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closes #5661, fix drd issue

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git-svn-id: file:///svn/toku/tokudb@49538 c7de825b-a66e-492c-adef-691d508d4ae1
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Zardosht Kasheff 2013-04-17 00:01:14 -04:00 • committed by Yoni Fogel
parent 9659dc651c
commit e5faea7b5c
1 changed files with 8 additions and 5 deletions
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13
ft/cachetable.cc
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@ -2967,12 +2967,15 @@ int cleaner::run_cleaner(void) {
if (best_pair && m_pl->m_cleaner_head->mutex == best_pair->mutex) {
// Advance the cleaner head.
long score = 0;
score = cleaner_thread_rate_pair(m_pl->m_cleaner_head);
if (score > best_score) {
best_score = score;
best_pair = m_pl->m_cleaner_head;
// only bother with this pair if it has no current users
if (m_pl->m_cleaner_head->value_rwlock.users() > 0) {
score = cleaner_thread_rate_pair(m_pl->m_cleaner_head);
if (score > best_score) {
best_score = score;
best_pair = m_pl->m_cleaner_head;
}
m_pl->m_cleaner_head = m_pl->m_cleaner_head->clock_next;
}
m_pl->m_cleaner_head = m_pl->m_cleaner_head->clock_next;
continue;
}
pair_lock(m_pl->m_cleaner_head);