osd: throttle snap trimmming with simple delay

This is not particularly smart, but it is *a* knob that lets you make
the snap trimmer slow down.  It's a flow and a simple delay, so it is
adjustable at runtime.  Default is 0 (no change in behavior).

Partial solution for #6278.

Signed-off-by: Sage Weil <sage@inktank.com>
Fixes a very minor typo in the release notes

pyramind -> pyramid
mds: bump protocol

In commit f689e5f049736bb0a0fa437e05936f6c1b9c1bb6 we change the encoding
and semantics for MDiscoverReply.

Signed-off-by: Sage Weil <sage@inktank.com>
mds: note MDiscoverReply encoding change in corpus

Signed-off-by: Sage Weil <sage@inktank.com>
Merge pull request #1749 from hufman/fix-typo-releasenotes-pyramind

Fixes a very minor typo in the release notes

Reviewed-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
doc: Include links from hardware-recommendations to glossary
Included :term: in parts of hardware-recommendations so that glossary
links appear.
Signed-off-by: Kevin Dalley <kevin@kelphead.org>
osd/SnapMapper: debug

Signed-off-by: Sage Weil <sage@inktank.com>
osd/SnapMapper: pass snaps set by const ref

Signed-off-by: Sage Weil <sage@inktank.com>
osd/ReplicatedPG: agent_work() fix next if finished early due to start_max

Backport: firefly

Signed-off-by: David Zafman <david.zafman@inktank.com>
Merge pull request #1754 from nereocystis/hardware-to-glossary

doc: Include links from hardware-recommendations to glossary
mailmap: Guang Yang name normalization

Signed-off-by: Loic Dachary <loic@dachary.org>
mailmap: Warren Usui name normalization

Signed-off-by: Loic Dachary <loic@dachary.org>
mailmap: Florent Bautista affiliation

and name normalization

Signed-off-by: Loic Dachary <loic@dachary.org>
mon/MonClient: remove stray _finish_hunting() calls

Callig _finish_hunting() clears out the bool hunting flag, which means we
don't retry by connection to another mon periodically.  Instead, we send
keepalives every 10s.  But, since we aren't yet in state HAVE_SESSION, we
don't check that the keepalives are getting responses.  This means that an
ill-timed connection reset (say, after we get a MonMap, but before we
finish authenticating) can drop the monc into a black hole that does not
retry.

Instead, we should *only* call _finish_hunting() when we complete the
authentication handshake.

Fixes: #8278
Backport: firefly, dumpling
Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Joao Eduardo Luis <joao.luis@inktank.com>
mon/OSDMonitor: share latest map with osd on dup boot message

If we get a dup boot message, share the newer maps with the osd so that
they know they are living in the past.

Fixes: #8279
Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Joao Eduardo Luis <joao.luis@inktank.com>
mon/PGMonitor: set tid on no-op PGStatsAck

The OSD needs to know the tid.  Both generally, and specifically because
the flush_pg_stats may be blocking on it.

Fixes: #8280
Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Joao Eduardo Luis <joao.luis@inktank.com>
osd, common: If agent_work() finds no objs to work on delay 5 (default) secs

Add config osd_agent_delay_time of 5 seconds
Honor delay by ignoring agent_choose_mode() calls
Add tier_delay to logger
Treat restart after delay like we were previously idle

Fixes: #8113
Backport: firefly

Signed-off-by: David Zafman <david.zafman@inktank.com>
osd: Prevent divide by zero in agent_choose_mode()

Fixes: #8175
Backport: firefly

Signed-off-by: David Zafman <david.zafman@inktank.com>
Signed-off-by: Sage Weil <sage@inktank.com>
Revert "ReplicatedPG: block scrub on blocked object contexts"

This reverts commit e66f2e36c06ca00c1147f922d3513f56b122a5c0.
Reviewed-by: Sage Weil <sage@inktank.com>
Merge pull request #1759 from dachary/wip-mailmap

DNM: mailmap updates

Reviewed-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>