There is no need to configure anything extra with the proposed change, it
just brings back LM to how it worked before.

There is no point modifying n tests for extra setup with no gain.

Thomas

On Thu, Sep 3, 2015 at 9:14 AM, Chetan Narsude <[email protected]>
wrote:

> Why does it matter that AsyncFSStorageAgent is being used with
> LocalCluster? It using the localfs and hence no gain is the implementation
> detail that's abstracted out by FileSystem already.
>
> If there is a problem of random artifacts left behind after the test, there
> is a reason and most likely it's misconfiguration of the StorageAgent. Why
> wouldn't that be fixed.
>
> --
> Chetan
>
>
> On Thu, Sep 3, 2015 at 8:59 AM, Amol Kekre <[email protected]> wrote:
>
> > Clean up container files left over should be a distributed OS task. Clean
> > up, back up, archive, ... all is for the OS (aka YARN). We must assume
> kill
> > -9.
> >
> > The only thing where the operator comes into play is "teardown()", which
> is
> > business logic (not Apex engine) issue. This could be db connection etc.
> >
> > Thks,
> > Amol
> >
> > On Thu, Sep 3, 2015 at 8:52 AM, Thomas Weise <[email protected]>
> > wrote:
> >
> > > When the container gets killed, we should not assume anything about
> > > cleanup. It can be a kill -9. Any related "cleanup" falls under nice to
> > > have, no guarantees.
> > >
> > > On Thu, Sep 3, 2015 at 8:49 AM, Chandni Singh <[email protected]
> >
> > > wrote:
> > >
> > > > I have a question regarding what Gaurav mentioned
> > > > ----
> > > > When container runs in cluster, "." specifies the containers local
> path
> > > on
> > > > the node where container specific jars and other resources resides.
> It
> > > > creates a folder under that which is live as long as container lives.
> > So
> > > > there are no vagrant folders anywhere
> > > > ---
> > > >
> > > > When the container gets killed, do we cleanup the folders created by
> > > Async
> > > > under the containers working dir?
> > > >
> > > > On Thu, Sep 3, 2015 at 8:42 AM, Thomas Weise <[email protected]
> >
> > > > wrote:
> > > >
> > > >> It makes sense to use the synchronous checkpointing for the local
> > mode.
> > > >> LM is meant to simplify dependencies and setup. The default for
> > > execution
> > > >> on YARN remains async.
> > > >>
> > > >> Thomas
> > > >>
> > > >>
> > > >> On Thu, Sep 3, 2015 at 8:34 AM, Chandni Singh <
> > [email protected]>
> > > >> wrote:
> > > >>
> > > >>> APPLICATION_PATH isn't related to local base dir of Async as far
> as I
> > > >>> know. StramLocalCluster sets the APP_PATH to "target/...".
> > > >>> StramLocalCluster should use FSStorageAgent.
> > > >>>
> > > >>> - Chandni
> > > >>>
> > > >>> On Thu, Sep 3, 2015 at 8:20 AM, Gaurav Gupta <
> [email protected]
> > >
> > > >>> wrote:
> > > >>>
> > > >>>> As Thomas mentioned as default remains to be async. You can either
> > > >>>> change the storage agent or set the APPLICATION_PATH.
> > > >>>>
> > > >>>> When container runs in cluster, "." specifies the containers local
> > > path
> > > >>>> on the node where container specific jars and other resources
> > > resides. It
> > > >>>> creates a folder under that which is live as long as container
> > lives.
> > > So
> > > >>>> there are no vagrant folders anywhere
> > > >>>>
> > > >>>> Thanks
> > > >>>> -Gaurav
> > > >>>>
> > > >>>> On Wed, Sep 2, 2015 at 11:33 PM, Chandni Singh <
> > > [email protected]
> > > >>>> > wrote:
> > > >>>>
> > > >>>>> I think there is a problem in the default Async as well. It also
> > uses
> > > >>>>> the working directory as its local base path.
> > > >>>>>
> > > >>>>> In the Async -> copyToHdfs()  method, we delete the window files
> > but
> > > >>>>> the folder with the operator name never gets deleted.
> > > >>>>> So on the cluster there  will be such vagrant folders in the
> > working
> > > >>>>> directory?
> > > >>>>>
> > > >>>>> On Wed, Sep 2, 2015 at 11:17 PM, Thomas Weise <
> > > [email protected]>
> > > >>>>> wrote:
> > > >>>>>
> > > >>>>>> Chandni,
> > > >>>>>>
> > > >>>>>> Agreed. See whether the tests work with the synchronous storage
> > > >>>>>> agent. If yes, change them. The default needs to remain async.
> > > >>>>>>
> > > >>>>>> Thomas
> > > >>>>>>
> > > >>>>>>
> > > >>>>>> On Wed, Sep 2, 2015 at 11:05 PM, Chandni Singh <
> > > >>>>>> [email protected]> wrote:
> > > >>>>>>
> > > >>>>>>> Hi,
> > > >>>>>>>
> > > >>>>>>> I would like to know what was the reason to use
> > AsyncFSStorageAgent
> > > >>>>>>> with StramLocalCluster?
> > > >>>>>>> StramLocalCluster is mainly for testing in a non-distributed
> mode
> > > >>>>>>> and I am unclear how AsyncFSStorageAgent is helpful in this
> mode.
> > > >>>>>>>
> > > >>>>>>> Thanks,
> > > >>>>>>> Chandni
> > > >>>>>>>
> > > >>>>>>> On Wed, Sep 2, 2015 at 10:45 PM, Chandni Singh <
> > > >>>>>>> [email protected]> wrote:
> > > >>>>>>>
> > > >>>>>>>> This is because of recent changes to StramLocalCluster where
> > > >>>>>>>> AsyncFSStorageAgent is used for checkpointing
> > > >>>>>>>>
> > > >>>>>>>> dag.setAttribute(OperatorContext.STORAGE_AGENT, new
> > > AsyncFSStorageAgent(new Path(pathUri,
> > > LogicalPlan.SUBDIR_CHECKPOINTS).toString(), null));
> > > >>>>>>>>
> > > >>>>>>>> The AsyncFSStorageAgent(String path, Configuration conf) uses
> > "."
> > > as localBasePath and therefore creates sub-directories per operator in
> > the
> > > current working directory.
> > > >>>>>>>>
> > > >>>>>>>> I am going to create a ticket to address this and will fix it.
> > > >>>>>>>>
> > > >>>>>>>> -Chandni
> > > >>>>>>>>
> > > >>>>>>>>
> > > >>>>>>>> On Wed, Sep 2, 2015 at 7:13 PM, Chandni Singh <
> > > >>>>>>>> [email protected]> wrote:
> > > >>>>>>>>
> > > >>>>>>>>> Hi,
> > > >>>>>>>>>
> > > >>>>>>>>> I can see empty folders getting created under Malhar/lib
> called
> > > >>>>>>>>> '1' and '2'.
> > > >>>>>>>>> I think this is because of using LocalMode to run a test
> > > >>>>>>>>> application.
> > > >>>>>>>>>
> > > >>>>>>>>>
> > > >>>>>>>>> If anyone has checked in such cases please do check and let
> us
> > > >>>>>>>>> know.
> > > >>>>>>>>>
> > > >>>>>>>>> Thanks,
> > > >>>>>>>>> Chandni
> > > >>>>>>>>>
> > > >>>>>>>>
> > > >>>>>>>>
> > > >>>>>>>
> > > >>>>>>
> > > >>>>>
> > > >>>>
> > > >>>
> > > >>
> > > >
> > >
> >
>

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