> For the complete documentation index, see [llms.txt](https://docs.tibero.com/prosync/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tibero.com/prosync/administration/llob/key-features/multi-thread.md).

# Multi thread

성능 향상을 위해, Apply 프로세스의 요청에 따라 Source DB에서 데이터 조회를 수행할 Read Thread의 개수를 설정할 수 있다.

`LLOB_THREAD_CNT=[1-4]`

| 파라미터              | 설명                             |
| ----------------- | ------------------------------ |
| LLOB\_THREAD\_CNT | 기동 시 생성할 Read Thread의 개수를 설정한다 |

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