Some recordings not processing.

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Uğur Özbek

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Mar 23, 2021, 5:47:35 PM3/23/21
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Hi,
Some recordings not processing and when i research process logs i have an errors and then research the errors i think my events.xml file too large and there is a bug report for this  problem on GitHub/BigBlueButton. My problem is really events.xml file size too large approximately 70 MB and 1.3 Million line or else? Please could u give advise how can i problems solution. 


cat /var/log/bigbluebutton/presentation/process-d6b4d10398b4ab3e80a5361692d9e9a1e6b7286b-1616403740406.log

Error lines:
E, [2021-03-22T16:55:15.989278 #715] ERROR -- : Generating closed caption files failed
E, [2021-03-22T16:55:15.989381 #715] ERROR -- : process/presentation.rb:204:in `<main>'

 

Uğur Özbek

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Mar 23, 2021, 5:52:39 PM3/23/21
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I can give some extra information about my setup.
BigBlueButton Server 2.2.26 (2184)
                    Kernel version: 4.4.0-203-generic
                      Distribution: Ubuntu 16.04.7 LTS (64-bit)
                      Memory: 8174 MB
                     CPU cores: 4



24 Mart 2021 Çarşamba tarihinde saat 00:47:35 UTC+3 itibarıyla Uğur Özbek şunları yazdı:

hanif farahnak

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Mar 24, 2021, 3:17:38 AM3/24/21
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Hello Özbek
Is this a production server? I mean do you use this server as online server at your university?

Hanif

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Uğur Özbek

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Mar 24, 2021, 4:03:49 AM3/24/21
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Yes in the production. 

24 Mar 2021 Çar 10:17 tarihinde hanif farahnak <hani...@gmail.com> şunu yazdı:

hanif farahnak

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Mar 24, 2021, 5:48:04 AM3/24/21
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How many online users do you have in that server?

sd...@distancelearning.cloud

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Mar 24, 2021, 6:21:58 AM3/24/21
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Curious to the contents of the events.xml,  Not all events are needed to create the recording…   Should find out what is making the events.xml large?

 

Can you see in the raw folder events.xml… what is happening.

 

May be possible to strip out the offending events, and try to build the recording.

 

Regards,

Stephen.

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Uğur Özbek

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Mar 24, 2021, 7:37:10 AM3/24/21
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Approximately maximum of 150 users on the server.  Parallel 2 or 3 sessions. But only one instructor session makes problem. Another instructor at the same time didn't any publish problems. 

SAKARYA ÜNİVERSİTESİ 
Uzaktan Eğitim Araştırma ve Uygulama Merkezi 

Öğr.Gör. Uğur ÖZBEK 
Sistem Yöneticisi

 uoz...@sakarya.edu.tr uozbek.sakarya.edu.tr
Sakarya Üniversitesi Esentepe Kampüsü Uzaktan Eğitim Araştırma ve Uygulama Merkezi Kemalpaşa Mahallesi Üniversite Caddesi 54050 Serdivan/SAKARYA


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hanif farahnak <hani...@gmail.com>, 24 Mar 2021 Çar, 12:48 tarihinde şunu yazdı:

Uğur Özbek

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Mar 24, 2021, 8:50:04 AM3/24/21
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Hi Stephen, 
I analyze events.xml and i share some part of events.xml file I hope my sharing give an idea about the problem.

There are 99 680 like the bottom text block at the events.xml.

 <event timestamp="1365254047" module="WHITEBOARD" eventname="WhiteboardCursorMoveEvent">
    <timestampUTC>1615304948320</timestampUTC>
    <xOffset>23.391154607137043</xOffset>
    <date>2021-03-09T18:49:08.320+03</date>
    <whiteboardId>d2d9a672040fbde2a47a10bf6c37b6a4b5ae187f-1615303525978/1</whiteboardId>
    <pageNumber>0</pageNumber>
    <userId>w_ysqjdx9py9tt</userId>
    <yOffset>89.20668425383391</yOffset>
    <presentation>d2d9a672040fbde2a47a10bf6c37b6a4b5ae187f-1615303525978</presentation>
  </event>

  There are 50 500 like the bottom text block at the events.xml.  
<event timestamp="1365256014" module="WHITEBOARD" eventname="AddShapeEvent">
    <timestampUTC>1615304950287</timestampUTC>
    <color>16711680</color>
    <thickness>0.211864406779661</thickness>
    <id>w_ysqjdx9py9tt-676-1615304949562</id>
    <date>2021-03-09T18:49:10.287+03</date>
    <whiteboardId>d2d9a672040fbde2a47a10bf6c37b6a4b5ae187f-1615303525978/1</whiteboardId>
    <status>DRAW_END</status>
    <dimensions>List(944, 531)</dimensions>
    <pageNumber>0</pageNumber>
    <position>675</position>
    <userId>w_ysqjdx9py9tt</userId>
    <dataPoints>31.018272,81.67373,31.7598,81.67373,31.7598,81.485405</dataPoints>
    <type>pencil</type>
    <commands>1,2,2</commands>
    <shapeId>w_ysqjdx9py9tt-676-1615304949562</shapeId>
    <presentation>d2d9a672040fbde2a47a10bf6c37b6a4b5ae187f-1615303525978</presentation>
  </event>


SAKARYA ÜNİVERSİTESİ 
Uzaktan Eğitim Araştırma ve Uygulama Merkezi 

Öğr.Gör. Uğur ÖZBEK 
Sistem Yöneticisi

 uoz...@sakarya.edu.tr uozbek.sakarya.edu.tr
Sakarya Üniversitesi Esentepe Kampüsü Uzaktan Eğitim Araştırma ve Uygulama Merkezi Kemalpaşa Mahallesi Üniversite Caddesi 54050 Serdivan/SAKARYA


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<sd...@distancelearning.cloud> adresine sahip kullanıcı 24 Mar 2021 Çar, 13:21 tarihinde şunu yazdı:

hanif farahnak

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Mar 25, 2021, 3:28:21 AM3/25/21
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Hello Özbek
Beside your problem, I think,  the most important part is that your server is so weak for this number of online users. You should upgrade your server and your problem will be solved.
I can help you to config a new server. If you want, please let me know.

Hanif

Uğur Özbek

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Mar 25, 2021, 3:48:50 AM3/25/21
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Thanks for your help proposal. I have 130 BBB servers and best fit server configuration for our use cases. Because my participants' number doesn't exceed 150 and instant parallel sessions number 200. 

SAKARYA ÜNİVERSİTESİ 
Uzaktan Eğitim Araştırma ve Uygulama Merkezi 

Öğr.Gör. Uğur ÖZBEK 
Sistem Yöneticisi

 uoz...@sakarya.edu.tr uozbek.sakarya.edu.tr
Sakarya Üniversitesi Esentepe Kampüsü Uzaktan Eğitim Araştırma ve Uygulama Merkezi Kemalpaşa Mahallesi Üniversite Caddesi 54050 Serdivan/SAKARYA


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hanif farahnak <hani...@gmail.com>, 25 Mar 2021 Per, 10:28 tarihinde şunu yazdı:

hanif farahnak

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Mar 25, 2021, 4:01:00 AM3/25/21
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So you are using clustering. I had the same problem in one of my servers. My problem was something like you and I had an incomplete event.xml file. I think the best option is a fresh installation and then transferring your meetings to that.

Uğur Özbek

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Mar 25, 2021, 4:09:36 AM3/25/21
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I will try. I hope it will be ok. 

25 Mart 2021 Perşembe tarihinde saat 11:01:00 UTC+3 itibarıyla hani...@gmail.com şunları yazdı:

hanif farahnak

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Mar 25, 2021, 4:14:57 AM3/25/21
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What is your LMS? Do you use moodle or your own LMS that is using BBB API?

Uğur Özbek

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Mar 25, 2021, 5:51:22 AM3/25/21
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We are using own LMS with BBB Api.

25 Mar 2021 Per 11:14 tarihinde hanif farahnak <hani...@gmail.com> şunu yazdı:
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