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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 22:26:22 GMT
All right!

Best,
Yingyi

On Sun, Aug 9, 2015 at 2:54 PM, Mike Carey <dtabass@gmail.com> wrote:

> Ah.  3x.  😃
> On Aug 9, 2015 2:53 PM, "Yingyi Bu" <buyingyi@gmail.com> wrote:
>
>> 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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