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help / color / mirror / Atom feedFrom: Ashesh Vashi <[email protected]>
To: Dave Page <[email protected]>
Cc: Murtuza Zabuawala <[email protected]>
Cc: pgadmin-hackers <[email protected]>
Subject: Re: PATCH: To fix the issue where message panel was showing incomplete info (pgAdmin4)
Date: Tue, 9 Aug 2016 18:37:37 +0530
Message-ID: <CAG7mmoykBtHBnzHhDCbJ2342MpggKx95Ng21Evy90FmcEynjVQ@mail.gmail.com> (raw)
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On Tue, Aug 9, 2016 at 6:34 PM, Dave Page <[email protected]> wrote:
>
>
> On Tue, Aug 9, 2016 at 2:01 PM, Ashesh Vashi <
> [email protected]> wrote:
>
>> On Tue, Aug 9, 2016 at 6:28 PM, Dave Page <[email protected]> wrote:
>>
>>> Hi
>>>
>>> On Tue, Aug 9, 2016 at 8:07 AM, Murtuza Zabuawala
>>> <[email protected]> wrote:
>>> > Hi,
>>> >
>>> > PFA patch to fix the issue where message panel was showing incomplete
>>> info.
>>> > We may still miss some messages from Psycopg2 driver due to limited
>>> size of
>>> > notices queue.
>>> > (RM#1523)
>>>
>>> A few thoughts on this (mostly based on my discussions with Ashesh):
>>>
>>> 1) You seem to have removed the poll delay. I assume that is to try to
>>> avoid missing messages? Can we re-introduce the delay (to avoid
>>> excessive network requests), but collect messages while we're waiting?
>>>
>> Using thread?
>> Start a thread during the timeout?
>>
>
> Not necessarily. If we want a 2 second polling delay, we could just sleep
> for 0.5 secs, collect messages, sleep for 0.5 sec, collect messages,
> <repeat...> return to client.
>
That's a very huge delay in practical.
We were hardly waiting for during poll (that was in milliseconds), but -
still we were loosing a lot of the messages. (a lot more from the current
implementation).
--
Thanks & Regards,
Ashesh Vashi
EnterpriseDB INDIA: Enterprise PostgreSQL Company
<http://www.enterprisedb.com/;
*http://www.linkedin.com/in/asheshvashi*
<http://www.linkedin.com/in/asheshvashi;
>
>
>>
>>> 2) If I run VACUUM, whilst I see messages as I should now, there is no
>>> query time summary as there is for a query that returns data.
>>>
>>
>>> 3) Can we incrementally display messages? e.g. each time we poll, we
>>> add the new messages to the messages div, and scroll to the end
>>> automatically?
>>
>> Yeah - that's a good idea.
>>
>> --
>>
>> Thanks & Regards,
>>
>> Ashesh Vashi
>> EnterpriseDB INDIA: Enterprise PostgreSQL Company
>> <http://www.enterprisedb.com/;
>>
>>
>> *http://www.linkedin.com/in/asheshvashi*
>> <http://www.linkedin.com/in/asheshvashi;
>>
>>>
>>
>>
>>
>>
>>> --
>>> Dave Page
>>> Blog: http://pgsnake.blogspot.com
>>> Twitter: @pgsnake
>>>
>>> EnterpriseDB UK: http://www.enterprisedb.com
>>> The Enterprise PostgreSQL Company
>>>
>>>
>>> --
>>> Sent via pgadmin-hackers mailing list ([email protected])
>>> To make changes to your subscription:
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>>>
>>
>>
>
>
> --
> Dave Page
> Blog: http://pgsnake.blogspot.com
> Twitter: @pgsnake
>
> EnterpriseDB UK: http://www.enterprisedb.com
> The Enterprise PostgreSQL Company
>
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Subject: Re: PATCH: To fix the issue where message panel was showing incomplete info (pgAdmin4)
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