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DB_ENV->memp_trickle |
#include <db.h>int DB_ENV->memp_trickle(DB_ENV *env, int percent, int *nwrotep);
The DB_ENV->memp_trickle method ensures that a specified percent of the pages in the shared memory pool are clean, by writing dirty pages to their backing files.
The purpose of the DB_ENV->memp_trickle function is to enable a memory pool manager to ensure that a page is always available for reading in new information without having to wait for a write.
The DB_ENV->memp_trickle method returns a non-zero error value on failure and 0 on success.
The DB_ENV->memp_trickle method may fail and return one of the following non-zero errors:
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