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https://issues.apache.org/jira/browse/KYLIN-2509?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ted Yu resolved KYLIN-2509.
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Resolution: Not A Problem
> Unsafe iteration over booking in MemoryBudgetController#tryFreeUp
> -----------------------------------------------------------------
>
> Key: KYLIN-2509
> URL: https://issues.apache.org/jira/browse/KYLIN-2509
> Project: Kylin
> Issue Type: Bug
> Reporter: Ted Yu
> Priority: Minor
>
> {code}
> for (ConsumerEntry entry : booking.values()) {
> int mb = entry.consumer.freeUp(gap);
> if (mb > 0) {
> lock.lock();
> try {
> updateBookingWithDelta(entry.consumer, -mb);
> {code}
> In updateBookingWithDelta, booking may be modified, leading to concurrent
> modification.
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