X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/3f3686330be2141f0cacc511eabac15cc8449e7c..3ed6fab9c3ec7ca31133e4d4c750d546727b1847:/tools/salt-install/config_examples/multi_host/aws/pillars/arvados.sls

diff --git a/tools/salt-install/config_examples/multi_host/aws/pillars/arvados.sls b/tools/salt-install/config_examples/multi_host/aws/pillars/arvados.sls
index 064a70a8ed..dc98c43ace 100644
--- a/tools/salt-install/config_examples/multi_host/aws/pillars/arvados.sls
+++ b/tools/salt-install/config_examples/multi_host/aws/pillars/arvados.sls
@@ -153,6 +153,11 @@ arvados:
           Bucket: __KEEP_AWS_S3_BUCKET__
           IAMRole: __KEEP_AWS_IAM_ROLE__
           Region: __KEEP_AWS_REGION__
+          # IMPORTANT: The default value for PrefixLength is 0, and should not
+          # be changed once the volume is in use. For new installations it's
+          # recommended to set it to 3 for better performance.
+          # See: https://doc.arvados.org/install/configure-s3-object-storage.html
+          PrefixLength: 3
 
     Users:
       NewUsersAreActive: true