+1.

On Thu, Feb 27, 2014 at 4:15 PM, Kanak Biscuitwala <[email protected]>wrote:

> Sure, let's do meetings every week, where morning/evening alternate. We
> can also schedule additional meetings if things are unresolved.
>
> So next Wednesday, let's have a 10am PT meeting, and then the following
> Wednesday we can have a 10pm PT meeting (and so on). Does that sound
> reasonable?
>
> ----------------------------------------
> > Date: Thu, 27 Feb 2014 15:10:13 -0800
> > Subject: Re: Summary of IRC Meeting in #apachehelix
> > From: [email protected]
> > To: [email protected]
> >
> > Hi Kanak,
> >
> > I am new with Helix and just start playing around to get better grasp
> > on how it works (got some help from Kishore along the way).
> >
> > I think regularly scheduled chat sessions are useful for newbies to
> > stop by and ask questions or start discussions.
> > We had it in Apache Shindig for a while and especially near release
> > candidate generation.
> >
> > Not all people could attend due to the distributed nature of
> > contributors so if it is going to have some IRC chat sessions maybe
> > alternately done early morning and evening PST to accommodate most
> > time zones.
> >
> >
> > - Henry
> >
> >
> > On Thu, Feb 27, 2014 at 1:22 PM, Kanak Biscuitwala <[email protected]>
> wrote:
> >>
> >> Hi Henry,
> >>
> >> We don't currently have scheduled meetings -- this one just happened
> ad-hoc. Do you think this is useful/valuable? If so, what frequency do you
> think makes sense?
> >>
> >> Other devs: same question.
> >>
> >> Kanak
> >>
> >>
> >> ----------------------------------------
> >>> Date: Thu, 27 Feb 2014 13:16:35 -0800
> >>> Subject: Re: Summary of IRC Meeting in #apachehelix
> >>> From: [email protected]
> >>> To: [email protected]
> >>>
> >>> Hi Guys,
> >>>
> >>> Do you guys do this (IIRC chat) every Wednesdays?
> >>>
> >>> - Henry
> >>>
> >>> On Tue, Feb 25, 2014 at 11:16 PM, ASF IRC Bot
> >>> <[email protected]> wrote:
> >>>> Summary of IRC Meeting in #apachehelix at Wed Feb 26 05:50:29 2014:
> >>>>
> >>>> Attendees: zzhang1, gmcdonald, osgigeek1, kanakb, kishoreg1
> >>>>
> >>>> - Preface
> >>>>
> >>>>
> >>>> IRC log follows:
> >>>>
> >>>> ## Preface ##
> >>>> [Wed Feb 26 05:50:35 2014] <gmcdonald>: cool
> >>>> [Wed Feb 26 05:50:38 2014] <kanakb>: sweet
> >>>> [Wed Feb 26 05:50:44 2014] <gmcdonald>: Im outta here, enjoy
> >>>> [Wed Feb 26 05:51:23 2014] <kanakb>: okay anyway
> >>>> [Wed Feb 26 05:51:43 2014] <kanakb>: i think we can use the pattern
> that osgigeek1 suggested
> >>>> [Wed Feb 26 05:52:07 2014] <kanakb>: i.e.
> >>>> [Wed Feb 26 05:52:21 2014] <kanakb>: new
> HelixAdministratorBuilder.usingProvider(HelixStoreProvider.ZOOKEEPER).toAddress(zkAddress).build();
> >>>> [Wed Feb 26 05:52:37 2014] <kanakb>: and
> >>>> [Wed Feb 26 05:53:00 2014] <kanakb>: new
> HelixAdministratorBuilder.usingProvider(HelixStoreProvider.MYDB).username(username).host(hostname).build()
> >>>> [Wed Feb 26 05:54:19 2014] <kishoreg1>: looks good,
> >>>> [Wed Feb 26 05:54:50 2014] <kishoreg1>: Sandeep, is Provider the
> right term ?
> >>>> [Wed Feb 26 05:55:00 2014] <osgigeek1>: yes provider is the right
> term here
> >>>> [Wed Feb 26 05:55:30 2014] <kishoreg1>: ok, sounds good
> >>>> [Wed Feb 26 05:55:52 2014] <osgigeek1>: ok so we now have an instance
> of HelixAdmin
> >>>> [Wed Feb 26 05:55:59 2014] <kanakb>: ok now how does a participant
> get an admin?
> >>>> [Wed Feb 26 05:56:16 2014] <kanakb>: participant.getAdmin()?
> >>>> [Wed Feb 26 05:56:22 2014] <kanakb>: spectator.getAdmin()?
> >>>> [Wed Feb 26 05:57:05 2014] <kanakb>: or it could even be a getter
> within the service class if we go that direction
> >>>> [Wed Feb 26 05:57:58 2014] <kanakb>: but i guess we can come back to
> that
> >>>> [Wed Feb 26 05:58:01 2014] <osgigeek1>: so before we go to
> participant should we capture what APIs hang off the HelixAdmin or
> HelixAdministrator?
> >>>> [Wed Feb 26 05:58:07 2014] <kanakb>: yeah sure
> >>>> [Wed Feb 26 05:58:43 2014] <kishoreg1>: we have two options
> >>>> [Wed Feb 26 05:58:59 2014] <kishoreg1>: #1. flat methods similar to
> what we have
> >>>> [Wed Feb 26 05:59:49 2014] <kishoreg1>: create/delete/update/read
> cluster|resource|instance| etc
> >>>> [Wed Feb 26 06:00:33 2014] <kishoreg1>: there will be too many
> methods in this
> >>>> [Wed Feb 26 06:00:54 2014] <kishoreg1>: #2. heirarchical based on
> scope
> >>>> [Wed Feb 26 06:01:04 2014] <kishoreg1>: based on scope/entity
> >>>> [Wed Feb 26 06:01:26 2014] <kishoreg1>: clusteradmin resourceadmin
> instanceadmin
> >>>> [Wed Feb 26 06:01:44 2014] <osgigeek1>: I prefer #1
> >>>> [Wed Feb 26 06:02:37 2014] <kishoreg1>: how many methods do we think
> we will have in this interface
> >>>> [Wed Feb 26 06:02:40 2014] <kishoreg1>: 100?
> >>>> [Wed Feb 26 06:02:59 2014] <kanakb>: probably 50
> >>>> [Wed Feb 26 06:03:07 2014] <kanakb>: there are some things we can
> consolidate
> >>>> [Wed Feb 26 06:03:10 2014] <kishoreg1>: ok
> >>>> [Wed Feb 26 06:03:20 2014] <kanakb>: e.g. the things that involve
> userconfig
> >>>> [Wed Feb 26 06:03:25 2014] <kanakb>: those can take scope as a
> parameter
> >>>> [Wed Feb 26 06:03:55 2014] <kishoreg1>: sandeep, you should look at
> the api's in the current helixadmin
> >>>> [Wed Feb 26 06:03:57 2014] <osgigeek1>: so why do we think it will be
> 50?
> >>>> [Wed Feb 26 06:04:20 2014] <kanakb>: the current number of helixadmin
> method calls is like 20-30
> >>>> [Wed Feb 26 06:04:20 2014] <osgigeek1>: looking at it now
> >>>> [Wed Feb 26 06:04:31 2014] <kanakb>: so say it doubles because we
> cover more use cases
> >>>> [Wed Feb 26 06:04:34 2014] <kanakb>: then it's 50
> >>>> [Wed Feb 26 06:04:43 2014] <kishoreg1>: there are too many
> combinations i think, we need to figure out how to reduce this
> >>>> [Wed Feb 26 06:05:33 2014] <osgigeek1>: Can we consider like a
> command pattern?
> >>>> [Wed Feb 26 06:05:48 2014] <osgigeek1>: like I see several
> addResource(param....)
> >>>> [Wed Feb 26 06:05:58 2014] <osgigeek1>: instead how about
> addResource(ResourceCommand)
> >>>> [Wed Feb 26 06:06:15 2014] <kishoreg1>: i like that
> >>>> [Wed Feb 26 06:06:16 2014] <osgigeek1>: the command encapsulates the
> different params
> >>>> [Wed Feb 26 06:06:24 2014] <osgigeek1>: that way we can decipher from
> the command
> >>>> [Wed Feb 26 06:06:40 2014] <kanakb>: well, if we're adding using
> ResourceConfig like in the wiki, then is this still necessary?
> >>>> [Wed Feb 26 06:08:14 2014] <kishoreg1>: probably yes,
> >>>> [Wed Feb 26 06:08:28 2014] <kishoreg1>: lets say we want to only
> update provisionerconfig
> >>>> [Wed Feb 26 06:08:36 2014] <kishoreg1>: we have two options delta
> >>>> [Wed Feb 26 06:12:01 2014] <osgigeek1>: So kanakb I think if command
> == config and that was the notion then we can go with config
> >>>> [Wed Feb 26 06:12:31 2014] <osgigeek1>: but it appears kishoreg1 is
> pointing to the something missing
> >>>> [Wed Feb 26 06:13:11 2014] <kishoreg1>: its along the same line but
> its too generic
> >>>> [Wed Feb 26 06:13:30 2014] <kishoreg1>: There is only one
> ResourceCommand
> >>>> [Wed Feb 26 06:14:03 2014] <kanakb>: are you suggesting something like
> >>>> [Wed Feb 26 06:14:14 2014] <kanakb>: administrateResource(command,
> args)
> >>>> [Wed Feb 26 06:14:17 2014] <kanakb>: or something to that effect?
> >>>> [Wed Feb 26 06:14:33 2014] <kishoreg1>: nope
> >>>> [Wed Feb 26 06:15:15 2014] <kishoreg1>: currently we have
> updateResource(ResourceCommand)
> >>>> [Wed Feb 26 06:16:07 2014] <kishoreg1>: but the usecases are updating
> partitions, replicas, rebalancerconfig, provisionerconfig etc
> >>>> [Wed Feb 26 06:19:37 2014] <kishoreg1>:
> https://github.com/apache/helix/blob/master/helix-core/src/main/java/org/apache/helix/HelixAdmin.java
> >>>> [Wed Feb 26 06:22:11 2014] <kishoreg1>: what do u guys think
> >>>> [Wed Feb 26 06:23:15 2014] <osgigeek1>: I did not quite follow the
> part where kishoreg1 you point to updating partitions, replicas,
> rebalancerconfig etc can you elaborate?
> >>>> [Wed Feb 26 06:23:59 2014] <kishoreg1>: after the resource is created
> >>>> [Wed Feb 26 06:24:42 2014] <kishoreg1>: we might have to update some
> parts of the resources, for example change the number of partitions from 10
> to 20
> >>>> [Wed Feb 26 06:24:46 2014] <osgigeek1>: ah gotcha
> >>>> [Wed Feb 26 06:24:50 2014] <kishoreg1>: we have two options
> >>>> [Wed Feb 26 06:25:17 2014] <kishoreg1>: have a method called
> updateParitionNumber(resourceId, numberof partitions)
> >>>> [Wed Feb 26 06:25:30 2014] <kishoreg1>: or
> updateResource(ResourceConfig)
> >>>> [Wed Feb 26 06:25:45 2014] <kishoreg1>:
> updateResource(ResourceConfig.Delta)
> >>>> [Wed Feb 26 06:25:51 2014] <osgigeek1>: now I follow
> >>>> [Wed Feb 26 06:25:54 2014] <kishoreg1>: ok
> >>>> [Wed Feb 26 06:26:18 2014] <kishoreg1>: so if we just have one method
> for all operations, its too overloaded
> >>>> [Wed Feb 26 06:28:34 2014] <osgigeek1>: ok so lets look at the
> primary entities here
> >>>> [Wed Feb 26 06:29:01 2014] <osgigeek1>: (1) cluster (2) resource (3)
> instance
> >>>> [Wed Feb 26 06:29:04 2014] <osgigeek1>: am I correct?
> >>>> [Wed Feb 26 06:29:25 2014] <kanakb>: arguably partition
> >>>> [Wed Feb 26 06:29:33 2014] <osgigeek1>: ok so 4
> >>>> [Wed Feb 26 06:30:07 2014] <osgigeek1>: so what if we think of having
> CRUD operations for those through commands on the HelixAdmin
> >>>> [Wed Feb 26 06:30:42 2014] <osgigeek1>: everything else which is not
> a primary entity lets say we model on the Command or as a derived object
> off the correct Command?
> >>>> [Wed Feb 26 06:31:26 2014] <kishoreg1>: others I can think of are
> adding statemodel, constraints etc
> >>>> [Wed Feb 26 06:31:29 2014] <osgigeek1>: e.g. ResourceCommand,
> ResourceReplicaCommand extends ResourceCommand? or should the
> ResourceCommand have Replica as a composite ?
> >>>> [Wed Feb 26 06:31:59 2014] <kishoreg1>: hmm thinking
> >>>> [Wed Feb 26 06:32:11 2014] <osgigeek1>: I am thinking of statemodel,
> constraints all as parts that can be attached to the primary entities
> >>>> [Wed Feb 26 06:32:25 2014] <osgigeek1>: arguably not attacheable to
> all but most I imagine
> >>>> [Wed Feb 26 06:32:30 2014] <kishoreg1>: yes
> >>>> [Wed Feb 26 06:33:10 2014] <kishoreg1>: why should it extend
> resourcecommand
> >>>> [Wed Feb 26 06:34:02 2014] <osgigeek1>: on a second thought no lets
> not extend it, the more I think the more little sense it makes
> >>>> [Wed Feb 26 06:34:19 2014] <osgigeek1>: I think this is what kanakb
> modelled in his wiki
> >>>> [Wed Feb 26 06:34:33 2014] <osgigeek1>: a builder which allows
> attaching the composites into one command
> >>>> [Wed Feb 26 06:34:39 2014] <osgigeek1>: or in his case config
> >>>> [Wed Feb 26 06:35:26 2014] <osgigeek1>: So we have a command builder
> >>>> [Wed Feb 26 06:35:48 2014] <osgigeek1>:
> ResourceCommandBuilder().usingStateModel().withConstraints().build()
> >>>> [Wed Feb 26 06:36:03 2014] <osgigeek1>:
> InstanceCommandBuilder().withConstraints().build()
> >>>> [Wed Feb 26 06:36:30 2014] <kishoreg1>: hmm
> >>>> [Wed Feb 26 06:36:56 2014] <osgigeek1>: so the key thing I am after
> is separating the primary entities
> >>>> [Wed Feb 26 06:37:01 2014] <osgigeek1>: and calling them out at the
> top level
> >>>> [Wed Feb 26 06:37:10 2014] <kishoreg1>: do we need builder pattern
> for commands
> >>>> [Wed Feb 26 06:38:57 2014] <osgigeek1>: Lets ask this question a bit
> differently
> >>>> [Wed Feb 26 06:39:17 2014] <osgigeek1>: how well defined are the
> commands, do we think they are pretty well formalized? Do we foresee them
> changing ?
> >>>> [Wed Feb 26 06:40:01 2014] <zzhang1>: we may add new fields to the
> configs
> >>>> [Wed Feb 26 06:40:16 2014] <kishoreg1>: they might change but most
> likely we will be adding new stuff
> >>>> [Wed Feb 26 06:40:33 2014] <kishoreg1>: yeah, agree with jason
> >>>> [Wed Feb 26 06:40:42 2014] <osgigeek1>: the new stuff added would
> that be in existing buckets of statemodel, constraints? I imagine yes
> >>>> [Wed Feb 26 06:41:01 2014] <kishoreg1>: yes,
> >>>> [Wed Feb 26 06:41:41 2014] <osgigeek1>: my instinct tells me its
> better to hide the command objects and give builders
> >>>> [Wed Feb 26 06:41:52 2014] <osgigeek1>: but you guys would be better
> judges
> >>>> [Wed Feb 26 06:42:29 2014] <osgigeek1>: when I say hide I mean not
> give out the setters
> >>>> [Wed Feb 26 06:42:30 2014] <kishoreg1>: we can come to builders v/s
> concrete after we decide how many command classes we will have
> >>>> [Wed Feb 26 06:42:40 2014] <osgigeek1>: yeah lets do that
> >>>> [Wed Feb 26 06:43:16 2014] <kishoreg1>: lets take simple cases like
> change partition, replica
> >>>> [Wed Feb 26 06:43:32 2014] <osgigeek1>: ok
> >>>> [Wed Feb 26 06:43:45 2014] <kishoreg1>: or some flags in idealstate
> like enable/disable
> >>>> [Wed Feb 26 06:44:01 2014] <kanakb>: enable/disable resource?
> >>>> [Wed Feb 26 06:44:21 2014] <kishoreg1>: resource, bucketization,
> group message mode
> >>>> [Wed Feb 26 06:44:24 2014] <kishoreg1>: etc
> >>>> [Wed Feb 26 06:44:32 2014] <kanakb>: right
> >>>> [Wed Feb 26 06:45:16 2014] <kishoreg1>: so we have these options
> >>>> [Wed Feb 26 06:46:07 2014] <kishoreg1>: #1 direct method in
> helixadmin admin.updateNumPartitions(resourceId, 20)
> >>>> [Wed Feb 26 06:47:06 2014] <kishoreg1>: #2. config delta method,
> resource.delta= ..., delta.setpartitions(20),
> admin.updateresource(resourcedelta)
> >>>> [Wed Feb 26 06:47:33 2014] <zzhang1>: i prefer #2, it saves lots of
> admin#methods
> >>>> [Wed Feb 26 06:47:45 2014] <osgigeek1>: may I ask this and you will
> see where I am going with this... what do we return on
> helixAdmin.addResource(ResourceCommand)
> >>>> [Wed Feb 26 06:48:04 2014] <osgigeek1>: void? HelixResource?
> >>>> [Wed Feb 26 06:48:20 2014] <kishoreg1>: #3. command pattern
> UpdatePartitionCommand.updatePartitions(20) admin.updateResource(command);
> >>>> [Wed Feb 26 06:48:34 2014] <kishoreg1>: dunno
> >>>> [Wed Feb 26 06:48:58 2014] <kishoreg1>: i will be back in 10-15
> minutes
> >>>> [Wed Feb 26 06:48:59 2014] <zzhang1>: currently we are returning void
> >>>> [Wed Feb 26 06:49:37 2014] <kanakb>: i think it should either: return
> boolean or throw a meaningful checked exception
> >>>> [Wed Feb 26 06:49:59 2014] <osgigeek1>: so should we return a
> HelixResource?
> >>>> [Wed Feb 26 06:50:17 2014] <osgigeek1>: rather I meant to ask why not
> return a HelixResource?
> >>>> [Wed Feb 26 06:51:12 2014] <kanakb>: a resource is a resource config
> plus runtime state, like its external view
> >>>> [Wed Feb 26 06:51:18 2014] <kanakb>: initially this external view
> will always be empty
> >>>> [Wed Feb 26 06:51:38 2014] <kanakb>: so it's not super useful to just
> return that
> >>>> [Wed Feb 26 06:52:24 2014] <kishoreg1>: thats another item, shud we
> mix runtime and static info in one class
> >>>> [Wed Feb 26 06:52:48 2014] <kishoreg1>: prefer to defer that to a
> later stage
> >>>> [Wed Feb 26 06:52:51 2014] <osgigeek1>: ok
> >>>> [Wed Feb 26 06:53:05 2014] <osgigeek1>: the reason for the question
> was
> >>>> [Wed Feb 26 06:53:24 2014] <osgigeek1>: if we return the object we
> could have ResourceCommand.using(object)
> >>>> [Wed Feb 26 06:53:29 2014] <osgigeek1>: that creates an updateCommand
> >>>> [Wed Feb 26 06:53:37 2014] <osgigeek1>: which then can carry existing
> state
> >>>> [Wed Feb 26 06:53:58 2014] <kanakb>: the hope is that you don't need
> existing state in order to make an incremental update
> >>>> [Wed Feb 26 06:54:34 2014] <osgigeek1>: ok so lets forget that route
> for now, lets go back to the 3 options from kishoreg1
> >>>> [Wed Feb 26 06:54:48 2014] <osgigeek1>: I am leaning towards #3
> >>>> [Wed Feb 26 06:55:03 2014] <kanakb>: yeah i like #3 as well
> >>>> [Wed Feb 26 06:55:48 2014] <kanakb>: zzhang1: is #3 generic enough to
> support things like monitoring config?
> >>>> [Wed Feb 26 06:55:52 2014] <kanakb>: my intuition is yes
> >>>> [Wed Feb 26 06:55:59 2014] <zzhang1>: yea
> >>>> [Wed Feb 26 06:56:49 2014] <zzhang1>: for #3, shall we have a command
> pattern for updating each field?
> >>>> [Wed Feb 26 06:57:34 2014] <kishoreg1>: what ever makes sense
> >>>> [Wed Feb 26 06:57:51 2014] <osgigeek1>: zzhang1: I think yes that way
> we remove APIs like setResourceIdealState from the HelixAdmin
> >>>> [Wed Feb 26 06:57:52 2014] <zzhang1>: ok
> >>>> [Wed Feb 26 06:58:03 2014] <kanakb>: can we do something like
> updateResource(ResourceCommand... commands)?
> >>>> [Wed Feb 26 06:58:25 2014] <kishoreg1>: compositecommands?
> >>>> [Wed Feb 26 06:58:28 2014] <osgigeek1>: ooh, multiple commands you
> mean?
> >>>> [Wed Feb 26 06:58:47 2014] <kanakb>: yeah or a composite command
> >>>> [Wed Feb 26 06:58:57 2014] <osgigeek1>: I think we dont do that for
> the first iteration
> >>>> [Wed Feb 26 06:59:08 2014] <kanakb>: i would imagine that there are
> certain configs that we'd like to set together as an atomic unit
> >>>> [Wed Feb 26 06:59:19 2014] <osgigeek1>: what happens if some commands
> fail and some succeed
> >>>> [Wed Feb 26 06:59:20 2014] <kishoreg1>: yeah i was thinking the same
> >>>> [Wed Feb 26 06:59:31 2014] <kishoreg1>: same as kanakb
> >>>> [Wed Feb 26 06:59:41 2014] <kishoreg1>: for example if i want to
> change both partition and replica
> >>>> [Wed Feb 26 06:59:44 2014] <kanakb>: osgigeek1: then they should all
> succeed or all fail
> >>>> [Wed Feb 26 07:00:03 2014] <kanakb>: and it's our responsibility to
> guarantee that
> >>>> [Wed Feb 26 07:00:25 2014] <kanakb>: fortunately this is generally
> easy to guarantee in the ZK case
> >>>> [Wed Feb 26 07:00:38 2014] <kanakb>: as long as things don't span
> znodes
> >>>> [Wed Feb 26 07:00:58 2014] <osgigeek1>: kanakb: if we can guarantee
> that then sure, I was concerned that it might not be possible given the
> distributed nature of the system
> >>>> [Wed Feb 26 07:01:46 2014] <kanakb>: there is one interesting case
> >>>> [Wed Feb 26 07:01:48 2014] <kishoreg1>: kanakb: how can we gaurantee
> things that span multiple znodes
> >>>> [Wed Feb 26 07:01:58 2014] <kanakb>: we'd need to do a rollback or
> something
> >>>> [Wed Feb 26 07:02:10 2014] <kanakb>: so maybe it's not so easy
> >>>> [Wed Feb 26 07:02:23 2014] <kanakb>: hmm
> >>>> [Wed Feb 26 07:02:50 2014] <kanakb>: right now all our admin apis
> work on a single znode
> >>>> [Wed Feb 26 07:02:56 2014] <kanakb>: but now that won't be true
> >>>> [Wed Feb 26 07:03:21 2014] <kishoreg1>: yeah, we have rely on the spi
> to make it atomic
> >>>> [Wed Feb 26 07:03:44 2014] <kishoreg1>: but we might need composite
> commands
> >>>> [Wed Feb 26 07:04:01 2014] <kishoreg1>: for example what if we want
> to update both partitions and replicas
> >>>> [Wed Feb 26 07:04:10 2014] <kanakb>: right
> >>>> [Wed Feb 26 07:04:23 2014] <kanakb>: so we either need to allow
> multiple commands, or a single command that does multiple things
> >>>> [Wed Feb 26 07:04:29 2014] <osgigeek1>: kishoreg1: we should model
> that as one command which carries both partition change and replica change
> >>>> [Wed Feb 26 07:04:49 2014] <kanakb>: i.e.
> ResourceCommand.partitions(10).replicas(3)?
> >>>> [Wed Feb 26 07:04:53 2014] <osgigeek1>: yes
> >>>> [Wed Feb 26 07:05:19 2014] <zzhang1>: btw, i think commands like
> addCluster() will cross multiple znodes
> >>>> [Wed Feb 26 07:05:41 2014] <kanakb>: which brings in the atomic api
> issues
> >>>> [Wed Feb 26 07:06:12 2014] <kishoreg1>: its upto the implementation,
> we shud assume all api's are atomic
> >>>> [Wed Feb 26 07:06:36 2014] <osgigeek1>: I think we should make that a
> principle of the command APIs
> >>>> [Wed Feb 26 07:06:36 2014] <kishoreg1>: we can use multitransaction
> updates in ZK
> >>>> [Wed Feb 26 07:06:52 2014] <kanakb>: are those available in 3.3.x?
> >>>> [Wed Feb 26 07:07:09 2014] <kishoreg1>: nope 3.4.5 i think
> >>>> [Wed Feb 26 07:07:14 2014] <kishoreg1>: but u already have locks
> >>>> [Wed Feb 26 07:07:18 2014] <kanakb>: yeah
> >>>> [Wed Feb 26 07:07:21 2014] <kanakb>: i was going to say
> >>>> [Wed Feb 26 07:07:27 2014] <kishoreg1>: so its ok to rely on that
> >>>> [Wed Feb 26 07:07:44 2014] <kishoreg1>: what u have is better than
> multi transactions i think
> >>>> [Wed Feb 26 07:08:09 2014] <kanakb>: well yes and no
> >>>> [Wed Feb 26 07:08:30 2014] <kishoreg1>: anyhow
> ResourceCommand.partitions(1) will return a type of ResourceCommand?
> >>>> [Wed Feb 26 07:09:39 2014] <osgigeek1>: yes, the builder should allow
> changing any of the facets i.e. partition or replica of the entity i.e.
> Resource in this case
> >>>> [Wed Feb 26 07:09:47 2014] <kanakb>: chaining probably isn't possible
> unless we change it to new ResourceCommand().partitions(1)
> >>>> [Wed Feb 26 07:10:26 2014] <kishoreg1>: ok, i am not good at builder
> patterns, i hope we dont have too many classes
> >>>> [Wed Feb 26 07:10:38 2014] <kanakb>: that would just be 1 class
> >>>> [Wed Feb 26 07:10:45 2014] <osgigeek1>: yes
> >>>> [Wed Feb 26 07:10:56 2014] <kishoreg1>: ok
> >>>> [Wed Feb 26 07:11:07 2014] <osgigeek1>: i.e. agree with kanakb
> >>>> [Wed Feb 26 07:11:36 2014] <kishoreg1>: ok
> >>>> [Wed Feb 26 07:13:26 2014] <osgigeek1>: ok well I might have to drop
> off in a few mins ... do you guys plan to carry on for long?
> >>>> [Wed Feb 26 07:13:36 2014] <kanakb>: probably not too long
> >>>> [Wed Feb 26 07:13:43 2014] <kishoreg1>: i think we shud take break as
> well
> >>>> [Wed Feb 26 07:13:44 2014] <kanakb>: at least we have some direction
> with admin now
> >>>> [Wed Feb 26 07:14:03 2014] <kishoreg1>: lets write the apis for
> administrator and see how it looks
> >>>> [Wed Feb 26 07:14:13 2014] <kishoreg1>: i need to get going as well
> >>>> [Wed Feb 26 07:15:05 2014] <kanakb>: ok let's end here?
> >>>> [Wed Feb 26 07:15:10 2014] <osgigeek1>: well this was good, we made
> good progress, yeah lets end
> >>>> [Wed Feb 26 07:15:37 2014] <kanakb>: ASFBot: meeting end
> >>>>
> >>>>
> >>>> Meeting ended at Wed Feb 26 07:15:37 2014
> >>
>
>

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