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Author	SHA1	Message	Date
Alexander Motin	afb8674c79	Import adapted OpenSolaris' thread pool API implementation. The thread pool is used by libzfs to implement parallel disk scanning. Without this change our dummy wrapper made `zpool import ZZZ` command to scan all disks sequentially from the single thread when searching for pools. This change makes it use two threads per CPU, same as in OpenSolaris. On system with 200 HDDs this change reduces ZFS pool import time from 35 to 22 seconds.	2014-05-08 16:59:36 +00:00
Pawel Jakub Dawidek	10b9d77bf1	Finally... Import the latest open-source ZFS version - (SPA) 28. Few new things available from now on: - Data deduplication. - Triple parity RAIDZ (RAIDZ3). - zfs diff. - zpool split. - Snapshot holds. - zpool import -F. Allows to rewind corrupted pool to earlier transaction group. - Possibility to import pool in read-only mode. MFC after: 1 month	2011-02-27 19:41:40 +00:00

Author

SHA1

Message

Date

Alexander Motin

afb8674c79

Import adapted OpenSolaris' thread pool API implementation.

The thread pool is used by libzfs to implement parallel disk scanning.
Without this change our dummy wrapper made `zpool import ZZZ` command to
scan all disks sequentially from the single thread when searching for pools.
This change makes it use two threads per CPU, same as in OpenSolaris.

On system with 200 HDDs this change reduces ZFS pool import time from 35
to 22 seconds.

2014-05-08 16:59:36 +00:00

Pawel Jakub Dawidek

10b9d77bf1

Finally... Import the latest open-source ZFS version - (SPA) 28.

Few new things available from now on:

- Data deduplication.
- Triple parity RAIDZ (RAIDZ3).
- zfs diff.
- zpool split.
- Snapshot holds.
- zpool import -F. Allows to rewind corrupted pool to earlier
  transaction group.
- Possibility to import pool in read-only mode.

MFC after:	1 month

2011-02-27 19:41:40 +00:00

2 commits