handle missing subscriber in subscription engine booting & pause

[DavidBadura]

• skip booting subscription with missing subscriber
• allow pause subscription with missing subscriber

[github-actions]

Hello 👋

here is the most recent benchmark result:

SubscriptionEngineBench
=======================

+---------------------------+-----------------+-----------------+-----------+-----------------+------------+-------------+
|                           | time (kde mode)                               | memory                                     |
+---------------------------+-----------------+-----------------+-----------+-----------------+------------+-------------+
| subject                   | Tag: <current>  | Tag: base       | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+---------------------------+-----------------+-----------------+-----------+-----------------+------------+-------------+
| benchHandle10000Events () | 3.233s (±0.00%) | 3.253s (±0.00%) | -0.60%    | 46.816mb        | 47.348mb   | -1.12%      |
+---------------------------+-----------------+-----------------+-----------+-----------------+------------+-------------+

SimpleSetupBench
================

+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
|                                        | time (kde mode)                                     | memory                                     |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| subject                                | Tag: <current>     | Tag: base          | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| benchLoad1Event ()                     | 1.002ms (±0.00%)   | 979.900μs (±0.00%) | +2.27%    | 34.199mb        | 34.199mb   | 0.00%       |
| benchLoad10000Events ()                | 51.834ms (±0.00%)  | 52.641ms (±0.00%)  | -1.53%    | 34.199mb        | 34.199mb   | 0.00%       |
| benchSave1Event ()                     | 896.500μs (±0.00%) | 893.200μs (±0.00%) | +0.37%    | 34.199mb        | 34.199mb   | 0.00%       |
| benchSave10000Events ()                | 227.597ms (±0.00%) | 233.153ms (±0.00%) | -2.38%    | 34.199mb        | 34.199mb   | 0.00%       |
| benchSave10000Aggregates ()            | 7.911s (±0.00%)    | 7.892s (±0.00%)    | +0.23%    | 34.199mb        | 34.199mb   | 0.00%       |
| benchSave10000AggregatesTransaction () | 4.970s (±0.00%)    | 4.985s (±0.00%)    | -0.30%    | 34.199mb        | 34.199mb   | 0.00%       |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+

SplitStreamBench
================

+-------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
|                         | time (kde mode)                                     | memory                                     |
+-------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| subject                 | Tag: <current>     | Tag: base          | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+-------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| benchLoad10000Events () | 4.604ms (±0.00%)   | 4.745ms (±0.00%)   | -2.97%    | 37.575mb        | 37.575mb   | 0.00%       |
| benchSave10000Events () | 352.635ms (±0.00%) | 360.633ms (±0.00%) | -2.22%    | 37.577mb        | 37.577mb   | 0.00%       |
+-------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+

SnapshotsBench
==============

+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
|                                        | time (kde mode)                                     | memory                                     |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| subject                                | Tag: <current>     | Tag: base          | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| benchLoad10000EventsMissingSnapshot () | 51.906ms (±0.00%)  | 51.963ms (±0.00%)  | -0.11%    | 34.273mb        | 34.273mb   | 0.00%       |
| benchLoad10000Events ()                | 860.500μs (±0.00%) | 875.400μs (±0.00%) | -1.70%    | 34.273mb        | 34.273mb   | 0.00%       |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+

SimpleSetupStreamStoreBench
===========================

+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
|                                        | time (kde mode)                                     | memory                                     |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| subject                                | Tag: <current>     | Tag: base          | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| benchLoad1Event ()                     | 986.400μs (±0.00%) | 982.900μs (±0.00%) | +0.36%    | 34.382mb        | 34.382mb   | 0.00%       |
| benchLoad10000Events ()                | 56.342ms (±0.00%)  | 57.552ms (±0.00%)  | -2.10%    | 34.382mb        | 34.382mb   | 0.00%       |
| benchSave1Event ()                     | 1.015ms (±0.00%)   | 996.800μs (±0.00%) | +1.80%    | 34.382mb        | 34.382mb   | 0.00%       |
| benchSave10000Events ()                | 300.973ms (±0.00%) | 303.745ms (±0.00%) | -0.91%    | 34.382mb        | 34.382mb   | 0.00%       |
| benchSave10000Aggregates ()            | 8.232s (±0.00%)    | 8.235s (±0.00%)    | -0.04%    | 34.382mb        | 34.382mb   | 0.00%       |
| benchSave10000AggregatesTransaction () | 5.158s (±0.00%)    | 5.175s (±0.00%)    | -0.32%    | 34.382mb        | 34.382mb   | 0.00%       |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+

PersonalDataBench
=================

+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
|                                        | time (kde mode)                                     | memory                                     |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| subject                                | Tag: <current>     | Tag: base          | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| benchLoad1Event ()                     | 900.800μs (±0.00%) | 932.500μs (±0.00%) | -3.40%    | 35.328mb        | 35.328mb   | 0.00%       |
| benchLoad10000Events ()                | 90.750ms (±0.00%)  | 90.625ms (±0.00%)  | +0.14%    | 35.329mb        | 35.329mb   | 0.00%       |
| benchSave1Event ()                     | 1.532ms (±0.00%)   | 1.605ms (±0.00%)   | -4.57%    | 35.328mb        | 35.328mb   | 0.00%       |
| benchSave10000Events ()                | 258.904ms (±0.00%) | 262.066ms (±0.00%) | -1.21%    | 35.331mb        | 35.331mb   | 0.00%       |
| benchSave10000Aggregates ()            | 12.207s (±0.00%)   | 12.375s (±0.00%)   | -1.36%    | 35.329mb        | 35.329mb   | 0.00%       |
| benchSave10000AggregatesTransaction () | 9.206s (±0.00%)    | 9.226s (±0.00%)    | -0.21%    | 35.830mb        | 35.830mb   | 0.00%       |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+

SubscriptionEngineBatchBench
============================

+---------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+
|                           | time (kde mode)                                   | memory                                     |
+---------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+
| subject                   | Tag: <current>    | Tag: base         | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+---------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+
| benchHandle10000Events () | 76.300ms (±0.00%) | 75.363ms (±0.00%) | +1.24%    | 34.667mb        | 34.667mb   | 0.00%       |
+---------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+

This comment gets update everytime a new commit comes in!