From: Bryan Stillwell <bstillwell@godaddy.com>
Date: Tue, 24 Mar 2020 21:15:41 +0000 (-0600)
Subject: compressor: Set the Zstd default compression level to 1
X-Git-Tag: v15.2.9~122^2~68^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=34585aaa60e691c8249e5670818e1d4148fb298d;p=ceph.git

compressor: Set the Zstd default compression level to 1

The default compression level of 5 for Zstandard is too high for the majority
of use cases since it requires too many CPU cycles.  This patch switches the
default to 1.

Fixes: https://tracker.ceph.com/issues/44724

Signed-off-by: Bryan Stillwell <bstillwell@godaddy.com>
(cherry picked from commit caf74d533b0c6c9e6fc5b1463ae2c3be1103d7f3)
---

diff --git a/src/common/options.cc b/src/common/options.cc
index 46efcc6a2fba..70ace312853a 100644
--- a/src/common/options.cc
+++ b/src/common/options.cc
@@ -786,7 +786,7 @@ std::vector<Option> get_global_options() {
     .set_description("Zlib compression level to use"),
 
     Option("compressor_zstd_level", Option::TYPE_INT, Option::LEVEL_ADVANCED)
-    .set_default(5)
+    .set_default(1)
     .set_description("Zstd compression level to use"),
 
     Option("qat_compressor_enabled", Option::TYPE_BOOL, Option::LEVEL_ADVANCED)