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2 commits

Author SHA1 Message Date
Harshavardhana
4550ac6fff
fix: refactor locks to apply them uniquely per node (#11052)
This refactor is done for few reasons below

- to avoid deadlocks in scenarios when number
  of nodes are smaller < actual erasure stripe
  count where in N participating local lockers
  can lead to deadlocks across systems.

- avoids expiry routines to run 1000 of separate
  network operations and routes per disk where
  as each of them are still accessing one single
  local entity.

- it is ideal to have since globalLockServer
  per instance.

- In a 32node deployment however, each server
  group is still concentrated towards the
  same set of lockers that partipicate during
  the write/read phase, unlike previous minio/dsync
  implementation - this potentially avoids send
  32 requests instead we will still send at max
  requests of unique nodes participating in a
  write/read phase.

- reduces overall chattiness on smaller setups.
2020-12-10 07:28:37 -08:00
Harshavardhana
e083471ec4
use argon2 with sync.Pool for better memory management (#11019) 2020-12-03 19:23:19 -08:00