-- Forwarded Message
From: Stefan Groschupf [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
Date: Wed, 17 Sep 2008 17:06:19 -0700
To: [EMAIL PROTECTED], [EMAIL PROTECTED],
[EMAIL PROTECTED], [EMAIL PROTECTED]
Subject: [ANN] katta-0.1.0 release - distribute lucene indexes in a grid
After 5
Hi Krishna,
Sorry for the delayed response. The responses are in line.
On 11/18/08 12:02 PM, Krishna Sankar (ksankar) [EMAIL PROTECTED] wrote:
Have a couple of questions on the proposed multi-tenancy feature (pardon
me if they are obvious, as I am slowly getting up to speed):
a) First,
Hi Jake,
We are in the process of releasing. The release is up for vote. As soon as
the release passes, we will put up the release.
Here is the email by Pat.
On 11/24/08 5:50 PM, Patrick Hunt [EMAIL PROTECTED] wrote:
From: Patrick Hunt [EMAIL PROTECTED]
Date: November 24, 2008 5:50:24 PM
Hi Kevin,
The interrupt exception would be thrown in case any other thread tries to
interrupt zookeeper threads during a client call (its not really
interrupting the server but interrupting the client threads). Its like any
synchronous operation that waits throwing an interrupted exception if
Does onData mean a datawatch?
onConnect
onData path: /foo, version: 4, data: '2333'
onDisconnect
onConnect
onData path: /foo, version: 4, data: '2333'
Are these the sequence of events that you get on the client?
mahadev
On 1/6/09 5:03 PM, Kevin Burton bur...@spinn3r.com wrote:
I have an
Hi Vinod,
I think what Ben meant was this--
The client will never know of a session expiration until and unless its
connected to one of the servers. So the leader cannot demote itself since
its connected to one of the servers. It might have lost its session (which
all the others except itself
The version of Jute we use is really an ancient version of recordio
ser/deser library in hadoop. We do want to move to some
better(versioned/fast/well accepted) ser/deser library.
mahadev
On 1/7/09 12:08 PM, Kevin Burton bur...@spinn3r.com wrote:
Ah... you think it was because it was empty?
Kevin,
the case you mention, the session is not really expired unless the quorum
decides to expire it. So the client assuming that the session expired would
be wrong to say. It is possible that as soon as you bring up the servers,
the client reconnects with the same session and the session is
I was going to suggest bucketing with predifined hashes.
/root/template/data/hashbucket/hash
For the issue raised by Joshua regarding the length of the output from the
server --
This is a bug. We seem to allow any number of children ( int) of a node and
the getchildren call fails to return the
Hi all,
I needed to get quotas in zookeeper 3.2.0 and wanted to see if delaying
the release by 2-3 weeks is ok with everyone?
Here is the jira for it -
http://issues.apache.org/jira/browse/ZOOKEEPER-231
Please respond if you have any issues with the delay.
thanks
mahadev
That was release 3.1 and not 3.2 :)
mahadev
On 1/15/09 4:26 PM, Mahadev Konar maha...@yahoo-inc.com wrote:
Hi all,
I needed to get quotas in zookeeper 3.2.0 and wanted to see if delaying
the release by 2-3 weeks is ok with everyone?
Here is the jira for it -
http://issues.apache.org
Hi Tom,
We prefer to discard the zookeeper instance if a session expires.
Maintaining a one to one relationship between a client handle and a session
makes it much simpler for users to understand the existence and
disappearance of ephemeral nodes and watches created by a zookeeper client.
On Thu, Feb 12, 2009 at 2:12 PM, Mahadev Konar maha...@yahoo-inc.com wrote:
Hi Tom,
We prefer to discard the zookeeper instance if a session expires.
Maintaining a one to one relationship between a client handle and a session
makes it much simpler for users to understand the existence
If client sets a watcher on a znode by doing a getData operation is it
guaranteed to get the next change after the value it read, or can a
change be missed?
The watch is just a notification that the node changed. If you do a getData
on the node, you their might have been more updates on the
Hi Joey,
here is a link to information on session timeouts.
http://hadoop.apache.org/zookeeper/docs/r3.0.1/zookeeperProgrammers.html#ch_
zkSessions
The session timeouts depends on how sensitive you want your application to
be. A very low session timeout like (1-2 seconds) might lead to your
Hi Greg,
As for cross datacenters, we have tested zookeeper cross data centers and
it works fine. The only thing is that you might have to tweak synclimit and
tickTime to a little higher values for Zookeeper.
http://hadoop.apache.org/zookeeper/docs/r3.1.0/zookeeperAdmin.html#sc_config
uration
HI Chad,
The maximum number of zookeeper servers we have tested with is 13. Even
with 13 the performance starts to degrade very quickly (compared to ensemble
of 5 and 7). I am not sure we have the current numbers (we have made 3x or
so performance improvements) but with the old number in
Hi Fernando,
Our 3.2 release is focussed more on having such recipes in a clieaner and
reliable way.
One of the jiras that focusses on this is
http://issues.apache.org/jira/browse/ZOOKEEPER-78.
We hope to add more of such recipes in 3.2.
Thanks
mahadev
On 3/6/09 2:30 PM, Fernando Padilla
Hi Raghu,
You are right that the cluster configuration is a static one. To deal with
this problem, we usually suggest that you change your configs for every
server and then re hup all of them at the same time (almost the same time I
mean). The clients would lose connections to the servers but
By re hup I mean restart.
Thanks
mahadev
On 3/13/09 4:54 PM, Mahadev Konar maha...@yahoo-inc.com wrote:
Hi Raghu,
You are right that the cluster configuration is a static one. To deal with
this problem, we usually suggest that you change your configs for every
server and then re hup all
Hi Nitay,
- Does this event happening mean my ephemeral nodes will go away?
No. the client will try connecting to other servers and if its not able to
reconnect to the servers within the remaining session timeout.
If the client is not able to connect within the remaining session timeout,
the
Isn't it the case that the client won't get session expired until it's
able to connect to a server, right? So what might happen is that the
client loses connection to the server, the server eventually expires the
client and deletes ephemerals (notifying all watchers) but the client
won't
ephemeral nodes are gone? Why not deliver the Session Expired event on the
client side after the right time has passed without communication to any
server?
On Thu, Mar 26, 2009 at 10:58 AM, Mahadev Konar maha...@yahoo-inc.comwrote:
Isn't it the case that the client won't get session expired
Please take a look at src/c/src/cli.c for some examples on zookeeper c
client usage. Also you can see the test cases.
Also
http://hadoop.apache.org/zookeeper/docs/r3.1.1/zookeeperProgrammers.html
Will give you some exmaple code for c clients.
mahadev
On 4/16/09 2:30 AM, Qian Ye
Hi raghu,
http://wiki.apache.org/hadoop/ZooKeeper/FAQ
Explains on what timeouts mean for a zookeeper client.
A timeout does not mean a closed session. The client will reconnect to
another server and then renew the session. A closed session will make the
zoookeeper handle invalid.
Hope this
Hi Qian,
I can give you an example of one of our systems that uses zookeeper
(crawling for our Yahoo! search engine). It has of the order of 4K clients -
expecting to grow to 8K to 12K. Their write load is around 100 writes/sec
(this is pretty low) and 4K reads/sec (max reads) with an ensemble
HI Satish,
A zookeeper client usually has a very small footprint for memory and cpu.
The mutithreaded version of zookeeper client creates an internal thread to
do the io and callbacks. I would suggest using the same zookeeper client
across the objects to have less number of threads in your
Hi Raghu and Ted,
Theire is already an open jira on this --
http://issues.apache.org/jira/browse/ZOOKEEPER-107
You can go through the suggestions on it and can continue the discussion on
the jira. Please feel free to add your ideas to the jira.
Also, I don't think anyone is working on it (to
Hi Satish,
Is the re generation of state in production something that is not
acceptable? Copying over the whole datadir and datalogdir as it is
maintaining the dirctory structure would be necessary.
Also, in general this is a bad idea (just to warn you) since you would have
to be careful with
from the pre-production
cluster
and write to the production one is much more sound. If you can't do that,
you may need to rethink your processes since they are likely to be delicate
for other reasons as well.
On Mon, May 4, 2009 at 2:35 PM, Mahadev Konar maha...@yahoo-inc.com
wrote:
So
Hi David,
I second this. If you folks want to host at http://scala-tools.org we'd be
happy to host this non-Scala but super mega interesting and valuable
project. We'll even do builds on our hudson server.
We have had plans to publish our release on maven repos but havent had the
time to
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
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
Hi Marc,
The only thing missing would be testing and support. We do most of our
testing on linux boxes and for the same reason its easy for us to support
the platforms that we use. We do not have access to windows boxes to test
and (therefore) support windows as a suggested production platform.
Hi Harold,
As Henry mentioned, what acl's provide you is preventing access to znodes.
If someone has access to zookeeper's data stored on zookeeper's server
machines, they should be able to resconstruct the data and read it (using
zookeeper deserialization code).
I am not sure what kind of
Hi Harold,
Let me explain the whole concept of ZooKeeper Acls.
1) Zookeeper servers are run using some user id say X
2) zookeeper client use ZooKeeper client libaryr to create zookeeper nodes
on zookeeper servers. They could be running as user id C. They can provide
acl's to create such nodes
, 2009 at 2:22 AM, Mahadev Konar maha...@yahoo-inc.com wrote:
Hi Qian,
What issues do you face? I have never tried compiling with the
configuration below, but I could give it a try in my free time to see if I
can get it to compile.
mahadev
On 7/6/09 7:37 AM, Qian Ye yeqian
Hi Erik,
I am not sure if that would a considerable opitmization but even if you
wanted to do it, it would be much more than just adding a check in the
constructor (the serialization/deserialization would need to have
specialized code). Right now all the datanodes are treated equally for
Also are there any performance numbers of zookeeeper based queues. How does
it compare with JMS.
thanks
Kishore G
Hi Kishore,
We do not have any performance number fr queues on zookeeper. I think you
can get a rough idea of those numbers from your usage of zookeeper (number
of reads/writes
Both of the options that Scott mentioned are quite interesting. Quite a few
of our users are interested in these two features. I think for 2, we should
be able to use observers with a subscription to the master cluster with
interested in a special subtree. That avoids too much of cross talk.
Hi folks,
We just discovered a bug in 3.2 release
http://issues.apache.org/jira/browse/ZOOKEEPER-484.
This bug will affect your clients whenever they switch zookeeper servers -
from a zookeeper server that is a follower to a server that is leader. We
should have a fix out by next week in
Hi Todd,
Yes this happens with the branch 3.2. The test-patch link is broken
becasuse of the hadoop split. This file is used for hudson test environment.
It isnt used anywhere else, so the svn co otherwise should be fine. We
should fix it anyways.
Thanks
mahadev
On 7/30/09 2:57 PM, Todd
This looks like a bug. Does this happen without doing any reads/writes using
the zookeeper handle?
Please do open a jira for this.
Thanks
mahadev
On 8/2/09 10:53 PM, Michi Mutsuzaki mi...@cs.stanford.edu wrote:
Hello,
I'm doing something like this (using zookeeper-3.2.0):
zhandle_t*
Hi Qian,
There isnt any such api. We have been thinking abt adding an api on
cancelling a cleints watches. We have been thinking about adding a proc
filesystem wherein a cleintt will have a list of all the watches. This data
can be used to know which clients are watching what znode, but this has
Hi Todd,
You can use jmx to to find such information. Also you can just do this
Echo stat | nc localhost clientport
To get status from the zookeeper servers. This is all documented in the
forrest docs at
http://hadoop.apache.org/zookeeper/docs/r3.1.1/zookeeperAdmin.html
Hope this helps.
Hi Satish,
Connectionloss is a little trickier than just retrying blindly. Please
read the following sections on this -
http://wiki.apache.org/hadoop/ZooKeeper/ErrorHandling
And the programmers guide:
http://hadoop.apache.org/zookeeper/docs/r3.1.1/zookeeperProgrammers.html
To learn more
they to long to add to email at
this time. Unfortunately I am having completely different issues now
with the servers not shutting down. When I get past that and if I run
into this issue again I will give more details.
Thanks.
-Original Message-
From: Mahadev Konar
HI todd,
From what I understand, you are sayin that a creator_all_acl does not work
with auth?
I tried the following with CREATOR_ALL_ACL and it seemed to work for me...
import org.apache.zookeeper.CreateMode;
import org.apache.zookeeper.WatchedEvent;
import org.apache.zookeeper.Watcher;
Hi Le,
Is there some chance of the these servers not being able to talk to each
other? IS the zookeeper prcoess running on debian-1? What error do you see
on debian-1?
The connection refused error suggests that debian-0 is not able to talk to
debian-1 machine.
Thanks
mahadev
On 9/23/09
Hi Leonard,
You should be able to set the ZOO_LOG_DIR as an environment variable to
get a different log directory. I think you are using bin/zkServer.sh to
start the server?
Also, please open a jira for this. It would be good to fix the documentation
for this.
Thanks
mahadev
On 10/16/09
} \
-cp $CLASSPATH $JVMFLAGS $ZOOMAIN $ZOOCFG
I double checked by echo'ing the value of ZOO_LOG_DIR just before the java
command. It's set correctly ... but it has no effect on the location of
zookeeper.log :-(
Leonard
On 10/16/09 11:08 AM, Mahadev Konar maha...@yahoo-inc.com wrote
log4j.appender.FILE.layout=org.apache.log4j.PatternLayout
log4j.appender.FILE.layout.ConversionPattern=%d{ISO8601} - %-5p
[%t:%c...@%l] - %m%n
Will let you log to the output directory $dir.
Hope that helps!
mahadev
On 10/16/09 11:35 AM, Mahadev Konar maha...@yahoo-inc.com wrote:
Hi Leonard,
Looks
and forgotten that I'd done so.
Thanks for your attention.
Leonard
On 10/16/09 11:35 AM, Mahadev Konar maha...@yahoo-inc.com wrote:
Hi Leonard,
Looks like you are right. bin/zkServer.sh just logs the output to console,
so you should be able to redirect to any file you want. No?
Anyways
HI Mark,
ZooKeeper does not create the myid file in the data directory.
Looking at the config file it looks like it is missing the quorum
configuration for other servers.
Please take alook at
http://hadoop.apache.org/zookeeper/docs/r3.2.1/zookeeperAdmin.html#sc_zkMuli
tServerSetup
You will
Hi Siddharth,
Usually the time of releasing the port is dependent on the OS. So you can
try sleeping a few more seconds to see if the port has been released or it
.. Or just poll on the port to see if its in use or not There isnt an
easier way to restart on the same port.
mahadev
On
Hi Hamoun,
Can you please mention which link is broken? Are you a looking for a
zookeeper tree browser?
Pat created a dashboard for zookeeper at github. Below is the link:
http://github.com/phunt/zookeeper_dashboard
Also, there is an open jira for a zookeeper browser which you can try
Hi all,
We are planning to make a bugfix release 3.2.2 which will include a
critical bugfix in the c client code. The jira is ZOOKEEPER-562,
http://issues.apache.org/jira/browse/ZOOKEEPER-562.
If you would like some fix to be considered for this bugfix release please
feel free to post on the
Hi Maarten,
zkfuse does not have any support for acls. We havent had much time to
focus on zkfuse. Create/read/write/delete/ls are all supported. It was built
mostly for infrequent updates and more of a browsing interface on
filesystem. I don't think zkfuse is being used in production anywhere.
Hi ohad,
there isnt a way to get a selected set of children from the servers. So
you will have to get all of them and filter out the unwanted ones. Also,
what Steve suggested in the other email might be useful for you.
Thanks
mahadev
On 12/23/09 12:29 AM, Ohad Ben Porat o...@outbrain.com
Hi Adam,
That seems fair to file as an improvement. Running 'stat' did return the
right stats right? Saying the servers werent able to elect a leader?
mahadev
On 1/13/10 11:52 AM, Adam Rosien a...@rosien.net wrote:
On a related note, it was initially confusing to me that the server
Hi Vijay,
Unfortunately you wont be able to keep running the observer in the other
DC if the quorum in the DC 1 is dead. Most of the folks we have talked to
also want to avoid voiting across colos. They usually run two instances of
Zookeeper in 2 DC's and copy state of zookeeper (using a bridge)
Hi kay,
the namespace partitioning in zookeeper has been on a back burner for a
long time. There isnt any jira open on it. There had been some discussions
on this but no real work. Flavio/Ben have had this on there minds for a
while but no real work/proposal is out yet.
May I know is this
Hi Josh,
This warning is not of any concern. Just a quick question, is there any
reason for you to runn the server on a DEBUG level?
Thanks
mahadev
On 1/22/10 5:19 PM, Josh Scheid jsch...@velocetechnologies.com wrote:
Is it normal for client session close() to cause a server exception?
at:
http://wiki.apache.org/hadoop/ZooKeeper/ServiceLatencyOverview
You can take a look at that as well and see what the expected performance
should be for your workload.
Thanks
mahadev
On 1/22/10 5:40 PM, Josh Scheid jsch...@velocetechnologies.com wrote:
On Fri, Jan 22, 2010 at 17:22, Mahadev
Qian,
ZooKeeper gurantees that if a client sees some transaction response, then
it will persist but the one's that a client does not see might be discarded
or committed. So in case a quorum does not log the transaction, there might
be a case wherein a zookeeper server which does not have the
Hi all,
I had been working on zookeeper-22 and found out that it needs quite a few
extensive changes. We will need to do some memory measurements to see if it
has any memory impacts or not.
Since we are targetting 3.3 release for early march, ZOOKEEPER-22 would be
hard to get into 3.3. I am
Hi martin,
a call like getchildren(final String path, Watcher watcher,
ChildrenCallback cb, Object ctx)
Means that set a watch on this node for any further changes on the server. A
client will see the response to getchildren data before the above watch is
fired.
Hope that helps.
Thanks
at 11:26 AM, Mahadev Konar maha...@yahoo-inc.com wrote:
I also looked at the logs. Ted might have a point. It does look like that
zookeeper server's are doing fine (though as ted mentions the skew is a
little concerning, though that might be due to very few packets served by
the first server). Other
Hi Martin,
How about this-
you have resources in the a directory (say /locks)
each process which needs to lock, lists all the children of this directory
and then creates an ephemeral node called /locks/resource1/lock depending on
which resource it wants to lock.
This ephemeral node will
waite@googlemail.com wrote:
Hi Mahadev,
That is interesting. All I need to do is hold the connection for the
required time of a session that created an ephemeral node.
Zookeeper is an interesting tool.
Thanks again,
Martin
On 24 February 2010 17:00, Mahadev Konar maha...@yahoo
Hi martin,
Currently you cannot access the server that the client is connected to.
This was fixed in this jira
http://issues.apache.org/jira/browse/ZOOKEEPER-544
But again this does not tell you if you are connected to the primary or the
other followers. So you will anyway have to do some
Hi David,
There is an implementation for locks and queues in src/recipes. The
documentation residres in src/recipes/{lock/queue}/README.txt.
Thanks
mahadev
On 3/2/10 1:04 PM, David Rosenstrauch dar...@darose.net wrote:
Was reading through the zookeeper docs on the web - specifically the
Hi Martin,
As Ted rightly mentions that ZooKeeper usually is run within a colo because
of the low latency requirements of applications that it supports.
Its definitely reasnoble to use it in a multi data center environments but
you should realize the implications of it. The high latency/low
21:43, Mahadev Konar maha...@yahoo-inc.com wrote:
Hi Martin,
As Ted rightly mentions that ZooKeeper usually is run within a colo
because
of the low latency requirements of applications that it supports.
Its definitely reasnoble to use it in a multi data center environments but
you should
to better than zk does and still
maintain correctness.
Do note that you can, probalbly bias client to use a local server. That
should make things more efficient.
Sent from my iPhone
On Mar 7, 2010, at 3:00 PM, Mahadev Konar maha...@yahoo-inc.com wrote:
The inter-site links
Hi David,
We don't really have a mock test ZooKeeper client which does not do any
I/O. We have been thinking about using mockito sometime soon to use for this
kind of testing, but currently there is none.
Thanks
mahadev
On 3/9/10 2:23 PM, David Rosenstrauch dar...@darose.net wrote:
Just
Hi Karthik,
You can use bin/zkCli.sh which provides a nice command line shell
interface for executing commands.
Thanks
mahadev
On 3/26/10 9:42 AM, Karthik K oss@gmail.com wrote:
Hi -
I am looking to delete a node (say, /katta) from a running zk ensemble
altogether and curious if
Great.
I was just responding with a different soln:
'---
Looks like the fatjar does not include junit class. Also, the -jar option
does not use the classpath environment variable.
Here is an excerpt from the man page of java:
-jar
Execute a program encapsulated in
Hi Thomas,
There are a couple of projects inside Yahoo! that use ZooKeeper as an
event manager for feed processing.
I am little bit unclear on your example below. As I understand it-
1. There are 1 million feeds that will be stored in Hbase.
2. A map reduce job will be run on these feeds to
Hi Charity,
Looks like you are hitting a bug recently found in 3.3.0.
https://issues.apache.org/jira/browse/ZOOKEEPER-737
Is the bug, wherein the server does not show the right status. Looks like in
your case the server is running fine but bin/zkserver.sh status is not
returning the right
Hi Hao,
As Vishal already asked, how are you determining if the writes are being
received?
Also, what was the status of C2 when you checked for these writes? Do you
have the output of echo stat | nc localhost port?
How long did you wait when you say that C2 did not received the writes? What
Ok, I think this is possible.
So here is what happens currently. This has been a long standing bug and
should be fixed in 3.4
https://issues.apache.org/jira/browse/ZOOKEEPER-335
A newly elected leader currently doesn't log the new leader transaction to
its database
In your case, the
I think we should be using zookeeper locks to create jiras :) . Looks
like both of you created one!!! :)
Thanks
mahadev
On 4/22/10 1:37 PM, Patrick Hunt ph...@apache.org wrote:
No problem.
https://issues.apache.org/jira/browse/ZOOKEEPER-752
I've seen alot of traffic on
Hi Vishal and Ashanka,
I think Ted and Pat had somewhat comentted on this before.
Reiterating these comments below. If you are ok with these points I see no
concern in ZooKeeper as an embedded application.
Also, as Pat mentioned earlier there are some cases where the server code
will
That's true!
Thanks
mahadev
On 4/23/10 11:41 AM, Asankha C. Perera asan...@apache.org wrote:
Hi Mahadev
I think Ted and Pat had somewhat comentted on this before.
Reiterating these comments below. If you are ok with these points I see no
concern in ZooKeeper as an embedded
HI Avinash,
The zk client does itself maintain liveness information and also
randomizes the list of servers to balance the number of clients connected to
a single ZooKeeper server.
Hope that helps.
Thanks
mahadev
On 4/27/10 10:56 AM, Avinash Lakshman avinash.laksh...@gmail.com wrote:
Let's
We do set that Chad but it doesn't seem to help on some systems (especially
bsd)...
Thanks
mahadev
On 4/29/10 11:22 AM, Chad Harrington chad.harring...@gmail.com wrote:
On Thu, Apr 29, 2010 at 8:49 AM, Patrick Hunt ph...@apache.org wrote:
This is not foolproof however. We found that in
Hi Lei,
In this case, the Leader will be disconnected from ZK cluster and will give
up its leadership. Since its disconnected, ZK cluster will realize that the
Leader is dead!
When Zk cluster realizes that the Leader is dead (this is because the zk
cluster hasn't heard from the Leader for a
, neither the leader nor the slaves will be considered
disconnected because they can all connect to ZK.
Thanks,
Lei
On 4/30/10 3:47 PM, Mahadev Konar maha...@yahoo-inc.com wrote:
Hi Lei,
In this case, the Leader will be disconnected from ZK cluster and will give
up its leadership
connect to ZK.
Thanks,
Lei
On 4/30/10 3:47 PM, Mahadev Konar maha...@yahoo-inc.com wrote:
Hi Lei,
In this case, the Leader will be disconnected from ZK cluster and will give
up its leadership. Since its disconnected, ZK cluster will realize that the
Leader is dead!
When Zk
Hi Dave,
Just a question on how do you see it being used, meaning who would call
addserver and removeserver? It does seem useful to be able to do this. This
is definitely worth working on. You can link it as a subtask of
ZOOKEEPER-107.
Thanks
mahadev
On 5/3/10 7:03 AM, Dave Wright
Yeah, that was one of the ideas, I think its been on the jira somewhere ( I
forget)... But could be and would definitely be one soln for it.
Thanks
mahadev
On 5/3/10 2:12 PM, Ted Dunning ted.dunn...@gmail.com wrote:
Should this be a znode in the privileged namespace?
On Mon, May 3, 2010 at
Sure, Ill take a look at it.
Thanks
mahadev
On 5/4/10 2:32 PM, Patrick Hunt ph...@apache.org wrote:
Thanks Kapil, Mahadev perhaps you could take a look at this as well?
Patrick
On 05/04/2010 06:36 AM, Kapil Thangavelu wrote:
I've constructed a simple example just using the zkpython
Hi Adam,
I don't think zk is very very hard to get right. There are exmaples in
src/recipes which implements locks/queues/others. There is ZOOKEEPER-22 to
make it even more easier for application to use.
Regarding re registration of watches, you can deifnitely write code and
submit is as a part
I just emailed in...@apache to ask for there help on this. I wasn't able to
figure out what the problem is!
Thanks for pointing it out.
mahadev
On 5/11/10 4:01 PM, Sudipto Das sudi...@cs.ucsb.edu wrote:
Hi,
I am trying to download some presentation slides from the
ZookeeperPresentations
Hi Dominic,
Good to see this. I like the name cages :).
You might want to post to the list what cages is useful for. I think quite a
few folks would be interested in something like this. Are you guys currently
using it with cassandra?
Thanks
mahadev
On 5/11/10 4:02 PM, Dominic Williams
Hi Jordan,
Can you create a jira for this? And attach all the server logs and client
logs related to this timeline? How did you start up the servers? Is there
some changes you might have made accidentatlly to the servers?
Thanks
mahadev
On 5/12/10 10:49 AM, Jordan Zimmerman
Hi Aaaron,
Each of the requests and response between client and servers is sent an
(buflen, buffer) packet. The content of the packets are then deserialized
from this buffer.
Looks like the size of the packet (buflen) is big in yoru case. We usually
avoid sending/receiving large packets just
Hi Rakhi,
You can read more abt monitoring zookeeper servers at
http://hadoop.apache.org/zookeeper/docs/r3.3.0/zookeeperAdmin.html#sc_monito
ring
Thanks
mahadev
On 5/14/10 4:09 AM, Rakhi Khatwani rkhatw...@gmail.com wrote:
Hi,
I just went through the zookeeper tutorial and
Hi Nick,
These threads are spawned with each zookeeper client handle. As soon as you
create a zookeeper client object these threads are spawned.
Are yu creating too many zookeeper client objects in your application?
Htanks
mahadev
On 5/20/10 11:30 AM, Nick Bailey nicholas.bai...@rackspace.com
1 - 100 of 135 matches
Mail list logo
