Archive-Team
/
zfs
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 103 Wiki Activity

updated QAT related tunables

Richard Elling 2020-02-02 12:50:46 -08:00
parent d3d20233b3
commit 9d0db7d50b
1 changed files with 39 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
ZFS-on-Linux-Module-Parameters.md

@ -108,6 +108,7 @@ has a "Tags" row with keywords for frequent searches.
* [zfs_checksums_per_second](#zfs_checksums_per_second)
* [zfs_fletcher_4_impl](#zfs_fletcher_4_impl)
* [zfs_nopwrite_enabled](#zfs_nopwrite_enabled)
* [zfs_qat_checksum_disable](#zfs_qat_checksum_disable)
#### compression
* [zfs_compressed_arc_enabled](#zfs_compressed_arc_enabled)
* [zfs_qat_compress_disable](#zfs_qat_compress_disable)
@ -161,6 +162,7 @@ has a "Tags" row with keywords for frequent searches.
* [zfs_dmu_offset_next_sync](#zfs_dmu_offset_next_sync)
#### encryption
* [zfs_key_max_salt_uses](#zfs_key_max_salt_uses)
* [zfs_qat_encrypt_disable](#zfs_qat_encrypt_disable)
#### filesystem
* [zfs_admin_snapshot](#zfs_admin_snapshot)
* [zfs_delete_blocks](#zfs_delete_blocks)
@ -252,8 +254,10 @@ has a "Tags" row with keywords for frequent searches.
* [zfetch_min_sec_reap](#zfetch_min_sec_reap)
* [zvol_prefetch_bytes](#zvol_prefetch_bytes)
#### QAT
* [zfs_qat_compress_disable](#zfs_qat_compress_disable)
* [zfs_qat_disable](#zfs_qat_disable)
* [zfs_qat_checksum_disable](#zfs_qat_checksum_disable)
* [zfs_qat_compress_disable](#zfs_qat_compress_disable)
* [zfs_qat_encrypt_disable](#zfs_qat_encrypt_disable)
#### raidz
* [zfs_vdev_raidz_impl](#zfs_vdev_raidz_impl)
#### resilver
@ -499,8 +503,10 @@ has a "Tags" row with keywords for frequent searches.
* [zfs_pd_bytes_max](#zfs_pd_bytes_max)
* [zfs_per_txg_dirty_frees_percent](#zfs_per_txg_dirty_frees_percent)
* [zfs_prefetch_disable](#zfs_prefetch_disable)
* [zfs_qat_checksum_disable](#zfs_qat_checksum_disable)
* [zfs_qat_compress_disable](#zfs_qat_compress_disable)
* [zfs_qat_disable](#zfs_qat_disable)
* [zfs_qat_encrypt_disable](#zfs_qat_encrypt_disable)
* [zfs_read_chunk_size](#zfs_read_chunk_size)
* [zfs_read_history](#zfs_read_history)
* [zfs_read_history_hits](#zfs_read_history_hits)
@ -3788,7 +3794,22 @@ is present and qat driver available, the default behaviour is to enable QAT.
| Range | 0=use QAT acceleration if available, 1=do not use QAT acceleration
| Default | 0
| Change | Dynamic
| Versions Affected | v0.7.0 to TBD, renamed to `zfs_qat_compression_enable` in version TBD
| Versions Affected | v0.7, renamed to [zfs_qat_compress_disable](#zfs_qat_compress_disable) in v0.8
### zfs_qat_checksum_disable
`zfs_qat_checksum_disable` controls the Intel QuickAssist Technology (QAT) driver
providing hardware acceleration for checksums. When the QAT hardware
is present and qat driver available, the default behaviour is to enable QAT.
| zfs_qat_checksum_disable | Notes
|---|---
| Tags | [checksum](#checksum), [QAT](#qat)
| When to change | Testing QAT functionality
| Data Type | boolean
| Range | 0=use QAT acceleration if available, 1=do not use QAT acceleration
| Default | 0
| Change | Dynamic
| Versions Affected | v0.8.0
### zfs_qat_compress_disable
`zfs_qat_compress_disable` controls the Intel QuickAssist Technology (QAT) driver
@ -3803,7 +3824,22 @@ is present and qat driver available, the default behaviour is to enable QAT.
| Range | 0=use QAT acceleration if available, 1=do not use QAT acceleration
| Default | 0
| Change | Dynamic
| Versions Affected | planned for v0.8.0
| Versions Affected | v0.8.0
### zfs_qat_encrypt_disable
`zfs_qat_encrypt_disable` controls the Intel QuickAssist Technology (QAT) driver
providing hardware acceleration for encryption. When the QAT hardware
is present and qat driver available, the default behaviour is to enable QAT.
| zfs_qat_encrypt_disable | Notes
|---|---
| Tags | [encryption](#encryption), [QAT](#qat)
| When to change | Testing QAT functionality
| Data Type | boolean
| Range | 0=use QAT acceleration if available, 1=do not use QAT acceleration
| Default | 0
| Change | Dynamic
| Versions Affected | v0.8.0
### dbuf_cache_hiwater_pct
The `dbuf_cache_hiwater_pct` and [dbuf_cache_lowater_pct](#dbuf_cache_lowater_pct)