* Disallow too large listing limit, which would cause a lot of memory to
be consumed.
* Fix throttling logic and add a test.
* Fix read error handling; depending on the concurrency it can return
the NotFound status either in the Read or Close.
Change-Id: I778f04a5961988b2480df5c7faaa22393fc5d760
We need a method for getting a list of segments from the metabase,
without converting the aliases and omitting all inline segments.
Change-Id: I26d919c675fc285ab03a35b327edd9b5c8bbe4b0