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DbEnv::memp_trickle |
#include <db_cxx.h>int DbEnv::memp_trickle(int percent, int *nwrotep);
The DbEnv::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 DbEnv::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 DbEnv::memp_trickle method either returns a non-zero error value or throws an exception that encapsulates a non-zero error value on failure, and returns 0 on success.
The DbEnv::memp_trickle method may fail and throw DbException, encapsulating one of the following non-zero errors, or return one of the following non-zero errors:
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