X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/19f96717d0a7f26c28f8e5c61417c4246cfcffe1..8b2d5c0c9168b401691d2a746929299007cc2147:/doc/install/configure-s3-object-storage.html.textile.liquid?ds=sidebyside
diff --git a/doc/install/configure-s3-object-storage.html.textile.liquid b/doc/install/configure-s3-object-storage.html.textile.liquid
index 6a3c396d60..e9866d5103 100644
--- a/doc/install/configure-s3-object-storage.html.textile.liquid
+++ b/doc/install/configure-s3-object-storage.html.textile.liquid
@@ -48,7 +48,7 @@ Volumes are configured in the @Volumes@ section of the cluster configuration fil
# Storage provider region. For Google Cloud Storage, use ""
# or omit.
- Region: us-east-1a
+ Region: us-east-1
# Storage provider endpoint. For Amazon S3, use "" or
# omit. For Google Cloud Storage, use
@@ -67,6 +67,23 @@ Volumes are configured in the @Volumes@ section of the cluster configuration fil
# Use the AWS S3 v2 Go driver instead of the goamz driver.
UseAWSS3v2Driver: false
+ # By default keepstore stores data using the MD5 checksum
+ # (32 hexadecimal characters) as the object name, e.g.,
+ # "0123456abc...". Setting PrefixLength to 3 changes this
+ # naming scheme to "012/0123456abc...". This can improve
+ # performance, depending on the S3 service being used. For
+ # example, PrefixLength 3 is recommended to avoid AWS
+ # limitations on the number of read/write operations per
+ # second per prefix (see
+ # https://aws.amazon.com/premiumsupport/knowledge-center/s3-request-limit-avoid-throttling/).
+ #
+ # Note that changing PrefixLength on an existing volume is
+ # not currently supported. Once you have started using a
+ # bucket as an Arvados volume, you should not change its
+ # configured PrefixLength, or configure another volume using
+ # the same bucket and a different PrefixLength.
+ PrefixLength: 0
+
# Requested page size for "list bucket contents" requests.
IndexPageSize: 1000