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TO USE A SECOND WATCH PAGE PER INSTANCE Description: BUF_POOL_WATCH_SIZE is also initialized to number of purge threads. so BUF_POOL_WATCH_SIZE will never be lesser than number of purge threads. From the code, there is no scope for purge thread to skip buf_pool_watch_unset. So there can be at most one buffer pool watch active per purge thread. In other words, there is no chance for purge thread instance to hold a watch when setting another watch. Solution: Adding code comments to clarify the issue. Reviewed-by: Marko Mäkelä <marko.makela@oracle.com> Approved via Bug page. |
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| buf0buddy.c | ||
| buf0buf.c | ||
| buf0flu.c | ||
| buf0lru.c | ||
| buf0rea.c | ||