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From Yingyi Bu <buyin...@gmail.com>
Subject Re: Change in hyracks[master]: This change includes: 1. avoid calling ByteBuffer.get() and ...
Date Sun, 09 Aug 2015 21:53:20 GMT
X is the number of pages in the buffer cache.
2X or 3X refer to the hash table size.

Best,
Yingyi

On Sun, Aug 9, 2015 at 2:51 PM, Mike Carey <dtabass@gmail.com> wrote:

> Can someone give a high level hint about what the 2 or 3x is x'ing?
> On Aug 9, 2015 11:38 AM, "Yingyi Bu (Code Review)" <
> do-not-reply@asterix-gerrit.ics.uci.edu> wrote:
>
>> Yingyi Bu has posted comments on this change.
>>
>> Change subject: This change includes: 1. avoid calling ByteBuffer.get()
>> and ByteBuffer.put() for bloom filter set/get operations. ByteBuffer will
>> check boundaries of the index for get/put. It's a very frequent operation.
>> 2. let the hash table size in BufferCache be 3X of
>> ......................................................................
>>
>>
>> Patch Set 1:
>>
>> I don't have a strong opinion for the 3X thing.  You guys decide...
>>
>> --
>> To view, visit https://asterix-gerrit.ics.uci.edu/345
>> To unsubscribe, visit https://asterix-gerrit.ics.uci.edu/settings
>>
>> Gerrit-MessageType: comment
>> Gerrit-Change-Id: Ifd47c410338ce557a494ab3605660bad1899e786
>> Gerrit-PatchSet: 1
>> Gerrit-Project: hyracks
>> Gerrit-Branch: master
>> Gerrit-Owner: Yingyi Bu <buyingyi@gmail.com>
>> Gerrit-Reviewer: Ian Maxon <imaxon@apache.org>
>> Gerrit-Reviewer: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
>> Gerrit-Reviewer: Yingyi Bu <buyingyi@gmail.com>
>> Gerrit-Reviewer: Young-Seok Kim <kisskys@gmail.com>
>> Gerrit-HasComments: No
>>
>

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