Mike Yang

Results 3 issues of Mike Yang

This PR change the named blob mysql CRUD logic with newly added fields (version, blob_state). This together with the DB migration will make mysql layer ready for Named Blob Update...

Fix issues related to Simple Operation Tracker response logic: 1. Return 503 Error instead of NOT_FOUND when there is a success in replica 2. Set allReplicas to include all replicas...

Named blob update api implementation: 1. Create a new blob with temp TTL 2. Insert a row into MySQL named_blobs_v2 db with state='IN_PROGRESS' 3. Update Blob TTL to infinity 4....