debian/patches/pve/0037-PVE-block-stream-increase-chunk-size.patch

   1 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
   2 From: Stefan Reiter <s.reiter@proxmox.com>
   3 Date: Tue, 2 Mar 2021 16:34:28 +0100
   4 Subject: [PATCH] PVE: block/stream: increase chunk size
   5
   6 Ceph favors bigger chunks, so increase to 4M.
   7
   8 Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
   9 ---
  10  block/stream.c | 2 +-
  11  1 file changed, 1 insertion(+), 1 deletion(-)
  12
  13 diff --git a/block/stream.c b/block/stream.c
  14 index e522bbdec5..afed72db55 100644
  15 --- a/block/stream.c
  16 +++ b/block/stream.c
  17 @@ -27,7 +27,7 @@ enum {
  18       * large enough to process multiple clusters in a single call, so
  19       * that populating contiguous regions of the image is efficient.
  20       */
  21 -    STREAM_CHUNK = 512 * 1024, /* in bytes */
  22 +    STREAM_CHUNK = 4 * 1024 * 1024, /* in bytes */
  23  };
  24
  25  typedef struct StreamBlockJob {