tmp

anarazel · Dec 14, 2023 · 91e3cd0 · 91e3cd0
1 parent 34dcb29
commit 91e3cd0
Show file tree

Hide file tree

Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/src/backend/access/heap/heapam.c b/src/backend/access/heap/heapam.c
@@ -294,7 +294,7 @@ heap_pgsr_next_parallel(PgStreamingRead *pgsr,
 static PgStreamingRead *
 heap_pgsr_single_alloc(HeapScanDesc scan)
 {
-	int			iodepth = Max(Min(128, NBuffers / 128), 1);
+	int			iodepth = Max(Min(512, NBuffers / 128), 1);
 
 	return pg_streaming_read_buffer_alloc(iodepth, 0,
 										  (uintptr_t) scan,
@@ -305,7 +305,7 @@ heap_pgsr_single_alloc(HeapScanDesc scan)
 static PgStreamingRead *
 heap_pgsr_parallel_alloc(HeapScanDesc scan)
 {
-	int			iodepth = Max(Min(128, NBuffers / 128), 1);
+	int			iodepth = Max(Min(512, NBuffers / 128), 1);
 
 	return pg_streaming_read_buffer_alloc(iodepth, 0,
 										  (uintptr_t) scan,

diff --git a/src/backend/storage/aio/aio.c b/src/backend/storage/aio/aio.c
@@ -68,7 +68,7 @@ int			max_aio_in_progress = 32768;	/* XXX: Multiple of MaxBackends
 											 * instead? */
 int			max_aio_in_flight = 4096;
 int			max_aio_bounce_buffers = 1024;
-int			io_max_concurrency = 128;
+int			io_max_concurrency = 512;
 
 static int	aio_local_callback_depth = 0;