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Database Connections are kept open for one hour. Timeouts on haproxy needs to reflect that. Set timeout to at least 60 minutes.<br>
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<blockquote type="cite">On Feb 10, 2020, at 9:04 AM, Albert Braden <Albert.Braden@synopsys.com> wrote:<br>
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<p class="MsoNormal">Can anyone help with this galera issue?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">If I run galera without haproxy and point everything to 1 server, it seems to work fine, but we want to load-balance it with haproxy. After setting up haproxy we had lots of errors in nova, neutron and keystone, but I got rid of those by
setting haproxy timeout values to 10 minutes. The remaining errors are in keystone. In /var/log/keystone/keystone-wsgi-public.log I see “Loaded 2 Fernet keys” every 5 minutes and this is frequently accompanied by a mysql error 'Lost connection to MySQL server
during query'<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I tried changing various config items in haproxy, galera and keystone, but nothing seems to help. How can I fix these errors?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Errors:<o:p></o:p></p>
<p class="MsoNormal"><a href="https://urldefense.com/v3/__https://f.perl.bot/p/pbq26k__;!!Ci6f514n9QsL8ck!x4V2c3Ar0WBo_5ECE5wOFh-JHypGv45o5SAQWiCOQZPtHMKHHLMvAI92Q-YBgt797g$">https://f.perl.bot/p/pbq26k</a><o:p></o:p></p>
<p class="MsoNormal"><a href="https://urldefense.com/v3/__https://f.perl.bot/p/1tnh78__;!!Ci6f514n9QsL8ck!x4V2c3Ar0WBo_5ECE5wOFh-JHypGv45o5SAQWiCOQZPtHMKHHLMvAI92Q-axKsd7Vw$">https://f.perl.bot/p/1tnh78</a><o:p></o:p></p>
<p class="MsoNormal"><a href="https://urldefense.com/v3/__https://f.perl.bot/p/fuxmwo__;!!Ci6f514n9QsL8ck!x4V2c3Ar0WBo_5ECE5wOFh-JHypGv45o5SAQWiCOQZPtHMKHHLMvAI92Q-ZpWo8aJw$">https://f.perl.bot/p/fuxmwo</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Haproxy config:<o:p></o:p></p>
<p class="MsoNormal"><a href="https://urldefense.com/v3/__https://f.perl.bot/p/gu2lil__;!!Ci6f514n9QsL8ck!x4V2c3Ar0WBo_5ECE5wOFh-JHypGv45o5SAQWiCOQZPtHMKHHLMvAI92Q-bBbKxEwg$">https://f.perl.bot/p/gu2lil</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Mysql timeout values:<o:p></o:p></p>
<p class="MsoNormal"><a href="https://urldefense.com/v3/__https://f.perl.bot/p/i6l7tn__;!!Ci6f514n9QsL8ck!x4V2c3Ar0WBo_5ECE5wOFh-JHypGv45o5SAQWiCOQZPtHMKHHLMvAI92Q-YO341YRQ$">https://f.perl.bot/p/i6l7tn</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Keystone config (minus commented lines):<o:p></o:p></p>
<p class="MsoNormal"><a href="https://urldefense.com/v3/__https://f.perl.bot/p/o6fdht__;!!Ci6f514n9QsL8ck!x4V2c3Ar0WBo_5ECE5wOFh-JHypGv45o5SAQWiCOQZPtHMKHHLMvAI92Q-bsHPT2GA$">https://f.perl.bot/p/o6fdht</a><o:p></o:p></p>
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