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Update 03-manage-query-warehouse-through-SQL.md
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‎docs/en/guides/10-deploy/01-deploy/02-production/03-manage-query-warehouse-through-SQL.md‎

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@@ -12,7 +12,7 @@ This topic explains how to manage scalable and flexible query warehouse through
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![Warehouse On Premise](/img/deploy/on-premise-warehouse.png)
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**Scenario Description**
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Previously, we introduced to deploy databend using static `tenant_id` and `cluster_id` in the ![deployment](https://docs.databend.com/guides/deploy/deploy/production/metasrv-deploy#step-2-deploy-query-nodes).
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Previously, we introduced to deploy databend using static `tenant_id` and `cluster_id` in the [deployment](https://docs.databend.com/guides/deploy/deploy/production/metasrv-deploy#step-2-deploy-query-nodes).
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For on-premise deployments to be successful, it's essential to have a skilled DevOps team in place to effectively manage the deployment and configuration. This includes:
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1. Strategically routing queries to various clusters to enhance concurrency during peak usage times.
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┌──────────────────────────────────────────────────────────────────────────────────────────-─────┐
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│ id │ type │ node_group │ warehouse │ cluster │ version │
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│ String │ String │ String │ String │ String │ String │
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├────────────────────────┼───────────────┼────────────┼───────────┼─────────┼────────────────────┤
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│ 9rabYMxa0ReDyZe6F9igH5 │ SystemManaged │ log_node │ │ │ v1.2.686-nightly │
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│ CbzfLlTVO29EhkZXdeR625 │ SystemManaged │ log_node │ │ │ v1.2.686-nightly │
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│ ilPer0ps5wWnEDOLIlk821 │ SystemManaged │ infra_node │ │ │ v1.2.686-nightly │
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│ shnWu1TC41sAxVwJMIVQF3 │ SystemManaged │ infra_node │ │ │ v1.2.686-nightly │
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└───────────────────────────────────────────────────────────────────────────────────────────---──┘
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```
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### Create a single cluster warehouse with 2 nodes
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create warehouse test_warehouse_1 with warehouse_size = 2
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root@localhost:8000/default> show online nodes;
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show online nodes
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┌────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
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│ id │ type │ node_group │ warehouse │ cluster │ version │
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│ String │ String │ String │ String │ String │ String │
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├────────────────────────┼───────────────┼────────────┼──────────────────┼─────────┼─────────────────────────────┤
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│ 9rabYMxa0ReDyZe6F9igH5 │ SystemManaged │ log_node │ │ │ v1.2.686-nightly │
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│ CbzfLlTVO29EhkZXdeR625 │ SystemManaged │ log_node │ │ │ v1.2.686-nightly │
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│ ilPer0ps5wWnEDOLIlk821 │ SystemManaged │ infra_node │ │ │ v1.2.686-nightly │
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│ shnWu1TC41sAxVwJMIVQF3 │ SystemManaged │ infra_node │ │ │ v1.2.686-nightly │
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└────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
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```
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### Get all existing warehouses
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┌───────────────────────────────────────────┐
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│ warehouse │ type │ status │
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│ String │ String │ String │
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├────────────────┼────────────────┼─────────┤
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│ test_warehouse │ System-Managed │ Running │
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└───────────────────────────────────────────┘
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```
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### Use one of the existing warehouses to run query
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use warehouse test_warehouse_1
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root@(test_warehouse_1)/default> select * from system.clusters;
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SELECT * FROM system.clusters
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┌───────────────────────────────────────────────────────────────────────────────────────────┐
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│ name │ cluster │ host │ port │ version │
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│ String │ String │ String │ UInt16 │ String │
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├────────────────────────┼──────────────────────────┼───────────┼────────┼──────────────────┤
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│ SoZcaT4gmhVoGKcChlDw93 │ test_warehouse_1/default │ 127.0.0.1 │ 27498 │ v1.2.686-nightly │
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│ Zu7rmhVZ2s2HqTUCdFBdu2 │ test_warehouse_1/default │ 127.0.0.1 │ 29798 │ v1.2.686-nightly │
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└───────────────────────────────────────────────────────────────────────────────────────────┘
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```
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### Add clusters to an existing warehouse
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alter warehouse test_warehouse add cluster test_cluster with cluster_size = 3
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root@localhost:8000/default> show online nodes;
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show online nodes
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┌───────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
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│ id │ type │ node_group │ warehouse │ cluster │ version │
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│ String │ String │ String │ String │ String │ String │
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├────────────────────────┼───────────────┼────────────┼────────────────┼──────────────┼─────────────────────────────┤
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│ 9rabYMxa0ReDyZe6F9igH5 │ SystemManaged │ log_node │ │ │ v1.2.686-nightly │
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│ CbzfLlTVO29EhkZXdeR625 │ SystemManaged │ log_node │ │ │ v1.2.686-nightly │
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create warehouse test_warehouse(assign 1 nodes from log_node, assign 2 nodes from infra_node)
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root@localhost:8000/default> show online nodes;
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show online nodes
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┌──────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
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│ id │ type │ node_group │ warehouse │ cluster │ version │
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│ String │ String │ String │ String │ String │ String │
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├────────────────────────┼───────────────┼────────────┼────────────────┼─────────┼─────────────────────────────┤
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│ 6yCaMTMAZbP6nSsNfzkSG5 │ SystemManaged │ log_node │ │ │ v1.2.686-nightly │
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│ 8g0E9LxG3mk2eBhKNT9DT2 │ SystemManaged │ log_node │ test_warehouse │ default │ v1.2.686-nightly │
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│ s7Yfg7OgXPHAX7pETAbcc │ SystemManaged │ dev_node │ │ │ v1.2.686-nightly │
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│ tM8lj2NOTTtTwjnQIzCwI6 │ SystemManaged │ infra_node │ test_warehouse │ default │ v1.2.686-nightly │
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└──────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
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```
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#### Add a cluster to an existing warehouse, cluster nodes come from different node groups
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alter warehouse test_warehouse add cluster test_cluster (assign 1 nodes from dev_node, assign 1 nodes from infra_node)
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root@localhost:8000/default> show online nodes;
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show online nodes
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┌───────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
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│ id │ type │ node_group │ warehouse │ cluster │ version │
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│ String │ String │ String │ String │ String │ String │
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├────────────────────────┼───────────────┼────────────┼────────────────┼──────────────┼─────────────────────────────┤
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│ DZB0EWAz4EiR9UnndkQY92 │ SystemManaged │ dev_node │ │ │ v1.2.686-nightly │
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│ GFkSBv96W9bWBa85n5sC87 │ SystemManaged │ infra_node │ │ │ v1.2.686-nightly │
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│ wXgSNxxOTOkjazEPLbDVF3 │ SystemManaged │ infra_node │ test_warehouse │ default │ v1.2.686-nightly │
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│ xqWmN2SR1wRjMUt4T2Oy66 │ SystemManaged │ dev_node │ test_warehouse │ test_cluster │ v1.2.686-nightly │
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└───────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
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```
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#### Add nodes to an existing warehouse, cluster nodes come from different node groups
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alter warehouse test_warehouse assign nodes(assign 1 nodes from dev_node for default, assign 1 nodes from infra_node for default)
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┌──────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
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│ id │ type │ node_group │ warehouse │ cluster │ version │
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│ String │ String │ String │ String │ String │ String │
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├────────────────────────┼───────────────┼────────────┼────────────────┼─────────┼─────────────────────────────┤
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│ 6yCaMTMAZbP6nSsNfzkSG5 │ SystemManaged │ log_node │ │ │ v1.2.686-nightly │
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│ 8g0E9LxG3mk2eBhKNT9DT2 │ SystemManaged │ log_node │ test_warehouse │ default │ v1.2.686-nightly │
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│ s7Yfg7OgXPHAX7pETAbcc │ SystemManaged │ dev_node │ test_warehouse │ default │ v1.2.686-nightly │
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│ tM8lj2NOTTtTwjnQIzCwI6 │ SystemManaged │ infra_node │ test_warehouse │ default │ v1.2.686-nightly │
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└──────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
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```
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#### Remove Nodes from cluster of a Warehouse by Node Group
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alter warehouse test_warehouse unassign nodes(unassign 1 nodes from dev_node for default, unassign 2 nodes from infra_node for default)
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root@localhost:8000/default> show online nodes;
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show online nodes
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┌──────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
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│ id │ type │ node_group │ warehouse │ cluster │ version │
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│ String │ String │ String │ String │ String │ String │
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├────────────────────────┼───────────────┼────────────┼────────────────┼─────────┼─────────────────────────────┤
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│ 6yCaMTMAZbP6nSsNfzkSG5 │ SystemManaged │ log_node │ │ │ v1.2.686-nightly │
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│ 8g0E9LxG3mk2eBhKNT9DT2 │ SystemManaged │ log_node │ test_warehouse │ default │ v1.2.686-nightly │
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│ s7Yfg7OgXPHAX7pETAbcc │ SystemManaged │ dev_node │ │ │ v1.2.686-nightly │
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│ tM8lj2NOTTtTwjnQIzCwI6 │ SystemManaged │ infra_node │ test_warehouse │ default │ v1.2.686-nightly │
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└──────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
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```
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```

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