Re: Region server idle

[Sean Busbey]

Sounds like https://issues.apache.org/jira/browse/HBASE-24139

The description of that jira has a workaround.

On Thu, Jan 7, 2021, 05:23 Marc Hoppins <marc.hopp...@eset.sk> wrote:

> Hi all,
>
> I have a setup with 67 region servers. 29 Dec one system had to be shut
> down to have EMM module swapped out - which took one work day. Host was
> back online 30 Dec.
>
> My HBASE is very basic so I appreciate your patience.
>
> My understanding of the defaults that are setup is that a major compaction
> should occur every 7 days.  Moreover, do I assume that more extensive
> balancing may occur after this happens?
>
> When I check (via hbase master UI) the status of HBASE, I see the
> following:
>
> ServerName
>
> Start time
>
> Last contact
>
> Version
>
> Requests Per Second
>
> Num. Regions
>
> ba-hbase16.jumbo.hq.com,16020,1604413068640<
> http://ba-hbase16.jumbo.hq.eset.com:16030/rs-status>
>
> Tue Nov 03 15:17:48 CET 2020
>
> 3 s
>
> 2.1.0-cdh6.3.2
>
> 46
>
> 462
>
> ba-hbase17.jumbo.hq.com,16020,1604413274393<
> http://ba-hbase17.jumbo.hq.eset.com:16030/rs-status>
>
> Tue Nov 03 15:21:14 CET 2020
>
> 1 s
>
> 2.1.0-cdh6.3.2
>
> 19
>
> 462
>
> ba-hbase18.jumbo.hq.com,16020,1604413480001<
> http://ba-hbase18.jumbo.hq.eset.com:16030/rs-status>
>
> Tue Nov 03 15:24:40 CET 2020
>
> 2 s
>
> 2.1.0-cdh6.3.2
>
> 62
>
> 461
>
> ba-hbase19.jumbo.hq.com,16020,1609326754985<
> http://ba-hbase19.jumbo.hq.eset.com:16030/rs-status>
>
> Wed Dec 30 12:12:34 CET 2020
>
> 2 s
>
> 2.1.0-cdh6.3.2
>
> 0
>
> 0
>
> ba-hbase20.jumbo.hq.com,16020,1604413895967<
> http://ba-hbase20.jumbo.hq.eset.com:16030/rs-status>
>
> Tue Nov 03 15:31:35 CET 2020
>
> 2 s
>
> 2.1.0-cdh6.3.2
>
> 62
>
> 503
>
> ba-hbase21.jumbo.hq.com,16020,1604414101652<
> http://ba-hbase21.jumbo.hq.eset.com:16030/rs-status>
>
> Tue Nov 03 15:35:01 CET 2020
>
> 3 s
>
> 2.1.0-cdh6.3.2
>
> 59
>
> 442
>
> ba-hbase22.jumbo.hq.com,16020,1604414308289<
> http://ba-hbase22.jumbo.hq.eset.com:16030/rs-status>
>
> Tue Nov 03 15:38:28 CET 2020
>
> 0 s
>
> 2.1.0-cdh6.3.2
>
> 40
>
> 438
>
>
> Why, after more than 7 days, is this host not hosting more (any) regions?
> Should I initiate some kind of rebalancing?
>
> Thanks in advance.
>
> M
>