|
|
@@ -14,13 +14,11 @@
|
|
|
|
|
|
# S3Guard: Consistency and Metadata Caching for S3A
|
|
|
|
|
|
-**Experimental Feature**
|
|
|
-
|
|
|
<!-- MACRO{toc|fromDepth=0|toDepth=5} -->
|
|
|
|
|
|
## Overview
|
|
|
|
|
|
-*S3Guard* is an experimental feature for the S3A client of the S3 object store,
|
|
|
+*S3Guard* is a feature for the S3A client of the S3 object store,
|
|
|
which can use a (consistent) database as the store of metadata about objects
|
|
|
in an S3 bucket.
|
|
|
|
|
|
@@ -48,8 +46,6 @@ For links to early design documents and related patches, see
|
|
|
|
|
|
*Important*
|
|
|
|
|
|
-* S3Guard is experimental and should be considered unstable.
|
|
|
-
|
|
|
* While all underlying data is persisted in S3, if, for some reason,
|
|
|
the S3Guard-cached metadata becomes inconsistent with that in S3,
|
|
|
queries on the data may become incorrect.
|
|
|
@@ -182,8 +178,7 @@ recommended that you leave the default setting here:
|
|
|
<value>false</value>
|
|
|
</property>
|
|
|
```
|
|
|
-
|
|
|
-Setting this to `true` is currently an experimental feature.
|
|
|
+.
|
|
|
Note that a MetadataStore MAY persist this bit in the directory listings. (Not
|
|
|
MUST).
|
|
|
|
Gabor Bota