Is this just OpenJDK? Not in HotSpot?
David Webster
Union Pacific Railroad
Lead Architect-Systems Engineering
Phone: (402) 544-1094 | Email: dawebster(a)up.com
From: Elias Ross <genman(a)noderunner.net>
To: "rhq-devel(a)lists.fedorahosted.org"
<rhq-devel(a)lists.fedorahosted.org>
Cc: "rhq-users(a)lists.fedorahosted.org"
<rhq-users(a)lists.fedorahosted.org>
Date: 09/18/2013 10:14 AM
Subject: Re: JDK 7u40 bug
Sent by: rhq-devel-bounces(a)lists.fedorahosted.org
On Wed, Sep 18, 2013 at 7:25 AM, John Sanda <jsanda(a)redhat.com> wrote:
I just learned about a NIO bug[1] in the latest JDK 7u40 release that
could impact RHQ. The storage node makes extensive use of java.nio as does
the client library used by the RHQ server. Just something of which to be
aware if you are running on Java 7 u40.
The file descriptor count would have to be over 64k, which I suppose could
happen, though for that most people would need a much higher ulimit. All
64k would have to be in use, not just created as POSIX says you have to
reuse closed file descriptors.
By the way, it looks like RHQ uses about one socket per connection, and
about 1000 file descriptors (jar files etc.) out of the box.
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