docs: document InfluxDB default merge mode#2496
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Signed-off-by: Lei, HUANG <mrsatangel@gmail.com>
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Pull request overview
This PR updates the GreptimeDB docs to describe the new influxdb.default_merge_mode configuration option and how it interacts with InfluxDB line protocol auto-created tables and HTTP hints, including equivalent updates in the Chinese docs.
Changes:
- Document
influxdb.default_merge_modein the configuration guide (sample TOML + options table). - Update InfluxDB line protocol docs to describe auto-created table
merge_modeselection (append-only vsmerge_modehint vs configured default). - Clarify HTTP hint precedence for
merge_mode(hint overrides configured default) and align wording across EN/ZH docs.
Reviewed changes
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Show a summary per file
| File | Description |
|---|---|
docs/user-guide/protocols/http.md |
Updates HTTP hints table to explain merge_mode precedence over influxdb.default_merge_mode for InfluxDB auto-created tables. |
docs/user-guide/ingest-data/for-iot/influxdb-line-protocol.md |
Describes how auto-created tables pick merge_mode and adds a config example for changing the default. |
docs/user-guide/deployments-administration/performance-tuning/design-table.md |
Notes the default for InfluxDB auto-created tables comes from influxdb.default_merge_mode, and merge_mode hint precedence. |
docs/user-guide/deployments-administration/configuration.md |
Adds default_merge_mode to the [influxdb] sample config and the detailed options table. |
i18n/zh/docusaurus-plugin-content-docs/current/user-guide/protocols/http.md |
Chinese version of the HTTP hints precedence updates. |
i18n/zh/docusaurus-plugin-content-docs/current/user-guide/ingest-data/for-iot/influxdb-line-protocol.md |
Chinese version of InfluxDB line protocol merge_mode selection + config snippet. |
i18n/zh/docusaurus-plugin-content-docs/current/user-guide/deployments-administration/performance-tuning/design-table.md |
Chinese version of the design-table note about default_merge_mode and hint precedence. |
i18n/zh/docusaurus-plugin-content-docs/current/user-guide/deployments-administration/configuration.md |
Chinese version of the new config option in sample TOML and options table. |
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What changed
influxdb.default_merge_modein the configuration guide and sample config.merge_mode.merge_modehints override the configured default, whileappend_mode=truecreates append-only tables withmerge_mode = 'last_row'.Why
GreptimeDB PR GreptimeTeam/greptimedb#8134 added a new InfluxDB protocol configuration option for the default merge mode used when auto-creating tables from InfluxDB line protocol writes.