* [Bug Infrastructure/32536] New: builder: Builds page sometimes shows "Builds: None"
@ 2025-01-09 15:13 jun.aruga at gmail dot com
2025-01-09 15:18 ` [Bug Infrastructure/32536] " jun.aruga at gmail dot com
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: jun.aruga at gmail dot com @ 2025-01-09 15:13 UTC (permalink / raw)
To: overseers
https://sourceware.org/bugzilla/show_bug.cgi?id=32536
Bug ID: 32536
Summary: builder: Builds page sometimes shows "Builds: None"
Product: sourceware
Version: unspecified
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: Infrastructure
Assignee: overseers at sourceware dot org
Reporter: jun.aruga at gmail dot com
Target Milestone: ---
This issue is about sourceware builder webapp software addressed by the comment
[1]
For example, systemtap-fedrawhide-x86_64 builds page[2] sometimes shows
"Builds: None" like below rather than a list of the builds. Once I see the
"Builds: None", then I cannot see a list of builds for a while. Ideally I
always want to see a list of builds.
[1] https://sourceware.org/bugzilla/show_bug.cgi?id=32497#c3
[2] https://builder.sourceware.org/buildbot/#/builders/200
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* [Bug Infrastructure/32536] builder: Builds page sometimes shows "Builds: None"
2025-01-09 15:13 [Bug Infrastructure/32536] New: builder: Builds page sometimes shows "Builds: None" jun.aruga at gmail dot com
@ 2025-01-09 15:18 ` jun.aruga at gmail dot com
2025-01-09 15:18 ` mark at klomp dot org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: jun.aruga at gmail dot com @ 2025-01-09 15:18 UTC (permalink / raw)
To: overseers
https://sourceware.org/bugzilla/show_bug.cgi?id=32536
--- Comment #1 from Jun Aruga <jun.aruga at gmail dot com> ---
Perhaps, is this issue related to a number of the builds shown on the builds
page? For example, the above page [2] shows the latest 200 builds. Can we
change the number of builds printed initially into a smaller number such as 100
or 50?
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* [Bug Infrastructure/32536] builder: Builds page sometimes shows "Builds: None"
2025-01-09 15:13 [Bug Infrastructure/32536] New: builder: Builds page sometimes shows "Builds: None" jun.aruga at gmail dot com
2025-01-09 15:18 ` [Bug Infrastructure/32536] " jun.aruga at gmail dot com
@ 2025-01-09 15:18 ` mark at klomp dot org
2025-01-09 16:29 ` jun.aruga at gmail dot com
2025-01-30 19:52 ` fche at redhat dot com
3 siblings, 0 replies; 5+ messages in thread
From: mark at klomp dot org @ 2025-01-09 15:18 UTC (permalink / raw)
To: overseers
https://sourceware.org/bugzilla/show_bug.cgi?id=32536
--- Comment #2 from Mark Wielaard <mark at klomp dot org> ---
Yeah that is slightly odd. As far as I can tell it happens when the buildbot is
"too busy". Which seems to be when there are 15+ builds running at the same
time. At least when there less than 15 builds running everything seems snappy
and the list of builds appears almost instantly, once it is more than 15 builds
the list of builds simply doesn't appear.
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* [Bug Infrastructure/32536] builder: Builds page sometimes shows "Builds: None"
2025-01-09 15:13 [Bug Infrastructure/32536] New: builder: Builds page sometimes shows "Builds: None" jun.aruga at gmail dot com
2025-01-09 15:18 ` [Bug Infrastructure/32536] " jun.aruga at gmail dot com
2025-01-09 15:18 ` mark at klomp dot org
@ 2025-01-09 16:29 ` jun.aruga at gmail dot com
2025-01-30 19:52 ` fche at redhat dot com
3 siblings, 0 replies; 5+ messages in thread
From: jun.aruga at gmail dot com @ 2025-01-09 16:29 UTC (permalink / raw)
To: overseers
https://sourceware.org/bugzilla/show_bug.cgi?id=32536
--- Comment #3 from Jun Aruga <jun.aruga at gmail dot com> ---
(In reply to Mark Wielaard from comment #2)
> Yeah that is slightly odd. As far as I can tell it happens when the buildbot
> is "too busy". Which seems to be when there are 15+ builds running at the
> same time. At least when there less than 15 builds running everything seems
> snappy and the list of builds appears almost instantly, once it is more than
> 15 builds the list of builds simply doesn't appear.
Hi Mark,
Thanks for your explanation.
I got 2 ideas:
1. The sourceware builder system can implement a queuing system receiving a
request, triggering buildbot's task, and managing the number of maximum running
builds. I just found the following article. I am not sure about the details.
https://blog.containerize.com/top-5-open-source-message-queue-software-in-2021/
2. Are the buildbot and webapp are running in the same server? Perhaps, you can
separate a server running builtbot from a server running webapp. In this case,
the buildbot executed in a server is to upload the result data into another
server where webapp is running.
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* [Bug Infrastructure/32536] builder: Builds page sometimes shows "Builds: None"
2025-01-09 15:13 [Bug Infrastructure/32536] New: builder: Builds page sometimes shows "Builds: None" jun.aruga at gmail dot com
` (2 preceding siblings ...)
2025-01-09 16:29 ` jun.aruga at gmail dot com
@ 2025-01-30 19:52 ` fche at redhat dot com
3 siblings, 0 replies; 5+ messages in thread
From: fche at redhat dot com @ 2025-01-30 19:52 UTC (permalink / raw)
To: overseers
https://sourceware.org/bugzilla/show_bug.cgi?id=32536
Frank Ch. Eigler <fche at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |fche at redhat dot com
--- Comment #4 from Frank Ch. Eigler <fche at redhat dot com> ---
Did a bit of homework on buildbot query delays.
https://docs.sqlalchemy.org/en/14/dialects/sqlite.html#database-locking-behavior-concurrency
sqlalchemy (buildbot's ORM layer) may be lumping SQL write operations together
with pure queries, making the latter slow when there is a lot of write traffic
to the database (such as when slaves are producing ample output).
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2025-01-09 15:13 [Bug Infrastructure/32536] New: builder: Builds page sometimes shows "Builds: None" jun.aruga at gmail dot com
2025-01-09 15:18 ` [Bug Infrastructure/32536] " jun.aruga at gmail dot com
2025-01-09 15:18 ` mark at klomp dot org
2025-01-09 16:29 ` jun.aruga at gmail dot com
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