Re: Riak shuts down itself after couple of minutes

2015-08-07 Thread Alex Moore
Hi Hao,

Looks like you might be running into an EMFILE error:  
http://docs.basho.com/riak/latest/community/faqs/logs/#riak-logs-contain-error-emfile-in-the-message
 
http://docs.basho.com/riak/latest/community/faqs/logs/#riak-logs-contain-error-emfile-in-the-message

What’s the open files limit on your nodes?

Thanks,
Alex

 On Aug 7, 2015, at 11:55 AM, 王昊 jusf...@163.com wrote:
 
 I am running it on a single node.
 
 Using Erlang riak client. I added a map bucket type, create a new index, set 
 the index on a bucket, saved a few map data into the bucket. Then I did some 
 search. All good. Then I can remember I tried a invalid search query like 
 title_s_register:[New movie one] which shuts down Riak. But it may or may 
 not be the first time Riak starts to shut down. I can't remember.
 
 Now Riak itself shut down after running a few minutes.  I must have done 
 something really wrong. Any idea what I can do? I have tired to restore 
 bitcask data folder from a backup from days ago. It didn't help. It still 
 crashes.
 
 The console.log is here : http://www.pastebin.ca/3092510 
 http://www.pastebin.ca/3092510
 The error begins at Line 172
 
 Anyone can help? Much appreciated.
 
 -Hao
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Re: Re: Riak shuts down itself after couple of minutes

2015-08-07 Thread Cuyler Jones
Hi Hao --

As Alex said, the error you're receiving is generally related to open file
limits set by your OS configuration. Riak requires a large number of
available open files handles. You can find information on how to up your
limits here: http://docs.basho.com/riak/latest/ops/tuning/open-files-limit/

Hope that helps!

Thanks!

Cuyler

On Fri, Aug 7, 2015 at 9:13 AM, Hao jusf...@163.com wrote:

 Which one? I am bit of lost.

 [root@localhost riak_data]# cat /proc/sys/fs/file-max
 786810
 [root@localhost riak_data]# ulimit -Hn
 4096
 [root@localhost riak_data]# ulimit -Sn
 1024

 --Hao



 在 2015-08-07 23:58:56,Alex Moore amo...@basho.com 写道:

 Hi Hao,

 Looks like you might be running into an EMFILE error:
 http://docs.basho.com/riak/latest/community/faqs/logs/#riak-logs-contain-error-emfile-in-the-message

 What’s the open files limit on your nodes?

 Thanks,
 Alex

 On Aug 7, 2015, at 11:55 AM, 王昊 jusf...@163.com wrote:

 I am running it on a single node.

 Using Erlang riak client. I added a map bucket type, create a new index,
 set the index on a bucket, saved a few map data into the bucket. Then I did
 some search. All good. Then I can remember I tried a invalid search query
 like title_s_register:[New movie one] which shuts down Riak. But it may
 or may not be the first time Riak starts to shut down. I can't remember.

 Now Riak itself shut down after running a few minutes.  I must have done
 something really wrong. Any idea what I can do? I have tired to restore
 bitcask data folder from a backup from days ago. It didn't help. It still
 crashes.

 The console.log is here : http://www.pastebin.ca/3092510
 The error begins at Line 172

 Anyone can help? Much appreciated.

 -Hao
 ___
 riak-users mailing list
 riak-users@lists.basho.com
 http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com



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