Merge pull request #16663 from ClickHouse/filimonov-copier-note-immutable-src

Update clickhouse-copier.md
This commit is contained in:
alexey-milovidov 2020-11-04 14:25:35 +03:00 committed by GitHub
commit 55fd29fdf9
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

View File

@ -7,6 +7,9 @@ toc_title: clickhouse-copier
Copies data from the tables in one cluster to tables in another (or the same) cluster.
!!! warning "Warning"
To get a consistent copy, the data in the source tables and partitions should not change during the entire process.
You can run multiple `clickhouse-copier` instances on different servers to perform the same job. ZooKeeper is used for syncing the processes.
After starting, `clickhouse-copier`: