, Shalin Shekhar Mangar.