Update 3.graph-config.md

docs-2.0/5.configurations-and-logs/1.configurations/3.graph-config.md

@@ -172,3 +172,12 @@ For more information about audit log, see [Audit log](../2.log-management/audit-
 |`memory_tracker_detail_log_interval_ms`    |`60000`| The time interval for generating the memory tracker log. Unit: Millisecond. `memory_tracker_detail_log` is `true` when this parameter takes effect.| Yes|
 |`memory_purge_enabled`    |`true` |Whether to enable the memory purge feature. When the value is `true`, the memory purge feature is enabled.| Yes|
 |`memory_purge_interval_seconds`    |`10` |The time interval for the memory purge feature to purge memory. Unit: Second. This parameter only takes effect if `memory_purge_enabled` is set to true.| Yes|
+
+## performance optimization configurations
+
+| Name                 | Predefined value                   | Description                               |Whether supports runtime dynamic modifications|
+| :------------------- | :------------------------ | :------------------------------------------ |:------------------|
+|`max_job_size`    |`1`  | The maximum number of concurrent jobs, i.e., the maximum number of threads used in the phase of query execution where concurrent execution is possible. It is recommended to be half of the physical CPU cores.|Yes|
+|`min_batch_size`    |`8192`  | The minimum batch size for processing the dataset. Takes effect only when `max_job_size` is greater than 1.|Yes|
+|`optimize_appendvertices`    |`false`  | When enabled, the `MATCH` statement is executed without filtering dangling edges.|Yes|
+|`path_batch_size`    |`10000`  | The number of paths constructed per thread.|Yes|