Hi Dario,
I just had a peek at the thread dump, and it appear that it was not captured
during the frozen period. Is that correct? If captured when the system
appears frozen, it will show information about what the threads are doing or
waiting for.
Thanks,
David
On Wed, Apr 13, 2011 at 2:50 AM,
Hi Tobias,
Here's the thread dump you asked for. Thank you for taking a look at this.
Cheers,
Dario
Am 12.04.11 22:16 schrieb Tobias Ivarsson unter
tobias.ivars...@neotechnology.com:
Hi Dario,
Looking at that picture it is indeed clear that a number of threads are
waiting for
Hey,
Somehow my attached files always get deleted. Heres the dump:
https://gist.github.com/917199
Cheers,
Dario
Am 13.04.11 10:30 schrieb Dario Rexin unter dario.re...@xing.com:
Hi Tobias,
Here's the thread dump you asked for. Thank you for taking a look at this.
Cheers,
Dario
Hi Dario,
This dump looks perfectly fine, the expected threads are there, but they are
all idle waiting for work.
When I asked for a thread dump, I wanted one from when the server was under
load and you experienced problems. Sorry for not being clear about that.
Cheers,
Tobias
On Wed, Apr 13,
Hi Tobias,
I was already sending requests to the server in the last dump. Here is
another, hopefully this one is more helpful. The longer I request data, the
longer it takes for the server to answer. After some time it frequently
freezes for up to several seconds without answering to any of the
That one looks much more interesting. I'm too tired right now, but I'll look
at it tomorrow.
On Wed, Apr 13, 2011 at 11:50 AM, Dario Rexin dario.re...@xing.com wrote:
Hi Tobias,
I was already sending requests to the server in the last dump. Here is
another, hopefully this one is more
Hi all,
Due to huge performance issues with some of our neo queries I profiled my calls
on the neo server. The profiling shows, that up to 85% of the time the threads
are waiting for other threads. I don’t understand what’s going on there.
Hopefully someone with a deeper knowledge can help me.
-
From: user-boun...@lists.neo4j.org [mailto:user-boun...@lists.neo4j.org] On
Behalf Of Dario Rexin
Sent: Tuesday, April 12, 2011 12:36 PM
To: Neo4j user discussions
Subject: [Neo4j] Neo Server slow on frequent requests
Hi all,
Due to huge performance issues with some of our neo queries I
Hi Dario,
Looking at that picture it is indeed clear that a number of threads are
waiting for something. What is not shown is the more important information
about *what* they are waiting for. I would love to get information like that
in order to investigate the cause of the performance problem
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