ODBC Freezing Asterisk 13

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Asterisk Users 2 Comments

​Many people are reporting the same issue, so it is not my imagination. Asterisk 13 above 13.1 is useless for anybody who ​relies on res_odbc.so. As you know, after that version, the dropped the complexity of Pooling onto unix_odbc itself. Not so simple, it seems. I noticed that after a few hours of inactivity, any call to func_odbc-defined funcions will block and hang for ever. All we can do at that point is reset Asterisk. I think it was highly rushed a decision to drop all the work done in ODBC
inside Asterisk. Maybe unix_odbc pooling is not ready, has bugs, it cannot be used in production. I don’t know what the issue is, but I had to downgrade to Asterisk 13.1 and my ODBC problems disappeared. Asterisk did not need to drop the ODBC pooling code. It did work. It should be fixed, made faster, etc.

2 thoughts on - ODBC Freezing Asterisk 13

  • Saint Michael wrote:

    This has already been done[1] and will be released in Asterisk 13.10, which just had an rc3 released. I also sent an email to the list[2] when the fix went in. These fixes have continued to show no problems themselves although they just exposed an issue with func_odbc which was fixed in the rc3 that was just released. There’s no issues open currently against that work.

    As for the res_odbc changes themselves which exposed problems in UnixODBC those went in as of Asterisk 13.8[3], not earlier.

    Prior to 13.8 there was no pooling at all.

    [1] http://blogs.asterisk.org/2016/06/15/asterisk-odbc-connections/
    [2] http://lists.digium.com/pipermail/asterisk-users/2016-June/289326.html
    [3] http://blogs.asterisk.org/2016/02/17/odbc_gutting/

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    Joshua Colp Digium, Inc. | Senior Software Developer
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  • Jumping Jesus on a pogo stick. And here, I was trying to build a version of Asterisk 13.8-cert that 1) absolutely required ODBC because I
    couldn’t even build res_config_mysql.so anymore, and 2) I was trying to get ODBC working on Ubuntu 16.04, in spite of it being, um, apparently completely missing from the OS.

    Well, I guess I can give up *that* fool’s quest! This post has been most illuminating!

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