Additional elements added:
* monkit metric for observers methods like Start/Fork/Join/Finish to
be able to check how much time those methods are taking
* few more logs e.g. entries with processed range
* segmentsProcessed metric to be able to check loop progress
Change-Id: I65dd51f7f5c4bdbb4014fbf04e5b6b10bdb035ec
implemented observer and partial, created new structures to keep mon
metrics remain in same way as in segment loop
Change-Id: I209c126096c84b94d4717332e56238266f6cd004
Add option AsOfSystemTime to segment provider to make it equivalent to
the old segment loop.
There's no comment on what it does because it's pretty complex and
makes no sense, but we can improve it later.
closes https://github.com/storj/storj/issues/5434
Change-Id: I8f09b03803e681e2fd41008c5dba67804b0f37a1
Add an abstraction rangedloop.SegmentProvider to fetch chunks of
segments from the metainfo database in parallel.
Part of https://github.com/storj/storj/issues/5223
Change-Id: Ife26467ea0c3be550bde0b05464ef1db62dd4d2a
