Fix hosts, cleanup retention policy
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@ -37,17 +37,17 @@ In your request, set the following:
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The following example shows how to use cURL to send a Flux query to InfluxDB {{< current-version >}}:
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{{% code-placeholders "ORG_ID|API_TOKEN|BUCKET_NAME" %}}
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```bash
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{{< code-tabs-wrapper >}}
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{{% code-tabs %}}
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[Without compression](#)
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[With compression](#)
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{{% /code-tabs %}}
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{{% code-tab-content %}}
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```bash
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curl --request POST \
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http://localhost:8086/api/v2/query?orgID=ORG_ID \
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curl \
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--request POST \
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http://{{< influxdb/host >}}/api/v2/query?orgID=ORG_ID \
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--header 'Authorization: Token API_TOKEN' \
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--header 'Accept: application/csv' \
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--header 'Content-type: application/vnd.flux' \
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@ -57,11 +57,11 @@ curl --request POST \
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|> aggregateWindow(every: 1h, fn: mean)'
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```
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{{% /code-tab-content %}}
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{{% code-tab-content %}}
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```bash
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curl --request POST \
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http://localhost:8086/api/v2/query?orgID=ORG_ID \
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curl \
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--request POST \
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http://{{< influxdb/host >}}/api/v2/query?orgID=ORG_ID \
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--header 'Authorization: Token API_TOKEN' \
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--header 'Accept: application/csv' \
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--header 'Content-type: application/vnd.flux' \
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@ -84,10 +84,11 @@ Replace the following with your values:
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## Send an InfluxQL query request
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You can query InfluxDB {{< current-version >}} using the InfluxQL query language with the v1-compatible API.
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Send an InfluxQL query in an HTTP `GET` or `POST` request to the following endpoint:
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To query InfluxDB {{< current-version >}} using the [InfluxQL query language](/influxdb/v2/reference/syntax/influxql/), send a request to the v1-compatible API endpoint:
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{{% api-endpoint endpoint="/query" api-ref="/influxdb/v2/api/v2/#operation/GetLegacyQuery" %}}
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{{% api-endpoint method="GET" endpoint="/query" api-ref="/influxdb/v2/api/v2/#operation/GetLegacyQuery" %}}
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{{% api-endpoint method="POST" endpoint="/query" api-ref="/influxdb/v2/api/v2/#operation/PostQueryV1" %}}
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In your request, set the following:
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@ -95,18 +96,33 @@ In your request, set the following:
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- Headers:
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- `Accept: application/csv` or `Accept: application/json`
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- `Content-type: application/vnd.influxql`
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- Your InfluxQL query text in the request body or the `q` URL parameter
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- The database and retention policy mapped to the bucket you want to query
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- Your InfluxQL query text
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> [!Note]
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> If you have an existing bucket that doesn't follow the **database/retention-policy** naming convention,
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> you **must** [manually create a database and retention policy mapping](/influxdb/v2/query-data/influxql/dbrp/#create-dbrp-mappings)
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> to query that bucket with the `/query` compatibility API.
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> Use the `db` and `rp` query parameters to specify the database and retention policy
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> for the bucket you want to query.
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> [!Note]
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> #### Use gzip to compress a large query response
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>
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> To compress the query response, set the `Accept-Encoding` header to `gzip`.
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> This saves network bandwidth, but increases server-side load.
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>
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> We recommend only using gzip compression on responses that are larger than 1.4 KB.
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> If the response is smaller than 1.4 KB, gzip encoding will always return a 1.4 KB
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> response, despite the uncompressed response size.
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> 1500 bytes (~1.4 KB) is the maximum transmission unit (MTU) size for the public
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> network and is the largest packet size allowed at the network layer.
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#### InfluxQL - Example query request
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The following example shows how to use cURL to send an InfluxQL query to InfluxDB {{< current-version >}} using 1.x compatible authentication:
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The following example shows how to use cURL to send an InfluxQL query to InfluxDB {{< current-version >}} using v1-compatible authentication:
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{{% code-placeholders "API_TOKEN|BUCKET_NAME|RETENTION_POLICY_NAME" %}}
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{{% code-placeholders "API_TOKEN|BUCKET_NAME" %}}
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{{< code-tabs-wrapper >}}
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{{% code-tabs %}}
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@ -115,22 +131,23 @@ The following example shows how to use cURL to send an InfluxQL query to InfluxD
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{{% /code-tabs %}}
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{{% code-tab-content %}}
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```bash
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# 1.x compatible POST request using Basic authentication and InfluxQL
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curl --request POST \
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"http://localhost:8086/query?db=BUCKET_NAME&rp=RETENTION_POLICY&p=API_TOKEN&u=ignored" \
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"http://{{< influxdb/host >}}/query?db=BUCKET_NAME&p=API_TOKEN&u=ignored" \
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--header "Content-type: application/vnd.influxql" \
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--data "SELECT * FROM home WHERE time < now()"
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--data "SELECT * FROM home WHERE time > now() - 1h"
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```
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{{% /code-tab-content %}}
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{{% code-tab-content %}}
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```bash
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# 1.x compatible GET request using Basic authentication and InfluxQL
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curl --get "http://localhost:8086/query" \
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curl --get "http://{{< influxdb/host >}}/query" \
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--header "Accept: application/json" \
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--data-urlencode "q=SELECT * FROM home WHERE time < now()" \
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--data-urlencode "q=SELECT * FROM home WHERE time > now() - 1h" \
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--data-urlencode "db=BUCKET_NAME" \
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--data-urlencode "rp=RETENTION_POLICY" \
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--data-urlencode "u=ignored" \
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--data-urlencode "p=API_TOKEN"
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```
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@ -138,12 +155,13 @@ curl --get "http://localhost:8086/query" \
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{{< /code-tabs-wrapper >}}
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{{% /code-placeholders %}}
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Replace the following with your values:
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- {{% code-placeholder-key %}}`API_TOKEN`{{% /code-placeholder-key %}} - your [token](/influxdb/version/admin/tokens/).
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- {{% code-placeholder-key %}}`BUCKET_NAME`{{% /code-placeholder-key %}} - the name of the [bucket](/influxdb/version/admin/buckets/) to create.
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- {{% code-placeholder-key %}}`RETENTION_POLICY_NAME`{{% /code-placeholder-key %}} - the name of the 1.x retention policy to use for the query.
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{{% code-placeholders "ORG_ID|API_TOKEN|BUCKET_NAME|RETENTION_POLICY_NAME" %}}
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Replace the following with your values:
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- {{% code-placeholder-key %}}`API_TOKEN`{{% /code-placeholder-key %}} - your [token](/influxdb/version/admin/tokens/).
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- {{% code-placeholder-key %}}`BUCKET_NAME`{{% /code-placeholder-key %}} - the name of the [bucket](/influxdb/version/admin/buckets/) to query.
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{{% code-placeholders "ORG_ID|API_TOKEN|BUCKET_NAME" %}}
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{{< code-tabs-wrapper >}}
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{{% code-tabs %}}
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@ -153,11 +171,10 @@ Replace the following with your values:
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{{% code-tab-content %}}
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```bash
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curl --get "http://localhost:8086/query" \
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curl --get "http://{{< influxdb/host >}}/query" \
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--header 'Accept: application/csv' \
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--header 'Content-type: application/json' \
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--data-urlencode "db=BUCKET_NAME" \
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--data-urlencode "rp=RETENTION_POLICY_NAME" \
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--data-urlencode "p=API_TOKEN" \
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--data-urlencode "u=ignored" \
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--data-urlencode "q=SELECT used_percent FROM example-db.example-rp.example-measurement WHERE host=host1"
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@ -166,17 +183,15 @@ curl --get "http://localhost:8086/query" \
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{{% code-tab-content %}}
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```bash
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curl --get "http://localhost:8086/query" \
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curl --get "http://{{< influxdb/host >}}/query" \
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--header 'Accept: application/csv' \
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--header 'Content-type: application/json' \
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--header 'Accept-Encoding: gzip' \
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--data-urlencode "db=BUCKET_NAME" \
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--data-urlencode "rp=RETENTION_POLICY_NAME" \
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--data-urlencode "p=API_TOKEN" \
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--data-urlencode "u=ignored" \
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--data-urlencode "q=SELECT used_percent FROM example-db.example-rp.example-measurement WHERE host=host1"
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```
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```
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{{% /code-tab-content %}}
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{{< /code-tabs-wrapper >}}
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@ -184,9 +199,7 @@ curl --get "http://localhost:8086/query" \
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Replace the following with your values:
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- {{% code-placeholder-key %}}`ORG_ID`{{% /code-placeholder-key %}} - the ID of the [organization](/influxdb/version/admin/organizations/) that owns the bucket.
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- {{% code-placeholder-key %}}`API_TOKEN`{{% /code-placeholder-key %}} - your [token](/influxdb/version/admin/tokens/).
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- {{% code-placeholder-key %}}`BUCKET_NAME`{{% /code-placeholder-key %}} - the name of the [bucket](/influxdb/version/admin/buckets/) to create.
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- {{% code-placeholder-key %}}`RETENTION_POLICY_NAME`{{% /code-placeholder-key %}} - the name of the 1.x retention policy to use for the query.
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InfluxDB returns the query results in [annotated CSV](/influxdb/version/reference/syntax/annotated-csv/).
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