Bug 1452616 - golang 1.8 performance regression in net/http affecting kubernetes scale
Summary: golang 1.8 performance regression in net/http affecting kubernetes scale
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: golang
Version: 7.4
Hardware: All
OS: Linux
high
high
Target Milestone: rc
: ---
Assignee: Jakub Čajka
QA Contact: Martin Cermak
URL:
Whiteboard: aos-scalability-37
Depends On:
Blocks: 1454239
TreeView+ depends on / blocked
 
Reported: 2017-05-19 10:47 UTC by Jeremy Eder
Modified: 2017-08-01 20:21 UTC (History)
11 users (show)

Fixed In Version: golang-1.8.3-1.el7
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
: 1454239 (view as bug list)
Environment:
Last Closed: 2017-08-01 20:21:21 UTC
Target Upstream Version:


Attachments (Terms of Use)


Links
System ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2017:1859 normal SHIPPED_LIVE Moderate: golang security, bug fix, and enhancement update 2017-08-01 18:23:38 UTC

Description Jeremy Eder 2017-05-19 10:47:36 UTC
For background:

https://github.com/kubernetes/kubernetes/issues/45216
https://github.com/kubernetes/kubernetes/issues/45216#issuecomment-300136571
https://github.com/kubernetes/kubernetes/pull/45879

Description of problem:

Changes to implementation in net/http package cause 3x increase in CPU for apiserver and failing kubemark CI jobs upstream.  This BZ is to ensure we don't lose track of needing a solution to this issue before we build OpenShift 3.7.

That solution (as of now) make take one of several forms laid out in this email:
https://groups.google.com/d/msg/kubernetes-dev/cLr7egeRbHw/udDFyC-hBAAJ

Comment 9 errata-xmlrpc 2017-08-01 20:21:21 UTC
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2017:1859


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