Improve EC shards rebalancing logic across racks.
- Favor target shards with less preexisting shards, to ensure a fair distribution.
- Randomize selection when multiple possible target shards are available.
- Add logic to account for replication settings when selecting target shards (currently disabled).
* Rename `command_ec_encode_test.go` to `command_ec_common_test.go`.
All tests defined in this file are now for `command_ec_common.go`.
* Minor code cleanups.
- Fix broken `ec.balance` test.
- Rework integer ceiling division to not use floats, which can introduce precision errors.
* Introduce logic to resolve volume replica placement within EC rebalancing.
This will be used to make rebalancing logic topology-aware.
* Give shell.EcNode.dc a dedicated DataCenterId type.
* Refactor `ec.balance` logic into a `weeed/shell/command_ec_common.go` standalone function.
This is a prerequisite to unify the balance logic for `ec.balance` and `ec.encode'.
* s/Balance()/EcBalance()/g
* listing files to convert to parquet
* write parquet files
* save logs into parquet files
* pass by value
* compact logs into parquet format
* can skip existing files
* refactor
* refactor
* fix compilation
* when no partition found
* refactor
* add untested parquet file read
* rename package
* refactor
* rename files
* remove unused
* add merged log read func
* parquet wants to know the file size
* rewind by time
* pass in stop ts
* add stop ts
* adjust log
* minor
* adjust log
* skip .parquet files when reading message logs
* skip non message files
* Update subscriber_record.go
* send messages
* skip message data with only ts
* skip non log files
* update parquet-go package
* ensure a valid record type
* add new field to a record type
* Update read_parquet_to_log.go
* fix parquet file name generation
* separating reading parquet and logs
* add key field
* add skipped logs
* use in memory cache
* refactor
* refactor
* refactor
* refactor, and change compact log
* refactor
* rename
* refactor
* fix format
* prefix v to version directory
* Added global http client
* Added Do func for global http client
* Changed the code to use the global http client
* Fix http client in volume uploader
* Fixed pkg name
* Fixed http util funcs
* Fixed http client for bench_filer_upload
* Fixed http client for stress_filer_upload
* Fixed http client for filer_server_handlers_proxy
* Fixed http client for command_fs_merge_volumes
* Fixed http client for command_fs_merge_volumes and command_volume_fsck
* Fixed http client for s3api_server
* Added init global client for main funcs
* Rename global_client to client
* Changed:
- fixed NewHttpClient;
- added CheckIsHttpsClientEnabled func
- updated security.toml in scaffold
* Reduce the visibility of some functions in the util/http/client pkg
* Added the loadSecurityConfig function
* Use util.LoadSecurityConfiguration() in NewHttpClient func
