Distributed Lock Manager
The DLM maintains a list of system resources and provides locking mechanisms to control allocation and modification of resources.
Installation
npm install -g distributed-lock-manager
Usage
dlm-server --httpPort 5000 --tcpPort 5001 --maximumWaitForAcquireInMilliseconds 2000 --timeoutInMiliseconds 5000
Screenshot
Commands
Acquire
This command will try to acquire the lock for the given name and return TRUE<newline>
when successfully acquired and FALSE<newline>
when not acquired.
acquire <name><newline>
Release
This command will release the lock for the given name and return OK<newline>
.
release <name><newline>
Wait Acquire
This command is exactly the same as the acquire
command except that it will wait if it could not acquire the lock immediately.
waitAcquire <name><newline>
Client Libraries
Performance
Acquire
- Mean: 2.907 ms
- Median: 3 ms
- Standard Deviation: 1.4595
- 95th Percentile: 5 ms
Release
- Mean: 2.829 ms
- Median: 3 ms
- Standard Deviation: 1.5325
- 95th Percentile: 5 ms