I am concerned this is not a valid technical veto and it’s time for the PMC to take a more active role. This is poison to collaboration and it is affecting multiple people.
> On Nov 17, 2020, at 5:43 PM, 张铎 <palomino...@gmail.com> wrote: > > Hi, bring my -1 from the HEAD-UP thread, this is a veto. > > My concerns have not been fully resolved. Let's work it out on jira. > > Thanks. > > clara xiong <clarax98...@gmail.com> 于2020年11月18日周三 上午1:51写道： > >> +1 >> >>> On Tue, Nov 17, 2020 at 9:49 AM Huaxiang Sun <huaxiang...@gmail.com> >>> wrote: >>> >>> +1 >>> >>> On Tue, Nov 17, 2020 at 9:21 AM Bharath Vissapragada < >> bhara...@apache.org> >>> wrote: >>> >>>> +1. Reviewed the design doc and the consolidated patch, great >>> improvement, >>>> thanks for putting this together. >>>> >>>> On Tue, Nov 17, 2020 at 9:09 AM Stack <st...@duboce.net> wrote: >>>> >>>>> +1 >>>>> S >>>>> >>>>> On Tue, Nov 17, 2020 at 8:43 AM Stack <st...@duboce.net> wrote: >>>>> >>>>>> Please VOTE on whether to merge HBASE-18070 feature branch to >> master >>>> (and >>>>>> HBASE-18070.branch-2 to branch-2). The VOTE runs for 24 hours. The >>>>> majority >>>>>> prevails (+ or -). >>>>>> >>>>>> Quoting the design lead-in: >>>>>> >>>>>> Read Replicas on the hbase:meta Table currently only does primitive >>>> read >>>>>> of the primary’s hfiles refreshing every (configurable) N seconds. >>> This >>>>>> issue is about making it so we can do the Async WAL Replication >>>>>> <http://hbase.apache.org/book.html#_asnyc_wal_replication> >> ability, >>>>>> currently only available for user-space Tables, against the >>> hbase:meta >>>>>> system Tables too; i.e. the primary replica pushes edits to its >>>> Replicas >>>>> so >>>>>> they run much closer to the primaries’ state. If clients could be >>>>> satisfied >>>>>> reading from Replicas, then we could have improved hbase:meta >> uptimes >>>> but >>>>>> also, we can distribute load off of the primary and alleviate >>>> hbase:meta >>>>>> Table (read) hotspotting. >>>>>> >>>>>> Each PR that comprises the feature branch has been reviewed before >>>>> commit. >>>>>> >>>>>> * For the design, see [2]. >>>>>> * For an amalgamated PR of the 5 or 6 reviewed PRs that comprise >>> this >>>>>> feature, see [3]. >>>>>> * For a PE report that compared performance before and after, see >>>>>> HBASE-25127 (no regression). >>>>>> * A report on ITBLL runs is pending to be attached to HBASE-18070 >>> but >>>>>> runs so far show no regression with the feature enabled (ITBLL runs >>>> were >>>>>> done against a backport of this feature to branch-2 as the ITBLL >>> state >>>> of >>>>>> master is currently an unknown). >>>>>> >>>>>> Testing continues mainly looking for further improvement and to >>> better >>>>>> understand this feature in operation. Documentation is included. >>> There >>>>> are >>>>>> some follow-ons that have been identified but these can land later. >>>>>> >>>>>> Thanks and thanks to all who contributed to this feature; the >>> reviewers >>>>>> and the testers in particular. >>>>>> >>>>>> S >>>>>> >>>>>> 1. http://hbase.apache.org/book.html#_asnyc_wal_replication >>>>>> 2. >>>>>> >>>>> >>>> >>> >> https://docs.google.com/document/d/1jJWVc-idHhhgL4KDRpjMsQJKCl_NRaCLGiH3Wqwd3O8/edit# >>>>>> This patch is currently missing HBASE-25280, a bug found in >> testing. >>>>>> 3. https://github.com/apache/hbase/pull/2643 >>>>>> >>>>> >>>> >>> >>
