Merge branch '6725-optimize-restic-backup-params' into 'master'

undo RESTIC_READ_CONCURRENCY

See merge request !119

jobs/env_defaults

@@ -23,10 +23,10 @@ LD_MYSQL_DUMP_PARAMS="--opt \
 # ----------------------------------------------------------------------
 
 # compression mode (only available for repository format version 2), one of (auto|off|max) (default: $RESTIC_COMPRESSION) (default auto)
-export RESTIC_COMPRESSION=auto
+# export RESTIC_COMPRESSION=auto
 
 # Concurrency for file reads (default: 2)
-RESTIC_READ_CONCURRENCY=8
+# RESTIC_READ_CONCURRENCY=8
 
 # Target size for pack files
 export RESTIC_PACK_SIZE=128