Altinity Stable for ClickHouse 21.1.9.41

Changes between 21.1.9.41 and 21.1.7.1

• Fixed a bug with distributed queries that could sometimes fail with ‘Unknown packet n from server’ error message: https://github.com/ClickHouse/ClickHouse/issues/21588
• Fixed several issues with mutations handling (e.g. https://github.com/ClickHouse/ClickHouse/issues/22013)
• Fix a rare bug when quorum insert with iinsert_quorum_parallel=1 is not really a “quorum” because of deduplication
• Fixed a possible buffer overflow in token bloom filter index: https://github.com/ClickHouse/ClickHouse/issues/19233
• Fixed a bug when nullable types sometimes could not be retrieved: https://github.com/ClickHouse/ClickHouse/issues/21116
• Fixed a bug with replicated tables metadata not properly cleaned from the non-primary ZooKeeper instance: https://github.com/ClickHouse/ClickHouse/issues/21054