Vitaliy Filippov
43f6cfeb73
Extract alignments to options
2020-01-16 00:54:25 +03:00
Vitaliy Filippov
a3d3949dce
Do not overwrite same journal sector multiple times
...
It doesn't reduce actual WA, but it reduces tail latency (Q=32, 10% / 50% / 90% / 99% / 99.95%):
- write: 766us/979us/1090us/1303us/1729us vs 1074us/1450us/2212us/3261us/4113us
- sync: 701us/881us/1188us/1762us/2540us vs 269us/955us/1663us/2638us/4146us
2020-01-15 02:53:01 +03:00
Vitaliy Filippov
bf3eecc159
Extract 512 to constants
2020-01-06 14:11:47 +03:00
Vitaliy Filippov
a7e74670a5
Split blockstore implementation and interface header
2019-12-15 14:57:18 +03:00
Vitaliy Filippov
749ab6e2c6
Rename blockstore_operation to blockstore_op_t
2019-12-15 14:57:18 +03:00
Vitaliy Filippov
fd13965b90
Force start when journal is full
2019-12-03 02:23:29 +03:00
Vitaliy Filippov
40781c67b2
Trim journal on start
2019-11-29 02:13:32 +03:00
Vitaliy Filippov
9fa0d3325f
Support inmemory journal
2019-11-28 18:06:50 +03:00
Vitaliy Filippov
e2b91968c5
Fix sync confirmations and some pipeline-stall bugs
2019-11-27 18:07:38 +03:00
Vitaliy Filippov
78807eb244
Fix journal space check (do not overwrite the beginning of the journal)
2019-11-27 11:35:11 +03:00
Vitaliy Filippov
3bfa2f5f39
Fix io_uring submission, journal sector selection
2019-11-19 18:07:40 +03:00
Vitaliy Filippov
c2de733e35
Copy io_uring_prep_* to my_uring_prep_* so they do not clear user_data
2019-11-17 21:39:30 +03:00
Vitaliy Filippov
1c6b9778a4
Handle all io_uring events using lambdas
2019-11-13 22:46:42 +03:00
Vitaliy Filippov
46e96c5128
Remove duplicate journal buffer submission code
2019-11-11 18:38:57 +03:00
Vitaliy Filippov
8edb9e9d6f
Remove duplicate journal writing code (and fix it at the same time)
2019-11-11 00:28:14 +03:00