v1.4.6-snap1

We're releasing v1.4.6-snap1 because we're not quite ready to land v1.4.6, and there are some fixes that many community members are anxiously awaiting.

Changes since 1.4.5

Fixed issues

• MARATHON-7681 - Fixes an issue in WorkQueue that could cause Marathon to drop exceptions and become unresponsive.
• MARATHON-7653 - Fixes an issue in which Marathon could become unresponsive when pod status wasn't available
• MARATHON-7629 - Fixes issue in which Marathon could get into an infinite kill loop, in certain situations
• MARATHON-7469 - Fixes a bug in which a new leading Marathon would kill tasks launched by an ongoing deployment during the former leader.
• MARATHON-7472, MARATHON-7358 - Further improve deployment performance by removing unnecessary thread blocking.
• MARATHON-7617 - Capture storage cache layer metrics, by category
• MARATHON-7536 - Disable HTTP TRACE method in API
• MARATHON-7566 - Fix a regression in which content-type was required for the ping endpoint
• MARATHON-7334 - Fix a regression in which fetch[].destPath was ignored
• Replace lock with non-blocking concurrent data structure in WorkQueue, evidently the source of some contention looking at thread dump from MARATHON-7400
• MARATHON-7433 - Fix a group deployment issue which would cause non-root groups without a nested group to be ignored.
• MARATHON-7462 - Fix a race condition in WorkQueue which caused various issues, such as dropped events and could cause components of Marathon to become unresponsive.