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| author | Michael Cahill <michael.cahill@wiredtiger.com> | 2012-09-26 11:54:36 +1000 |
|---|---|---|
| committer | Michael Cahill <michael.cahill@wiredtiger.com> | 2012-09-26 11:54:36 +1000 |
| commit | a12b4b89277a71bc8cee0b4c828f25d4c071efb9 (patch) | |
| tree | 5c14e5b5a5316de66ebaf5f54c8ba3e540ff6bae /test | |
| parent | ad66a9457f66c550d36c0d6d96b40720f389563f (diff) | |
| download | mongo-a12b4b89277a71bc8cee0b4c828f25d4c071efb9.tar.gz | |
Abort transactions if the cache is so full that they cannot make progress.
This allows WiredTiger to work in caches where the number of pages is small
enough that an old snapshot could block itself from evicting in order to read
new pages.
Diffstat (limited to 'test')
| -rw-r--r-- | test/format/wts.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/test/format/wts.c b/test/format/wts.c index 9211ce8d84e..a2ca65d8e60 100644 --- a/test/format/wts.c +++ b/test/format/wts.c @@ -82,8 +82,8 @@ wts_open(void) if (maxintlitem < 40) maxintlitem = 40; maxleafpage = 1U << g.c_leaf_page_max; - /* Make sure at least 4 leaf page per thread can fit in cache. */ - while (4 * g.c_threads * (maxintlpage + maxleafpage) > g.c_cache << 20) + /* Make sure at least one leaf page per thread can fit in cache. */ + while (g.c_threads * (maxintlpage + maxleafpage) > g.c_cache << 20) maxleafpage >>= 1; maxleafitem = MMRAND(maxleafpage / 50, maxleafpage / 40); if (maxleafitem < 40) |