Improve performance of AggregatingMergeTree w/ SimpleAggregateFunction(String) in PK

Support configure System log table`s ttl in config.xml

Fix logging in MergeTree

add integration test: ClickHouse killed while insert for MaterializeMySQL ENGINE

Sentry: send info about official build, memory, cpu and free disk space.

Fix GRPC tests

Do not allow to throw MEMORY_LIMIT_EXCEEDED if there is uncaught exception

Use feature testing macro to test if char8_t is supported

Co-authored-by: NAlexander Kuzmenkov <36882414+akuzm@users.noreply.github.com>

Fix the OpenTelemetry test

* Section added

* Syntax corrected
Co-authored-by: NOlga Revyakina <revolg@yandex-team.ru>

Add constants to ClientInfo::Interface for MySQL and PostgreSQL protocols

Support HTTP proxy and HTTPS S3 endpoint configuration

A very fast O(logn) repeat impl

getMemoryAmount: make code worse

`system stop merges` w/o table name has global effect, so the rest of the tests is affected. Also `optimize` is more suitable here so that the end result is the same every time.

Fix kill mutation on concurrent alter queries

Fix multiline queries with comments in interactive mode

Allow query parameters in UPDATE statement.

Update OpenLDAP for BoringSSL

Update MariaDB for BoringSSL

Update Cassandra for BoringSSL

Update Kafka for BoringSSL

Update AMQP for BoringSSL

Update Poco: Fix thread counter leak