Re: journalctl --vacuum-time does nothing

[baba <for.ad@xxxxxxx>]

----- Mail original -----
De: "František Šumšal" <frantisek@xxxxxxxxx>
À: systemd-devel@xxxxxxxxxxxxxxxxxxxxx
Envoyé: Mardi 17 Mai 2022 11:13:56
Objet: Re:  journalctl --vacuum-time does nothing

> Hello,
>
> You might want to combine the vacuum option with `--rotate`, since journalctl
> won't vacuum journals that are currently online, only archived ones
> (`journalctl --header` to get the states of the respective journal files).


I tried the --rotate option and I don't see archived log files:

root@debian:/# journalctl --rotate --vacuum-time=3days
Vacuuming done, freed 0B of archived journals from /run/log/journal.
Vacuuming done, freed 0B of archived journals from /var/log/journal.
Vacuuming done, freed 0B of archived journals from /var/log/journal/ac27c4f71b94428396fc1096906bddb6.

root@debian:/# journalctl --list-boots
 0 eec45fd7dd9b44ce8f18d132382844f3 Tue 2022-05-17 15:39:37 CEST—Tue 2022-05-17 15:39:38 CEST

root@debian:/# journalctl --header
File path: /var/log/journal/ac27c4f71b94428396fc1096906bddb6/user-1000.journal
File ID: b4bd901f6463475b8eb416da416af6f1
Machine ID: ac27c4f71b94428396fc1096906bddb6
Boot ID: eec45fd7dd9b44ce8f18d132382844f3
Sequential number ID: 5b7e6cd7b7a6448691bea6ae5b4153e1
State: OFFLINE
Compatible flags:
Incompatible flags: COMPRESSED-ZSTD KEYED-HASH
Header size: 256
Arena size: 8388352
Data hash table size: 233016
Field hash table size: 333
Rotate suggested: no
Head sequential number: 0 (0)
Tail sequential number: 42118 (a486)
Head realtime timestamp:  ---  (0)
Tail realtime timestamp:  ---  (0)
Tail monotonic timestamp: 0 (0)
Objects: 2
Entry objects: 0
Data objects: 0
Data hash table fill: 0,0%
Field objects: 0
Field hash table fill: 0,0%
Tag objects: 0
Entry array objects: 0
Deepest field hash chain: 0
Deepest data hash chain: 0
Disk usage: 8.0M

File path: /var/log/journal/ac27c4f71b94428396fc1096906bddb6/system.journal
File ID: d17c9a10a3fe4884a3b1ab1031edfcf2
Machine ID: ac27c4f71b94428396fc1096906bddb6
Boot ID: eec45fd7dd9b44ce8f18d132382844f3
Sequential number ID: a3632c9bcac24d45a1085c630e4d0571
State: OFFLINE
Compatible flags:
Incompatible flags: COMPRESSED-ZSTD KEYED-HASH
Header size: 256
Arena size: 8388352
Data hash table size: 233016
Field hash table size: 333
Rotate suggested: no
Head sequential number: 42119 (a487)
Tail sequential number: 42123 (a48b)
Head realtime timestamp: Tue 2022-05-17 15:39:37 CEST (5df3545a0c90e)
Tail realtime timestamp: Tue 2022-05-17 15:39:38 CEST (5df3545a2b401)
Tail monotonic timestamp: 4min 48.417s (1130e807)
Objects: 112
Entry objects: 5
Data objects: 46
Data hash table fill: 0,0%
Field objects: 37
Field hash table fill: 11,1%
Tag objects: 0
Entry array objects: 22
Deepest field hash chain: 0
Deepest data hash chain: 0
Disk usage: 8.0M