While a write lock is being held, Read lock can be acquired. But not vice versa. What is the rationale for this design choice. Output of above code ...
While a write lock is being held, Read lock can be acquired. But not vice versa. What is the rationale for this design choice. Output of above code ...
We are writing a concurrent multimap to store multiple values for the same key in a multi threaded application. We have extended Guava ForwardingMulti ...
As for the fair ReentrantReadWriteLock, if the thread t1 holds the read lock and forgets to unlock, and the thread t2 try to acquire the write lock, t ...
Thanks for considering my question, which I think is actually asking: Not quite sure how exactly below code can deadlock. The structure roughly lo ...
I have a class that is used to acquire and release locks for files. I use a customKey class that is just a ReentrantReadWriteLock with an id string (i ...
I'm using a third-party library that uses ReentrantReadWriteLock internally for synchronization. Of course, the library has no suspending function. Fo ...
I have one thread that updates data in Map and several threads that read this data. Now my code looks like this: But I think I overdid it. Can I us ...
I have a ReentrantReadWriteLock in my application. In the run method of the timertask, I do write lock and then call a function. After that I unlock: ...
TL;DR - In my application many threads grab a ReentrantReadWriteLock in READ mode while they are inserting entries into a ConcurrentHashMap via the co ...
I have created 1000 threads to increment,1000 threads to decrement,1000 threads to read the value. Each increment thread ,increases value by 25000 ti ...
I've read java doc: ReentrantReadWriteLock And I don't see that writeLock has any priority over readLock But also I've read topics like this: Are re ...
We have a spring boot service that simply provides data from a map. The map is updated regularly, triggered by a scheduler, meaning we build a new int ...
NOTE: I have really tried to simplify this code I have multiple processes (of different types) performed by multiple Runnable. I'm trying to simplif ...
A colleague of mine stated the following, about using a Java ReentrantReadWriteLock in some Scala code: Acquiring the lock here is risky. It's "re ...
I implemented a cache with using WeakHashMap and ReentrantReadWriteLock, my code is like that: My question is that whill it happen that gc is excut ...
I have the following object: I Have the following block: As you can see I locked part of this code in order to let thread read from this code at ...
I have a trouble with ReentrantReadWriteLock. Thread hangs when I trying to wipe file. I have a scheduled read operation and eventual write operation( ...
I need help in understanding the below code : What will happen if we don't use Read Locks in the above code? Like : Do we really need Read lo ...
There is a sample usage about lock downgrading in the doc of ReentrantReadWriteLock(see this). If I change Object data to volatile Object data, sh ...
I created a application for reading and writing to a remote location property file using JSCH library. I want to synchronize the write operation . T ...