Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Allow configuring the maximum number of computation scheduler threads #2580

Merged
merged 3 commits into from
Feb 11, 2015
Merged

Allow configuring the maximum number of computation scheduler threads #2580

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
787fbff
Allow configuring maximum number of computation scheduler threads
Feb 2, 2015
7ab07ca
Fixed typo.
Feb 2, 2015
d983d2b
Changed system-parameter naming.
Feb 3, 2015
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
21 changes: 19 additions & 2 deletions src/main/java/rx/schedulers/EventLoopsScheduler.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,24 @@
/** Manages a fixed number of workers. */
private static final String THREAD_NAME_PREFIX = "RxComputationThreadPool-";
private static final RxThreadFactory THREAD_FACTORY = new RxThreadFactory(THREAD_NAME_PREFIX);

/**
* Key to setting the maximum number of computation scheduler threads.
* Zero or less is interpreted as use available. Capped by available.
*/
static final String KEY_MAX_THREADS = "rx.scheduler.max-computation-threads";
/** The maximum number of computation scheduler threads. */
static final int MAX_THREADS;
static {
int maxThreads = Integer.getInteger(KEY_MAX_THREADS, 0);
int ncpu = Runtime.getRuntime().availableProcessors();
int max;
if (maxThreads <= 0 || maxThreads > ncpu) {
max = ncpu;
} else {
max = maxThreads;
}
MAX_THREADS = max;
}
static final class FixedSchedulerPool {
final int cores;

Expand All @@ -40,7 +57,7 @@ static final class FixedSchedulerPool {

FixedSchedulerPool() {
// initialize event loops
this.cores = Runtime.getRuntime().availableProcessors();
this.cores = MAX_THREADS;
this.eventLoops = new PoolWorker[cores];
for (int i = 0; i < cores; i++) {
this.eventLoops[i] = new PoolWorker(THREAD_FACTORY);
Expand Down