Refactor the config for log dir of FE and BE
TLDR:
- Use env variable `LOG_DIR` to set root log dir
- Remove `sys_log_dir` for FE and BE
Details:
1. FE
1. The root log dir is set by env variable `LOG_DIR` in `fe.conf`
2. The default value of `audit_log_dir` is same as `${LOG_DIR}/`
3. The default value of `spark_launcher_log_dir` is `${LOG_DIR}/spark_launcher_log`
4. The default value of `nereids_trace_log_dir` is `${LOG_DIR}/nereids_trace_log`
5. The origin `sys_log_dir` is deprecated, and default value is `""`.
But for compatibility, if user already set `sys_log_dir` before, Doris will still use it as root log dir.
2. BE
1. The root log dir is set by env variable `LOG_DIR` in `be.conf`
2. Remove `pipeline_tracing_log_dir`, use `${LOG_DIR}` directly.
3. The origin `sys_log_dir` is deprecated, and default value is `""`.
But for compatibility, if user already set `sys_log_dir` before, Doris will still use it as root log dir.
During the renaming of `JdbcCatalog`, I noticed that the `jdbcClient` was being closed,
resulting in exceptions during subsequent queries. This happens because the `removeCatalog`
method is invoked when changing the name, which in turn calls the `onClose` method of the catalog.
Ideally, the client should not be closed when renaming the catalog.
However, to avoid extra checks in the `removeCatalog` method, we can simply execute `onRefresh`
in the `addCatalog` method to address this issue.
Following #25138, unified schema change interface for parquet and orc reader, and can be applied to other format readers as well.
Unified schema change interface for all format readers:
- First, read the data according to the column type of the file into source column;
- Second, convert source column to the destination column with type planned by FE.
The meta of the restore may come from different clusters, so the
original ID in the meta may conflict with the ID of the new cluster. For
example, if a newly allocated ID happens to be the same as an original ID,
the original one may be overwritten when executing `put`.
