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Re: GET performance degrades over time - HBase - [mail # user]
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...Hi Viral, some questions: Are you adding new data or deleting data over time? Do you have bloom filters enabled? Which version of Hadoop? Anything funny the Datanode logs...
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Author: lars hofhansl,
2013-05-17, 06:38
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Re: Question about HFile seeking - HBase - [mail # user]
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...We use the index blocks to find the right block (we have 64k blocks by default). Once we found the block we a linear search for the KV we're looking for. In your example, you'd find th...
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Author: lars hofhansl,
2013-05-17, 06:32
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Re: 0.94 Security + Jira - HBase - [mail # dev]
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...That is what I was trying to say. Unless I hear objections I will increase the frequency to match the 0.94 build. (But will leave it at running the limited test suite instead of the full sui...
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Author: lars hofhansl,
2013-05-16, 03:40
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Re: 0.94 Security + Jira - HBase - [mail # dev]
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...Or we can run it more frequently...? From: Elliott Clark To: "[EMAIL PROTECTED]" Cc: Sent: Wednesday, May 15, 2013 3:43 PM Subject: 0.94 Security + Jira ...
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Author: lars hofhansl,
2013-05-15, 23:43
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Re: Where is scanner startRow used - HBase - [mail # dev]
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...Do you have some more details? Why would a scan in a tall schema be all over the place but in a wide schema it is not? How wide were the rows before? About 50 columns? From: Va...
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Author: lars hofhansl,
2013-05-15, 20:20
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Time to tie the bow around 0.94.8 - HBase - [mail # dev]
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...I would like spin a 0.94.8 RC during the coming week. 0.94.8 currently 27 resolved issues and 9 in "patch available" status. It would be nice to get closure on the open issues soon. Th...
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Author: lars hofhansl,
2013-05-15, 03:35
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Re: All region server died due to "Parent directory doesn't exist" - HBase - [mail # dev]
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...Nope. That does not appear to be the problem. ________________________________ From: Enis Söztutar To: "[EMAIL PROTECTED]" ; lars hofhansl Sent: Thursday, May 9, 20...
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Author: lars hofhansl,
2013-05-10, 05:47
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Re: All region server died due to "Parent directory doesn't exist" - HBase - [mail # dev]
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...Still looking. Stack and Himanshu are looking too (tanks again!). What I do know is that it has to do the fencing mechanism during log splitting. Until I bounced HDFS and ZK (ZK probab...
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Author: lars hofhansl,
2013-05-10, 04:25
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Re: All region server died due to "Parent directory doesn't exist" - HBase - [mail # dev]
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...Good news is that as far as I can tell no data was lost. Eventually all logs were split and replayed. From: lars hofhansl To: HBase Dev List Cc: Sent: T...
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Author: lars hofhansl,
2013-05-09, 18:28
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Re: All region server died due to "Parent directory doesn't exist" - HBase - [mail # dev]
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...Thanks Stack. I sent the logs. Also, I have since bounced HDFS and ZK and the problem is gone now (I can start RSs again and they stay up). Something got into a weird state. &nb...
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Author: lars hofhansl,
2013-05-09, 18:13
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