Keep zstd snapshots single-threaded

1 file changed, 3 insertions, 1 deletion

diff --git a/source/ui-snapshot.c b/source/ui-snapshot.c
index 7470943..5dc4fec 100644
--- a/source/ui-snapshot.c
+++ b/source/ui-snapshot.c
@@ -95,7 +95,9 @@ static int write_tar_xz_archive(const char *hex, const char *prefix)
 
 static int write_tar_zstd_archive(const char *hex, const char *prefix)
 {
-	char *argv[] = { "zstd", "-T0", NULL };
+	// Stay single-threaded like the other compressors so one request
+	// cannot pin every core. -T0 would fan out across all of them.
+	char *argv[] = { "zstd", NULL };
 	return write_compressed_tar_archive(hex, prefix, argv);
 }