Bug #2151
mon: pg creation retry is slow
| Status: | Resolved | Start date: | 03/07/2012 | |
|---|---|---|---|---|
| Priority: | Normal | Due date: | ||
| Assignee: | - | % Done: | 0% | |
| Category: | Monitor | Spent time: | - | |
| Target version: | - | |||
| Source: | Development | Severity: | ||
| Backport: | Reviewed: | |||
| Tags: |
Description
right now if you are creating a pg and the osd crashes, the monitor will retry every once in a while, but that retry is not informed by, say, the osd restarting immediately. that can lead to long lags even if ceph-osd restarts quickly.
Associated revisions
osd/mon: subscribe (onetime) to pg creations on connect
Ask the monitor for pending pg creations each time we connect.
Normally, this is a freebie check. If there are pending creations, though,
it ensures that the OSD finds out about them even if the original lame
broadcast didn't reach it. Specifically:
- osd is hunting for a monitor, but isn't yet connected
- new pgs are created
- send_pg_creates() sends out create messages, but osd does get it
- osd finally connects to a monFixes: #2151 (tho the bug description is bad)
Signed-off-by: Sage Weil <sage@inktank.com>
osd/mon: subscribe (onetime) to pg creations on connect
Ask the monitor for pending pg creations each time we connect.
Normally, this is a freebie check. If there are pending creations, though,
it ensures that the OSD finds out about them even if the original lame
broadcast didn't reach it. Specifically:
- osd is hunting for a monitor, but isn't yet connected
- new pgs are created
- send_pg_creates() sends out create messages, but osd does get it
- osd finally connects to a monFixes: #2151 (tho the bug description is bad)
Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Samuel Just <sam.just@inktank.com>
osd/mon: subscribe (onetime) to pg creations on connect
Ask the monitor for pending pg creations each time we connect.
Normally, this is a freebie check. If there are pending creations, though,
it ensures that the OSD finds out about them even if the original lame
broadcast didn't reach it. Specifically:
- osd is hunting for a monitor, but isn't yet connected
- new pgs are created
- send_pg_creates() sends out create messages, but osd does get it
- osd finally connects to a monFixes: #2151 (tho the bug description is bad)
Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Samuel Just <sam.just@inktank.com>
osd/mon: subscribe (onetime) to pg creations on connect
Ask the monitor for pending pg creations each time we connect.
Normally, this is a freebie check. If there are pending creations, though,
it ensures that the OSD finds out about them even if the original lame
broadcast didn't reach it. Specifically:
- osd is hunting for a monitor, but isn't yet connected
- new pgs are created
- send_pg_creates() sends out create messages, but osd does get it
- osd finally connects to a monFixes: #2151 (tho the bug description is bad)
Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Samuel Just <sam.just@inktank.com>
History
#1 Updated by Sage Weil about 1 year ago
- Target version set to v0.48