feedback: Submodule box.info

[TarantoolBot]

<…>the
downstream instance disconnects from the upstream instance. |Otherwise the
status is not reported|.

box.info()
Since box.info contents are dynamic, it’s not<…>

https://www.tarantool.io/en/doc/2.2/book/box/box_info/

This sentence is whong and should be re-checked

[Totktonada]

See tarantool/tarantool#3904

[v-izmalkov]

Added follow status as per tarantool/tarantool#3904.
But as i was testing the behaviour in different versions i found, that in versions 2.1 and 2.2 the downstream shown as follows:

downstream:
      status: follow
      idle: 0.79490400000941
      vclock: {3: 1, 1: 6}

which means there is additional idle in downstream. Note this is not the case for 1.10 versions i have tried.
Is there a correct description for this parameter available anywhere? @Totktonada

[Totktonada]

See tarantool/tarantool@a4a7744

It is a current time minus a time when a last row was sent by a relay.

[v-izmalkov]

See tarantool/tarantool@a4a7744

It is a current time minus a time when a last row was sent by a relay.

Is it time of "sent" by other server (so additional time sync issues possible) or local time the moment it has been received?

[Totktonada]

As I see it is pure local value: when a relay sends a row it updates last_row_time value with a current time. When box.info() is called, idle is set to current_time - last_row_time.