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| author | sueloverso <sue@mongodb.com> | 2016-12-04 23:22:58 -0500 |
|---|---|---|
| committer | Michael Cahill <michael.cahill@mongodb.com> | 2016-12-05 15:22:58 +1100 |
| commit | 853430ea86b8e29cdfa9de34606405d52384d2db (patch) | |
| tree | 60b562016008db77e3f610ad0067e3c40883fdd5 /dist | |
| parent | d2dfe81c95cb2cd2c04cf7e7711c8ad247d63ce1 (diff) | |
| download | mongo-853430ea86b8e29cdfa9de34606405d52384d2db.tar.gz | |
WT-2670 Add access_pattern_hint configuration for tables (#3155)
Diffstat (limited to 'dist')
| -rw-r--r-- | dist/api_config.py | 3 | ||||
| -rw-r--r-- | dist/api_data.py | 8 |
2 files changed, 10 insertions, 1 deletions
diff --git a/dist/api_config.py b/dist/api_config.py index 1069a7037ce..d83a632321e 100644 --- a/dist/api_config.py +++ b/dist/api_config.py @@ -198,7 +198,8 @@ def get_default(c): return 'false' elif c.default == 'true': return 'true' - elif t == 'string' and c.default == 'none': + elif t == 'string' and c.default == 'none' and \ + not c.flags.get('choices', []): return '' elif t == 'category': return '(%s)' % (','.join('%s=%s' % (subc.name, get_default(subc)) diff --git a/dist/api_data.py b/dist/api_data.py index aa76ff45d1a..2d4371923e1 100644 --- a/dist/api_data.py +++ b/dist/api_data.py @@ -120,6 +120,14 @@ lsm_config = [ # Per-file configuration file_config = format_meta + [ + Config('access_pattern_hint', 'none', r''' + It is recommended that workloads that consist primarily of + updates and/or point queries specify \c random. Workloads that + do many cursor scans through large ranges of data specify + \c sequential and other workloads specify \c none. The + option leads to an advisory call to an appropriate operating + system API where available''', + choices=['none', 'random', 'sequential']), Config('block_allocation', 'best', r''' configure block allocation. Permitted values are \c "first" or \c "best"; the \c "first" configuration uses a first-available |