[OAK-3829] Expose BlobStore cache statistics

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 1.3.13, 1.4
• Component/s: blob, core
• Epic Link: Improved Runtime Statistics Collection
• Assignee: Chetan Mehrotra
• Reporter: Chetan Mehrotra
• Created: 04/Jan/16 06:12
• Updated: 02/Mar/16 15:11
• Resolved: 04/Jan/16 06:38

Description

Both DataStoreBlobStore and CachingBlobStore keep an in memory cache for blobs. Currently any statistics from this cache are not exposed.

To get better insight about how effective the cache is we should expose the stats