{{Quickfixn}} 20013 tag in QuikFix FIX 4.4

Thu Jul 16 06:32:45 PDT 2020

Hello,
 I am unable to find 20013 fix tag in QuickFix. I am using FIX 4.4      . Could you please let me know if this tag is available?

Thanks,
Rohan Pandit
T: 646.366.2813
rohan.pandit at Sculptor.com

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Today's Topics:

   1. Re:  FIX connection Logout/Login Problem (YUTAKA YOSHIDA)
   2.  Quickfixn Connection Webpage after Upgrade (Nate Kershner)
   3. Re:  Quickfixn Connection Webpage after Upgrade (YUTAKA YOSHIDA)

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Message: 1
Date: Thu, 16 Jul 2020 21:20:06 +0900
From: YUTAKA YOSHIDA <ysdytk1973 at gmail.com>
To: "Mailing list for QuickFIX/n" <quickfixn at lists.quickfixn.com>
Subject: Re: {{Quickfixn}} FIX connection Logout/Login Problem
Message-ID:
        <CACZgWbO2UHG+MFHaSQ0MYwefHpBMaOLFLvZb5xWSpcTeaTYxbA at mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Thank you for your response.

Could you provide me an example code?
I have tried in several ways but this issue remains unresolved.
I am attaching my quick fix log file.

Best regards,
Yutaka

On Wed, Jul 15, 2020 at 11:16 PM Grant Birchmeier <gbirchmeier at connamara.com>
wrote:

> My strong suspicion guess is that you are doing too much work within
> the OnMessage callback.  (Or any callback, really, but probably
> OnMessage.)
>
> For each message received, OnMessage(<type>) is called, and further
> message reception is blocked until OnMessage() returns.  So if
> OnMessage takes too long, the queue eventually will back up and you
> will eventually see message loss.
>
> A common technique is to have OnMessage push the message into a work
> queue and return instantly, while another thread consumes off the work
> queue and processing them.
>
> Does that make sense?
>
>
>
>
>
> On Wed, Jul 15, 2020 at 6:09 AM YUTAKA YOSHIDA <ysdytk1973 at gmail.com>
> wrote:
>
>> Hello everyone,
>>
>> I am using Quickfixn for accessing LMAX.
>> I have a serious problem now.
>> During receiving the price updates from the server, logout/login
>> repeats sometimes.
>> LMAX said like this.
>> ///////////////////////////////////////////////////////
>>
>> If your software gets overwhelmed it will return a TCP Window size=0,
>> this means that you?re not able to receive further messages at the
>> moment, and the TCP transmission is halted until it can process the
>> messages in its receive buffer.
>>
>> TCP back pressure will result when your software is unable to process
>> the TCP packets fast enough (can't keep up) so messages start to back
>> up on our side awaiting being sent.  If your software gets
>> overwhelmed it will return a TCP Window size = 0 which means that
>> there is no room to send anything more at this time and messages
>> queue up awaiting the next available window size.
>>
>> We can try reducing the amount of updates we are sending to you (I
>> can see your account is currently set as 1000 updates / sec with 20
>> levels depth market data) or you can reduce the number of instruments
>> you are subscribing to. Please also contact you bridge provider to
>> look at this issue.
>>
>> //////////////////////////////////////////////////////////////
>>
>> To solve this issue, I did the following steps.
>>
>> -I upgraded VPS.
>>
>> -I reduced the number of instruments to subscribe to.
>>
>> -I commented on codes related to file writing.
>>
>> However, this issue remains.
>>
>> I have some errors in the FIX log file.
>>
>> I am attaching it.
>>
>> Can you help me now?
>> _______________________________________________
>> Quickfixn mailing list
>> Quickfixn at lists.quickfixn.com
>> http://lists.quickfixn.com/listinfo.cgi/quickfixn-quickfixn.com
>>
>
>
> --
> Grant Birchmeier
> *Connamara Systems, LLC*
> *Made-To-Measure Trading Solutions.*
> Exactly what you need. No more. No less.
> http://connamara.com
>
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Message: 2
Date: Thu, 16 Jul 2020 08:25:14 -0400
From: Nate Kershner <nathaneleven at gmail.com>
To: quickfixn at lists.quickfixn.com
Subject: {{Quickfixn}} Quickfixn Connection Webpage after Upgrade
Message-ID:
        <CADjps7HxAxPTcSRYu5=q57Mcyo81uEhJv-4iK4ANNau9sJfCOQ at mail.gmail.com>
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We just went live with an upgrade to QuickFix/n (1.0.3 to 1.10). Obviously
1.0.3 is a very old version, but I'm hoping someone can assist. In the old version, if you visited http://localhost on the server or http://<servername> from another machine, it presented you with webpage with a list of connections and their sequence numbers with the ability to adjust them, but after upgrading it's no longer working (error message is Unable to connect). I don't see any actual webpage configured anywhere on the server we run our service on (IIS isn't even installed), so I'm pretty sure it was somehow served up by the engine itself? Any ideas if this is the case and if there's an equivalent in 1.10 or if I'll just need to build an equivalent myself?

Thanks,
Nate
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Message: 3
Date: Thu, 16 Jul 2020 21:39:30 +0900
From: YUTAKA YOSHIDA <ysdytk1973 at gmail.com>
To: "Mailing list for QuickFIX/n" <quickfixn at lists.quickfixn.com>
Subject: Re: {{Quickfixn}} Quickfixn Connection Webpage after Upgrade
Message-ID:
        <CACZgWbM3XvW_612dxzi--=4uP2dEjuEv4K-wF0yU9EpO7qr0bg at mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Hi Nate,

Thank you for your reply.

But I don't understand your explanation.
I am using the latest QuickFix/n (1.15)
Is there something that I did wrong?

Many thanks,
Yutaka

On Thu, Jul 16, 2020 at 9:25 PM Nate Kershner <nathaneleven at gmail.com>
wrote:

> We just went live with an upgrade to QuickFix/n (1.0.3 to 1.10).
> Obviously
> 1.0.3 is a very old version, but I'm hoping someone can assist. In the
> old version, if you visited http://localhost on the server or
> http://<servername> from another machine, it presented you with
> webpage with a list of connections and their sequence numbers with the
> ability to adjust them, but after upgrading it's no longer working
> (error message is Unable to connect). I don't see any actual webpage
> configured anywhere on the server we run our service on (IIS isn't
> even installed), so I'm pretty sure it was somehow served up by the
> engine itself? Any ideas if this is the case and if there's an
> equivalent in 1.10 or if I'll just need to build an equivalent myself?
>
> Thanks,
> Nate
> _______________________________________________
> Quickfixn mailing list
> Quickfixn at lists.quickfixn.com
> http://lists.quickfixn.com/listinfo.cgi/quickfixn-quickfixn.com
>
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