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 >>> >> >
