dont lock for discoverNewSubscriptions & get subscriptions

[DavidBadura]

To add new subscriptions (discovering), it is not necessary to lock other subscriptions, as these will not be changed. If discovering new subscriptions is no longer locking, reading the status of the subscriptions is no longer locking either.

[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 () | 3.049s (±0.00%) | 3.079s (±0.00%) | -1.00%    | 34.736mb        | 34.744mb   | -0.02%      |
+---------------------------+-----------------+-----------------+-----------+-----------------+------------+-------------+

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

+---------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+
|                           | time (kde mode)                                   | memory                                     |
+---------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+
| subject                   | Tag: <current>    | Tag: base         | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+---------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+
| benchHandle10000Events () | 72.116ms (±0.00%) | 76.747ms (±0.00%) | -6.03%    | 34.234mb        | 34.234mb   | 0.00%       |
+---------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+

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

+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
|                                        | time (kde mode)                                     | memory                                     |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| subject                                | Tag: <current>     | Tag: base          | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| benchLoad1Event ()                     | 898.600μs (±0.00%) | 888.300μs (±0.00%) | +1.16%    | 34.744mb        | 34.744mb   | 0.00%       |
| benchLoad10000Events ()                | 49.885ms (±0.00%)  | 48.294ms (±0.00%)  | +3.29%    | 34.744mb        | 34.744mb   | 0.00%       |
| benchSave1Event ()                     | 995.000μs (±0.00%) | 1.152ms (±0.00%)   | -13.63%   | 34.744mb        | 34.744mb   | 0.00%       |
| benchSave10000Events ()                | 221.962ms (±0.00%) | 222.563ms (±0.00%) | -0.27%    | 34.744mb        | 34.744mb   | 0.00%       |
| benchSave10000Aggregates ()            | 8.222s (±0.00%)    | 8.543s (±0.00%)    | -3.75%    | 34.744mb        | 34.744mb   | 0.00%       |
| benchSave10000AggregatesTransaction () | 4.710s (±0.00%)    | 4.730s (±0.00%)    | -0.41%    | 34.745mb        | 34.745mb   | 0.00%       |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+

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

+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
|                                        | time (kde mode)                                     | memory                                     |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| subject                                | Tag: <current>     | Tag: base          | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| benchLoad10000EventsMissingSnapshot () | 50.074ms (±0.00%)  | 48.240ms (±0.00%)  | +3.80%    | 33.836mb        | 33.836mb   | 0.00%       |
| benchLoad10000Events ()                | 908.300μs (±0.00%) | 935.600μs (±0.00%) | -2.92%    | 33.836mb        | 33.836mb   | 0.00%       |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+

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

+-------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
|                         | time (kde mode)                                     | memory                                     |
+-------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| subject                 | Tag: <current>     | Tag: base          | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+-------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| benchLoad10000Events () | 4.486ms (±0.00%)   | 4.434ms (±0.00%)   | +1.18%    | 37.072mb        | 37.072mb   | 0.00%       |
| benchSave10000Events () | 349.888ms (±0.00%) | 360.077ms (±0.00%) | -2.83%    | 37.144mb        | 37.144mb   | 0.00%       |
+-------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+

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

+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
|                                        | time (kde mode)                                     | memory                                     |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| subject                                | Tag: <current>     | Tag: base          | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| benchLoad1Event ()                     | 885.000μs (±0.00%) | 902.400μs (±0.00%) | -1.93%    | 34.895mb        | 34.895mb   | 0.00%       |
| benchLoad10000Events ()                | 85.736ms (±0.00%)  | 82.613ms (±0.00%)  | +3.78%    | 34.895mb        | 34.895mb   | 0.00%       |
| benchSave1Event ()                     | 1.433ms (±0.00%)   | 1.447ms (±0.00%)   | -0.95%    | 34.895mb        | 34.895mb   | 0.00%       |
| benchSave10000Events ()                | 255.815ms (±0.00%) | 257.325ms (±0.00%) | -0.59%    | 34.897mb        | 34.897mb   | 0.00%       |
| benchSave10000Aggregates ()            | 12.503s (±0.00%)   | 12.386s (±0.00%)   | +0.95%    | 34.895mb        | 34.895mb   | 0.00%       |
| benchSave10000AggregatesTransaction () | 8.779s (±0.00%)    | 8.778s (±0.00%)    | +0.01%    | 35.396mb        | 35.396mb   | 0.00%       |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+

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

+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
|                                        | time (kde mode)                                     | memory                                     |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| subject                                | Tag: <current>     | Tag: base          | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| benchLoad1Event ()                     | 940.100μs (±0.00%) | 941.200μs (±0.00%) | -0.12%    | 33.765mb        | 33.765mb   | 0.00%       |
| benchLoad10000Events ()                | 48.848ms (±0.00%)  | 51.120ms (±0.00%)  | -4.45%    | 33.765mb        | 33.765mb   | 0.00%       |
| benchSave1Event ()                     | 1.036ms (±0.00%)   | 1.057ms (±0.00%)   | -2.04%    | 33.765mb        | 33.765mb   | 0.00%       |
| benchSave10000Events ()                | 222.994ms (±0.00%) | 222.762ms (±0.00%) | +0.10%    | 33.765mb        | 33.765mb   | 0.00%       |
| benchSave10000Aggregates ()            | 8.316s (±0.00%)    | 8.012s (±0.00%)    | +3.80%    | 33.765mb        | 33.765mb   | 0.00%       |
| benchSave10000AggregatesTransaction () | 4.719s (±0.00%)    | 4.717s (±0.00%)    | +0.04%    | 33.765mb        | 33.765mb   | 0.00%       |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+

This comment gets update everytime a new commit comes in!