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Increase minimum number of threads.

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This commit is contained in:
Gunnar Beutner 2013-08-29 15:48:47 +02:00
parent eff505e27f
commit 52b645ed17
1 changed files with 4 additions and 4 deletions
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8
lib/base/threadpool.cpp
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@ -253,7 +253,7 @@ void ThreadPool::ManagerThreadProc(void)
else else
avg_latency = 0; avg_latency = 0;
if (utilization < 60 || utilization > 80 || alive < 2) { if (utilization < 60 || utilization > 80 || alive < 8) {
double wthreads = ceil((utilization * alive) / 80.0); double wthreads = ceil((utilization * alive) / 80.0);
if (!finite(wthreads)) if (!finite(wthreads))
@ -261,9 +261,9 @@ void ThreadPool::ManagerThreadProc(void)
int tthreads = wthreads - alive; int tthreads = wthreads - alive;
/* Don't ever kill the last 2 threads. */ /* Don't ever kill the last 8 threads. */
if (alive + tthreads < 2) if (alive + tthreads < 8)
tthreads = 2 - alive; tthreads = 8 - alive;
/* Spawn more workers if there are outstanding work items. */ /* Spawn more workers if there are outstanding work items. */
if (tthreads > 0 && pending > 0) if (tthreads > 0 && pending > 0)