Re: where is kudu's dump core located?

2016-04-05 Thread Todd Lipcon
BTW, I filed https://issues.apache.org/jira/browse/KUDU-1396 for this bug. Thanks for helping us track it down! On Tue, Apr 5, 2016 at 11:05 PM, Todd Lipcon wrote: > Hi Darren, > > Thanks again for the core. I got a chance to look at it, and it looks to > me like you have a value which is 58KB l

Re: where is kudu's dump core located?

2016-04-05 Thread Todd Lipcon
Hi Darren, Thanks again for the core. I got a chance to look at it, and it looks to me like you have a value which is 58KB large which is causing the issue here. In particular, what seems to have happened is that there is an UPDATE delta which is 58KB, and we have a bug in our handling of index bl

Re: Please welcome Binglin Chang as a Kudu committer and PPMC member

2016-04-05 Thread Binglin Chang
Thanks for the warm welcome! Will learn more from the kudu team and looking forward to contribute more. On Tue, Apr 5, 2016 at 12:11 PM, Todd Lipcon wrote: > Hi Kudu community, > > On behalf of the Apache Kudu PPMC, I am please to announce that Binglin > Chang has been elected as our newest PPMC

Re: where is kudu's dump core located?

2016-04-05 Thread Todd Lipcon
On Tue, Apr 5, 2016 at 6:27 PM, Darren Hoo wrote: > Thanks Todd, > > let me try giving a little more details here. > > When I first created the table and loaded about 100k records, kudu tablet > server started to crash and very often. > > So I suspect that maybe the data file is corrupted and I

Re: where is kudu's dump core located?

2016-04-05 Thread Darren Hoo
Thanks Todd, let me try giving a little more details here. When I first created the table and loaded about 100k records, kudu tablet server started to crash and very often. So I suspect that maybe the data file is corrupted and I dump the table as parquet file , drop the table, recreate the tab

Re: where is kudu's dump core located?

2016-04-05 Thread Todd Lipcon
Hi Darren, This is interesting. I haven't seen a crash that looks like this, and not sure why it would cause data to disappear either. By any chance do you have some workload that can reproduce the issue? e.g. a particular data set that you are loading that seems to be causing problems? Maybe yo

Re: where is kudu's dump core located?

2016-04-05 Thread Darren Hoo
On Wed, Apr 6, 2016 at 8:23 AM, Todd Lipcon wrote: > On Tue, Apr 5, 2016 at 5:20 PM, Darren Hoo wrote: > >> kudu constantly crashes after running serveral hours. >> >> > Do you have anything in your logs? /var/log/kudu/kudu-tserver.WARNING for > example? or .INFO? The last few lines should be in

Re: where is kudu's dump core located?

2016-04-05 Thread Todd Lipcon
On Tue, Apr 5, 2016 at 5:20 PM, Darren Hoo wrote: > kudu constantly crashes after running serveral hours. > > Do you have anything in your logs? /var/log/kudu/kudu-tserver.WARNING for example? or .INFO? The last few lines should be informative as to what is causing it to crash. > So I've enable

where is kudu's dump core located?

2016-04-05 Thread Darren Hoo
kudu constantly crashes after running serveral hours. So I've enabled dumping core in cloudera manager, but where is it located? every time some of the tablet servers crash, partial of the data is lost, this is so scary. I am using kudu 0.7.1

Re: Please welcome Binglin Chang as a Kudu committer and PPMC member

2016-04-05 Thread Misty Stanley-Jones
Welcome, and thanks for your contributions so far! On Mon, Apr 4, 2016 at 9:11 PM, Todd Lipcon wrote: > Hi Kudu community, > > On behalf of the Apache Kudu PPMC, I am please to announce that Binglin > Chang has been elected as our newest PPMC member and committer. Binglin has > been contributing

Re: Please welcome Binglin Chang as a Kudu committer and PPMC member

2016-04-05 Thread David Alves
Welcome Binglin! Keep up the awesome work. -david On Tue, Apr 5, 2016 at 5:11 AM, Todd Lipcon wrote: > Hi Kudu community, > > On behalf of the Apache Kudu PPMC, I am please to announce that Binglin > Chang has been elected as our newest PPMC member and committer. Binglin has > been contributing

Re: Please welcome Binglin Chang as a Kudu committer and PPMC member

2016-04-05 Thread Dan Burkert
Welcome, Binglin! - Dan On Mon, Apr 4, 2016 at 9:28 PM, Mike Percy wrote: > Welcome aboard, Binglin! Looking forward to your continued contributions to > the project! > > Best, > Mike > > On Mon, Apr 4, 2016 at 9:11 PM, Todd Lipcon wrote: > > > Hi Kudu community, > > > > On behalf of the Apach

Re: Please welcome Binglin Chang as a Kudu committer and PPMC member

2016-04-05 Thread Jacques Nadeau
Congrats Binglin! On Tue, Apr 5, 2016 at 6:47 AM, Jean-Daniel Cryans wrote: > Welcome to the team, Binglin! > > On Mon, Apr 4, 2016 at 9:11 PM, Todd Lipcon wrote: > > > Hi Kudu community, > > > > On behalf of the Apache Kudu PPMC, I am please to announce that Binglin > > Chang has been elected

Re: Please welcome Binglin Chang as a Kudu committer and PPMC member

2016-04-05 Thread Jean-Daniel Cryans
Welcome to the team, Binglin! On Mon, Apr 4, 2016 at 9:11 PM, Todd Lipcon wrote: > Hi Kudu community, > > On behalf of the Apache Kudu PPMC, I am please to announce that Binglin > Chang has been elected as our newest PPMC member and committer. Binglin has > been contributing to Kudu steadily ove