Commit Graph

8 Commits

Author SHA1 Message Date
Anis Elleuch
7be7109471
locking: Add Refresh for better locking cleanup (#11535)
Co-authored-by: Anis Elleuch <anis@min.io>
Co-authored-by: Harshavardhana <harsha@minio.io>
2021-03-03 18:36:43 -08:00
Harshavardhana
eafa775952
fix: add lock ownership to expire locks (#10571)
- Add owner information for expiry, locking, unlocking a resource
- TopLocks returns now locks in quorum by default, provides
  a way to capture stale locks as well with `?stale=true`
- Simplify the quorum handling for locks to avoid from storage
  class, because there were challenges to make it consistent
  across all situations.
- And other tiny simplifications to reset locks.
2020-09-25 19:21:52 -07:00
Harshavardhana
83a82d818e
allow lock tolerance to match storage-class drive tolerance (#10270) 2020-08-14 18:17:14 -07:00
Harshavardhana
d55f4336ae
preserve context per request for local locks (#9828)
In the Current bug we were re-using the context
from previously granted lockers, this would
lead to lock timeouts for existing valid
read or write locks, leading to premature
timeout of locks.

This bug affects only local lockers in FS
or standalone erasure coded mode. This issue
is rather historical as well and was present
in lsync for some time but we were lucky to
not see it.

Similar changes are done in dsync as well
to keep the code more familiar

Fixes #9827
2020-06-14 07:43:10 -07:00
Klaus Post
6a8298b137
Reduce Mutex test runs (#9345)
Some tests take a long time on CI:

* `--- PASS: TestRWMutex (226.49s)`
* ` --- PASS: TestRWMutex (7.13s)`

Reduce the number of runs.

Before/after locally:

```
--- PASS: TestRWMutex (20.95s)
--- PASS: TestRWMutex (7.13s)

--- PASS: TestMutex (3.01s)
--- PASS: TestMutex (1.65s)
```
2020-04-14 18:39:03 -07:00
Harshavardhana
ab7d3cd508
fix: Speed up multi-object delete by taking bulk locks (#8974)
Change distributed locking to allow taking bulk locks
across objects, reduces usually 1000 calls to 1.

Also allows for situations where multiple clients sends
delete requests to objects with following names

```
{1,2,3,4,5}
```

```
{5,4,3,2,1}
```

will block and ensure that we do not fail the request
on each other.
2020-02-21 11:29:57 +05:30
Harshavardhana
347b29d059 Implement bucket expansion (#8509) 2019-11-19 17:42:27 -08:00
Harshavardhana
e9b2bf00ad Support MinIO to be deployed on more than 32 nodes (#8492)
This PR implements locking from a global entity into
a more localized set level entity, allowing for locks
to be held only on the resources which are writing
to a collection of disks rather than a global level.

In this process this PR also removes the top-level
limit of 32 nodes to an unlimited number of nodes. This
is a precursor change before bring in bucket expansion.
2019-11-13 12:17:45 -08:00