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<title>Berkeley DB: DbEnv.memp_trickle</title>
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<h1>DbEnv.memp_trickle</h1>
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import com.sleepycat.db.*;
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public int memp_trickle(int pct)
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<p>The DbEnv.memp_trickle method ensures that at least <b>pct</b> percent of
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the pages in the shared memory pool are clean by writing dirty pages to
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The number of pages that were written to reach the correct percentage is
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<p>The purpose of the DbEnv.memp_trickle function is to enable a memory
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pool manager to ensure that a page is always available for reading in new
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information without having to wait for a write.
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<p>The DbEnv.memp_trickle method throws an exception that encapsulates a non-zero error value on
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<p>The DbEnv.memp_trickle method may fail and throw an exception encapsulating a non-zero error for the following conditions:
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<p><dt>EINVAL<dd>An invalid flag value or parameter was specified.
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<p>The DbEnv.memp_trickle method may fail and throw an exception for errors specified for other Berkeley DB and C library or system methods.
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If a catastrophic error has occurred, the DbEnv.memp_trickle method may fail and
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throw a <a href="../api_java/runrec_class.html">DbRunRecoveryException</a>,
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in which case all subsequent Berkeley DB calls will fail in the same way.
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<a href="../api_java/env_class.html">DbEnv</a>, <a href="../api_java/mempfile_class.html">DbMpoolFile</a>
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<a href="../api_java/memp_list.html">Memory Pools and Related Methods</a>
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