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These settings are available in system.merge_tree_settings and are autogenerated from ClickHouse source.

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remote_fs_execute_merges_on_single_replica_time_threshold

When this setting has a value greater than zero only a single replica starts the merge immediately if merged part on shared storage.
Zero-copy replication is not ready for production Zero-copy replication is disabled by default in ClickHouse version 22.8 and higher.This feature is not recommended for production use.
Possible values:
  • Any positive integer.

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remote_fs_zero_copy_path_compatible_mode

Run zero-copy in compatible mode during conversion process.

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remote_fs_zero_copy_zookeeper_path

ZooKeeper path for zero-copy table-independent info.
Last modified on July 24, 2026