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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <p style="margin: 10px 0 0; margin-top: 0">We have been investigating some strange statistics with our natural id caches, specifically, millions of misses and puts but 0 hits.</p> <p style="margin: 10px 0 0">We have tracked the issue down to the same code that Andrey has identified:</p>
<div class="preformatted panel" style="border-width: 1px;; border: 1px solid #cccccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #cccccc; -moz-border-radius: 3px; border-radius: 3px; margin: 9px 0">
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<pre style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal; white-space: pre; word-break: normal; word-wrap: break-word; word-break: break-all; white-space: pre-wrap"> public void handleNaturalIdPostSaveNotifications(Serializable generatedId) {
if ( isEarlyInsert() ) {
// with early insert, we still need to add a local (transactional) natural id cross-reference
getSession().getPersistenceContext().getNaturalIdHelper().manageLocalNaturalIdCrossReference(
getPersister(),
generatedId,
state,
null,
CachedNaturalIdValueSource.INSERT
);
}
// after save, we need to manage the shared cache entries
getSession().getPersistenceContext().getNaturalIdHelper().manageSharedNaturalIdCrossReference(
getPersister(),
getId(),
state,
null,
CachedNaturalIdValueSource.INSERT
);
}
</pre>
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</div> <p style="margin: 10px 0 0">It seems like changing getId() to generatedId would resolve the issue. We will fork the project and test the fix.</p> </td>
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