Hi,   Recently I was trying to add new hosts to my cluster. I add role to new host but Cloudera didn't create config files nor directories on datanode host. In cloudera manager process stuck on last step ( in this case it was YARN) when config files should be created. I did back and close "add new role" option. I can see in Cloudera manager new host and it's role but cloudera manager tells me to "redeploy config". When I try do this I get message "File is empty" and nothing happens. ... View more

Hi,   I've got little hadoop cluster with yarn as resource manager. Everything works fine except  jobhistory. When I run yarn job history it points me to backup server not my primary. I also get message :" Aggregation may not be complete, Check back later or try the nodemanager". I have second cluster with the same configuration which works fine... Can anyone point me what can be wrong ?   Best regards,   Morbious ... View more

Hi,   For testing purpose I converted apache logs into parquet format using apache drill and imported it to impala. Is there any good documentation how to do it in real time ( like stream data into something which put it into impala) ? Should I use hive instead of impala to do it ?   Best regards,   Morbious ... View more

Hi,   I wonder if it is possible to get all query logs in one place instead of each node where query was executed. For 3 machines it's all right but when you have 6 behind haproxy it become hard...   Best regards,   Morbious ... View more

Hi,   I wonder if there is any good documentation about configuring impala without Cloudera Manager ? I have little cluster ( 1 master , 2 backups  and 6 slaves ) and I'm trying to setup Impala on it but I'm not sure if I did it right. I also try use llama but seems to me that it doesn't work.   Best regards,   Morbious ... View more

Hi,   Recently I tried to  install llama on my master nodes. I'm a little bit confuse about settings because: 1) should llama running on both of my master nodes ? 2) I want to disable TRACE and DEBUG logs but couldn't find any solution to do this   2015-09-17 11:22:57,436 TRACE DefaultTracerDriver - Trace: GetDataBuilderImpl-Foreground - 3 ms 2015-09-17 11:22:57,987 DEBUG ClientCnxn - Got ping response for sessionid: 0x14fdb08888d0001 after 1ms 2015-09-17 11:22:59,439 DEBUG ClientCnxn - Reading reply sessionid:0x14fdb08888d0002, packet:: clientPath:null serverPath:null finished:false header:: 47,4  replyHeader:: 47,171798691886,0  request:: '/llama/fencing,F  response:: #64756d6d792d64617461,s{150323916020,150323916020,1442484245619,1442484245619,0,0,2343,0,10,0,150323916020} 2015-09-17 11:22:59,440 TRACE DefaultTracerDriver - Trace: GetDataBuilderImpl-Foreground - 3 ms 2015-09-17 11:23:01,324 DEBUG ClientCnxn - Got ping response for sessionid: 0x14fdb08888d0001 after 1ms 2015-09-17 11:23:01,443 DEBUG ClientCnxn - Reading reply sessionid:0x14fdb08888d0002, packet:: clientPath:null serverPath:null finished:false header:: 48,4  replyHeader:: 48,171798691886,0  request:: '/llama/fencing,F  response:: #64756d6d792d64617461,s{150323916020,150323916020,1442484245619,1442484245619,0,0,2343,0,10,0,150323916020} 2015-09-17 11:23:01,443 TRACE DefaultTracerDriver - Trace: GetDataBuilderImpl-Foreground - 3 ms   Best regards,   Morbious ... View more

Hi, I couldn't find any documentation about limiting scratch file. Can anyone point me if it's possible? What happens when I run out of free space ? Best regards, Morbious ... View more