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From Michael Wall <mjw...@gmail.com>
Subject Re: setting tserver configs from the accumulo shell
Date Wed, 05 Oct 2016 16:15:02 GMT
That is what I recall as well Josh.  It is confusing for sure.

On Wed, Oct 5, 2016 at 11:57 AM, Josh Elser <josh.elser@gmail.com> wrote:

> IIRC, a property being mutable in ZooKeeper is disjoint from whether it
> will be dynamically reloaded.
>
> That is, a mutable ZK property does not imply that it is always
> dynamically picked up.
>
> Billie Rinaldi wrote:
>
>> We already keep track of this in the Property class, whether a property
>> can be changed in ZooKeeper and whether it requires a restart. Perhaps
>> the information has grown stale, though. The information is exposed in
>> the user manual:
>> http://accumulo.apache.org/1.8/accumulo_user_manual#_tserver_port_client
>>
>> On Tue, Oct 4, 2016 at 6:14 PM, Christopher <ctubbsii@apache.org
>> <mailto:ctubbsii@apache.org>> wrote:
>>
>>     Right now, I think you'd probably have to track down where that
>>     particular property is used in the code to determine its lifecycle.
>>     I think it's going to take some work to wrangle these into discrete
>>     sets for documentation purposes, in the shell or otherwise. Some
>>     properties are only used during certain times early in the server's
>>     lifecycle. Other properties are used on demand. Some of those on
>>     demand properties are probably cached into internal state for
>>     indefinite periods of time. It's hard to say which are which without
>>     investigating each property individually (or through empirical
>> testing).
>>
>>     On Tue, Oct 4, 2016 at 9:04 PM Jeff Kubina <jeff.kubina@gmail.com
>>     <mailto:jeff.kubina@gmail.com>> wrote:
>>
>>         That would be very helpful, but a note in the documentation
>>         would be fine initially. Is there an easy way to determine this
>>         from the source code?
>>
>>         --
>>         Jeff Kubina
>>         410-988-4436 <tel:(410)%20988-4436>
>>
>>
>>         On Tue, Oct 4, 2016 at 8:59 PM, Christopher <ctubbsii@apache.org
>>         <mailto:ctubbsii@apache.org>> wrote:
>>
>>             Some do, some don't. One thing we could add to the shell is
>>             a notification that a restart is necessary for a particular
>>             change. Possibly.
>>
>>
>>             On Tue, Oct 4, 2016, 20:25 Dave <dlmarion@comcast.net
>>             <mailto:dlmarion@comcast.net>> wrote:
>>
>>                 I don't think so.
>>
>>
>>                 On Oct 4, 2016 8:21 PM, Jeff Kubina
>>                 <jeff.kubina@gmail.com <mailto:jeff.kubina@gmail.com>>
>>                 wrote:
>>
>>                     Does changing the values of tserver configs in the
>>                     accumulo shell, like "config -s
>>                     tserver.server.threads.minimum=256", require a
>>                     restart of all the tservers to become effective?
>>
>>
>>
>>
>>

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