te')); return $arr; } /* 遍历用户所有主题 * @param $uid 用户ID * @param int $page 页数 * @param int $pagesize 每页记录条数 * @param bool $desc 排序方式 TRUE降序 FALSE升序 * @param string $key 返回的数组用那一列的值作为 key * @param array $col 查询哪些列 */ function thread_tid_find_by_uid($uid, $page = 1, $pagesize = 1000, $desc = TRUE, $key = 'tid', $col = array()) { if (empty($uid)) return array(); $orderby = TRUE == $desc ? -1 : 1; $arr = thread_tid__find($cond = array('uid' => $uid), array('tid' => $orderby), $page, $pagesize, $key, $col); return $arr; } // 遍历栏目下tid 支持数组 $fid = array(1,2,3) function thread_tid_find_by_fid($fid, $page = 1, $pagesize = 1000, $desc = TRUE) { if (empty($fid)) return array(); $orderby = TRUE == $desc ? -1 : 1; $arr = thread_tid__find($cond = array('fid' => $fid), array('tid' => $orderby), $page, $pagesize, 'tid', array('tid', 'verify_date')); return $arr; } function thread_tid_delete($tid) { if (empty($tid)) return FALSE; $r = thread_tid__delete(array('tid' => $tid)); return $r; } function thread_tid_count() { $n = thread_tid__count(); return $n; } // 统计用户主题数 大数量下严谨使用非主键统计 function thread_uid_count($uid) { $n = thread_tid__count(array('uid' => $uid)); return $n; } // 统计栏目主题数 大数量下严谨使用非主键统计 function thread_fid_count($fid) { $n = thread_tid__count(array('fid' => $fid)); return $n; } ?>production - Strapi API TTFB Performance Issue: Higher TTFB on a 4 vCPU Server Compared to a 2 vCPU Server - Stack Overflow

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    I am using Strapi as my backend for two different domains, but the API response times for fetching city data are significantly different between the two servers. Despite the server at [API - colleges18] having more powerful hardware (4 vCPUs) compared to the server at [API - schools18] (2 vCPUs), the response time on the former is slower, with a TTFB of 714.24ms, while the latter delivers a faster TTFB of 103.67ms.

    API Performance Discrepancy:

    Faster API Response:

    Server: 2 vCPUs Response Time (TTFB): 103.67ms Endpoint: [API - schools18]

    Slower API Response: Server: 4 vCPUs Response Time (TTFB): 714.24ms Endpoint: [API - colleges18]

    Even though the API running on the 4 vCPU server has more powerful hardware, it is returning much slower response times (1.69 seconds in production). The other API, running on a server with only 2 vCPUs, responds much faster with a TTFB of just 103.67ms. This discrepancy is confusing, especially considering the difference in server specifications.

    Why is the API on the 4 vCPU server taking longer (1.69s) to respond, even though the hardware is more powerful?

    What factors could contribute to a higher TTFB despite having more computing resources on one server?

    What steps or tools can I use to effectively debug API latency in Strapi?

    Any guidance on this matter, including common causes for latency issues or tools for diagnosing Strapi API performance, would be greatly appreciated. I’ve also attached images for reference that may help in visualizing the environment setup for both APIs.

    colleges18 Image schools18 Image

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