This particular job has 1353 map tasks, Hadoop cluster has 5 nodes with total map task capacity of 25. Elasticsearch cluster has 4 nodes.
Where can I find the bulk size/entries numbers? Thanks, Zach On Wed, Oct 1, 2014 at 7:19 AM, Costin Leau <[email protected]> wrote: > The error indicates the ES nodes don't reply in a timely fashion and thus > the connection drops. Based on your logs it seems to be either a GC or a > network issue. > You could try turning on logging in package 'org.elasticsearch.hadoop.rest' > to DEBUG. > How many tasks do you have and what's your bulk size/entries number? > > > On 10/1/14 2:15 PM, Zach Cox wrote: >> >> Hi Costin - we updated our dependencies to use elasticsearch-hadoop >> 2.0.2.BUILD-SNAPSHOT, but that didn't seem to change >> anything. We're still seeing the same task failures while trying to write >> to Elasticsearch. The only difference in the >> logs is that now I don't see the SimpleHttpConnectionManager warnings. >> >> Any ideas what we could try next? >> >> Thanks, >> Zach >> >> >> On Tuesday, September 30, 2014 10:54:27 AM UTC-5, Costin Leau wrote: >> >> Can you please try the 2.0.2.BUILD-SNAPSHOT? I think you might be >> running into issue #256 which was fixed some time ago >> and will be part of the upcoming >> 2.0.2, 2.1 Beta2. >> >> Cheers, >> >> On 9/30/14 6:43 PM, Zach Cox wrote: >> > Hi Costin: >> > >> > elasticsearch-hadoop 2.0.0 >> > cascading 2.5.4 >> > scalding 0.10.0 >> > >> > Thanks, >> > Zach >> > >> > >> > On Tuesday, September 30, 2014 10:25:10 AM UTC-5, Costin Leau wrote: >> > >> > What version of es-hadoop/es/cascading are you using? >> > >> > On 9/30/14 6:16 PM, Zach Cox wrote: >> > > Hi - we're having problems with one of our map-reduce jobs >> that writes to Elasticsearch. Lots of map tasks are failing >> > > due to ES being "unavailable", with logs like this: >> > > >> > >> > https://gist.githubusercontent.com/zcox/3d6cf4329d49ca03271b/raw/57c46a5e4c9ea04d5c4209414d6f847492d16c0d/gistfile1.txt >> >> < https://gist.githubusercontent.com/zcox/3d6cf4329d49ca03271b/raw/57c46a5e4c9ea04d5c4209414d6f847492d16c0d/gistfile1.txt > >> >> > >> < https://gist.githubusercontent.com/zcox/3d6cf4329d49ca03271b/raw/57c46a5e4c9ea04d5c4209414d6f847492d16c0d/gistfile1.txt >> >> < https://gist.githubusercontent.com/zcox/3d6cf4329d49ca03271b/raw/57c46a5e4c9ea04d5c4209414d6f847492d16c0d/gistfile1.txt >> >> >> > >> > > >> > > Seems like elasticsearch-hadoop tries talking to an ES node, >> it times out, tries the next one, it times out, etc until >> > > all nodes in the cluster are exhausted and then it gives up. >> > > >> > > As far as I can tell, the ES cluster is healthy while this is >> occurring. May map tasks are succeeding - probably about >> > > 10% of the attempts are killed due to this issue. The main >> problem is that these killed tasks waste a lot of time, and >> > > slow down the overall job execution. >> > > >> > > I'm not sure where to troubleshoot this next. Does anyone have >> any idea what would cause all of these time outs & failures? >> > > >> > > I'm also curious about the lines like this: >> > > >> > > 2014-09-30 12:49:20,469 WARN >> org.apache.commons.httpclient.SimpleHttpConnectionManager: >> SimpleHttpConnectionManager being used incorrectly. Be sure that >> > HttpMethod.releaseConnection() is always called and that only >> one thread and/or method is using this connection >> > manager at a time. >> > > >> > > >> > > Would that be related to the timeout problem we're seeing? >> > > >> > > Thanks, >> > > Zach >> > > >> > > -- >> > > You received this message because you are subscribed to the >> Google Groups "elasticsearch" group. >> > > To unsubscribe from this group and stop receiving emails from >> it, send an email to >> > >[email protected] <javascript:> >> <mailto:[email protected] <javascript:> >> <javascript:>>. >> > > To view this discussion on the web visit >> > >> > https://groups.google.com/d/msgid/elasticsearch/f304a286-399f-4dea-b7f0-032b19ad67e6%40googlegroups.com >> >> < https://groups.google.com/d/msgid/elasticsearch/f304a286-399f-4dea-b7f0-032b19ad67e6%40googlegroups.com > >> > >> < https://groups.google.com/d/msgid/elasticsearch/f304a286-399f-4dea-b7f0-032b19ad67e6%40googlegroups.com >> >> < https://groups.google.com/d/msgid/elasticsearch/f304a286-399f-4dea-b7f0-032b19ad67e6%40googlegroups.com >> >> > > >> < https://groups.google.com/d/msgid/elasticsearch/f304a286-399f-4dea-b7f0-032b19ad67e6%40googlegroups.com?utm_medium=email&utm_source=footer >> >> < https://groups.google.com/d/msgid/elasticsearch/f304a286-399f-4dea-b7f0-032b19ad67e6%40googlegroups.com?utm_medium=email&utm_source=footer > >> >> > >> < https://groups.google.com/d/msgid/elasticsearch/f304a286-399f-4dea-b7f0-032b19ad67e6%40googlegroups.com?utm_medium=email&utm_source=footer >> >> < https://groups.google.com/d/msgid/elasticsearch/f304a286-399f-4dea-b7f0-032b19ad67e6%40googlegroups.com?utm_medium=email&utm_source=footer >>>. >> >> > >> > > For more options, visithttps://groups.google.com/d/optout >> <http://groups.google.com/d/optout> <https://groups.google.com/d/optout >> <https://groups.google.com/d/optout>>. >> > -- >> > Costin >> > >> > -- >> > You received this message because you are subscribed to the Google >> Groups "elasticsearch" group. >> > To unsubscribe from this group and stop receiving emails from it, >> send an email to >> >[email protected] <javascript:> >> <mailto:[email protected] <javascript:>>. >> > To view this discussion on the web visit >> >> > https://groups.google.com/d/msgid/elasticsearch/034d651e-8562-4dde-bbb9-b3fef6d0d0b9%40googlegroups.com >> >> < https://groups.google.com/d/msgid/elasticsearch/034d651e-8562-4dde-bbb9-b3fef6d0d0b9%40googlegroups.com > >> > >> < https://groups.google.com/d/msgid/elasticsearch/034d651e-8562-4dde-bbb9-b3fef6d0d0b9%40googlegroups.com?utm_medium=email&utm_source=footer >> >> < https://groups.google.com/d/msgid/elasticsearch/034d651e-8562-4dde-bbb9-b3fef6d0d0b9%40googlegroups.com?utm_medium=email&utm_source=footer >>. >> >> > For more options, visithttps://groups.google.com/d/optout >> <https://groups.google.com/d/optout>. >> >> -- >> Costin >> >> -- >> You received this message because you are subscribed to the Google Groups >> "elasticsearch" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to >> [email protected] >> <mailto:[email protected]>. >> To view this discussion on the web visit >> >> https://groups.google.com/d/msgid/elasticsearch/90b059ef-680e-4b5c-a0c9-dc5e5038205a%40googlegroups.com >> >> < https://groups.google.com/d/msgid/elasticsearch/90b059ef-680e-4b5c-a0c9-dc5e5038205a%40googlegroups.com?utm_medium=email&utm_source=footer >. >> For more options, visit https://groups.google.com/d/optout. > > > -- > Costin > > -- > You received this message because you are subscribed to a topic in the > Google Groups "elasticsearch" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/elasticsearch/BKR18lczF1w/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/elasticsearch/542BF16B.6010103%40gmail.com . > > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/elasticsearch/CANjo42x_aAnkbFefsbrtxx8U_S2FAoMCY2esmsTSOPs9RfPR%2BA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
