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Re: keyvalue cache - HBase - [mail # dev]
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...A client-side memcached setup can stay pretty consistent if you send all of your puts and deletes through it before sending them to hbase, but yeah, I guess you lose strict consistency under...
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Author: Matt Corgan,
2012-04-04, 22:28
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Re: keyvalue cache - HBase - [mail # dev]
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...in the mean time, memcached could provide all those benefits without adding any complexity to hbase... On Wed, Apr 4, 2012 at 2:46 PM, Matt Corgan wrote: in be m ? 4K d. a...
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Author: Matt Corgan,
2012-04-04, 21:53
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Re: keyvalue cache - HBase - [mail # dev]
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...It could act like a HashSet of KeyValues keyed on the rowKey+family+qualifier but not including the timestamp. As writes come in it would evict or overwrite previous versions (read-thr...
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Author: Matt Corgan,
2012-04-04, 21:46
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Re: keyvalue cache - HBase - [mail # dev]
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...I guess the benefit of the KV cache is that you are not holding entire 64K blocks in memory when you only care about 200 bytes of them. Would an alternative be to set a small block siz...
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Author: Matt Corgan,
2012-04-04, 18:40
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Re: 0.92 and Read/writes not scaling - HBase - [mail # user]
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...When you increased regions on your previous test, did it start maxing out CPU? What improvement did you see? Have you tried increasing the memstore flush size to something like 5...
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Author: Matt Corgan,
2012-03-26, 13:58
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Re: HBASE Code format - HBase - [mail # dev]
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...I used to work in a little brick building on the canal in Washington, DC where they invented the punchcard early last century. If they had just foreseen self-documenting code with thin...
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Author: Matt Corgan,
2012-03-22, 19:19
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Re: 0.92 and Read/writes not scaling - HBase - [mail # user]
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...I'd be curious to see what happens if you split the table into 1 region per CPU core, so 24 cores * 11 servers = 264 regions. Each region has 1 memstore which is a ConcurrentSkipListMa...
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Author: Matt Corgan,
2012-03-19, 16:55
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Re: Follow-up to my HBASE-4365 testing - HBase - [mail # dev]
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...https://issues.apache.org/jira/browse/HBASE-5479 JD - apologies if that was unrelated to your email On Sat, Feb 25, 2012 at 4:03 PM, Matt Corgan wrote: ...
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Author: Matt Corgan,
2012-02-26, 00:51
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Re: Follow-up to my HBASE-4365 testing - HBase - [mail # dev]
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...Yeah. You would also want a mechanism to prevent queuing the same CF multiple times, and probably want the completion of one compaction to trigger a check to see if it should queue ano...
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Author: Matt Corgan,
2012-02-26, 00:03
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Re: Follow-up to my HBASE-4365 testing - HBase - [mail # dev]
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...I've been meaning to look into something regarding compactions for a while now that may be relevant here. It could be that this is already how it works, but just to be sure I'll spell ...
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Author: Matt Corgan,
2012-02-25, 23:18
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