event-mgr

store every event, BUT follower events are excluded from span-db.

tm: such as "2h20m", "30m", "2s".

prefix: span id, e.g.

[period] is like []"10h", "500m", "10s"] etc.

past: such as "2h20m", "30m", "2s".

init global 'eDB'.

if [id] is empty, a new one will be assigned to event.

db key order.

db key order.

db value order.

db value order.

db value order.

db value order.

db value order.

db value order.

db value order.

db value order.

global, for keeping single instance.

key: User (uname) value: EventIDs ([uuid]).

key: ID; value: others if changed, modify 1) NewXXX, 2) KO/VO 3) (Key/Value)FieldAddr, 4) Marshal, 5) Unmarshal.

key: span; value: TempEvts.

key: Owner@YYYYMM-27582250-1 value: EventIDs ([uuid]).