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| author | Alex Gorrod <alexg@wiredtiger.com> | 2015-03-24 16:53:28 +1100 |
|---|---|---|
| committer | Alex Gorrod <alexg@wiredtiger.com> | 2015-03-24 16:53:28 +1100 |
| commit | 065a435f6b1d1b3fcb640d59c3109d0c2e24d308 (patch) | |
| tree | 42afc56044124d804a9d482297ff9e240c542164 /tools | |
| parent | 62ece8e80b452b2b19db718505b22488d9b7639b (diff) | |
| download | mongo-065a435f6b1d1b3fcb640d59c3109d0c2e24d308.tar.gz | |
Add statistics to track internal/overflow/leaf pages in cache.
It is often useful to know if a cache is full of internal pages. I
could have added page count tracking, but byte count tracking seems
more useful (enough to justify the extra performance overhead).
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/wtstats/stat_data.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/wtstats/stat_data.py b/tools/wtstats/stat_data.py index 43ae5055172..a4fc2fcc831 100644 --- a/tools/wtstats/stat_data.py +++ b/tools/wtstats/stat_data.py @@ -7,6 +7,9 @@ no_scale_per_second_list = [ 'cache: maximum page size at eviction', 'cache: pages currently held in the cache', 'cache: percentage overhead', + 'cache: tracked bytes belonging to internal pages in the cache', + 'cache: tracked bytes belonging to leaf pages in the cache', + 'cache: tracked bytes belonging to overflow pages in the cache', 'cache: tracked dirty bytes in the cache', 'cache: tracked dirty pages in the cache', 'connection: files currently open', @@ -63,6 +66,9 @@ no_clear_list = [ 'cache: maximum bytes configured', 'cache: pages currently held in the cache', 'cache: percentage overhead', + 'cache: tracked bytes belonging to internal pages in the cache', + 'cache: tracked bytes belonging to leaf pages in the cache', + 'cache: tracked bytes belonging to overflow pages in the cache', 'cache: tracked dirty bytes in the cache', 'cache: tracked dirty pages in the cache', 'connection: files currently open', |