- Punctuation fixes.
- New sentence - new line. Reported by: Ben Kaduk <minimarmot@gmail.com> - No more than 80 chars per line.
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=188919
@ -244,18 +244,20 @@ change the value.
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.It Li debug
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.It Li debug
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Setting a non-zero value enables debugging at various levels.
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Setting a non-zero value enables debugging at various levels.
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Debug level 1 will record actions at a journal level, relating to journal
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Debug level 1 will record actions at a journal level, relating to journal
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switches, metadata updates etc.
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switches, metadata updates, etc.
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Debug level 2 will record actions at a higher level, relating to the numbers of
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Debug level 2 will record actions at a higher level, relating to the numbers of
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entries in journals, access requests etc.
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entries in journals, access requests, etc.
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Debug level 3 will record verbose detail, including insertion of I/Os to the
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Debug level 3 will record verbose detail, including insertion of I/Os to the
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journal.
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journal.
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.It Li switch_time
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.It Li switch_time
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The maximum number of seconds a journal is allowed to remain open before
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The maximum number of seconds a journal is allowed to remain open before
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switching to a new journal.
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switching to a new journal.
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.It Li force_switch
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.It Li force_switch
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Force a journal switch when the journal uses more than N% of the free journal space.
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Force a journal switch when the journal uses more than N% of the free journal
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space.
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.It Li parallel_flushes
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.It Li parallel_flushes
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The number of flush I/O requests to be sent in parallel when flushing the journal to the data provider.
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The number of flush I/O requests to be sent in parallel when flushing the
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journal to the data provider.
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.It Li accept_immediately
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.It Li accept_immediately
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The maximum number of I/O requests accepted at the same time.
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The maximum number of I/O requests accepted at the same time.
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.It Li parallel_copies
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.It Li parallel_copies
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@ -263,7 +265,9 @@ The number of copy I/O requests to send in parallel.
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.It Li record_entries
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.It Li record_entries
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The maximum number of record entries to allow in a single journal.
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The maximum number of record entries to allow in a single journal.
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.It Li optimize
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.It Li optimize
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Controls whether entries in a journal will be optimized, by combining overlapping I/Os into a single I/O, and reordering the entries in a journal. This can be disabled by setting the sysctl to 0.
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Controls whether entries in a journal will be optimized by combining overlapping
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I/Os into a single I/O and reordering the entries in a journal.
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This can be disabled by setting the sysctl to 0.
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.El
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.El
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.Ss cache
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.Ss cache
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The string and integer information available for the cache level
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The string and integer information available for the cache level
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@ -286,13 +290,17 @@ The number of bytes currently allocated to the cache.
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.It Li limit
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.It Li limit
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The maximum number of bytes to be allocated to the cache.
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The maximum number of bytes to be allocated to the cache.
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.It Li divisor
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.It Li divisor
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Sets the cache size to be used as a proportion of kmem_size. A value of 2 (the default) will cause the cache size to be set to 1/2 of the kmem_size.
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Sets the cache size to be used as a proportion of kmem_size.
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A value of 2 (the default) will cause the cache size to be set to 1/2 of the
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kmem_size.
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.It Li switch
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.It Li switch
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Force a journal switch when this percentage of cache has been used.
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Force a journal switch when this percentage of cache has been used.
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.It Li misses
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.It Li misses
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The number of cache misses, when data has been read, but was not found in the cache.
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The number of cache misses, when data has been read, but was not found in the
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cache.
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.It Li alloc_failures
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.It Li alloc_failures
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The number of times memory failed to be allocated to the cache because the cache limit was hit.
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The number of times memory failed to be allocated to the cache because the cache
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limit was hit.
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.El
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.El
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.Ss stats
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.Ss stats
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The string and integer information available for the statistics level
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The string and integer information available for the statistics level
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@ -317,7 +325,8 @@ The number of I/Os which were combined by journal optimization.
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.It Li switches
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.It Li switches
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The number of journal switches.
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The number of journal switches.
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.It Li wait_for_copy
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.It Li wait_for_copy
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The number of times the journal switch process had to wait for the previous journal copy to complete.
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The number of times the journal switch process had to wait for the previous
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journal copy to complete.
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.It Li journal_full
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.It Li journal_full
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The number of times the journal was almost full, forcing a journal switch.
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The number of times the journal was almost full, forcing a journal switch.
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.It Li low_mem
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.It Li low_mem
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