MikhailBurdukov

Backoff policy for failed mutation.

2

### Changelog category (leave one): - Improvement ### Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md): Enabled a backoff logic (e.g. exponential). Will provide an...

Enable truncate operation for object storage disks.

1

### Changelog category (leave one): - Improvement ### Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md): Enable truncate operation for object storage disks. ### Documentation...

Enable keep_free_space_bytes for the metadata storage.

3

### Changelog category (leave one): - Improvement ### Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md): Added knob `metadata_storage_type` to keep free space on metadata...

Allow filtering ip addresses by ip family in DNS resolver

1

### Changelog category (leave one): - Improvement ### Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md): Two options (`dns_allow_resolve_names_to_ipv4` and `dns_allow_resolve_names_to_ipv6`) have been added, to...

**Describe what's wrong** CH can't load the table after restart if it depends on the xml dictionary. **Does it reproduce on the most recent release?** Yes **How to reproduce** dict.xml:...

zero-copy migration script

2

Im pretty sure that the logic will be never merged but it looks like useful script to migrate cluster from one zk path to another one. another great feature that...

Check table commands

1

## Summary by Sourcery Add CLI commands to run ClickHouse CHECK TABLE operations on tables, partitions, and parts, and surface their results in structured chadmin output. New Features: - Introduce...

[Do not merge] Prototype for detection of zero copy locks

1

The prototype script that should detect dead zero copy locks. Probably will be never merged but lets keep it anyway, may be one day will be useful ## Summary by...

Enable splitting data and system files in cache into separate segments.

6

Enable the new IFileCachePriority strategy for splitting files into two segments: * System files which are needed for [starting the server](https://github.com/ClickHouse/ClickHouse/blob/288ad3ee4d0c815b772918ee2c07b0fe63c8fbd2/src/Storages/MergeTree/IMergeTreeDataPart.cpp#L798)(`.json`, `.txt`, `.cidx` and etc). * Data files (`.bin`, `.mrk`...