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From Jack Park <jackp...@topicquests.org>
Subject Scalability was Re: What are pools? was Re: [VOTE] Approve the release of apache-esme-1.3
Date Tue, 02 Aug 2011 17:01:48 GMT
Thanks!
Changing subjects again:

Running on Derby,it seems to me, is not a path to a scalable platform. 
What is known or thought possible in terms of scalability?

Thanks
Jack

On 8/2/2011 5:51 AM, Ethan Jewett wrote:
> Hi Jack,
>
> On the esmecloudserverapache.dickhirsch.staxapps.net server I am
> seeing that users in pools with "Write" privilege can read and write.
>
> *However* there might be a bug where a user that hasn't logged in
> recently doesn't receive messages from pools. It is possible the
> user's mailbox is not being set up properly. We'll need to look into
> it.
>
> Thanks,
> Ethan
>
> On Fri, Jul 29, 2011 at 5:24 PM, Jack Park<jackpark@topicquests.org>  wrote:
>> Ethan,
>>
>> That makes perfect sense.
>> In 1.2, I am noticing that if I assign "write" to "joe" in a pool, "joe"
>> can, indeed, write, but not read. Hope that's fixed in the newer versions.
>>
>> Thanks
>> Jack
>>
>> On 7/28/2011 11:47 PM, Ethan Jewett wrote:
>>>
>>> Hi Jack,
>>>
>>> Just by way of explanation, I think that there have been some
>>> significant changes to the timeline Javascript files between 1.2, 1.3,
>>> and the upcoming 1.4. Most likely your browser was trying to use a
>>> cached 1.3 .js file with the 1.2 backend code-base. That would
>>> definitely not work as we changed some function and variable names, so
>>> the backend was spitting out JS variables and functions to the browser
>>> but the javascript already running in the browser had no idea what to
>>> do with it.
>>>
>>> Hopefully that explains the problem. Sorry for the apparent flakiness.
>>>
>>> Cheers,
>>> Ethan
>>>
>>> On Fri, Jul 29, 2011 at 5:42 AM, Jack Park<jackpark@topicquests.org>
>>>   wrote:
>>>>
>>>> My "virgin" browser was IE whatever comes with Win7. The others are
>>>> Chrome
>>>> and FF. Clearing their cache fixed it.  Everything is running well now,
>>>> with
>>>> the 1.2 distro.  I have not migrated back to trunk or 1.3 yet. Overall,
>>>> it
>>>> was the cache issue, but I did drop the database and start over. I now
>>>> have
>>>> three users running in it.
>>>> Created quite a few messages, some into a shared pool for two of the
>>>> users.
>>>> I gave a member Write roll. He can write and the admin sees, but he
>>>> cannot
>>>> read.  Not sure if that's a bug?
>>>>
>>>> Looking forward to the latest build running well.
>>>> Thanks
>>>> Jack
>>>>
>>>> On 7/28/2011 8:18 PM, Richard Hirsch wrote:
>>>>>
>>>>> Did you delete the old db? If you deleted the old db, then the old
>>>>> users are gone and you have to sign up again.  If it was the first
>>>>> message after starting then it might take a while for the message to
>>>>> appear.  Create 5 messages over a few minutes time span and see if the
>>>>> problem still exists.
>>>>>
>>>>> What browser are you using? There was an older bug with
>>>>> InternetExplorer that some messages weren't being displayed.
>>>>>
>>>>> On Fri, Jul 29, 2011 at 5:09 AM, Jack Park<jackpark@topicquests.org>
>>>>>   wrote:
>>>>>>
>>>>>> I did a clean rebuild of the 1.2 distribution and ran mvn jetty:run
>>>>>> Logging in does not work at all. If I Sign Up and create a user,
then
>>>>>> I'm
>>>>>> in
>>>>>> and I can send a message with a tag. The tag shows, the timeline
does
>>>>>> not.
>>>>>> But, when clicking users, that user's last message is visible.
>>>>>>   Something
>>>>>> fails in painting timelines.
>>>>>> Next trial will be to attempt to replicate this on a completely
>>>>>> different
>>>>>> computer.
>>>>>>
>>>>>> On 7/28/2011 7:55 PM, Jack Park wrote:
>>>>>>>
>>>>>>> All trials were with mvn jetty:run.
>>>>>>> Thanks for the pointer: every database is separate.
>>>>>>> I just noticed that each, whether I'm using it or not, has a
db.lck
>>>>>>>
>>>>>>> I just ran an experiment: removed the db.lck file in the 1.2
>>>>>>> distribution (I don't know that much about Derby) and now it
refuses
>>>>>>> to
>>>>>>> respond to the Sign On button.
>>>>>>>
>>>>>>> Still fiddling.
>>>>>>>
>>>>>>> Jack
>>>>>>>
>>>>>>> On 7/28/2011 7:46 PM, Richard Hirsch wrote:
>>>>>>>>
>>>>>>>> If you are using the integrated derby database, then you
are probably
>>>>>>>> using it for multiple versions - which might not be a good
thing. I
>>>>>>>> haven't tried it yet. Look for a folder called esme_db.
>>>>>>>>
>>>>>>>> If you are using tomcat, try a clean build and then run esme
with
>>>>>>>> jetty:run to see if the problem still exists. You may also
want to
>>>>>>>> delete your browser cookies. That might be a problem as well.
>>>>>>>>
>>>>>>>> D.
>>>>>>>>
>>>>>>>>
>>>>>>>> On Fri, Jul 29, 2011 at 4:39 AM, Jack Park<jackpark@topicquests.org>
>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>> What I mean is that the timelines stopped working entirely,
but the
>>>>>>>>> tags
>>>>>>>>> that were visible (this is the 1.2 distribution tarball).
>>>>>>>>>
>>>>>>>>> I shut the system down and built the 1.3 rc-1 distribution
tarball
>>>>>>>>> and ran
>>>>>>>>> that only to discover that tags were not working there.
I then went
>>>>>>>>> back to
>>>>>>>>> the original 1.2 distro, booted it, noted my two users
could still
>>>>>>>>> log in,
>>>>>>>>> but there are no timelines visible. Sending messages
do not appear
>>>>>>>>> anywhere.
>>>>>>>>>
>>>>>>>>> I then went and booted the subversion 1.2 rc-1 tag; no
tags, and
>>>>>>>>> adding a
>>>>>>>>> user to a pool fails.
>>>>>>>>>
>>>>>>>>> I then went and booted the subversion trunk. Same issues.
>>>>>>>>>
>>>>>>>>> All that to say that I had active timelines in the 1.2
distribution
>>>>>>>>> until I
>>>>>>>>> started running other distributions. By way of weak inference,
I
>>>>>>>>> have
>>>>>>>>> to
>>>>>>>>> wonder if there is anything like a shared database among
those
>>>>>>>>> builds.
>>>>>>>>>
>>>>>>>>> Jack
>>>>>>>>>
>>>>>>>>> On 7/28/2011 7:33 PM, Richard Hirsch wrote:
>>>>>>>>>>
>>>>>>>>>> What do you mean by " no messages sent from it show
up anywhere"?
>>>>>>>>>> There are no messages in the timeline? Tagged messages?
>>>>>>>>>>
>>>>>>>>>> D.
>>>>>>>>>>
>>>>>>>>>> On Thu, Jul 28, 2011 at 8:21 PM, Jack
>>>>>>>>>> Park<jackpark@topicquests.org>
>>>>>>>>>> wrote:
>>>>>>>>>>>
>>>>>>>>>>> I returned to 1.2 and found, now, that it remembers
the tags, but
>>>>>>>>>>> not any
>>>>>>>>>>> of
>>>>>>>>>>> the messages. In fact, no messages sent from
it show up anywhere.
>>>>>>>>>>> Time
>>>>>>>>>>> for
>>>>>>>>>>> some coffee, I suppose.
>>>>>>>>>>>
>>>>>>>>>>> On 7/28/2011 11:10 AM, Richard Hirsch wrote:
>>>>>>>>>>>>
>>>>>>>>>>>> I just tried it on the stax instance and
added the user "acmebob"
>>>>>>>>>>>> to a
>>>>>>>>>>>> pool and it worked.
>>>>>>>>>>>>
>>>>>>>>>>>> Regarding the "Edit" button for pools. Right
now it is not
>>>>>>>>>>>> correctly
>>>>>>>>>>>> labeled, because you can just add users.
But we plan to be able
>>>>>>>>>>>> to
>>>>>>>>>>>> change other parts of the group (rename,
etc) and then hopefully
>>>>>>>>>>>> the
>>>>>>>>>>>> "edit" label will be correct.
>>>>>>>>>>>>
>>>>>>>>>>>> D.
>>>>>>>>>>>>
>>>>>>>>>>>> On Thu, Jul 28, 2011 at 8:06 PM, Jack
>>>>>>>>>>>> Park<jackpark@topicquests.org>
>>>>>>>>>>>> wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>> Where the messages never stop!
>>>>>>>>>>>>> Went back to 1.2 with what I learned
playing with 1.3.
>>>>>>>>>>>>> 1.2 lets me add "joe" as a user to my
pool.
>>>>>>>>>>>>> So, I suspect 1.3 is broken in terms
of adding users to pools.
>>>>>>>>>>>>>
>>>>>>>>>>>>> Jack
>>>>>>>>>>>>>
>>>>>>>>>>>>> On 7/28/2011 10:59 AM, Jack Park wrote:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Slight update. What I know about
pools came from 1.2. In 1.3,
>>>>>>>>>>>>>> pools
>>>>>>>>>>>>>> behave a bit differently, or so it
seems. I found that the
>>>>>>>>>>>>>> (misnamed?)
>>>>>>>>>>>>>> Edit button lets me add a member.
I tried adding the other user
>>>>>>>>>>>>>> ("joe").
>>>>>>>>>>>>>> Clicking add user does nothing. "joe"
is a real user visible in
>>>>>>>>>>>>>> the
>>>>>>>>>>>>>> user's list.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> I hope to learn what you can do when
you have a pool. Can you
>>>>>>>>>>>>>> assign
>>>>>>>>>>>>>> messages to the pool? Can pools be
private?
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Jack
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> On 7/28/2011 10:39 AM, Jack Park
wrote:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Now that I've got your attention,
may I ask for links to
>>>>>>>>>>>>>>> explanations
>>>>>>>>>>>>>>> about pools and, while we're
at it, tokens? I have some hints
>>>>>>>>>>>>>>> about
>>>>>>>>>>>>>>> tokens, but absolutely no clue
about pools. I created one,
>>>>>>>>>>>>>>> thinking
>>>>>>>>>>>>>>> it
>>>>>>>>>>>>>>> might be a "group" (a feature
I want), but when I came in as a
>>>>>>>>>>>>>>> different
>>>>>>>>>>>>>>> user, I was not able to "join"
that pool.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Thanks
>>>>>>>>>>>>>>> Jack
>>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>
>>>>>>
>>>>
>>

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