Table Configuration
In GridGain 9, you can set up cluster-wide policies for how tables should be handles. Additionally, you can configure the properties of individual tables and indexes to improve performance under your load.
Generic Settings
Generic configuration settings are applied to all tables and indexes in the cluster. Below is the list of properties:
| Property | Default | Description |
|---|---|---|
gcThreads |
16 |
Number of CPU threads dedicated to garbage collection. |
globalIdCounter |
0 |
Current global ID of the table. Incremented automatically when a new table is created. |
lowWatermark.dataAvailabilityTime |
2700000 |
The duration deleted data is kept in database, in milliseconds. |
lowWatermark.updateFrequency |
300000 |
Low watermark update frequency (in milliseconds). |
Table Configuration
Table configuration parameters can be used to fine tune table parameters manually to improve performance.
| Property | Default | Description |
|---|---|---|
name |
The name of the table. |
|
tableId |
1 |
The ID of the table. |
zoneId |
0 |
The ID of the distribution zone the table belongs to. |
columns |
The list of columns in the table. |
|
primaryKey |
The table’s primary key. |
Index Configuration
Index configuration parameters can be used to fine tune index parameters manually to improve performance.
| Property | Default | Description |
|---|---|---|
type |
The name of the index type. |
|
id |
Index ID. |
|
name |
Index name. |
|
tableId |
The ID of the table the index. |
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