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From Shalin Shekhar Mangar <>
Subject Re: File Descriptor/Memory Leak
Date Thu, 07 Jul 2016 14:32:27 GMT
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 <> 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".

Shalin Shekhar Mangar.

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