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Proposal: HBase Hackathon Aug 22 @ FB - HBase - [mail # dev]
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...Chatted on IRC with Stack & a couple others. We would like to host a Hacka thon + Meetup on August 22 at Facebook in Palo Alto. All welcome. Unless objection, I'll p...
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Author: Nicolas Spiegelberg,
2011-08-04, 20:50
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Re: [DISCUSSION] Move hfile to v2 for 0.92 rather than 0.94? - HBase - [mail # dev]
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...+1 for 0.92. This has received a lot of testing and code review internally. We have already found/fixed a number of advanced bugs before even submitti ng the initial patch. Very high q...
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Author: Nicolas Spiegelberg,
2011-07-27, 06:25
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Re: Compaction problems - HBase - [mail # user]
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...Note that we have a compaction recursive enqueue patch on our internal branches, but we wanted to give it some run time before contributing back to make sure it was safe. I'll port tha...
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Author: Nicolas Spiegelberg,
2011-04-27, 23:42
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Re: Interesting YCBS Benchmark - HBase - [mail # dev]
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...These slides were presented at FOSDEM, the conference where I just spoke ab out FB & HBase. I went to the talk. There were some glaringly obvious problems that came out d...
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Author: Nicolas Spiegelberg,
2011-02-11, 17:01
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Re: Overhead of Bloomfilters - HBase - [mail # dev]
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...A great article for Bloom Filter rules of thumb: http://corte.si/posts/code/bloom-filter-rules-of-thumb/ Note that only rules #1 & #2 apply for our use case. Rule #3, while true,...
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Author: Nicolas Spiegelberg,
2011-01-25, 16:11
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Video: The Underlying Technology of Facebook Messages - HBase - [mail # user]
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...For those interested, our engineering bloggers just posted the video of ou r tech talk about using HBase as the datastore behind Facebook messages. T hanks for being a great comm...
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Author: Nicolas Spiegelberg,
2011-01-08, 01:35
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Re: Good VLDB paper on WALs - HBase - [mail # dev]
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...+1 for ELR. I think having some data structure where we prepare the next stage of sync() operations instead of holding the row lock over the sync would be a big win for hot regions wit...
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Author: Nicolas Spiegelberg,
2010-12-29, 22:18
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Re: bloom filter types - HBase - [mail # dev]
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...I don't think there's an explicit wiki. Which option depends on whether your use case is calling get() for entire rows or for specific columns in a row. It also depends on analyzing yo...
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Author: Nicolas Spiegelberg,
2010-12-29, 22:06
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Re: Hlog Group Commit Question: SequenceFileLogReader - HBase - [mail # dev]
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...Sounds like I also have 0.20.3RC merging as well. Version mistake on my behalf. We have a 0.20.3-dev that must've missed the 'syncfs' changes. I was merging based solely on...
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Author: Nicolas Spiegelberg,
2010-01-26, 23:50
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Hlog Group Commit Question: SequenceFileLogReader - HBase - [mail # dev]
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...Hi, I am trying to backport the HLog group commit functionality to Hbase 0.20. For proper reliability, I am working with Dhruba to get the 0.21 syncFs() changes from HDFS ...
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Author: Nicolas Spiegelberg,
2010-01-26, 20:35
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