fe1ebe69f3
Back in the days of centos 6 and python 2.6 eventlet greendns monkeypatching broke ipv6. As a result nova has run without greendns monkey patching ever since. This removes that old workaround allowing modern eventlet to use greendns for non blocking dns lookups. Closes-Bug: #1964149 Change-Id: Ia511879d2f5f50a3f63d180258abccf046a7264e
15 lines
622 B
YAML
15 lines
622 B
YAML
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fixes:
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- |
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During the havana cycle it was discovered that eventlet
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monkey patching of greendns broke ipv6.
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https://bugs.launchpad.net/nova/+bug/1164822
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Since then nova has been disabling eventlet monkey patching
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of greendns. Eventlet adressed the ipv6 limitation in v0.17
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with the introduction of python 3 support in 2015. Nova
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however continued to disable it, which can result i slow dns
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queries blocking the entire nova api or other binary
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because socket.getaddrinfo becomes a blocking call into glibc
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see: https://bugs.launchpad.net/nova/+bug/1964149 for
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more details.
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