Hi Ben,
... inline ...
2009/5/29 Benjamin Reed :
> this is great to hear. it's great to see siblings playing together ;)
>
>> * In CXF we use Maven to build everything. To depend on Zookeeper we
>> need to pull it in from a Maven repository. I couldn't find Zookeeper
>> in any main Maven repos, s
I am running a 5 node ZooKeeper cluster and I noticed that one of them has
very high CPU usage:
PID USER PR NI VIRT RES SHR S %CPU %MEMTIME+ COMMAND
6883 infact 22 0 725m 41m 4188 S 95 0.5
5671:54 java
It is not "doing anything" application-wise at this
I have seen this when I was over-loading our zookeeper instance. When total
data or total number of files gets large, the system can wind up in GC
almost permanently. Zookeeper being Zookeeper, it does an amazing job of
keeping on, but eventually things go bad.
To test if this is your problem, y
can you attach the jstack output? it seems to be missing from your email.
ben
Satish Bhatti wrote:
I am running a 5 node ZooKeeper cluster and I noticed that one of them
has very high CPU usage:
PID USER PR NI VIRT RES SHR S %CPU %MEMTIME+ COMMAND
6883 infact 22
Hey Ben,
Strange you didn't get the attachment, my gmail is showing the paper clip
thingy for that message. ANyway, I have pasted the whole jstack output into
this email, since it's pretty small.
Satish
2009-06-02 11:56:26
Full thread dump Java HotSpot(TM) 64-Bit Server VM (1.6.0_03-b05 mixed
mo
Mailing lists like this often strip attachments.
On Tue, Jun 2, 2009 at 1:29 PM, Satish Bhatti wrote:
> Hey Ben,
> Strange you didn't get the attachment, my gmail is showing the paper clip
> thingy for that message. ANyway, I have pasted the whole jstack output
> into
> this email, since it's p
Hey Ted,
I have a grand total of 3 files, each holding a single long! Could it
really be in gc hell because of this? I passed in -Xmx256m on the command
line.
Satish
On Tue, Jun 2, 2009 at 12:52 PM, Ted Dunning wrote:
> I have seen this when I was over-loading our zookeeper instance. When
>
I am sooo glad I put in the fourth item. This is clearly not overload in
that sense.
Do you have logs from the ZK?
What does the stat command return (telnet to the ZK inquestion, type "stat"
(without the quotes)).
On Tue, Jun 2, 2009 at 1:35 PM, Satish Bhatti wrote:
> I have a grand total of
stat
Zookeeper version: 3.1.1-755636, built on 03/18/2009 16:52 GMT
Clients:
/127.0.0.1:42460[1](queued=0,recved=0,sent=0)
/172.16.0.178:34283[1](queued=0,recved=925109,sent=925109)
Latency min/avg/max: 0/0/220
Received: 925109
Sent: 925109
Outstanding: 0
Zxid: 0x50051c7b3
Mode: follower
Node co
Hi Satish,
Can you attach this trace to a jira? Please open one for this. Also, can
you do the following -
For all the threads for the zookeeper server you are seeing the problem on,
Can you do an strace on all the threads and see which thread is spinning?
Also, can you upload the configs of t
Are the sent and received numbers going up quickly?
What is the second client doing?
On Tue, Jun 2, 2009 at 1:49 PM, Satish Bhatti wrote:
> stat
> Zookeeper version: 3.1.1-755636, built on 03/18/2009 16:52 GMT
> Clients:
> /127.0.0.1:42460[1](queued=0,recved=0,sent=0)
> /172.16.0.178:34283[1]
Created a Jira and attached logile + jstack file to it.
https://issues.apache.org/jira/secure/ManageAttachments.jspa?id=12426974
On Tue, Jun 2, 2009 at 1:50 PM, Mahadev Konar wrote:
> Hi Satish,
> Can you attach this trace to a jira? Please open one for this. Also, can
> you do the following -
According to your trace I see you are using jvm 1.6.0_03-b05
One of the bugs fixed in:
http://java.sun.com/javase/6/webnotes/6u4.html
specifically:
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6403933
seems to have a description very close to what you are seeing.
Perhaps you can try runnin
[inf...@df3-8 infact]$ echo stats | nc localhost 2181
Zookeeper version: 3.1.1-755636, built on 03/18/2009 16:52 GMT
Clients:
/127.0.0.1:33139[1](queued=0,recved=0,sent=0)
/172.16.0.178:34283[1](queued=0,recved=925371,sent=925371)
Latency min/avg/max: 0/0/220
Received: 925371
Sent: 925382
Outsta
Hey guys,
We are getting a lot of messages like this in HBase:
[junit] 2009-06-02 11:57:23,658 ERROR [NIOServerCxn.Factory:21810]
server.NIOServerCnxn(514): Client has seen zxid 0xe our last zxid is 0xd
For more context, the block it usually appears in is:
[junit] 2009-06-02 13:27:54,083 IN
Hi Nitay,
This is not an error but should be a warning. I have opened up a jira for
it.
http://issues.apache.org/jira/browse/ZOOKEEPER-428
The message just says that a client is connecting to a server that is behind
that a server is was connected to earlier. The log should be warn and not
erro
I see. That helps. However, even as warnings, these go on seemingly
endlessly. Why do they not get fixed by themselves? What are we doing wrong
here?
On Tue, Jun 2, 2009 at 2:24 PM, Mahadev Konar wrote:
> Hi Nitay,
> This is not an error but should be a warning. I have opened up a jira for
> it
I think my last message got bounced...
They should get fixed automatically. Are you shutting downm servers often in
your unit test? A client should be avle to connect to some other server
which
is more recnet. Whats the reason behind your question that it isnt getting
fixed by itself?
mahade
This log manifests if the client is running ahead of the server.
say you have:
1) client connects to server A and sees some changes
2) client gets disconnected from A and attempts to connect to B
3) B can be running behind A by some number of changes (it will
eventually catch up)
4) client will
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