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40 Commits

Author SHA1 Message Date
Fabian Grünbichler
6f532dfb7d various clippy fixes 
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
 2024-06-06 11:40:49 +02:00
Lukas Wagner
2f94283367 rrd: spell out hard to understand abbreviations in public types 
Signed-off-by: Lukas Wagner <l.wagner@proxmox.com>
 2024-02-01 10:32:19 +01:00
Lukas Wagner
f9e8ebfdc8 rrd: fix a few typos 
Signed-off-by: Lukas Wagner <l.wagner@proxmox.com>
 2024-02-01 10:32:19 +01:00
Thomas Lamprecht
109902fbf0 tree-wide: fix various typos 
found with codespell

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 2023-11-29 18:32:07 +01:00
Fabian Grünbichler
1aa6f0ea22 clippy 1.65 fixes 
and rustfmt

Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
 2022-12-05 11:40:02 +01:00
Wolfgang Bumiller
56b5c28930 rrd: Entry type and clippy fixes 
Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
 2022-07-27 14:54:44 +02:00
Thomas Lamprecht
d5b9d1f482 rrd: rust fmt 
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 2022-04-06 16:56:33 +02:00
Thomas Lamprecht
6149c171ca rrd cache: code style, avoid useless intermediate mutable 
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 2022-02-15 07:59:12 +01:00
Fabian Grünbichler
d80d195c26 misc clippy fixes 
the trivial ones ;)

Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
 2022-02-08 14:57:16 +01:00
Fabian Grünbichler
c8e73a225a rrd: drop redundant field names 
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
 2021-12-30 15:02:07 +01:00
Fabian Grünbichler
872b5f41cd tree-wide: drop redundant clones 
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
 2021-12-30 15:02:07 +01:00
Fabian Grünbichler
5b19368000 tree-wide: fix needless borrows 
found and fixed via clippy

Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
 2021-12-30 13:55:33 +01:00
Dietmar Maurer
a092ef9c32 update to proxmox-sys 0.2 crate 
- imported pbs-api-types/src/common_regex.rs from old proxmox crate
- use hex crate to generate/parse hex digest
- remove all reference to proxmox crate (use proxmox-sys and
  proxmox-serde instead)

Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>
 2021-11-24 10:32:27 +01:00
Dietmar Maurer
412712029c proxmox-rrd: use fsync instead of syncfs 
syncfs can sync unrelated data, and we do not want that.

Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>
 2021-10-20 11:46:59 +02:00
Dietmar Maurer
86b50e18ed proxmox-rrd: improve dev docs 
Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>
 2021-10-19 11:17:09 +02:00
Dietmar Maurer
ed6a7f52e5 proxmox-rrd: cleanup - impl FromStr for JournalEntry 
Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>
 2021-10-19 11:17:09 +02:00
Dietmar Maurer
336e8f3e7f proxmox-rrd: use syncfs after writing rrd files 
Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>
 2021-10-19 11:17:09 +02:00
Dietmar Maurer
77c2e4668b proxmox-rrd: use fine grained locking in commit_journal_impl 
Aquire the rrd_map lock for each file (else we block access for a long time)
 2021-10-18 14:55:47 +02:00
Dietmar Maurer
cc0bb59788 proxmox-rrd: log all errors from apply_and_commit_journal_thread (but only once) 2021-10-18 11:57:19 +02:00
Dietmar Maurer
a74384f725 proxmox-rrd: cleanup - use struct instead of tuple 2021-10-16 12:45:03 +02:00
Dietmar Maurer
4393b93a8b proxmox-rrd: move RRDMap into extra file 2021-10-16 12:45:03 +02:00
Dietmar Maurer
9dcc64b71a proxmox-rrd: move JournalState into extra file 2021-10-16 12:45:03 +02:00
Dietmar Maurer
30b4800f4f proxmox-rrd: implement non blocking journal 
Do not block while applying the journal.
 2021-10-16 12:45:03 +02:00
Dietmar Maurer
2c24c1dd22 proxmox-rrd: rename RRDCacheState to JournalState 2021-10-15 09:35:44 +02:00
Dietmar Maurer
2be07c2250 proxmox-rrd: avoild blocking readers while applying the journal 
By using and extra RwLock<RRDMap> on the rrd data.
 2021-10-15 09:22:07 +02:00
Dietmar Maurer
3275f1ac16 proxmox-rrd: log journal apply/flush times, split apply and flush 
We need to apply the journal only once.
 2021-10-15 07:16:41 +02:00
Dietmar Maurer
26bd6a4f77 proxmox-rrd: improve dev docs 2021-10-14 11:53:54 +02:00
Dietmar Maurer
8619b21e4d proxmox-rrd: make rrd load callback configurable 2021-10-14 11:41:26 +02:00
Dietmar Maurer
a1eede6918 proxmox-rrd: pass time and value to update function 2021-10-14 08:12:56 +02:00
Dietmar Maurer
2c72c6a7ba proxmox-rrd: split out load_rrd (cleanup) 
Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 2021-10-13 13:36:02 +02:00
Dietmar Maurer
cf097c5a89 proxmox-rrd: remove dependency to proxmox-rrd-api-types 
Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 2021-10-13 13:36:02 +02:00
Dietmar Maurer
bc68dee171 proxmox-rrd: implement new CBOR based format 
Storing much more data points now got get better graphs.

Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 2021-10-13 13:36:02 +02:00
Dietmar Maurer
0355554905 proxmox-rrd: use a journal to reduce amount of bytes written 
Append pending changes in a simple text based format that allows for
lockless appends as long as we stay below 4 KiB data per write.

Apply the journal every 30 minutes and on daemon startup.

Note that we do not ensure that the journal is synced, this is a
perfomance optimization we can make as the kernel defaults to
writeback in-flight data every 30s (sysctl vm/dirty_expire_centisecs)
anyway, so we lose at max half a minute of data on a crash, here one
should have in mind that we normally expose 1 minute as finest
granularity anyway, so not really much lost.

Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
 2021-10-13 13:36:02 +02:00
Wolfgang Bumiller
e0ce41b03a update to first proxmox crate split 
Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
 2021-10-11 11:58:49 +02:00
Dietmar Maurer
071cb7aa8b proxmox-rrd: use correct directory options in create_rrdb_dir 2021-10-07 08:50:50 +02:00
Dietmar Maurer
5165bed8c2 proxmox-rrd: use log crate instead of eprintln, avoid duplicate logs 2021-10-06 18:19:22 +02:00
Dietmar Maurer
881d8f85ea proxmox-rrd: improve developer docs 2021-10-06 12:19:54 +02:00
Dietmar Maurer
538e6f66f3 split out RRD api types into proxmox-rrd-api-types crate 2021-10-06 09:49:51 +02:00
Dietmar Maurer
ac17698e4a proxmox-rrd: use create_path instead of std::fs::create_dir_all 
To ensure correct file ownership.
 2021-10-06 08:37:14 +02:00
Dietmar Maurer
8d1a9d2ec6 move RRD code into proxmox-rrd crate 2021-10-06 08:13:28 +02:00