All right! Best, Yingyi
On Sun, Aug 9, 2015 at 2:54 PM, Mike Carey <[email protected]> wrote: > Ah. 3x. 😃 > On Aug 9, 2015 2:53 PM, "Yingyi Bu" <[email protected]> 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 <[email protected]> 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)" < >>> [email protected]> 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 <[email protected]> >>>> Gerrit-Reviewer: Ian Maxon <[email protected]> >>>> Gerrit-Reviewer: Jenkins <[email protected]> >>>> Gerrit-Reviewer: Yingyi Bu <[email protected]> >>>> Gerrit-Reviewer: Young-Seok Kim <[email protected]> >>>> Gerrit-HasComments: No >>>> >>> >>
