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Diffstat (limited to 'releasenotes/notes/greendns-34df7f9fba952bcd.yaml')
-rw-r--r-- | releasenotes/notes/greendns-34df7f9fba952bcd.yaml | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/releasenotes/notes/greendns-34df7f9fba952bcd.yaml b/releasenotes/notes/greendns-34df7f9fba952bcd.yaml new file mode 100644 index 0000000000..d42795747c --- /dev/null +++ b/releasenotes/notes/greendns-34df7f9fba952bcd.yaml @@ -0,0 +1,14 @@ +--- +fixes: + - | + During the havana cycle it was discovered that eventlet + monkey patching of greendns broke ipv6. + https://bugs.launchpad.net/nova/+bug/1164822 + Since then nova has been disabling eventlet monkey patching + of greendns. Eventlet adressed the ipv6 limitation in v0.17 + with the introduction of python 3 support in 2015. Nova + however continued to disable it, which can result i slow dns + queries blocking the entire nova api or other binary + because socket.getaddrinfo becomes a blocking call into glibc + see: https://bugs.launchpad.net/nova/+bug/1964149 for + more details. |