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drop table problem -
HBase - [mail # user]
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| ...Normally you wouldn't need to remove the whole /hbase root on ZK. Removing the node which is related to your table should be enough. Restart your master so that it will read table state agai... |
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Hbase heap size -
HBase - [mail # user]
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| ...On Fri, Jan 18, 2013 at 3:24 AM, lars hofhansl wrote: > - The largest useful region size is 20G (at least that is the current > common tribal knowledge). > I'm usi... |
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Region status. -
HBase - [mail # user]
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| ...Perhaps can you dive into ZK nodes ? On Fri, Jan 11, 2013 at 9:32 PM, Jean-Marc Spaggiari wrote: > Thanks Ram. > > It was not for a test case, so I will try to fi... |
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Coprocessor / threading model -
HBase - [mail # user]
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| ...Thanks for pointing me out the Jira, that's useful for my understanding. I'm using HBase 0.94.3, and regions of main and index table are co-located on the same RS as in Anoop's design. I'll ... |
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Coprocessor / threading model - HBase - [mail # user]
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| ...Hi there, I'm experiencing some issues with CP. I'm trying to implement an indexing solution (inspired by Annop's slides). In pre-put, I trigger another Put() in an external table (to ... |
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HBase - Secondary Index -
HBase - [mail # user]
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| ...Are your talking about Data block encoding of K/V ? https://issues.apache.org/jira/browse/HBASE-4218 On Sun, Jan 6, 2013 at 9:36 PM, Mohit Anchlia wrote: > Does anyone has an... |
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HBase - Secondary Index - HBase - [mail # user]
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| ...Nice topic, perhaps one of the most important for 2013 :-) I still don't get how you're ensuring consistency between index table and main table, without an external component (such as bookke... |
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Fastest way to find is a row exist? -
HBase - [mail # user]
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| ...On every Get, BloomFilter is acting as a filter (!) on top of each HFile and allows to check if a key is absent from the HFile. So yes, you will benefit from these filters. On Fri, Ja... |
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Never ending major compaction? -
HBase - [mail # user]
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| ...Do you have 100% data locality ? How is the network trafic ? On Wed, Jan 2, 2013 at 7:07 AM, Ted Yu wrote: > bq. It took about 6h to complete. > > If the above be... |
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HBase table affinity to host(s) -
HBase - [mail # user]
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| ...Oh, thanks for that explanation ! On Thu, Dec 27, 2012 at 4:39 PM, Nicolas Liochon wrote: > You don't want the a balancer to move a region to a region server you're >... |
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HBase table affinity to host(s) - HBase - [mail # user]
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| ...Are you sure ? So why is the balancer disabled before rolling restart ? On Mon, Dec 24, 2012 at 2:04 AM, wrote: > They would move over to live region servers. > >... |
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recommended nodes -
HBase - [mail # user]
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| ...Maybe you should give a little more information about your RAID controller (write back / write through ?) and the underlying filesystem (ext3 ? blocksize ?). Very interesting benchmark... |
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recommended nodes - HBase - [mail # user]
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| ...Does HBase really benefit from 64 GB of RAM since allocating too large heap might increase GC time ? Another question : why not RAID 0, in order to aggregate disk bandwidth ? (and thus... |
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Can't enable, nor disable, nor truncate nor drop -
HBase - [mail # user]
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| ...Remove the inconsistant ZK node and restart the master, it should help ! On Thu, Dec 13, 2012 at 8:18 AM, Rajeshbabu Chintaguntla wrote: > Hi Alexander, This problem co... |
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