diff options
Diffstat (limited to 'man/man4/zfs.4')
| -rw-r--r-- | man/man4/zfs.4 | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/man/man4/zfs.4 b/man/man4/zfs.4 index a18917eb1..290ecd22e 100644 --- a/man/man4/zfs.4 +++ b/man/man4/zfs.4 @@ -1469,15 +1469,15 @@ feature uses to estimate incoming log blocks. .It Sy zfs_max_logsm_summary_length Ns = Ns Sy 10 Pq ulong Maximum number of rows allowed in the summary of the spacemap log. . -.It Sy zfs_max_recordsize Ns = Ns Sy 1048576 Po 1MB Pc Pq int +.It Sy zfs_max_recordsize Ns = Ns Sy 16777216 Po 16MB Pc Pq int We currently support block sizes from .Em 512B No to Em 16MB . The benefits of larger blocks, and thus larger I/O, need to be weighed against the cost of COWing a giant block to modify one byte. Additionally, very large blocks can have an impact on I/O latency, and also potentially on the memory allocator. -Therefore, we do not allow the recordsize to be set larger than this tunable. -Larger blocks can be created by changing it, +Therefore, we formerly forbade creating blocks larger than 1M. +Larger blocks could be created by changing it, and pools with larger blocks can always be imported and used, regardless of this setting. . |