Re: reviewboard

2011-01-11 Thread Flavio Junqueira
Hey Ben, if we have multiple patches in the same jira, perhaps we should use subtasks and name the review requests accordingly? Does it work for the cases you're referring to?I was wondering, though, what other projects do to maintain the jira consistent with respect to discussion on the review

Re: Extracting Zab from Zookeeper

2011-01-22 Thread Flavio Junqueira
Not only it won't be trivial, but I don't have it completely clear that if we separate Zab and ZooKeeper you will have exactly what you need. In our previous discussions about this issue, we ended up concluding that we would need a richer interface than simply abcast and abdeliver. For example,

Re: Comparison of kafka and bookkeeper?

2011-02-10 Thread Flavio Junqueira
Thomas, Did you mean to say Hedwig instead of BookKeeper? -Flavio On Feb 10, 2011, at 9:57 AM, Thomas Koch wrote: Hi, I've just had a look at the kafka slides[1] from January HUG. It seems to me, that bookkeeper and kafka are quite similar in there problem space. Is that so? What are

Re: [VOTE] Release ZooKeeper 3.3.3 (candidate 0)

2011-02-21 Thread Flavio Junqueira
Ben, I have a question. Even though the bookkeeper jar is there, build-contrib.xml is missing (ZOOKEEPER-956), and compiling fails without it. Is it supposed to be this way?-FlavioOn Feb 19, 2011, at 3:27 PM, Benjamin Reed wrote:(the previous email had the URL slightly incorrect)after much

Re: [VOTE] Release ZooKeeper 3.3.3 (candidate 0)

2011-02-21 Thread Flavio Junqueira
Hi again, I'm sorry for raising yet another point. I also wanted to point out that we have a few jiras marked as blocked not included in the current candidate. ZOOKEEPER-880 is one of them, and Vishal asked us to consider it for 3.3.3. I think that either we conclude that it is not a blocker and

Re: [VOTE] Release ZooKeeper 3.3.3 (candidate 0)

2011-02-22 Thread Flavio Junqueira
wrote:I think it's fine - it's in src/contrib not contrib.On Tue, Feb 22, 2011 at 8:00 AM, Benjamin Reed ben.r...@gmail.com wrote:i don't know why build-contrib.xml is missing. pat do you have any ideas?ant tar should grab it right?benOn Mon, Feb 21, 2011 at 2:02 AM, Flavio Junqueira f...@yahoo

Re: [VOTE] Release ZooKeeper 3.3.3 (candidate 0)

2011-02-22 Thread Flavio Junqueira
...@apache.org wrote: Ben/Vishal,Is there any possibility of getting ZOOKEEPER-880 in 3.3.3 release? The Hbase guys had been asking for it.thanksmahadev On Tue, Feb 22, 2011 at 9:38 AM, Flavio Junqueira f...@yahoo-inc.com wrote: I'm not sure why you say it is fine, Pat. If I try to compile

Re: [VOTE] Release ZooKeeper 3.3.3 (candidate 0)

2011-02-23 Thread Flavio Junqueira
why build-contrib.xml is missing. pat do you have any ideas?ant tar should grab it right? benOn Mon, Feb 21, 2011 at 2:02 AM, Flavio Junqueira f...@yahoo-inc.comwrote: Ben, I have a question. Even though the bookkeeper jar is there, build-contrib.xml is missing (ZOOKEEPER-956), and compiling fails

Re: [VOTE] Release ZooKeeper 3.3.3 (candidate 1)

2011-02-25 Thread Flavio Junqueira
+1, everything seems to be fine for me as well.On Feb 25, 2011, at 6:12 PM, Ivan Kelly wrote:+1On 25 Feb 2011, at 09:25, Patrick Hunt wrote:+1, looks good to me. Signing is correct, versions seem right, and thetests all pass on my box.PatrickOn Wed, Feb 23, 2011 at 7:49 PM, Benjamin Reed

Re: [DISCUSS] 3.4.0 release plan of ZooKeeper.

2011-03-01 Thread Flavio Junqueira
It would be nice to include BK jiras as well, like 998 and 1001.-FlavioOn Feb 28, 2011, at 10:58 PM, Mahadev Konar wrote:Hi all, Since 3.3.3 release is out the door, I am starting this thread tostart discussion for 3.4.0 release.My plan for 3.4 is to include the following features/enhancements

Re: Something about performance of Zookeeper

2011-03-09 Thread Flavio Junqueira
server,all reads,cpu:15%~20%,qps:about 11000,latency: It seems that the asynchronous calls perform even worse than the synchronous calls. On Wed, Mar 9, 2011 at 12:29 AM, Flavio Junqueira f...@yahoo-inc.com wrote: Hi Qian, If I understand your description correctly, you are using synchronous calls

Re: [jira] Created: (ZOOKEEPER-1009) BookKeeper as a sequencer

2011-03-13 Thread Flavio Junqueira
at 4:11 PM, Flavio Junqueira (JIRA) j...@apache.orgwrote:BookKeeper as a sequencer- Key: ZOOKEEPER-1009 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1009 Project: ZooKeeper Issue Type: New Feature Components: contrib-bookkeeper Reporter: Flavio Junqueira Assignee: Flavio

Re: [DISCUSS] move hedwig/bookkeeper to subproject

2011-03-16 Thread Flavio Junqueira
, Mar 10, 2011 at 1:34 AM, Patrick Hunt ph...@apache.org wrote:On Tue, Mar 8, 2011 at 1:01 PM, Flavio Junqueira f...@yahoo-inc.comwrote:I'm sorry for not replying before. I didn't feel that the message wasforme, since it should be pretty obvious that I'm interested in thoseprojects. Here are some

Re: [VOTE] BookKeeper (including Hedwig) subproject proposal

2011-03-18 Thread Flavio Junqueira
committers:Dhruba Borthakur (Facebook)Flavio Junqueira (Yahoo)Ivan Kelly (Yahoo)Benjamin Reed (Yahoo)Utkarsh Srivastava (Twitter) flaviojunqueiraresearch scientistf...@yahoo-inc.comdirect +34 93-183-8828avinguda diagonal 177, 8th floor, barcelona, 08018, esphone (408) 349 3300fax (408) 349 3301

Re: new leader accepting create requests too early?

2011-03-22 Thread Flavio Junqueira
Hi Jeremy, Thanks for reporting. Without logs from the other nodes, it is somewaht difficult to determine more precisely what happened. But, from the logs, it sounds like node #1 (id 215) is the only leading from these two notifications:2672 [WorkerReceiver Thread]

Re: send UPTODATE to follower until a quorum of servers synced with leader

2011-03-28 Thread Flavio Junqueira
Hi Jiangwen, Good catch. I followed the code and it does sound like this scenario can happen, ignoring how sessions are handled. I checked that a follower takes a snapshot and starts a zookeeper server right after receiving an UPTODATE message. I'm not clear, though, if it is possible for a client

Re: [announce] bookkeeper subproject

2011-04-27 Thread Flavio Junqueira
Agreed, thanks for all the effort in putting the site and the infrastructure up, Ben.-FlavioOn Apr 27, 2011, at 5:59 PM, Mahadev Konar wrote:Really Nice!!!Thanks a lot Ben on making this happen!thanksmahadevOn Tue, Apr 26, 2011 at 11:47 PM, Benjamin Reed br...@apache.org wrote:i'm happy to

Re: retreat from zookeeper

2011-05-19 Thread Flavio Junqueira
Thomas, Thanks for you comments, it is an intriguing list of points you lay down below and in some sense it highlights the fact that there is still work to be done. I find it sad, though, that you decided to frame it in such a destructive way, picturing ZooKeeper as a proof-of-concept, poorly

Trunk test failure

2011-07-02 Thread Flavio Junqueira
Unless I'm not reading it properly, something didn't go well in the commit of ZOOKEEPER-965. The two last messages from the jenkins server have this error: [exec] mv -f .deps/zktest_st-TestClient.Tpo .deps/zktest_st- TestClient.Po [exec] make[1]: *** No rule to make target

Zab slides

2011-07-04 Thread Flavio Junqueira
I have uploaded the slides of our Zab presentation at the 2011 DSN conference (http://www.dsn.org) here: http://www.slideshare.net/FlavioJunqueira/zab-dsn2011-8493524 Just in case anyone on the list is interested. -Flavio

Re: Review of public APIs

2011-10-19 Thread Flavio Junqueira
is under a netty package. There's nothing netty specific about the api, so it should be in the org.apache.hedwig.client package. In both BK and HW, context objects are passed around with callbacks. I don't think this is necessary, but it doesn't bug me too much. -Ivan flavio junqueira

Re: Comment from Martin Fowler

2011-11-03 Thread Flavio Junqueira
Thomas's interests and our current goals? Patrick flavio junqueira research scientist f...@yahoo-inc.com direct +34 93-183-8828 avinguda diagonal 177, 8th floor, barcelona, 08018, es phone (408) 349 3300fax (408) 349 3301

Re: Update on my 1270 testing

2011-11-05 Thread Flavio Junqueira
these changes have shifted some timing? My main concern is that this might be caused directly by the patch itself Patrick flavio junqueira research scientist f...@yahoo-inc.com direct +34 93-183-8828 avinguda diagonal 177, 8th floor, barcelona, 08018, es phone (408) 349 3300fax (408) 349 3301

Re: [VOTE] Release ZooKeeper 3.4.0 (candidate 2)

2011-11-16 Thread Flavio Junqueira
this? thanks mahadev flavio junqueira research scientist f...@yahoo-inc.com direct +34 93-183-8828 avinguda diagonal 177, 8th floor, barcelona, 08018, es phone (408) 349 3300fax (408) 349 3301

Re: [VOTE] BookKeeper 4.0.0 Release Candidate 1

2011-12-06 Thread Flavio Junqueira
. flavio junqueira research scientist f...@yahoo-inc.com direct +34 93-183-8828 avinguda diagonal 177, 8th floor, barcelona, 08018, es phone (408) 349 3300fax (408) 349 3301

Re: [VOTE] BookKeeper 4.0.0 Release Candidate 1

2011-12-06 Thread Flavio Junqueira
will probably be hard to do in maven, as the lib directory will not exist in the source. -Ivan flavio junqueira research scientist f...@yahoo-inc.com direct +34 93-183-8828 avinguda diagonal 177, 8th floor, barcelona, 08018, es phone (408) 349 3300fax (408) 349 3301

Re: [VOTE] BookKeeper 4.0.0 Release Candidate 1

2011-12-06 Thread Flavio Junqueira
I missed initially that the changes are only to the binary packages. It doesn't sound like we need to call a new vote. -Flavio On Dec 6, 2011, at 4:17 PM, Flavio Junqueira wrote: I'm confused now. If you change the candidate files, then we have to call for a new vote, no? -Flavio On Dec 6

Re: ZooKeeper dev/user meetups.

2011-12-07 Thread Flavio Junqueira
Thanks Mahadev; +1 I am looking forward to hanging out with you guys. I like the hackday idea where we collaborate on a set of bugs. -Eugene flavio junqueira research scientist f...@yahoo-inc.com direct +34 93-183-8828 avinguda diagonal 177, 8th floor, barcelona, 08018, es phone (408) 349 3300

Re: Proposal: create a separate ZooKeeper release artifact for recipes

2011-12-07 Thread Flavio Junqueira
be better as I have a backup here at Netflix. Let's see what the rest of the ZK world says. flavio junqueira research scientist f...@yahoo-inc.com direct +34 93-183-8828 avinguda diagonal 177, 8th floor, barcelona, 08018, es phone (408) 349 3300fax (408) 349 3301

Re: ZooKeeper dev/user meetups.

2011-12-07 Thread Flavio Junqueira
are interested in participating remotely. Patrick On Wed, Dec 7, 2011 at 1:04 AM, Flavio Junqueira f...@yahoo-inc.com wrote: I wonder for how many of us in this community would be difficult to participate in such an event because we are not US-based or are many hours away with respect

Re: ZooKeeper dev/user meetups.

2011-12-07 Thread Flavio Junqueira
. It happens. Patrick On Wed, Dec 7, 2011 at 10:28 AM, Flavio Junqueira fpj@yahoo- inc.com wrote: Thanks for sense of fairness, Pat, it is really kind. I was not really looking for blessing, though. I was really wondering instead what fraction of the community is able to attend such meetups

Re: ZooKeeper dev/user meetups.

2011-12-07 Thread Flavio Junqueira
On Dec 7, 2011, at 7:35 PM, Mahadev Konar wrote: Flavio, You want to send an email to the mailing list (user/dev) to gauge interest if folks wanted to attend a meetup in Barcelona? mahadev On Wed, Dec 7, 2011 at 10:28 AM, Flavio Junqueira fpj@yahoo- inc.com wrote: Thanks for sense of fairness

Re: ZooKeeper dev/user meetups.

2011-12-07 Thread Flavio Junqueira
interest if folks wanted to attend a meetup in Barcelona? mahadev On Wed, Dec 7, 2011 at 10:28 AM, Flavio Junqueira f...@yahoo-inc.com wrote: Thanks for sense of fairness, Pat, it is really kind. I was not really looking for blessing, though. I was really wondering instead what fraction

Re: [VOTE] Release ZooKeeper 3.4.1 (candidate 0)

2011-12-13 Thread Flavio Junqueira
/~mahadev/zookeeper-3.4.1-candidate-0/ Should we release this? thanks mahadev flavio junqueira research scientist f...@yahoo-inc.com direct +34 93-183-8828 avinguda diagonal 177, 8th floor, barcelona, 08018, es phone (408) 349 3300fax (408) 349 3301

BK and HDFS

2011-12-14 Thread Flavio Junqueira
Just in case people on this list haven't seen it yet, HDFS-234 (Integration with BookKeeper logging system) has gone in. Great job, Ivan! -Flavio

Re: BK and HDFS

2011-12-14 Thread Flavio Junqueira
about it. Patrick On Wed, Dec 14, 2011 at 5:47 AM, Flavio Junqueira fpj@yahoo- inc.com wrote: Just in case people on this list haven't seen it yet, HDFS-234 (Integration with BookKeeper logging system) has gone in. Great job, Ivan! -Flavio flavio junqueira research scientist f

Re: Curator, a ZooKeeper Recipe Proposal

2011-12-14 Thread Flavio Junqueira
: * Apache Maven == Initial Committers == Jordan Zimmerman (Netflix, Inc.) Jay Zarfoss (Netflix, Inc.) Jerome Boulon (Netflix, Inc.) It would be good to have more diversity here. I would love to contribute, but I don't feel I have cycles for now. -Flavio flavio junqueira research scientist f

Re: Fault Injection mechanism for ZooKeeper

2011-12-22 Thread Flavio Junqueira
master degree. -- Andrei Savu / andreisavu.ro flavio junqueira research scientist f...@yahoo-inc.com direct +34 93-183-8828 avinguda diagonal 177, 8th floor, barcelona, 08018, es phone (408) 349 3300fax (408) 349 3301

Re: misgiving about quorm/lead.java 's getEpochToPropose function

2011-12-23 Thread Flavio Junqueira
= epoch here? In my undestanding the lastAcceptedEpoch is the max epoch of a follower may have accepted so when the lead have receive a accepted epoch from the follower it should always make it's own epoch larger than this one Thanks . flavio junqueira research scientist f...@yahoo-inc.com

Branch for reconfiguration (ZOOKEEPER-107)?

2012-01-20 Thread Flavio Junqueira
This message is to throw the idea and get a sense of what people think, especially the ones working closely on it like Alex, about creating a branch for the reconfiguration work. The rationale for proposing it is the following. In our experience with Zab last year, we implemented

Re: [VOTE] Release ZooKeeper 3.4.3 (candidate 0)

2012-02-08 Thread Flavio Junqueira
this? thanks mahadev -- Mahadev Konar Hortonworks Inc. http://hortonworks.com/ flavio junqueira research scientist f...@yahoo-inc.com direct +34 93-183-8828 avinguda diagonal 177, 8th floor, barcelona, 08018, es phone (408) 349 3300fax (408) 349 3301

Re: [VOTE] Release ZooKeeper 3.4.3 (candidate 0)

2012-02-08 Thread Flavio Junqueira
this? thanks mahadev -- Mahadev Konar Hortonworks Inc. http://hortonworks.com/ -- Mahadev Konar Hortonworks Inc. http://hortonworks.com/ flavio junqueira research scientist f...@yahoo-inc.com direct +34 93-183-8828 avinguda diagonal 177, 8th floor, barcelona, 08018, es

Re: [ANNOUNCE] Sijie Guo is now a bookkeeper committer

2012-02-13 Thread Flavio Junqueira
. congratulations sijie! thank you for the work you put into bookkeeper. ben flavio junqueira research scientist f...@yahoo-inc.com direct +34 93-183-8828 avinguda diagonal 177, 8th floor, barcelona, 08018, es phone (408) 349 3300fax (408) 349 3301

Re: two things about FastLeaderElection.java

2012-03-09 Thread Flavio Junqueira
. -Flavio flavio junqueira senior research scientist f...@yahoo-inc.com direct +34 93-183-8828 avinguda diagonal 177, 8th floor, barcelona, 08018, es phone (408) 349 3300fax (408) 349 3301

Re: PerChannelBookieClient disconnects from Bookies

2012-04-04 Thread Flavio Junqueira
. Regards, Aniruddha. bookieexception.txt flavio junqueira senior research scientist f...@yahoo-inc.com direct +34 93-183-8828 avinguda diagonal 177, 8th floor, barcelona, 08018, es phone (408) 349 3300fax (408) 349 3301

Re: Listing the znodes efficiently

2012-05-18 Thread Flavio Junqueira
, you'll likely find more) Without this, the app has to pull all the nodes and perform the comparison at the client end. Yes, that's true of what's available today. Patrick flavio junqueira senior research scientist f...@yahoo-inc.com direct +34 93-183-8828 avinguda diagonal 177, 8th

Re: Tool for interactive fault injection testing

2012-07-02 Thread Flavio Junqueira
Sounds like great stuff, Andrei. Do you have a description of the faults you have injected I can access? -Flavio On Jul 2, 2012, at 10:14 PM, Andrei Savu wrote: I was unable to find any issues so far. It seems like ZooKeeper does a great job at handling network failures. This tool is

Re: Tool for interactive fault injection testing

2012-07-03 Thread Flavio Junqueira
planning to do more of this if you think it's useful. -- Andrei Savu On Mon, Jul 2, 2012 at 11:21 PM, Flavio Junqueira f...@yahoo-inc.com wrote: Sounds like great stuff, Andrei. Do you have a description of the faults you have injected I can access? -Flavio On Jul 2, 2012, at 10:14 PM

Welcome Ivan Kelly to the ZooKeeper PMC!

2012-08-14 Thread Flavio Junqueira
Folks, I'm happy to inform that the PMC has voted and Ivan has happily accepted to become a ZooKeeper PMC member. Welcome aboard, Ivan! -Flavio

Re: question about getChildren and queue recipe

2012-09-04 Thread Flavio Junqueira
On Sep 4, 2012, at 3:10 AM, Alexander Shraer wrote: Hi, I have 2 questions: - why was it decided not to guarantee any order on the list returned from getChildren, given that many use-cases require looking on the child with the smallest id ? Why not just keep this list in a sorted form on

Re: question about getChildren and queue recipe

2012-09-05 Thread Flavio Junqueira
of their creation ? Wouldn't this be consistent with the sequential id and also cheap ? or am I missing something Thanks, Alex On Tue, Sep 4, 2012 at 3:11 PM, Flavio Junqueira f...@yahoo-inc.com wrote: On Sep 4, 2012, at 3:10 AM, Alexander Shraer wrote: Hi, I have 2 questions: - why

Re: question about getChildren and queue recipe

2012-09-06 Thread Flavio Junqueira
on recovery, and probably there are other implications, but it seems worthwhile to consider. Alex On Wed, Sep 5, 2012 at 4:24 AM, Flavio Junqueira f...@yahoo-inc.com wrote: Hi Alex, I believe we currently use a set to hold the children of a znode. Are you proposing to use a different data structure

Re: [VOTE] Release ZooKeeper 3.4.4 (candidate 0)

2012-09-19 Thread Flavio Junqueira
+1, looks good to me. -Flavio On Sep 17, 2012, at 10:58 AM, Mahadev Konar wrote: Hi all, I have created a candidate build for ZooKeeper 3.4.4. 50 JIRAs are addressed in this release. Please take a look at the release notes for the jira list. *** Please download, test and VOTE before

Re: High latencies observed at the bookkeeper client while reading entries

2012-09-25 Thread Flavio Junqueira
disk, or native async IO (not trivially available within the JVM.) On Tue, Sep 25, 2012 at 2:23 AM, Flavio Junqueira f...@yahoo-inc.com wrote: On Sep 25, 2012, at 10:55 AM, Aniruddha Laud wrote: On Tue, Sep 25, 2012 at 1:35 AM, Flavio Junqueira f...@yahoo-inc.com wrote: Just to add

Re: More than one QuorumPeer start leader election

2012-09-26 Thread Flavio Junqueira
Hi Lory_yang, Thanks for asking questions. As I understand your question, you're asking about leader election, which we call FLE (Fast Leader Election). The idea is to select one server out of a pool of available servers. Each server (or peer) will have a QuorumPeer started, so it does allow

Re: Ensure Leader hasn't changed

2012-09-27 Thread Flavio Junqueira
sync simply flushes the channel between the leader and the follower that forwarded the sync operation, so it doesn't go through the full zab pipeline. Flushing means that all pending updates from the leader to the follower are received by the time sync completes. Starting a read operation

Re: Ensure Leader hasn't changed

2012-09-27 Thread Flavio Junqueira
write which completed before the sync began. Is this the intention ? If so, how is this achieved without running agreement on the sync op ? Thanks, Alex On Thu, Sep 27, 2012 at 12:05 AM, Flavio Junqueira f...@yahoo-inc.com wrote: sync simply flushes the channel between the leader

Re: Ensure Leader hasn't changed

2012-09-27 Thread Flavio Junqueira
Hi John, I think the problem you're referring to can be illustrated roughly by the following scenario: 1- Client C1 is your master (let's call it master not to confuse with ZK leader) and it is performing work happily; 2- Client C2 becomes the master and C1 hasn't received any notification of

Re: Ensure Leader hasn't changed

2012-09-27 Thread Flavio Junqueira
write! Alex On Thu, Sep 27, 2012 at 12:32 AM, Flavio Junqueira f...@yahoo-inc.com wrote: Hi Alex, Because of the following: 1- A follower F processes operations from a client in FIFO order, and say that a client submits as you say sync + read; 2- A sync will be processed by the leader

Re: Ensure Leader hasn't changed

2012-09-27 Thread Flavio Junqueira
sync to L and L returns it to F, you actually miss my write! Alex On Thu, Sep 27, 2012 at 12:32 AM, Flavio Junqueira f...@yahoo-inc.com wrote: Hi Alex, Because of the following: 1- A follower F processes operations from a client in FIFO order, and say that a client submits as you say

Re: Ensure Leader hasn't changed

2012-09-28 Thread Flavio Junqueira
is broken and the client owning the Ephemeral node drops off, then we don't have liveness (because this node may not get cleaned up in a timely fashion). However, we still preserve corectness. -jc On Thu, Sep 27, 2012 at 9:02 AM, Flavio Junqueira f...@yahoo-inc.comwrote: Say that we

Re: Ensure Leader hasn't changed

2012-09-28 Thread Flavio Junqueira
too much. My approach is different in that a timestamp server reserves a bunch of timestamps up front and proceeds to hand them out as long as it is the leader. Leader check can be done without hitting disk hopefully. Thanks! -jc On Fri, Sep 28, 2012 at 7:19 AM, Flavio Junqueira f

Re: Ensure Leader hasn't changed

2012-09-28 Thread Flavio Junqueira
, Flavio Junqueira wrote: I was thinking that you can do a write per timestamp batch, and not per individual timestamp. In the worst case, a former leader won't use some timestamps, and I would think it is ok, but it depends on your application. Also, even if two clients believe they are leaders

Re: Ensure Leader hasn't changed

2012-09-28 Thread Flavio Junqueira
, Flavio Junqueira f...@yahoo-inc.com wrote: I checked your message again and the contract is that getFreshTimestamp() always gets a fresh timestamp (not older than any returned by that method). One aspect of the contract that is not clear to me: does this freshness property hold across clients

Re: [VOTE] Release ZooKeeper 3.4.5 (candidate 0)

2012-10-10 Thread Flavio Junqueira
+1 -Flavio On Oct 8, 2012, at 7:05 AM, Mahadev Konar wrote: Given Eugene's findings on ZOOKEEPER-1557, I think we can continue rolling the current RC out. Others please vote on the thread if you see any issues with that. Folks who have already voted, please re vote in case you have a change

Re: [VOTE] Release ZooKeeper 3.4.5 (candidate 1)

2012-11-07 Thread Flavio Junqueira
+1, I ran the unit tests and verified that: - I'm able to have a leader elected in a cluster of 3 servers; - I'm able to have another leader elected when killing and bringing up servers; - I'm able to run operations against the cluster. -Flavio On Nov 5, 2012, at 9:20 AM, Mahadev Konar wrote:

BK Blog post

2012-11-12 Thread Flavio Junqueira
FYI: http://developer.yahoo.com/blogs/ydn/posts/2012/11/bookkeeper-durability-at-scale/ -Flavio

Fwd: Hadoop Summit talks

2012-12-03 Thread Flavio Junqueira
Consider voting! -Flavio Begin forwarded message: From: Ivan Kelly iv...@apache.org Date: December 3, 2012 4:45:34 PM GMT+01:00 To: bookkeeper-u...@zookeeper.apache.org bookkeeper-u...@zookeeper.apache.org Subject: Hadoop Summit talks Reply-To: bookkeeper-u...@zookeeper.apache.org

Address already in use in Jenkins

2012-12-10 Thread Flavio Junqueira
I'm not really sure why we are getting this exception here in jenkins: https://builds.apache.org/job/bookkeeper-trunk/org.apache.bookkeeper$bookkeeper-server/849/testReport/junit/org.apache.bookkeeper.client/BookieRecoveryTest/ensurePasswordUsedForOldLedgers_2_/ In ZooKeeperUtil.java:86 we

Release 4.2.1

2012-12-13 Thread Flavio Junqueira
I have created an entry for release 4.2.1 in the system in the case we want to move small bugs (not blockers) to that release. -Flavio

Re: Performance measurement for ZooKeeper 3.5.0

2013-01-11 Thread Flavio Junqueira
Thanks a lot for sharing the results, Thawan. The 100% read value seems pretty cool, but there is really sharp drop with 1% writes, more than I expected. Is it because you're using a single disk? Any idea? -Flavio On Jan 11, 2013, at 12:30 AM, Thawan Kooburat tha...@fb.com wrote: Hi folks,

Re: Performance measurement for ZooKeeper 3.5.0

2013-01-12 Thread Flavio Junqueira
, Thawan Kooburat tha...@fb.com wrote: In short, I believe is it because write request is blocking the entire pipeline, so read request cannot go through. We are planing to work on ZOOKEEPER-1609 to fix this problem -- Thawan Kooburat On 1/11/13 1:06 AM, Flavio Junqueira fpjunque

Re: [VOTE] BookKeeper 4.2.0 Release Candidate 0

2013-01-14 Thread Flavio Junqueira
+1, I ran tests, started bookies and a hub, and checked rat, licenses, and binaries; it looks great to me. -Flavio On Jan 14, 2013, at 6:35 PM, Ivan Kelly iv...@apache.org wrote: This is the first release candidate for Apache BookKeeper, version 4.2.0. It fixes the following issues:

Re: [VOTE] BookKeeper 4.2.0 Release Candidate 0

2013-01-18 Thread Flavio Junqueira
Awesome job, Ivan and community! I'm very happy to see this one through. -Flavio On Jan 18, 2013, at 9:59 AM, Ivan Kelly iv...@apache.org wrote: As we have 6 +1s, including the necessary 3 PMC +1s, this vote has passed. As such, I will push this candidate as the release today and announce

Re: [Discussion] Read/Write semantic for BookKeeper and session fencing

2013-01-23 Thread Flavio Junqueira
. but as I explained before, if we have an incrementing session id for each writer, it is easy to distinguish m4 in b1 and m4 in b2 b3, since they are added by different sessions. On Tue, Jan 22, 2013 at 11:31 AM, Flavio Junqueira fpjunque...@yahoo.comwrote: No, I didn't mean a recovering

[ANNOUNCE] New BookKeeper committer: Uma Maheswara Rao G

2013-02-04 Thread Flavio Junqueira
The Apache ZooKeeper PMC recently extended committer karma to Uma and he has accepted. Congratulations and welcome aboard, Uma! -Flavio

Re: [VOTE] Release 4.1.1?

2013-02-13 Thread Flavio Junqueira
: we will migrate to 4.2 directly rather than going to 4.1.1 release. CC'd to user list as well. Regards, Uma From: Flavio Junqueira [fpjunque...@yahoo.com] Sent: Tuesday, February 05, 2013 8:31 PM To: bookkeeper-...@zookeeper.apache.org Subject

[ANNOUNCE] New BookKeeper committer: Jiannan Wang

2013-02-19 Thread Flavio Junqueira
The Apache ZooKeeper PMC recently extended committer karma to Jiannan and he has accepted. Congratulations and welcome aboard, Jiannan! -Flavio

Re: [VOTE] BookKeeper 4.2.1 Release Candidate 0

2013-02-19 Thread Flavio Junqueira
+1, I have run tests, rat, and checked the various project root files. -Flavio On Feb 19, 2013, at 6:52 PM, Ivan Kelly iv...@apache.org wrote: This is the first release candidate for Apache BookKeeper, version 4.2.1. This is a bugfix release to address the performance issues caused by

Re: RFC: Behavior of QuotaExceededException

2013-02-27 Thread Flavio Junqueira
It wouldn't be very nice to allow holes in the sequence of operations of a client, it would violate session semantics. I'm also wondering about a couple of things: - What does QuotaExceedException convey to the application? That the application client won't ever be able to send operations

[DISCUSS] Patch available backlog

2013-05-09 Thread Flavio Junqueira
I was checking the issues on jira and I realized that we have currently 76 patch available issues. This is a fairly large number and I'd like some help to get that number down. One way is to split issues among the folks willing to review patches. It would be great to have committers signing up

RE: [DISCUSS] recipes package

2013-05-15 Thread Flavio Junqueira
Just to make clear, are you guys talking about Curator recipes or the recipes under src/recipes in the ZooKeeper project? I'm referring to the code in the package org.apache.zookeeper.recipes, which is under src/recipes. I'm not referring to Curator recipes. Let me add some more information. I'm

New Apache ZooKeeper committer: Thawan Kooburat

2013-05-24 Thread Flavio Junqueira
The Apache ZooKeeper PMC is pleased to announce that we have extended committer karma to Thawan and he has accepted. Congratulations, Thawan! - The Apache ZooKeeper PMC

New Apache ZooKeeper PMC Member: Michi Mutsuzaki

2013-05-24 Thread Flavio Junqueira
The Apache ZooKeeper PMC is pleased to announce that we have invited Michi to join the PMC and he has accepted. Congratulations, Michi! - The Apache ZooKeeper PMC

Re: Zookeeper build fails on Windows

2013-05-31 Thread Flavio Junqueira
Hi Nikita, The only issue I could find has been resolved already: https://issues.apache.org/jira/browse/ZOOKEEPER-992 Are you trying to make trunk work or some earlier version? Also, if you know how to fix it, I'd encourage you to provide a patch. I can work with you if you need help.

Re: Zookeeper build fails on Windows

2013-05-31 Thread Flavio Junqueira
-WinVS2008 - Build # 847 - Still Failing letters from Jenkins in this list. 2013/5/31 Flavio Junqueira fpjunque...@yahoo.com Hi Nikita, The only issue I could find has been resolved already: https://issues.apache.org/jira/browse/ZOOKEEPER-992 Are you trying to make trunk work

Re: Features that depends on txnlog lookup and its integrity

2013-06-01 Thread Flavio Junqueira
I think this discussion has been triggered by a discussion we have had for ZOOKEEPER-1413. In the patch Thawan proposed there, there was a method reads txn logs and it simply logs an error in the case of an exception while reading the log. I raised the question of whether we should do more than

Credits page

2013-06-01 Thread Flavio Junqueira
I have updated the credits page with the new additions, let me know if something is not right, please. -Flavio

Re: Features that depends on txnlog lookup and its integrity

2013-06-03 Thread Flavio Junqueira
cases, but I don't see how it covers the case above. I think it doesn't, right? -Flavio -- Thawan Kooburat On 6/1/13 8:18 AM, Flavio Junqueira fpjunque...@yahoo.com wrote: I think this discussion has been triggered by a discussion we have had for ZOOKEEPER-1413

Re: Credits page

2013-06-03 Thread Flavio Junqueira
http://zookeeper.apache.org/credits.html There is a link on the main project page. Thanks for checking. -Flavio On Jun 3, 2013, at 10:44 PM, Edward Ribeiro edward.ribe...@gmail.com wrote: Link? :) Edward On Sat, Jun 1, 2013 at 2:16 PM, Flavio Junqueira fpjunque...@yahoo.comwrote: I

Re: Features that depends on txnlog lookup and its integrity

2013-06-10 Thread Flavio Junqueira
digests is possibly expensive, so we might need to look at ways to avoid the performance penalty, like caching txns in memory. One more comment below: On Jun 4, 2013, at 9:22 PM, Thawan Kooburat tha...@fb.com wrote: On 6/3/13 9:54 AM, Flavio Junqueira fpjunque...@yahoo.com wrote: On Jun 3, 2013

RE: questions about roadmap

2013-06-19 Thread Flavio Junqueira
I think our plan for to 2016 is to have zookeeper coordinating spaceships and before that zookeeper version 3.8.1 will be the first open source software to land on the moon. Now seriously, I don't think we have a plan that far ahead, and I'm not aware of private roadmaps. Some companies using

Re: Taking two snapshots at the same time

2013-07-08 Thread Flavio Junqueira
Sergey proposed a few approaches. Could you tells me how you implement it, Thawan, please? -Flavio On Jul 8, 2013, at 10:39 PM, Thawan Kooburat tha...@fb.com wrote: I have this functionality in our internal branch. I can post the patch but it is likely to conflict with ZOOKEEPER-1346, so

RE: [Release 3.5.0] Any news yet?

2013-07-09 Thread Flavio Junqueira
I'm not against having ZK-1147 in, but I'm not sure why that's a blocker. ZK-1549 is a blocker for me, and there are other 5 currently marked as blockers: Bug ZOOKEEPER-1667 Watch event isn't handled correctly when a client reestablish to a server Bug ZOOKEEPER-1551 Observer ignore

Re: [Release 3.5.0] Any news yet?

2013-07-10 Thread Flavio Junqueira
I've also been wondering about 3.4.6. I don't mind being the RM for 3.5.0 if you want to do 3.4.6. -Flavio On Jul 9, 2013, at 5:49 PM, Patrick Hunt ph...@apache.org wrote: I'd like to see a 3.5.0-alpha soon. I agree re 1147 and iirc it was pretty close (Mahadev?). ZOOKEEPER-1346 (jetty

Re: [Release 3.5.0] Any news yet?

2013-07-10 Thread Flavio Junqueira
or should Flavio try his hand at doing a release? Patrick On Wed, Jul 10, 2013 at 9:50 AM, Mahadev Konar maha...@hortonworks.com wrote: 1147 is pretty close. I am working on getting this into trunk. Hopefully today/tomm. thanks mahadev On Wed, Jul 10, 2013 at 7:01 AM, Flavio

Recovery time (was: Maximum size of a snapshot)

2013-07-17 Thread Flavio Junqueira
. On Tue, Jul 16, 2013 at 12:35 PM, Flavio Junqueira fpjunque...@yahoo.comwrote: The synchronization phase is part of the protocol and we use it to guarantee that we expose a consistent view of the state. During the synchronization phase, servers do not accept requests. Which behavior

Re: Recovery time (was: Maximum size of a snapshot)

2013-07-17 Thread Flavio Junqueira
I need to also mention ZOOKEEPER-1549 in the context of point (2) below. That's a blocker for 3.5.0. -Flavio On Jul 17, 2013, at 12:30 PM, Flavio Junqueira fpjunque...@yahoo.com wrote: Moving the discussion to dev but keeping user on CC. Let's step back. The reason why we started

Re: Zookeeper 3.3.4 guarantees across sessions from the same client ?

2013-08-02 Thread Flavio Junqueira
Hi Neha, Your proposal seems fine to me. When we close a session in PrepRequestProcessor, we line up all ephemerals of the session to be deleted, so as long as the create comes after those deletes, I don't see a problem with checking if the session is closing. Do you want to create a jira so

Re: Zookeeper 3.3.4 guarantees across sessions from the same client ?

2013-08-03 Thread Flavio Junqueira
it, then it would be good to check. -Flavio On Aug 3, 2013, at 1:22 AM, Flavio Junqueira fpjunque...@yahoo.com wrote: Hi Neha, Your proposal seems fine to me. When we close a session in PrepRequestProcessor, we line up all ephemerals of the session to be deleted, so as long as the create comes after

  1   2   3   4   5   6   7   8   9   10   >