Re: ZooKeeper 3.0.0 code freeze EOD thursday? (Oct16)

2008-10-15 Thread Mahadev Konar
EOD tomm might be a little aggressive :). Lets see if we can make it. mahadev On 10/15/08 12:23 PM, Patrick Hunt [EMAIL PROTECTED] wrote: We're down to 6 JIRAs for 3.0.0 of ZooKeeper, that's 95 issues resolved out of 101 for this release! Great job everyone!! We are on track for our

Re: [VOTE] Release ZooKeeper 3.0.0 (candidate 0)

2008-10-22 Thread Mahadev Konar
+1 mahadev On 10/22/08 8:59 AM, Benjamin Reed [EMAIL PROTECTED] wrote: +1 -Original Message- From: Patrick Hunt [mailto:[EMAIL PROTECTED] Sent: Tuesday, October 21, 2008 11:29 PM To: zookeeper-dev@hadoop.apache.org Subject: [VOTE] Release ZooKeeper 3.0.0 (candidate 0) I've

Re: [VOTE] Release ZooKeeper 3.0.1 (candidate 1)

2008-11-24 Thread Mahadev Konar
+1 .. I ran ant test and some command line testing on a quorum of 3 on a single node. mahadev On 11/24/08 5:50 PM, Patrick Hunt [EMAIL PROTECTED] wrote: I've created a second candidate build for ZooKeeper 3.0.1. *** Please download, test and VOTE before the *** vote closes EOD on Friday,

Re: ZooKeeper (not) on wikipedia

2008-11-25 Thread Mahadev Konar
Great!! Go ahead. mahadev On 11/25/08 4:57 PM, Krishna Sankar (ksankar) [EMAIL PROTECTED] wrote: If no one has done it, I will take a first cut at it. |-Original Message- |From: Patrick Hunt [mailto:[EMAIL PROTECTED] |Sent: Tuesday, November 25, 2008 3:26 PM |To:

Re: ZooKeeper SVN revision

2008-12-08 Thread Mahadev Konar
Hi Nitay, We already have an open jira for this. http://issues.apache.org/jira/browse/ZOOKEEPER-241 This should be fixed in the next release. thanks Mahadev On 12/8/08 12:08 AM, Nitay [EMAIL PROTECTED] wrote: Hey folks, I'm working on integrating ZooKeeper into HBase. I've become a

Delaying 3.2 release by 2 to 3 weeks?

2009-01-15 Thread Mahadev Konar
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

Re: Delaying 3.1 release by 2 to 3 weeks?

2009-01-15 Thread Mahadev Konar
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

Re: Delaying 3.1 release by 2 to 3 weeks?

2009-01-16 Thread Mahadev Konar
From: Mahadev Konar [maha...@yahoo-inc.com] Sent: Thursday, January 15, 2009 4:32 PM To: zookeeper-dev@hadoop.apache.org Cc: zookeeper-u...@hadoop.apache.org Subject: Re: Delaying 3.1 release by 2 to 3 weeks? That was release 3.1 and not 3.2 :) mahadev On 1/15/09 4:26 PM

Re: Delaying 3.1 release by 2 to 3 weeks?

2009-01-16 Thread Mahadev Konar
delay. it would be good to try out quotas for a bit before we do the release. quotas are also a key part of the release. 3 weeks seem a little long though. ben From: Mahadev Konar [maha...@yahoo-inc.com] Sent: Thursday, January 15, 2009 4:32 PM

Re: [jira] Updated: (ZOOKEEPER-252) PurgeTxnLog is not handling the new dataDir directory structure

2009-01-27 Thread Mahadev Konar
these methods are already there in that revision. Is there any patch available that can be applied to 3.0.1 directly? If not, I can try and use the dataDir directly (but I guess there was a reason why it was changed). Thank you, Manos Mahadev konar (JIRA) wrote: [ https

Re: setACL semantics

2009-02-10 Thread Mahadev Konar
? Patrick Mahadev Konar wrote: HI Manos, The accepting of a txn for being processed does not mean that the txn has been accpeted by the quorum and has been applied to the quorum servers. So, it is very much possible that one of the client changes an acl on a node and the other client

Re: ACL issue in C client (re 3.1 candidate)

2009-02-10 Thread Mahadev Konar
+1 to ben's suggestion. We can go ahead with 3.1.0 and make a 3.1.1 (given that it wasn't working in the prev releases as well)... mahadev On 2/10/09 6:31 PM, Benjamin Reed br...@yahoo-inc.com wrote: Chris's patch is very simple and it won't be hard to put some tests in. can we plan a bug

Re: NIO: too many open files

2009-02-17 Thread Mahadev Konar
Hi Manos, The number of open files allowed for a process can be changed. 1024 is usually a very small number. You should change that to a bigger number to enable zookeeper to run. Ulimit -a should show you the number of open files allowed. It can be changed using ulimit -n. Also, the default

Re: [VOTE] Release ZooKeeper 3.1.1 (candidate 0)

2009-03-16 Thread Mahadev Konar
+1... Passes tests for c and java on my machine. mahadev On 3/16/09 10:55 AM, Patrick Hunt ph...@apache.org wrote: +1, passes all my tests for both c and java. Patrick Stu Hood wrote: +1 Passes our integration tests. (...which don't test the C API, which is where the majority of

Re: [VOTE] Release ZooKeeper 3.1.1 (candidate 1)

2009-03-23 Thread Mahadev Konar
+1, the java and c tests pass on my machine. mahadev On 3/19/09 3:50 PM, Flavio Junqueira f...@yahoo-inc.com wrote: +1, compiles and tests pass for me. -Flavio On Mar 19, 2009, at 10:51 PM, Patrick Hunt wrote: +1, c/java tests all pass and I also specifically verified that the

Re: Mavenized build for Zookeeper.

2009-04-06 Thread Mahadev Konar
Hi Stephen, Their an open jira for turning hadoops build into a maven build process. http://issues.apache.org/jira/browse/ZOOKEEPER-103 . Our release engineering follows hadoop's build process and would like to stay with hadoop core's process so that we can get their help in release

Re: Preventing SessionExpired events

2009-04-08 Thread Mahadev Konar
Nitay, Thanks for sending us the info. We have experienced such gc problem in our HDFS (hadoop file system) setups. The gc had been quite a problem for us with the Namenode (hadoop hdfs) process. We have seen the namenode just stalling for minutes doing garbage collection. We currently run the

Re: ZooKeeper's leader election algorithm details?

2009-04-13 Thread Mahadev Konar
Hi andrew, You should be able to read about leader election in the presentation at http://wiki.apache.org/hadoop/ZooKeeper/ZooKeeperPresentations Specifically the last one at UPC. It explains the leader election in the ppt slides. We should also document it somewhere on the wiki or in our

Re: [jira] Updated: (ZOOKEEPER-437) Variety of Documentation Updates

2009-06-07 Thread Mahadev Konar
happy to help w/ docs where I can and API/usage stuff. :-) Thanks, Grant On Jun 7, 2009, at 2:48 PM, Mahadev konar (JIRA) wrote: [ https://issues.apache.org/jira/browse/ZOOKEEPER-437?page=com.atlassian.jira.p lugin.system.issuetabpanels:all-tabpanel ] Mahadev konar updated

Re: Show your ZooKeeper pride!

2009-06-08 Thread Mahadev Konar
Its just that Zookeeper mostly is used in applications which are proprietary (to Yahoo!) and so its harder to update the wiki with specifics on how it is being used. thanks mahadev On 6/8/09 7:01 PM, Ted Dunning ted.dunn...@gmail.com wrote: How come Yahoo isn't listed? On Mon, Jun 8, 2009

ZooKeeper 3.2 release.

2009-06-19 Thread Mahadev Konar
Hi all, I am proposing June 26 as a code freeze date for ZooKeeper release 3.2. Please respond if you have any objections/concerns? Here is a list of remaining jira's in 3.2. http://issues.apache.org/jira/secure/IssueNavigator.jspa?reset=truemode=hid

Re: [VOTE] Release ZooKeeper 3.2.0 (candidate 1)

2009-07-06 Thread Mahadev Konar
+1 Ran the tests and did some basic smoke testing. mahadev On 7/3/09 7:16 AM, Tom White t...@cloudera.com wrote: +1 I checked the signature, ran the Java tests, and tried the CLI. Cheers, Tom On Wed, Jul 1, 2009 at 6:39 PM, Patrick Huntph...@apache.org wrote: I have created a

Hudson Nightly Build and patch process not running.

2009-07-22 Thread Mahadev Konar
Hi all, There seems to have been a DNS issue with the machines that run the ZooKeeper nightly build and patch process. The nightly build and the patch process are not running as of now. The issue might take some time to resolve. To run through all the tests that hudsons runs through, you can use

Re: Unending Leader Elections in WAN deploy

2009-08-04 Thread Mahadev Konar
: RE: Unending Leader Elections in WAN deploy Great news. Thank you Mahadev. I'll report our findings later today. -Todd -Original Message- From: Mahadev Konar [mailto:maha...@yahoo-inc.com] Sent: Tuesday, August 04, 2009 11:20 AM To: zookeeper-u...@hadoop.apache.org Subject: Re

Re: Unending Leader Elections in WAN deploy

2009-08-04 Thread Mahadev Konar
being elected (flavio via mahadev) What can I do to assist you with this issue? -Todd -Original Message- From: Mahadev Konar [mailto:maha...@yahoo-inc.com] Sent: Tuesday, August 04, 2009 12:43 PM To: zookeeper-dev@hadoop.apache.org Subject: Re: Unending Leader Elections

Re: Unending Leader Elections in WAN deploy

2009-08-04 Thread Mahadev Konar
? -Todd -Original Message- From: Mahadev Konar [mailto:maha...@yahoo-inc.com] Sent: Tuesday, August 04, 2009 12:43 PM To: zookeeper-dev@hadoop.apache.org Subject: Re: Unending Leader Elections in WAN deploy Hi todd, comments in line On 8/4/09 12:38 PM, Todd Greenwood

Re: Optimized WAN ZooKeeper Config : Multi-Ensemble configuration

2009-08-05 Thread Mahadev Konar
Todd, Comments in line: On 8/5/09 12:10 PM, Todd Greenwood to...@audiencescience.com wrote: Flavio/Patrick/Mahadev - Thanks for your support to date. As I understand it, the sticky points w/ respect to WAN deployments are: 1. Leader Election: Leader elections in the WAN config (pod

Re: BUILDS ARE BACK NORMAL

2009-08-05 Thread Mahadev Konar
HI all, As giri mentioned, the builds are back to normal and so is the patch process. http://hudson.zones.apache.org/hudson/view/ZooKeeper/job/Zookeeper-Patch-ves ta.apache.org/ The patches are being run against hudson, so you DO NOT need to cancel and resubmit patches. Thanks mahadev On

Re: Optimized WAN ZooKeeper Config : Multi-Ensemble configuration

2009-08-06 Thread Mahadev Konar
: Mahadev Konar [mailto:maha...@yahoo-inc.com] Sent: Wednesday, August 05, 2009 1:47 PM To: zookeeper-dev@hadoop.apache.org Subject: Re: Optimized WAN ZooKeeper Config : Multi-Ensemble configuration Todd, Comments in line: On 8/5/09 12:10 PM, Todd Greenwood to...@audiencescience.com

Re: [VOTE] Release ZooKeeper 3.2.1 (candidate 0)

2009-08-31 Thread Mahadev Konar
+1 the tests run fine for me. Also ran a bunch of smoke tests with killing servers and bringning them up at randome intervals. It all worked fine. Thanks mahadev On 8/31/09 2:52 PM, Flavio Junqueira f...@yahoo-inc.com wrote: +1. I've run a number of live tests, including some cross-colo

Re: Accessing internal variables in DataNode and synchronization.

2009-09-11 Thread Mahadev Konar
Hi Erik, There is no such reason for accessing variable without acess and getters. We should not be doing that. Its good to have getters and setters. The synchronization on DataNode is a safe lock that would prevent developers being concerned about finer locks and maintaining them. In our

Re: ACL question w/ Zookeeper 3.1.1

2009-09-18 Thread Mahadev Konar
HI todd, We did respond on zookeeper-user. Here is my response in case you didn't see it... 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

Re: Zookeeper Test Project

2009-10-05 Thread Mahadev Konar
Hi Steve, Can you please create a jira and upload the code to that jira for feedback? I am guessing that you want to contribute these tests back to zookeeper right ? Also, do take a look at src/recipes/lock for an implementation of locks on top of zookeeper. They have some tests as well.

Re: Zookeeper Test Project

2009-10-05 Thread Mahadev Konar
Sounds good, I have created an ASF JIRA account, but it doesn't look like I can attach a file in Step 2 of the Create Issue screen. Do I have to create the jira first then attach the file? Yes. Please take a look at http://wiki.apache.org/hadoop/ZooKeeper/HowToContribute On some guidelines

Re: A question about SyncRequestProcessor

2009-10-14 Thread Mahadev Konar
Hi Qian, The explanation is little more detailed and goes into the gurantees of ZooKeeper. This presentation in http://wiki.apache.org/hadoop/ZooKeeper/ZooKeeperPresentations On zookeeper internals will give you some update on the theory and guarantees of ZooKeeper. If you could read through

Re: C formatting conventions

2009-10-23 Thread Mahadev Konar
Hi Steven, The most important is 4 space indentation (no tabs). Other than that, we really don't have any specific guidelines on c code. Now that you mention it, it would be good to have one. But as of now, we do not have one. Thanks mahadev On 10/23/09 5:01 PM, Steve Cheng steve...@gmail.com

Bugfix release 3.2.2

2009-10-30 Thread Mahadev Konar
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

Re: [VOTE] Release ZooKeeper 3.1.2 (candidate 0)

2009-11-24 Thread Mahadev Konar
+1 .. Ran ant test. mahadev On 11/24/09 11:22 AM, Benjamin Reed br...@yahoo-inc.com wrote: +1 Patrick Hunt wrote: I've created a candidate build for ZooKeeper 3.1.2. This is a bug fix release addressing just two critical issues -- see the release notes for details. *** Please

Re: [Fwd: [VOTE] Release ZooKeeper 3.2.2 (candidate 0)]

2009-11-24 Thread Mahadev Konar
+1 for the release. Ran ant test and some smoke tests it worked fine. mahadev On 11/24/09 7:54 AM, stack st...@duboce.net wrote: +1 Ran it in place of zk-3.2.1 in hbase context for an upload and nothing untoward examining logs. Took a quick gander at the doc. and nothing obviously amiss.

Re: [VOTE] Release ZooKeeper 3.1.2 (candidate 0)

2009-12-01 Thread Mahadev Konar
, Mahadev Konar wrote: +1 .. Ran ant test. mahadev On 11/24/09 11:22 AM, Benjamin Reed br...@yahoo-inc.com wrote: +1 Patrick Hunt wrote: I've created a candidate build for ZooKeeper 3.1.2. This is a bug fix release addressing just two critical issues -- see the release notes

Re: [Fwd: [VOTE] Release ZooKeeper 3.2.2 (candidate 0)]

2009-12-01 Thread Mahadev Konar
, Mahadev Konar wrote: +1 for the release. Ran ant test and some smoke tests it worked fine. mahadev On 11/24/09 7:54 AM, stack st...@duboce.net wrote: +1 Ran it in place of zk-3.2.1 in hbase context for an upload and nothing untoward examining logs. Took a quick gander at the doc

Re: [VOTE] Release ZooKeeper 3.2.2 (candidate 1)

2009-12-08 Thread Mahadev Konar
+1 I ran ant test and some smoke tests. thanks mahadev On 12/8/09 2:32 PM, Patrick Hunt ph...@apache.org wrote: I've created a second candidate build for ZooKeeper 3.2.2. This is a bug fix release addressing 13 issues (three critical) -- see the release notes for details. *** Please

Re: [VOTE] Release ZooKeeper 3.1.2 (candidate 1)

2009-12-08 Thread Mahadev Konar
+1 I ran ant test and smoke tests. Thanks mahadev On 12/8/09 2:30 PM, Patrick Hunt ph...@apache.org wrote: I've created a second candidate build for ZooKeeper 3.1.2. This is a bug fix release addressing three critical issues -- see the release notes for details. *** Please download, test

Re: A very strange scenario, may due to some bug on the server side

2009-12-15 Thread Mahadev Konar
Hi Qian, This is quite weird. Are you sure the version is 3.2.1? If yes, please create a jira for this. Also, can you extract the server logs for the session ephemeralOwner: 226627854640480810 And post it on a jira? Ephemeral Owner is the session id. You can convert the above

Re: 3.3.0 release planning

2009-12-16 Thread Mahadev Konar
+1 mahadev On 12/16/09 8:54 AM, Benjamin Reed br...@yahoo-inc.com wrote: March 10th sounds good to me. ben Patrick Hunt wrote: Now that the fix releases are out we should look at nailing down a date for 3.3.0, once we define a date we can triage the JIRA list and pare it down to what

Re: A very strange scenario, may due to some bug on the server side

2009-12-16 Thread Mahadev Konar
Hi Qian, You can just upload the server logs to this jira and we can figure out if there is something useful that we can use to find out what happened. Thanks mahadev On 12/15/09 6:05 PM, Qian Ye yeqian@gmail.com wrote: I have opened a jira for the issue:

Re: bad data in Stat struct when returned asynchronously?

2009-12-20 Thread Mahadev Konar
Hi Andrew, Great to see ruby bindings for zookeeper. Would you be contributing it back to the zookeeper source tree? I am sure lots of folks would be interested in it. Please post to the list if you have any questions regarding the api or questions regarding how to contribute code back to the

Re: Ruby ZooKeeper bindings

2009-12-21 Thread Mahadev Konar
at 08:45:13PM -0800, Mahadev Konar wrote: Hi Andrew, Great to see ruby bindings for zookeeper. Would you be contributing it back to the zookeeper source tree? I am sure lots of folks would be interested in it. Please post to the list if you have any questions regarding the api or questions

Re: zookeeper.jar contains java source code. why?

2010-01-21 Thread Mahadev Konar
Hi Thomas, Its just been a legacy that we have been including source code in the jars. We have found that sometimes folks apply patches on there own and push there own jars to production. It just helped us debugging in such cases. That's why its always been there. It has no connection to jmx at

ZOOKEEPER-22 and release 3.3

2010-02-02 Thread Mahadev Konar
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

Re: Might I contribute a Node design for the Java API?

2010-02-16 Thread Mahadev Konar
Hi Aaron, This looks like more of a File API of java :). I think it would be useful. It does seem useful for some kind of group membership using ZooKeeper. You just need to be a little careful about handling watches and ephemeral nodes with such design. How do you plan to handle it? Thanks

Re: About load balance in Zookeeper server

2010-03-01 Thread Mahadev Konar
HI Qian, You are right we do have any way of handling clients dynamically so that every server has balanced load. This requires a careful design since we would not want client connections to keep flipping around and also maintain stability as much as we can. We have had some discussions about it

Re: About load balance in Zookeeper server

2010-03-03 Thread Mahadev Konar
. Is there any compromise for this issue? thanks On Tue, Mar 2, 2010 at 7:29 AM, Mahadev Konar maha...@yahoo-inc.com wrote: HI Qian, You are right we do have any way of handling clients dynamically so that every server has balanced load. This requires a careful design since we would

Re: Begin a discussion about ZooKeeper as a top level project

2010-03-23 Thread Mahadev Konar
I agree with Ben here. I think we do need sometime to get more bodies contributing to the ZooKeeper codebase. Being a subproject of Hadoop gives us quite a few benefits like branding/discoverability (as Pat mentioned). These benefits are important to us given our small developer base and the

Re: Implementing java.util.concurrent.* interfaces

2010-03-29 Thread Mahadev Konar
Hi Taylor, Really glad to see that you'd like to work on the recipes. As per your questions, comments are in lined: - it should implement the java.util.concurrent interfaces so that the implementation may be used by anyone already familiar with the java.util.concurrent.* interfaces The

Re: Blog ECF Discovery: How many zookeepers does it take to screw in a lightbulb

2010-03-31 Thread Mahadev Konar
Great to see this!!! Thanks mahadev On 3/31/10 4:20 PM, Wim Jongman wim.jong...@gmail.com wrote: Hi Guys, Ahmed Aadel who works at Remain Software created a Zookeeper based Discovery provider which can be used to publish remote services in an OSGi container. I have created a blog

Re: Zookeeper behind load balancer

2010-04-14 Thread Mahadev Konar
Hi Prashant, Just one more thing. It would be great if you could update the powered by page at: http://wiki.apache.org/hadoop/ZooKeeper/PoweredBy With your usage model as well once you start using ZooKeeper. Thanks mahadev On 4/14/10 10:38 AM, Patrick Hunt ph...@apache.org wrote: On

Re: .NET client

2010-04-22 Thread Mahadev Konar
Good to see this Eric, do you have an open jira for client bindings? Thanks mahadev On 4/21/10 8:32 PM, Eric Hauser ewhau...@gmail.com wrote: I submitted the Jute changes back as ZOOKEEPER-747. Regarding contrib, I'd be happy to submit the client bindings back once I do a bit more

Re: Build on trunk seems to be busted

2010-04-24 Thread Mahadev Konar
Hi Alan, It seems to work fine for me. Can you try: Ant clean And then Ant jar? Could be possible that some classes might have been accidentally deleted! Also, please check svn status to see if any java files are missing from the source tree. Thanks mahadev On 4/24/10 7:44 AM, Alan D.

Problems with ZooKeeper apache wiki.

2010-05-11 Thread Mahadev Konar
Hi, We are having problems with apache wiki wherein we are getting an error of You are not allowed to do AttachFile on this page. Whenever we try to download an attachment from http://wiki.apache.org/hadoop/ZooKeeper/ZooKeeperPresentations. As far as I remember this worked fine when I

Re: Problems with ZooKeeper apache wiki.

2010-05-11 Thread Mahadev Konar
been disabled due to a spammer earlier this week. I don't know how soon or if we will enable file attachments again. On Tue, May 11, 2010 at 4:36 PM, Mahadev Konar maha...@apache.org wrote: Hi,  We are having problems with apache wiki wherein we are getting an error of  You are not allowed

Re: [VOTE] Release ZooKeeper 3.3.1 (candidate 0)

2010-05-13 Thread Mahadev Konar
+1. Ran ant tests and some manual testing to bring up a cluster and run manual commands on the zookeeper cluster of 1,3, 5 nodes. Thanks Mahadev On 5/11/10 10:32 PM, Patrick Hunt ph...@apache.org wrote: +1, tests pass for me, also verified that nc/zktop worked properly on a real cluster

Re: Applying ZooKeeper patch

2010-07-29 Thread Mahadev Konar
HI Vishal, There is patch available for 3.3 branch which I think should apply. https://issues.apache.org/jira/secure/attachment/12450761/ZOOKEEPER-790-3.3. v2.patch On the other hand its not a good idea to have run your own patched version of ZooKeeper in production. 3.3.2 should be out by

Re: High WTF count in ZooKeeper client code

2010-08-11 Thread Mahadev Konar
HI Thomas, I read through the list of issues you posted, most of them seem reasonable to fix. The one's you have mentioned below might take quite a bit of time to fix and again a lot of testing! (just a warning :)). It would be great if you'd want to clean this up for 3.4. Please go ahead and

Re: High WTF count in ZooKeeper client code

2010-08-11 Thread Mahadev Konar
class). Thanks mahadev On 8/11/10 7:40 AM, Mahadev Konar maha...@yahoo-inc.com wrote: HI Thomas, I read through the list of issues you posted, most of them seem reasonable to fix. The one's you have mentioned below might take quite a bit of time to fix and again a lot of testing! (just

Re: Parent nodes multi-step transactions

2010-08-23 Thread Mahadev Konar
Hi Gustavo, There was some talk of startTransaction(), addTransaction(), commit() kind of api on the list. Here is the link: http://www.mail-archive.com/zookeeper-dev@hadoop.apache.org/msg08317.html Mostly looked like this wasn¹t on our roadmap for short term, but definitely something to

Re: High WTF count in ZooKeeper client code

2010-08-31 Thread Mahadev Konar
interface in the background), ASyncCallback, Watcher We may want to change: ClientCnxn (faktor out some things, remove dep on ZooKeeper) I think other classes should not be involved at all in our issues. My collegue Patrick was so kind to fill the jira issues. Best regards, Thomas Mahadev

Re: Problems in FLE implementation

2010-09-03 Thread Mahadev Konar
Hi Vishal, Thanks for picking this up. My comments are inline: On 9/2/10 3:31 PM, Vishal K vishalm...@gmail.com wrote: Hi All, I had posted this message as a comment for ZOOKEEPER-822. I thought it might be a good idea to give a wider attention so that it will be easier to collect

Re: race condition in InvalidSnapShotTest on client close

2010-09-03 Thread Mahadev Konar
Hi Thomas, Sorry for my late response. Please open a jira regarding this. Is this fixed in your netty patc hfor the client? Htanks mahadev On 9/1/10 9:09 AM, Thomas Koch tho...@koch.ro wrote: Hi, I believe, that I've found a race condition in org.apache.zookeeper.server.InvalidSnapshotTest

Re: High WTF count in ZooKeeper client code

2010-09-04 Thread Mahadev Konar
, stable, unstable, .. This is quite useful but given out interfaces havent chanhged in a long time this might not be that helpful for us. Thanks mahadev On 8/31/10 3:47 PM, Mahadev Konar maha...@yahoo-inc.com wrote: There isnt any documentation on the interface tagging other than the running

Re: Review Request: ZOOKEEPER-823

2010-09-08 Thread Mahadev Konar
Hi Thomas, I do have that on my list. I probably will be doing it by this weekend for sure. Thanks mahadev On 9/8/10 9:16 AM, Thomas Koch tho...@koch.ro wrote: Hi Ben, Mahadev, Patrick suggested I might ask you for review on ZOOKEEPER-823. It does some refactoring on ClientCnxn and

Re: Review Request: ZOOKEEPER-823

2010-09-08 Thread Mahadev Konar
I just reviewed the patch. You can go ahead and commit it. I am going to run the ant test now. Thanks mahadev On 9/8/10 9:23 AM, Patrick Hunt ph...@apache.org wrote: Hudson trunk is currently failing due to some fd cleanup issue. Not sure if I introduced that recently with the netty server

Re: Master error

2010-09-14 Thread Mahadev Konar
Hi Ngo, If the leader fails, someone else in the quorum is elected as the leader. You might wan to read through documentaion at: http://hadoop.apache.org/zookeeper/docs/r3.2.0/ Thanks mahadev On 9/14/10 6:00 PM, Ngô Văn Vĩ ngovi.se@gmail.com wrote: Hi All if Master error. What do

Re: Restarting discussion on ZooKeeper as a TLP

2010-10-14 Thread Mahadev Konar
+1 for moving to TLP. Thanks for starting the vote Pat. mahadev On 10/13/10 2:10 PM, Patrick Hunt ph...@apache.org wrote: In March of this year we discussed a request from the Apache Board, and Hadoop PMC, that we become a TLP rather than a subproject of Hadoop: Original discussion

Re: What's the QA strategy of ZooKeeper?

2010-10-15 Thread Mahadev Konar
Well said Vishal. I really like the points you put forth!!! Agree on all the points, but again, all the point you mention require commitment from folks like you. Its a pretty hard task to test all the corner cases of ZooKeeper. I'd expect everyone to pitch in for testing a release. We should

Re: Restarting discussion on ZooKeeper as a TLP

2010-10-21 Thread Mahadev Konar
immediately below be and hereby are appointed to serve as the initial members of the Apache ZooKeeper Project: * Patrick Hunt ph...@apache.org * Flavio Junqueira f...@apache.org * Mahadev Konarmaha...@apache.org * Benjamin

Re: implications of netty on client connections

2010-10-22 Thread Mahadev Konar
Hi Camille, I am a little curious here. Does this mean you tried a single zookeeper server with 16K clients? Thanks mahadev On 10/20/10 1:07 PM, Fournier, Camille F. [Tech] camille.fourn...@gs.com wrote: Thanks Patrick, I'll look and see if I can figure out a clean change for this. It was

Re: Heisenbugs, Bohrbugs, Mandelbugs?

2010-10-22 Thread Mahadev Konar
Hi Thomas, Could you verify this by just testing the trunk without your patch? You might very well be right that those tests are a little flaky. As for the hudson builds, Nigel is working on getting the patch builds for zookeeper running. As soon as that gets fixed this flaky tests would show

Re: Allowing a ZooKeeper server to be part of multiple clusters

2010-10-25 Thread Mahadev Konar
Hi Vishal, This idea (2.) had been kicked around intially by Flavio. I think he¹ll probably chip in on the discussion. I am just curious on the whats the idea behind your proposal? Is this to provide some kind of failure gaurantees between a 2 node and 3 node cluster? Thanks mahadev On

Re: Apache now has reviewboard

2010-10-26 Thread Mahadev Konar
That¹s really nice. mahadev On 10/25/10 10:16 PM, Patrick Hunt ph...@apache.org wrote: FYI: https://blogs.apache.org/infra/entry/reviewboard_instance_running_at_the We should start using this, I've used it for other projects and it worked out quite well. Patrick

Re: New strategy for Netty (ZOOKEEPER-823) was: What's the QA strategy of ZooKeeper?

2010-10-26 Thread Mahadev Konar
This sounds great. Thanks mahadev On 10/16/10 1:56 AM, Thomas Koch tho...@koch.ro wrote: Benjamin Reed: actually, the other way of doing the netty patch (since i'm scared of merges) would be to do a refactor cleanup patch with an eye toward netty, and then another patch to actually add

FW: [Hadoop Wiki] Update of ZooKeeper/ZKClientBindings by yfinkelstein

2010-11-02 Thread Mahadev Konar
Nice to see this! Thanks mahadev -- Forwarded Message From: Apache Wiki wikidi...@apache.org Reply-To: common-...@hadoop.apache.org Date: Tue, 2 Nov 2010 14:39:24 -0700 To: Apache Wiki wikidi...@apache.org Subject: [Hadoop Wiki] Update of ZooKeeper/ZKClientBindings by yfinkelstein Dear Wiki

Re: Windows port of ZK C api

2010-11-03 Thread Mahadev Konar
Hi Camille, I think definitely there is. I think a build script with a set of requirements and a nice set of docs on how to start using it would be great. BTW, there is a C# binding which someone wrote earlier http://wiki.apache.org/hadoop/ZooKeeper/ZKClientBindings You can take a look at that

Re: [VOTE] Release ZooKeeper 3.3.2 (candidate 0)

2010-11-10 Thread Mahadev Konar
+1 for the release. Ran ant test and a couple of smoke tests. Create znodes and shutdown zookeeper servers to test durability. Deleted znodes to make sure they are deleted. Shot down servers one at a time to confirm correct behavior. Thanks mahadev On 11/4/10 11:17 PM, Patrick Hunt

Re: What happens to a follower if leader hangs?

2010-11-10 Thread Mahadev Konar
Hi Vishal, There are periodic pings sent from the leader to the followers. Take a look at Leader.java: syncedSet.add(self.getId()); synchronized (learners) { for (LearnerHandler f : learners) { if (f.synced()) {

Re: Watcher examples

2010-11-15 Thread Mahadev Konar
Yup. This would be really nice to have. More examples and documentaiton for them, would be really helpful for our users. Thanks mahadev On 11/15/10 12:54 PM, Patrick Hunt ph...@apache.org wrote: It would be great to have more examples as part of the release artifact. Would you mind

[jira] Commented: (ZOOKEEPER-45) Restructure the SVN repository after initial import

2008-06-13 Thread Mahadev konar (JIRA)
[ https://issues.apache.org/jira/browse/ZOOKEEPER-45?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12604996#action_12604996 ] Mahadev konar commented on ZOOKEEPER-45: do we want to create a zookeeper/site

[jira] Issue Comment Edited: (ZOOKEEPER-38) headers (version+) in log/snap files

2008-06-22 Thread Mahadev konar (JIRA)
[ https://issues.apache.org/jira/browse/ZOOKEEPER-38?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12607147#action_12607147 ] mahadev edited comment on ZOOKEEPER-38 at 6/22/08 10:57 PM:

[jira] Commented: (ZOOKEEPER-45) Restructure the SVN repository after initial import

2008-06-24 Thread Mahadev konar (JIRA)
[ https://issues.apache.org/jira/browse/ZOOKEEPER-45?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12607814#action_12607814 ] Mahadev konar commented on ZOOKEEPER-45: 2) we anyway need a top level changelog

[jira] Updated: (ZOOKEEPER-53) tests failing on solaris.

2008-06-25 Thread Mahadev konar (JIRA)
[ https://issues.apache.org/jira/browse/ZOOKEEPER-53?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Mahadev konar updated ZOOKEEPER-53: --- Resolution: Fixed Status: Resolved (was: Patch Available) i just committed

[jira] Commented: (ZOOKEEPER-38) headers (version+) in log/snap files

2008-07-08 Thread Mahadev konar (JIRA)
[ https://issues.apache.org/jira/browse/ZOOKEEPER-38?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12611885#action_12611885 ] Mahadev konar commented on ZOOKEEPER-38: the patch looks good --- here are some

[jira] Commented: (ZOOKEEPER-38) headers (version+) in log/snap files

2008-07-09 Thread Mahadev konar (JIRA)
[ https://issues.apache.org/jira/browse/ZOOKEEPER-38?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=1261#action_1261 ] Mahadev konar commented on ZOOKEEPER-38: i have no intention to discuss

[jira] Created: (ZOOKEEPER-74) Cleaning/restructuring up Zookeeper server code

2008-07-14 Thread Mahadev konar (JIRA)
: server Reporter: Mahadev konar Assignee: Mahadev konar Fix For: 3.0.0 I have been thinking this for a while and find that the zookeeper server code needs some cleaning up. The server code is a little tricky/confusing to read sometimes gievn

[jira] Updated: (ZOOKEEPER-76) Commit 677109 removed the cobertura library, but not the build targets.

2008-07-16 Thread Mahadev konar (JIRA)
[ https://issues.apache.org/jira/browse/ZOOKEEPER-76?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Mahadev konar updated ZOOKEEPER-76: --- Attachment: Zookeeper-76_1.patch i just did this as in the patch which amkes the tests

[jira] Commented: (ZOOKEEPER-76) Commit 677109 removed the cobertura library, but not the build targets.

2008-07-16 Thread Mahadev konar (JIRA)
[ https://issues.apache.org/jira/browse/ZOOKEEPER-76?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12614056#action_12614056 ] Mahadev konar commented on ZOOKEEPER-76: pats patch seems better.. +1 on pat's

[jira] Commented: (ZOOKEEPER-81) JMX module is using 1 java 6 method that has a java 5 equivalent

2008-07-18 Thread Mahadev konar (JIRA)
[ https://issues.apache.org/jira/browse/ZOOKEEPER-81?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12614780#action_12614780 ] Mahadev konar commented on ZOOKEEPER-81: i think the build.xml only allows

[jira] Commented: (ZOOKEEPER-83) Switch to using maven to build ZooKeeper

2008-07-21 Thread Mahadev konar (JIRA)
[ https://issues.apache.org/jira/browse/ZOOKEEPER-83?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12615507#action_12615507 ] Mahadev konar commented on ZOOKEEPER-83: hiram, can you list an overall set

[jira] Commented: (ZOOKEEPER-84) provide a mechanism to reconnect a ZooKeeper if a client receives a SessionExpiredException

2008-07-22 Thread Mahadev konar (JIRA)
[ https://issues.apache.org/jira/browse/ZOOKEEPER-84?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12615680#action_12615680 ] Mahadev konar commented on ZOOKEEPER-84: james, I do not understand where you

[jira] Assigned: (ZOOKEEPER-2) Synchronization issues in QuorumPeer and FastLeader election

2008-07-22 Thread Mahadev konar (JIRA)
[ https://issues.apache.org/jira/browse/ZOOKEEPER-2?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Mahadev konar reassigned ZOOKEEPER-2: - Assignee: Flavio Paiva Junqueira (was: Mahadev konar) assigning this back to flavio

[jira] Commented: (ZOOKEEPER-83) Switch to using maven to build ZooKeeper

2008-07-22 Thread Mahadev konar (JIRA)
[ https://issues.apache.org/jira/browse/ZOOKEEPER-83?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12615802#action_12615802 ] Mahadev konar commented on ZOOKEEPER-83: i agree with Doug on this. We never felt

  1   2   3   4   5   6   7   8   9   10   >