Index: libcfa/src/concurrency/io.cfa
===================================================================
--- libcfa/src/concurrency/io.cfa	(revision 5dadc9b7571b4f9de735cfb7669aac60846b0c5f)
+++ libcfa/src/concurrency/io.cfa	(revision 0335620c9fbbe75897c5ef0473c3475796a22d6f)
@@ -280,6 +280,6 @@
 
 		if( io_flags & CFA_CLUSTER_IO_POLLER_THREAD_SUBMITS ) {
-			sq.ready_cnt = 10;
-			sq.ready = alloc( sq.ready_cnt );
+			sq.ready_cnt = 32;
+			sq.ready = alloc_align( 64, sq.ready_cnt );
 			for(i; sq.ready_cnt) {
 				sq.ready[i] = -1ul32;
@@ -584,5 +584,5 @@
 				int count;
 				bool again;
-				[count, again] = __drain_io( ring, &mask, 1, true );
+				[count, again] = __drain_io( ring, &mask, 0, true );
 
 				// Update statistics
@@ -665,7 +665,8 @@
 	}
 
+	static inline void __wake_poller( struct __io_data & ring ) __attribute__((artificial));
 	static inline void __wake_poller( struct __io_data & ring ) {
-		sigval val = { 1 };
-		pthread_sigqueue( ring.poller.slow.kthrd, SIGUSR1, val );
+		// sigval val = { 1 };
+		// pthread_sigqueue( ring.poller.slow.kthrd, SIGUSR1, val );
 	}