MB-38021 - XDCR Collections Resuming from checkpoint - Restore pipeline parts' (Router, DCP Nozzle) states from checkpoint: - Documented Checkpoint concepts in Collections Router source code - Enhanced Pause/Resume test case and made test library more robust and tolerant of ephemeral failures or system slowness - Added new router retry pause/resume test case - Moved manifeset getter to part of DCP nozzle construction to prevent race - Ensured checkpoint resuming will not set nil maps, and also prevent re-raising ignoring function - pause resume without I/O shoudl restore the manifest version and broken maps (124353)

MB-38021 - XDCR Collections Resuming from checkpoint - Restore pipeline parts' (Router, DCP Nozzle) states from checkpoint: - Documented Checkpoint concepts in Collections Router source code - Enhanced Pause/Resume test case and made test library more robust and tolerant of ephemeral failures or system slowness - Added new router retry pause/resume test case - Moved manifeset getter to part of DCP nozzle construction to prevent race - Ensured checkpoint resuming will not set nil maps, and also prevent re-raising ignoring function - pause resume without I/O shoudl restore the manifest version and broken maps (124353) · Gerrit Code Review