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Calculate required stabilize/rollback actions, add more map perf tests

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This commit is contained in:
Vitaliy Filippov
2020-01-27 01:34:30 +03:00
parent 079f129390
commit 1447c44b68
5 changed files with 202 additions and 43 deletions
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object_id.h
+6 -2
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@@ -2,8 +2,12 @@
#include <stdint.h>
// Max 64 replicas
#define STRIPE_MASK 0x3F
#define STRIPE_SHIFT 6
// 16 bytes per object/stripe id
// stripe includes replica number in 4 least significant bits
// stripe includes replica number in 6 (or maybe 4, see above) least significant bits
struct __attribute__((__packed__)) object_id
{
uint64_t inode;
@@ -12,7 +16,7 @@ struct __attribute__((__packed__)) object_id
inline uint64_t operator % (const object_id & a, const uint64_t b)
{
return ((a.inode % b) * (0x100000000 % b) * (0x100000000 % b) + a.stripe % b) % b;
return ((a.inode % b) * (0x100000000 % b) * (0x100000000 % b) + (a.stripe >> STRIPE_SHIFT) % b) % b;
}
inline bool operator == (const object_id & a, const object_id & b)