influxd Configuration overhaul (#1732)
* overhauled influxd flags and config options, added missing config options, closes #1726, closes #1727, closes #1728 * fixed minor typo in config options * fixed typos and address PR feedback in config optionspull/1744/head
Scott Anderson
GitHub
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| Flag | | Description | Input type | Mapped to |
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|------|-------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------|--------------------------------------|
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| | `--assets-path` | Override default assets by serving from a specific directory (developer mode) | string | `INFLUXD_ASSETS_PATH` |
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| | `--bolt-path` | Path to boltdb database (default `~/.influxdbv2/influxd.bolt`) | string | `INFLUXD_BOLT_PATH` |
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| | `--e2e-testing` | Add /debug/flush endpoint to clear stores; used for end-to-end tests (default `false`) | | `INFLUXD_E2E_TESTING` |
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| | `--engine-path` | Path to persistent engine files (default `~/.influxdbv2/engine`) | string | `INFLUXD_ENGINE_PATH` |
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| `-h` | `--help` | Help for the `influxd` command | | |
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| | `--http-bind-address` | Bind address for the REST HTTP API (default `:8086`) | string | `INFLUXD_HTTP_BIND_ADDRESS` |
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| | `--influxql-max-select-buckets` | Maximum number of group by time buckets a `SELECT` statement can create. `0` allows an unlimited number of buckets. | integer | |
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| | `--influxql-max-select-point` | Maximum number of points a `SELECT` statement can process. `0` allows an unlimited number of points. This will only be checked every second so queries will not be aborted immediately when hitting the limit. | integer | |
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| | `--influxql-max-select-series` | Maximum number of series a `SELECT` statement can run. `0` allows an unlimited number of series. | integer | |
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| | `--log-level` | Supported log levels are debug, info, and error (default `info`) | string | `INFLUXD_LOG_LEVEL` |
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| | `--new-meta-store` | Enables the new meta store | | `INFLUXD_NEW_META_STORE` |
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| | `--new-meta-store-read-only` | Toggle read-only mode for the new meta store and duplicate reads between old and new store (default `true`) | | `INFLUXD_NEW_META_STORE_READ_ONLY` |
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| | `--no-tasks` | Disables the task scheduler | | `INFLUXD_NO_TASKS` |
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| | `--query-concurrency` | Number of queries allowed to execute concurrently (default `10`) | integer | `INFLUXD_QUERY_CONCURRENCY` |
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| | `--query-initial-memory-bytes` | Initial bytes of memory allocated for a query (default = `query-memory-bytes`) | integer | `INFLUXD_QUERY_INITIAL_MEMORY_BYTES` |
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| | `--query-max-memory-bytes` | Maximum total bytes of memory allowed for queries (default = `query-concurrency` × `query-memory-bytes`) | integer | `INFLUXD_QUERY_MAX_MEMORY_BYTES` |
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| | `--query-memory-bytes` | Maximum bytes of memory allowed for a single query (default _unlimited_, must be >= `query-initial-memory-bytes`) | integer | `INFLUXD_QUERY_MEMORY_BYTES` |
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| | `--query-queue-size` | Maximum number of queries allowed in execution queue (default `10`) | integer | `INFLUXD_QUERY_QUEUE_SIZE` |
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| | `--reporting-disabled` | Disable sending telemetry data to **https://telemetry.influxdata.com** | | `INFLUXD_REPORTING_DISABLED` |
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| | `--secret-store` | Data store for secrets (bolt or vault) (default `bolt`) | string | `INFLUXD_SECRET_STORE` |
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| | `--session-length` | TTL in minutes for newly created sessions (default `60`) | integer | `INFLUXD_SESSION_LENGTH` |
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| | `--session-renew-disabled` | Disables automatically extending session TTL on request | | `INFLUXD_SESSION_RENEW_DISABLED` |
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| | `--storage-cache-max-memory-size` | Maximum size a shard's cache can reach before it starts rejecting writes. (default `1.0 GiB`) | integer | |
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| | `--storage-cache-snapshot-memory-size` | Size at which the engine will snapshot the cache and write it to a TSM file, freeing up memory (default `25 MiB`) | integer | |
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| | `--storage-cache-snapshot-write-cold-duration` | Length of time at which the engine will snapshot the cache and write it to a new TSM file if the shard hasn't received writes or deletes (default `10m0s`) | duration | |
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| | `--storage-compact-full-write-cold-duration` | Duration at which the engine will compact all TSM files in a shard if it hasn't received writes or deletes (default `4h0m0s`) | duration | |
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| | `--storage-compact-throughput-burst` | Rate limit in bytes per second that TSM compactions can write to disk (default `48 MiB`) | integer | |
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| | `--storage-max-concurrent-compactions` | Maximum number of concurrent full and level compactions that can run at one time. A value of `0` results in 50% of runtime. `GOMAXPROCS(0)` used at runtime. Any number greater than zero limits compactions to that value. This setting does not apply to cache snapshotting. | integer | |
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| | `--storage-max-index-log-file-size` | Threshold, in bytes, when an index write-ahead log file will compact into an index file. Lower sizes will cause log files to be compacted more quickly and result in lower heap usage at the expense of write throughput (default `1.0 MiB`) | integer | |
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| | `--storage-retention-check-interval` | The interval of time when retention policy enforcement checks run. (default `30m0s`) | Duration | |
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| | `--storage-series-file-max-concurrent-snapshot-compactions` | Maximum number of concurrent snapshot compactions that can be running at one time across all series partitions in a database | integer | |
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| | `--storage-series-id-set-cache-size` | Size of the internal cache used in the TSI index to store previously calculated series results | integer | |
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| | `--storage-shard-precreator-advance-period` | The default period ahead of the endtime of a shard group that its successor group is created. (default `30m0s`) | Duration | |
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| | `--storage-shard-precreator-check-interval` | The interval of time when the check to pre-create new shards runs. (default `10m0s`) | Duration | |
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| | `--storage-tsm-use-madv-willneed` | Controls whether we hint to the kernel that we intend to page in mmap'd sections of TSM files. | | |
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| | `--storage-validate-keys` | Validates incoming writes to ensure keys only have valid unicode characters. | | |
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| | `--storage-wal-fsync-delay` | The amount of time that a write will wait before fsyncing. A duration greater than `0` can be used to batch multiple fsync calls. This is useful for slower disks or when WAL write contention is seen. (default `0s`) | | |
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| | `--vault-client-key` | Path to an unencrypted, PEM-encoded private key which corresponds to the matching client certificate | string | `VAULT_CLIENT_KEY` |
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| | `--vault-max-retries` | Maximum number of retries when encountering a 5xx error code (default `2`) | integer | `VAULT_MAX_RETRIES` |
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| | `--vault-client-timeout` | Vault client timeout (default `60s`) | duration | `VAULT_CLIENT_TIMEOUT` |
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| | `--vault-skip-verify` | Skip certificate verification when communicating with Vault | | `VAULT_SKIP_VERIFY` |
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| | `--vault-tls-server-name` | Name to use as the SNI host when connecting to Vault via TLS | string | `VAULT_TLS_SERVER_NAME` |
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| | `--vault-token` | Vault authentication token | string | `VAULT_TOKEN` |
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- [\--assets-path](/influxdb/v2.0/reference/config-options/#assets-path)
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- [\--bolt-path](/influxdb/v2.0/reference/config-options/#bolt-path)
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- [\--e2e-testing](/influxdb/v2.0/reference/config-options/#e2e-testing)
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- [\--engine-path](/influxdb/v2.0/reference/config-options/#engine-path)
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- -h, \-\-help
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- [\--http-bind-address](/influxdb/v2.0/reference/config-options/#http-bind-address)
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- [\--influxql-max-select-buckets](/influxdb/v2.0/reference/config-options/#influxql-max-select-buckets)
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- [\--influxql-max-select-point](/influxdb/v2.0/reference/config-options/#influxql-max-select-point)
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- [\--influxql-max-select-series](/influxdb/v2.0/reference/config-options/#influxql-max-select-series)
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- [\--log-level](/influxdb/v2.0/reference/config-options/#log-level)
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- [\--new-meta-store](/influxdb/v2.0/reference/config-options/#new-meta-store)
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- [\--new-meta-store-read-only](/influxdb/v2.0/reference/config-options/#new-meta-store-read-only)
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- [\--no-tasks](/influxdb/v2.0/reference/config-options/#no-tasks)
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- [\--query-concurrency](/influxdb/v2.0/reference/config-options/#query-concurrency)
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- [\--query-initial-memory-bytes](/influxdb/v2.0/reference/config-options/#query-initial-memory-bytes)
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- [\--query-max-memory-bytes](/influxdb/v2.0/reference/config-options/#query-max-memory-bytes)
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- [\--query-memory-bytes](/influxdb/v2.0/reference/config-options/#query-memory-bytes)
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- [\--query-queue-size](/influxdb/v2.0/reference/config-options/#query-queue-size)
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- [\--reporting-disabled](/influxdb/v2.0/reference/config-options/#reporting-disabled)
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- [\--secret-store](/influxdb/v2.0/reference/config-options/#secret-store)
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- [\--session-length](/influxdb/v2.0/reference/config-options/#session-length)
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- [\--session-renew-disabled](/influxdb/v2.0/reference/config-options/#session-renew-disabled)
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- [\--storage-cache-max-memory-size](/influxdb/v2.0/reference/config-options/#storage-cache-max-memory-size)
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- [\--storage-cache-snapshot-memory-size](/influxdb/v2.0/reference/config-options/#storage-cache-snapshot-memory-size)
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- [\--storage-cache-snapshot-write-cold-duration](/influxdb/v2.0/reference/config-options/#storage-cache-snapshot-write-cold-duration)
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- [\--storage-compact-full-write-cold-duration](/influxdb/v2.0/reference/config-options/#storage-compact-full-write-cold-duration)
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- [\--storage-compact-throughput-burst](/influxdb/v2.0/reference/config-options/#storage-compact-throughput-burst)
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- [\--storage-max-concurrent-compactions](/influxdb/v2.0/reference/config-options/#storage-max-concurrent-compactions)
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- [\--storage-max-index-log-file-size](/influxdb/v2.0/reference/config-options/#storage-max-index-log-file-size)
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- [\--storage-retention-check-interval](/influxdb/v2.0/reference/config-options/#storage-retention-check-interval)
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- [\--storage-series-file-max-concurrent-snapshot-compactions](/influxdb/v2.0/reference/config-options/#storage-series-file-max-concurrent-snapshot-compactions)
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- [\--storage-series-id-set-cache-size](/influxdb/v2.0/reference/config-options/#storage-series-id-set-cache-size)
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- [\--storage-shard-precreator-advance-period](/influxdb/v2.0/reference/config-options/#storage-shard-precreator-advance-period)
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- [\--storage-shard-precreator-check-interval](/influxdb/v2.0/reference/config-options/#storage-shard-precreator-check-interval)
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- [\--storage-tsm-use-madv-willneed](/influxdb/v2.0/reference/config-options/#storage-tsm-use-madv-willneed)
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- [\--storage-validate-keys](/influxdb/v2.0/reference/config-options/#storage-validate-keys)
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- [\--storage-wal-fsync-delay](/influxdb/v2.0/reference/config-options/#storage-wal-fsync-delay)
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- [\--tls-cert](/influxdb/v2.0/reference/config-options/#tls-cert)
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- [\--tls-key](/influxdb/v2.0/reference/config-options/#tls-key)
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- [\--tls-min-version](/influxdb/v2.0/reference/config-options/#tls-min-version)
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- [\--tls-strict-ciphers](/influxdb/v2.0/reference/config-options/#tls-strict-ciphers)
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- [\--tracing-type](/influxdb/v2.0/reference/config-options/#tracing-type)
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- [\--vault-client-key](/influxdb/v2.0/reference/config-options/#vault-client-key)
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- [\--vault-max-retries](/influxdb/v2.0/reference/config-options/#vault-max-retries)
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- [\--vault-client-timeout](/influxdb/v2.0/reference/config-options/#vault-client-timeout)
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- [\--vault-skip-verify](/influxdb/v2.0/reference/config-options/#vault-skip-verify)
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- [\--vault-tls-server-name](/influxdb/v2.0/reference/config-options/#vault-tls-server-name)
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- [\--vault-token](/influxdb/v2.0/reference/config-options/#vault-token)
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