thread_pools | A header only thread pool library | Performance Testing library
kandi X-RAY | thread_pools Summary
kandi X-RAY | thread_pools Summary
In the last 2 days, I implemented 2 kinds of thread pools:. These kinds of pools can be qualified with different tasks according to user's specific situations.
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QUESTION
I posted a question regarding how to effectively manage threads here How do I properly use Threads to connect ping a url?
I got some great recommendations and tips regarding pools, thread safety, and some libraries and gems to use. I'm trying to execute one of the recommendations listed by using concurrent-ruby to create a thread/connction pool to execute some threads. In a simple ruby file I have the following code:
...ANSWER
Answered 2020-Feb-11 at 21:06Your code is correct and the block is successfully pushed to the pool. However, before it gets executed, the program terminates and kills the pool. That's why you don't see any output - it did not have enough time to execute the job.
You can either add sleep
statement at the end or, for more elegant solution, tell the pool to finish all the work and shut down. This will look like this:
QUESTION
I need to construct a thread pool to connect with different servers, but I need to name the connections to reuse the connection I need in each case, the problem is that I cannot store references to the threads.
More detailed explanation:
I start a thread (because I've received a request for example), in that thread I make a new connection to server 'A' and do something there, after that, I have a response to my client. When I finish the request the thread finished.
After a while I get a new request from a client and in that request I want to reuse the same connection I was using before, but I have no reference to it.
What I would like is to store a reference to each alive connection to be able to reuse those across the threads.
The solutions I've checked were:
connection_pool treats all the connections equal, and I need to handle different connections.
agent (concurrent-ruby) doesn't explain how to store agents for reuse.
thread_pools (concurrent-ruby) seems to solve the problem of reusing threads, but lack the option to select which thread to re-use.
...ANSWER
Answered 2018-Apr-17 at 20:00It seems that I was missing an obvious thing, within ruby variables are not thread local by default (this are thread variables for).
Given that the obvious way to store a connection, a thread or a anything between threads is having an object with references.
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