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RE: what's the typical scan latency? - HBase - [mail # user]
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...Thanks Amit In my envionment, I run a dozens of client to read about 5-20K data per scan concurrently, And the average read latency for cached data is around 5-20ms. So it seems there ...
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Author: Liu, Raymond,
2013-06-04, 01:02
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what's the typical scan latency? - HBase - [mail # user]
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...Hi If all the data is already in RS blockcache. Then what's the typical scan latency for scan a few rows from a say several GB table ( with dozens of regions ) on a small cluster wit...
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Author: Liu, Raymond,
2013-06-03, 08:30
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RE: checkAnd... - HBase - [mail # user]
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...How about this one : https://issues.apache.org/jira/browse/HBASE-8542 Best Regards, Raymond Liu ...
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Author: Liu, Raymond,
2013-05-16, 03:20
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RE: How to implement this check put and then update something logic? - HBase - [mail # user]
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...Well, this did come from a graph domain. However, I think this could be a common problem when you need to update something according to the original value where a simple checkAndPut on...
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Author: Liu, Raymond,
2013-05-13, 07:42
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RE: How to implement this check put and then update something logic? - HBase - [mail # user]
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...Thanks, seems there are no other better solution? Really need a "GetAndPut" atomic op here ... ...
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Author: Liu, Raymond,
2013-05-10, 08:47
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RE: How to implement this check put and then update something logic? - HBase - [mail # user]
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Author: Liu, Raymond,
2013-05-10, 00:52
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RE: How to implement this check put and then update something logic? - HBase - [mail # user]
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...Oh, I realized that it is better to be named as GetAndMutate, say Mutate anyway, but return the original value. ...
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Author: Liu, Raymond,
2013-05-08, 07:38
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How to implement this check put and then update something logic? - HBase - [mail # user]
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...Hi Say, I have four field for one record :id, status, targetid, and count. Status is on and off, target could reference other id, and count will record the number of "on" status for ...
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Author: Liu, Raymond,
2013-05-08, 07:22
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RE: 答复: HBase random read performance - HBase - [mail # user]
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...So what is lacking here? The action should also been parallel inside RS for each region, Instead of just parallel on RS level? Seems this will be rather difficult to implement, and for Get, ...
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Author: Liu, Raymond,
2013-04-16, 07:49
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RE: composite query on hbase and rcfile - HBase - [mail # user]
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...I guess rob mean that use one query to query rcfile and HBASE table at the same time. If your query is on two table, one upon rcfile, another upon HBASE through hbase storage handler, I thin...
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Author: Liu, Raymond,
2013-04-11, 02:08
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