Commit Graph

17 Commits (2d9f09dcb686e6dabc27026b0b8571ff72afe1a0)

Author SHA1 Message Date
Vitaliy Filippov 78fbaacf1f External jerasure's w into defines
In fact, w=8 looks better than w=32, so it may be changed in the future
2020-12-31 19:15:22 +03:00
Vitaliy Filippov 9d80bd2d98 Build with jerasure, split some build scripts 2020-12-05 19:02:23 +03:00
Vitaliy Filippov a45e0e5e67 Use custom decoding instead of just jerasure_matrix_decode()
- Cache the decoding matrix
- Don't do unnecessary erasures->erased conversion during decoding
- Avoid extra memory allocations during decoding
- Don't always reconstruct coding chunks
- Reconstruct chunks one-by-one, without overlapping ranges
2020-12-04 17:43:48 +03:00
Vitaliy Filippov a4c46ba745 Add jerasure EC support (reed_sol_van, others are slower) (not tested yet) 2020-12-04 11:47:27 +03:00
Vitaliy Filippov 720985e4c7 Fix NULL rmw buffer after the latest changes and add a testcase for it 2020-10-24 18:29:19 +03:00
Vitaliy Filippov e8ac08be14 Allow to overwrite incomplete objects or parts of objects to recover them 2020-10-24 02:14:41 +03:00
Vitaliy Filippov 0471b09b9c Add license notices to all source code files 2020-09-17 23:07:06 +03:00
Vitaliy Filippov e051db5a73 Check for unsuccessful memory allocations 2020-09-05 01:42:11 +03:00
Vitaliy Filippov 4f9b5286a0 Add replicated pool support to OSD logic theory :-D now it needs some testing
2020-09-05 01:42:11 +03:00
Vitaliy Filippov e680d6c1c3 Rename reconstruct_stripe and calc_rmw_parity to indicate that they are only for XOR N+1 2020-06-30 10:40:43 +03:00
Vitaliy Filippov e09d0e0678 Several bug fixes
- Do not block flock() requests
- Fix stop_client(0) attempts leading to std::bad_function_call
- Fix degraded writes crashing due to an unset stripes[i].missing (at least with a missing parity device)
- Fix recovery B/W reporting
2020-05-24 01:51:35 +03:00
Vitaliy Filippov f036eecf1c Fix osd_rmw object recovery case (len==0) 2020-05-23 15:43:37 +03:00
Vitaliy Filippov cf7de0f181 (Almost) Implement misplaced recovery, integrating it into calc_rmw() 2020-04-05 15:50:53 +03:00
Vitaliy Filippov 1b30120918 Fix stripe reconstruction in recovery, only write modified object parts 2020-03-28 13:58:42 +03:00
Vitaliy Filippov 74673c761f Make basic primary-write work 2020-02-25 02:55:58 +03:00
Vitaliy Filippov 88e56a564f Rename osd_read_stripe_t to osd_rmw_stripe_t 2020-02-23 23:43:57 +03:00
Vitaliy Filippov d4fd9d982a Implement read-modify-write calculation and extract it into a separate file 2020-02-23 02:11:43 +03:00