* feat: remote write metric task
* chore: pass stanalone task to frontend
* chore: change name to system metric
* fix: add header and rename to export metrics
* refactor: open regions in background
* feat: add status code of RegionNotReady
* feat: use RegionNotReady instead of RegionNotFound for a registering region
* chore: apply suggestions from CR
* feat: add status code of RegionBusy
* feat: return RegionBusy for mutually exclusive operations
* refactor: refactor wal config
* test: update tests related to wal
* feat: introduce kafka wal config
* chore: augment proto with wal options
* feat: augment region open request with wal options
* feat: augment mito region with wal options
* feat: augment region create request with wal options
* refactor: refactor log store trait
* feat: add skeleton for kafka log store
* feat: generalize building log store when starting datanode
* feat: integrate wal options to region write
* chore: minor update
* refactor: remove wal options from region create/open requests
* fix: compliation issues
* chore: insert wal options into region options upon initializing region server
* chore: integrate wal options into region options
* chore: fill in kafka wal config
* chore: reuse namespaces while writing to wal
* chore: minor update
* chore: fetch wal options from region while handling truncate/flush
* fix: region options test
* fix: resolve some review conversations
* refactor: serde with wal options
* fix: resolve some review conversations
* feat: add page cache
* docs: update mito config toml
* feat: impl CachedPageReader
* feat: use cache reader to read row group
* feat: do not fetch data if we have pages in cache
* chore: return if nothing to fetch
* feat: enlarge page cache size
* test: test write read parquet
* test: test cache
* docs: update comments
* test: fix config api test
* feat: cache metrics
* feat: change default page cache size
* test: fix config api test
* feat: remove greptimedb-telemetry feature
* feat: adds enable_telemetry option to metasrv and datanode
* refactor: move data_home from file config to storage config
* feat: store the installation uuid into datanode and metasrv working home
* fix: cargo toml fmt
* test: ignore region failver test when using local fle storage
* test: ignore telemetry reporter in test mode
* feat: print warning log when enabling telemetry
* chore: the telemetry doc link
* chore: remove enable_telemetry from datanode example config file
* refactor: rename GREPTIMEDB_TELEMETRY_CLIENT_REQUEST_TIMEOUT
* chore: rename print_warn_log to print_anonymous_usage_data_disclaimer
refactor: move heartbeat configuration into an independent section in config file
* refactor: move heartbeat configuration into an independent section in config file
* feat: add HeartbeatOptions struct
* test: modify corresponding test case
* chore: modify corresponding example file
* feat(storage): Add AllocTracker
* feat(storage): flush request wip
* feat(storage): support global write buffer size
* fix(storage): Test and fix size based strategy
* test(storage): Test AllocTracker
* test(storage): Test pick_by_write_buffer_full
* docs: Add flush config example
* test(storage): Test schedule_engine_flush
* feat(storage): Add metrics for write buffer size
* chore(flush): Add log when triggering flush by global buffer
* chore(storage): track allocation in update_stats
* feat: Add FlushPicker
* feat(storage): Add close to StorageEngine
* style(storage): fix clippy
* feat(storage): Close regions in StorageEngine::close
* chore(storage): Clear requests on scheduler stop
* test(storage): Test flush picker
* feat(storage): Add metrics for auto flush
* feat(storage): Add flush reason and record it in metrics
* feat: Expose flush config
docs(config): Update config example
* refactor(storage): Run auto flush task in FlushScheduler
* refactor(storage): Add FlushItem trait to make FlushPicker easy to test
* feat: implement load_options.
* refactor: build by ConfigOptions.
* refactor: init_global_logging by LoggingOptions.
* chore: make clippy happy.
* refactor: use TopLevelOptions push top level options to subcommand.
* test: test TopLevelOptions.
* refactor: push Options in Box.
* refactor: push Options in Box.
* refactor: use let-else and Options.
* feat: Remove create_mock_sql_handler()
create_to_request() and alter_to_request() don't need `&self`, so
we don't need to mock the sql handler to test them
* feat: Enable procedure manager by default
* docs: Update config example
* test: Enable procedure framework in all tests
* refactor(datanode): rename methods using procedure
* test(catalog): Fix temp dir drops before test finishes
* tests: Enable procedure framework in sqlness
* test: Fix sqlness standalone rename test
* fix: Drop procedure allows table not in engine
* test: Change rename table test
* fix: add options to table meta when creating table by procedure
* test: adjust error message in schema test case
* test: Fix test_sql_api error message
* docs: Add comments to standalone config example
* docs: Add comments to datanode config example
* docs: Add comments to frontend config example
* docs: Add comments to meta-srv config example
* docs: Use "GB" instead of "GiB"
* docs: Add link to the selector doc
* docs: Fix grammar
* fix: Serialize FrontendOptions to toml
* fix: Serialize DatanodeOptions to toml
* fix: Serialize StandaloneOptions to toml
See https://users.rust-lang.org/t/why-toml-to-string-get-error-valueaftertable/85903/2
* chore!: Rename MetaClientOpts to MetaClientOptions
BREAKING CHANGE: Change the meta_client_opts in the config file to
meta_client_options
* feat: trigger compaction on flush
* chore: rebase develop
* feat: add config item max_file_in_level0 and remove compaction_after_flush
* fix: cr comments
* chore: add unit test to cover Timestamp::new_inclusive
* fix: workaround to fix future is not Sync
* fix: future is not sync
* fix: some cr comments
