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https://issues.apache.org/jira/browse/IGNITE-18350?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vladislav Pyatkov updated IGNITE-18350:
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Description:
We have two collections, those store lock modes:
{code}
HeapLockManager.WaiterImpl#locks
HeapLockManager.WaiterImpl#intendedLocks
{code}
That is done for continent way to implement all lock manager requirement. But
for optimization, we can do this through _BitSet_. The redesign is possible
because we have predefined lock modes (_LockMode_) and attempts to accesses to
the modes are bounded. The amount of attempts significantly less than MaxInt
value.
The optimization allows using less memory for lock on each entry.
was:
We have two collection that store lock modes:
{code}
HeapLockManager.WaiterImpl#locks
HeapLockManager.WaiterImpl#intendedLocks
{code}
That is done for continent way to implement all lock manager requirement. But
for optimization, we can do this through _BitSet_. The redesign is possible
because we have predefined lock modes (_LockMode_) and attempts to accesses to
the modes are bounded. The amount of attempts significantly less than MaxInt
value.
The optimization allows using less memory for lock on each entry.
> Redesign two ciollections of lock modes to a bitset into the heap lock manager
> ------------------------------------------------------------------------------
>
> Key: IGNITE-18350
> URL: https://issues.apache.org/jira/browse/IGNITE-18350
> Project: Ignite
> Issue Type: Improvement
> Reporter: Vladislav Pyatkov
> Priority: Major
> Labels: ignite-3
>
> We have two collections, those store lock modes:
> {code}
> HeapLockManager.WaiterImpl#locks
> HeapLockManager.WaiterImpl#intendedLocks
> {code}
> That is done for continent way to implement all lock manager requirement. But
> for optimization, we can do this through _BitSet_. The redesign is possible
> because we have predefined lock modes (_LockMode_) and attempts to accesses
> to the modes are bounded. The amount of attempts significantly less than
> MaxInt value.
> The optimization allows using less memory for lock on each entry.
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