vitastor

Author	SHA1	Message	Date
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	cf819eb442	Implement sparse block bitmap to avoid zero-fill	2020-01-12 02:55:32 +03:00
Vitaliy Filippov	4b05bde3a2	Block writes earlier than sync/stabilize would be blocked, too	2020-01-10 20:05:17 +03:00
Vitaliy Filippov	b3f2102f33	Add queue stall tracking	2020-01-10 01:23:46 +03:00
Vitaliy Filippov	ba23824561	Allow to disable zero fill	2020-01-06 21:02:15 +03:00
Vitaliy Filippov	bf3eecc159	Extract 512 to constants	2020-01-06 14:11:47 +03:00
Vitaliy Filippov	e88ad3f2ff	Implement object list operation in blockstore	2019-12-19 20:50:20 +03:00
Vitaliy Filippov	19abe6227e	Fix submission ring overflow & ring_data_t reuse conflicts	2019-12-17 11:26:17 +03:00
Vitaliy Filippov	71635f2327	Use std::hash<object_id> instead of oid_hash	2019-12-15 14:57:18 +03:00
Vitaliy Filippov	a7e74670a5	Split blockstore implementation and interface header	2019-12-15 14:57:18 +03:00