Andor Molnár

@kezhuw @eolivelli @ztzg @li4wang PTAL. I'd like to get this in both 3.8 and 3.9.

@arshadmohammad Cherry-pick is not clean to `branch-3.8`. Would you please create another PR for that?

@charlesconnell If I remember correctly the Watcher object watches the folder, not the files, so if the folder contains lots of other files too, the impact of unnecessary reload events...

Is this the same issue which described in this blog: https://blog.arkey.fr/2019/09/13/watchservice-and-bind-mount/ Either way I like the approach (1) at the end of the article: 1. Either poll the file regularly...

> > Sorry for coming back too late here. Quick question: why have you replaced the WatchService implementation instead of introducing the polling mechanism as a new and configurable option?...

> Is this PR getting superseded by #2152? @kezhuw Do you agree? Can we close this patch in favor of #2152 ?

@kezhuw @eolivelli Are u sure you don't want this in 3.9 release line? I see it's new API, but since it's not breaking change, we might want to backport it.

Yes, we only have [backward compatiblity](https://cwiki.apache.org/confluence/display/ZOOKEEPER/ReleaseManagement) rules, but not forward compatibility.

@kezhuw > Introduces lock file (say ".zookeeper.lock") to gain exclusive(cooperatively) access to zookeeper directory. I like this approach to address ZOOKEEPER-1621. Would you mind creating a patch? I think it...

@Kota-SH What test scenarios have you verified during your testing? I did the following: 1. Created new table "andor2": `create 'andor2', 'cf2'` and I see the following entries in `hbase:meta`:...