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WordPress柔性供应链软件的性能测试与优化详细教程
引言：为什么柔性供应链软件需要性能优化？
在当今电子商务快速发展的时代，WordPress柔性供应链软件已成为许多企业的核心运营工具。这类软件需要处理复杂的库存管理、订单处理、供应商协调和物流跟踪等任务。随着业务量的增长，性能问题可能逐渐显现：页面加载缓慢、订单处理延迟、多用户同时操作时系统崩溃等。这些问题不仅影响用户体验，更可能导致直接的经济损失。
本教程将深入探讨如何对WordPress柔性供应链软件进行全面的性能测试与优化，确保您的系统能够高效稳定地支持业务发展。
第一部分：性能测试基础与环境搭建
1.1 测试环境配置
在进行性能测试前，需要搭建与生产环境相似的测试环境：
<?php
/**
* WordPress性能测试环境配置示例
* 文件：wp-config-test.php
*/
// 启用调试模式但不在前端显示错误
define('WP_DEBUG', true);
define('WP_DEBUG_DISPLAY', false);
define('WP_DEBUG_LOG', true);
// 禁用文章修订和自动保存
define('AUTOSAVE_INTERVAL', 300); // 300秒
define('WP_POST_REVISIONS', false);
// 优化数据库查询
define('SAVEQUERIES', false);
// 设置内存限制
define('WP_MEMORY_LIMIT', '256M');
define('WP_MAX_MEMORY_LIMIT', '512M');
// 使用更快的缓存机制
define('WP_CACHE', true);
// 对于供应链软件，增加超时时间
set_time_limit(120); // 脚本执行最长时间120秒
ini_set('max_execution_time', 120);
// 供应链专用配置
define('SUPPLY_CHAIN_BATCH_SIZE', 50); // 批量处理订单数量
define('INVENTORY_CACHE_EXPIRY', 300); // 库存缓存时间（秒）
?>1.2 性能测试工具选择
针对WordPress供应链软件，推荐以下测试工具组合：
- 负载测试：Apache JMeter、LoadRunner
- 压力测试：Siege、wrk
- 代码级性能分析：Xdebug + KCacheGrind
- 数据库性能分析：MySQL慢查询日志、Query Monitor插件
- 前端性能测试：Google PageSpeed Insights、GTmetrix
第二部分：供应链软件性能测试实施
2.1 数据库查询性能测试
供应链软件的核心是数据库操作，以下是一个测试数据库性能的示例代码：
<?php
/**
* 供应链数据库性能测试类
* 文件：class-supply-chain-db-test.php
*/
class SupplyChainDBPerformanceTest {
private $wpdb;
private $test_results = [];
public function __construct() {
global $wpdb;
$this->wpdb = $wpdb;
}
/**
* 测试库存查询性能
* @param int $product_id 产品ID
* @param int $iterations 迭代次数
* @return array 测试结果
*/
public function test_inventory_query($product_id, $iterations = 100) {
$start_time = microtime(true);
for ($i = 0; $i < $iterations; $i++) {
// 模拟实时库存查询
$query = $this->wpdb->prepare(
"SELECT
meta_value as stock_level,
meta_key as warehouse_location
FROM {$this->wpdb->postmeta}
WHERE post_id = %d
AND meta_key LIKE %s
ORDER BY meta_id DESC",
$product_id,
'warehouse_stock_%'
);
$results = $this->wpdb->get_results($query);
// 模拟库存计算
$total_stock = 0;
foreach ($results as $row) {
$total_stock += intval($row->stock_level);
}
}
$end_time = microtime(true);
$execution_time = ($end_time - $start_time) * 1000; // 转换为毫秒
$this->test_results['inventory_query'] = [
'iterations' => $iterations,
'total_time_ms' => $execution_time,
'avg_time_per_query_ms' => $execution_time / $iterations
];
return $this->test_results['inventory_query'];
}
/**
* 测试订单批量处理性能
* @param int $batch_size 批次大小
* @return array 测试结果
*/
public function test_order_batch_processing($batch_size = 50) {
$start_time = microtime(true);
// 模拟批量订单处理
$order_ids = range(1, $batch_size);
// 使用IN查询优化多个订单查询
$order_ids_str = implode(',', $order_ids);
$query = "SELECT
p.ID as order_id,
pm.meta_value as order_status,
pm2.meta_value as order_total
FROM {$this->wpdb->posts} p
LEFT JOIN {$this->wpdb->postmeta} pm
ON p.ID = pm.post_id AND pm.meta_key = '_order_status'
LEFT JOIN {$this->wpdb->postmeta} pm2
ON p.ID = pm2.post_id AND pm2.meta_key = '_order_total'
WHERE p.ID IN ($order_ids_str)
AND p.post_type = 'shop_order'";
$results = $this->wpdb->get_results($query);
// 模拟订单处理逻辑
$processed_orders = [];
foreach ($results as $order) {
$processed_orders[] = [
'id' => $order->order_id,
'status' => $order->order_status,
'total' => $order->order_total
];
}
$end_time = microtime(true);
$execution_time = ($end_time - $start_time) * 1000;
$this->test_results['order_batch'] = [
'batch_size' => $batch_size,
'processing_time_ms' => $execution_time,
'orders_per_ms' => $batch_size / $execution_time
];
return $this->test_results['order_batch'];
}
/**
* 生成性能测试报告
* @return string HTML格式的报告
*/
public function generate_report() {
$html = '<div class="performance-report">';
$html .= '<h2>供应链数据库性能测试报告</h2>';
$html .= '<table border="1" cellpadding="10">';
$html .= '<tr><th>测试项目</th><th>迭代次数/批次大小</th><th>总耗时(ms)</th><th>平均耗时(ms)</th></tr>';
foreach ($this->test_results as $test_name => $results) {
$avg_key = isset($results['avg_time_per_query_ms']) ?
'avg_time_per_query_ms' :
'processing_time_ms';
$iterations_key = isset($results['iterations']) ?
'iterations' :
'batch_size';
$html .= sprintf(
'<tr><td>%s</td><td>%d</td><td>%.2f</td><td>%.2f</td></tr>',
ucfirst(str_replace('_', ' ', $test_name)),
$results[$iterations_key],
$results['total_time_ms'],
$results[$avg_key]
);
}
$html .= '</table></div>';
return $html;
}
}
// 使用示例
$tester = new SupplyChainDBPerformanceTest();
$tester->test_inventory_query(123, 100);
$tester->test_order_batch_processing(50);
echo $tester->generate_report();
?>2.2 API接口性能测试
供应链软件通常需要与外部系统通过API交互：
<?php
/**
* 供应链API性能测试脚本
* 文件：supply-chain-api-test.php
*/
class SupplyChainAPIPerformanceTest {
private $api_endpoints = [
'inventory_check' => '/wp-json/supply-chain/v1/inventory',
'order_sync' => '/wp-json/supply-chain/v1/orders',
'shipment_track' => '/wp-json/supply-chain/v1/shipments'
];
/**
* 测试API响应时间
* @param string $endpoint API端点
* @param array $data 测试数据
* @param int $requests 请求次数
* @return array 测试结果
*/
public function test_api_response($endpoint, $data = [], $requests = 10) {
$base_url = get_site_url();
$url = $base_url . $this->api_endpoints[$endpoint];
$total_time = 0;
$successful_requests = 0;
$failed_requests = 0;
for ($i = 0; $i < $requests; $i++) {
$start_time = microtime(true);
$response = wp_remote_post($url, [
'timeout' => 30,
'body' => json_encode($data),
'headers' => [
'Content-Type' => 'application/json',
'Authorization' => 'Bearer ' . $this->get_test_token()
]
]);
$end_time = microtime(true);
$request_time = ($end_time - $start_time) * 1000;
if (is_wp_error($response)) {
$failed_requests++;
error_log("API请求失败: " . $response->get_error_message());
} else {
$successful_requests++;
$total_time += $request_time;
}
// 避免请求过于频繁
usleep(100000); // 100ms延迟
}
return [
'endpoint' => $endpoint,
'total_requests' => $requests,
'successful' => $successful_requests,
'failed' => $failed_requests,
'avg_response_time_ms' => $successful_requests > 0 ?
$total_time / $successful_requests : 0,
'success_rate' => ($successful_requests / $requests) * 100
];
}
/**
* 并发API请求测试
* 模拟多个仓库同时查询库存
*/
public function test_concurrent_inventory_requests($warehouse_ids, $concurrent = 5) {
$base_url = get_site_url();
$url = $base_url . $this->api_endpoints['inventory_check'];
$mh = curl_multi_init();
$handles = [];
$start_time = microtime(true);
// 创建多个cURL句柄
foreach ($warehouse_ids as $warehouse_id) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode([
'warehouse_id' => $warehouse_id,
'product_sku' => 'TEST-SKU-001'
]));
curl_setopt($ch, CURLOPT_HTTPHEADER, [
'Content-Type: application/json',
'Authorization: Bearer ' . $this->get_test_token()
]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_TIMEOUT, 30);
curl_multi_add_handle($mh, $ch);
$handles[] = $ch;
}
// 执行并发请求
$running = null;
do {
curl_multi_exec($mh, $running);
curl_multi_select($mh);
} while ($running > 0);
// 获取结果并清理
$results = [];
foreach ($handles as $ch) {
$response = curl_multi_getcontent($ch);
$results[] = json_decode($response, true);
curl_multi_remove_handle($mh, $ch);
curl_close($ch);
}
curl_multi_close($mh);
$end_time = microtime(true);
$total_time = ($end_time - $start_time) * 1000;
return [
'concurrent_requests' => count($warehouse_ids),
'total_time_ms' => $total_time,
'avg_time_per_request_ms' => $total_time / count($warehouse_ids),
'results' => $results
];
}
private function get_test_token() {
// 在实际应用中，这里应该返回有效的API令牌
// 为测试目的，可以使用测试令牌
return 'test_api_token_' . wp_hash('supply_chain_test');
}
}
?>第三部分：性能优化策略与实施
3.1 数据库优化
<?php
/**
* 供应链数据库优化类
* 文件：class-supply-chain-db-optimizer.php
*/
class SupplyChainDBOptimizer {
private $wpdb;
public function __construct() {
global $wpdb;
$this->wpdb = $wpdb;
}
/**
* 创建供应链专用索引
*/
public function create_supply_chain_indexes() {
$indexes = [
// 订单相关索引
'idx_orders_date_status' => "
CREATE INDEX idx_orders_date_status
ON {$this->wpdb->posts} (post_date, post_status)
WHERE post_type = 'shop_order'
",
// 库存相关索引
'idx_inventory_product_warehouse' => "
CREATE INDEX idx_inventory_product_warehouse
ON {$this->wpdb->postmeta} (post_id, meta_key(50))
WHERE meta_key LIKE 'warehouse_stock_%'
",
// 订单项索引
'idx_order_items_order_id' => "
CREATE INDEX idx_order_items_order_id
ON {$this->wpdb->prefix}woocommerce_order_items (order_id)
"
];
$results = [];
foreach ($indexes as $name => $sql) {
$result = $this->wpdb->query($sql);
$results[$name] = $result !== false ? '成功' : '失败: ' . $this->wpdb->last_error;
}
return $results;
}
/**
* 优化供应链查询的缓存策略
*/
public function optimize_inventory_queries() {
// 使用WordPress瞬态API缓存库存查询结果
add_filter('pre_get_inventory_data', function($null, $product_id, $warehouse_id) {
$cache_key = 'inventory_' . $product_id . '_' . $warehouse_id;
$cached = get_transient($cache_key);
if ($cached !== false) {
return $cached;
}
// 缓存未命中，执行数据库查询
$query = $this->wpdb->prepare(
"SELECT meta_value FROM {$this->wpdb->postmeta}
WHERE post_id = %d AND meta_key = %s",
$product_id,
'warehouse_stock_' . $warehouse_id
);
$result = $this->wpdb->get_var($query);
// 缓存结果5分钟
set_transient($cache_key, $result, 300);
return $result;
}, 10, 3);
}
/**
* 批量处理优化
*/
public function optimize_batch_processing() {
// 增加批量处理大小
add_filter('supply_chain_batch_size', function($default_size) {
return defined('SUPPLY_CHAIN_BATCH_SIZE') ?
SUPPLY_CHAIN_BATCH_SIZE : 100;
});
// 优化订单导出
add_action('supply_chain_export_orders', function($order_ids) {
// 使用分块处理避免内存溢出
$chunks = array_chunk($order_ids, 50);
foreach ($chunks as $chunk) {
$this->process_order_chunk($chunk);
// 每处理一个块后释放内存
if (function_exists('gc_collect_cycles')) {
gc_collect_cycles();
}
}
});
}
private function process_order_chunk($order_ids) {
// 批量处理订单的逻辑
$placeholders = implode(',', array_fill(0, count($order_ids), '%d'));
$query = $this->wpdb->prepare(
"SELECT * FROM {$this->wpdb->posts}
WHERE ID IN ($placeholders)
AND post_type = 'shop_order'",
$order_ids
);
return $this->wpdb->get_results($query);
}
}
?>3.2 代码级优化
<?php
/**
* 供应链软件代码优化示例
* 文件：supply-chain-optimizations.php
*/
/**
* 1. 延迟加载优化
* 只在需要时加载供应链资源
*/
add_action('wp_enqueue_scripts', function() {
// 只在供应链相关页面加载
if (is_supply_chain_page()) {
wp_enqueue_script(
'supply-chain-main',
SUPPLY_CHAIN_URL . 'assets/js/main.js',
['jquery'],
'1.0.0',
true
);
// 使用wp_localize_script传递大数据时优化
$inventory_data = $this->get_optimized_inventory_data();
wp_localize_script('supply-chain-main', 'supplyChainData', [
'inventory' => $inventory_data,
'nonce' => wp_create_nonce('supply_chain_ajax')
]);
}
});
/**
* 2. 查询优化 - 使用JOIN代替多个查询
*/{
global $wpdb;
// 优化后的单查询代替多个嵌套查询
$query = $wpdb->prepare(
"SELECT
o.ID as order_id,
o.post_date,
MAX(CASE WHEN om.meta_key = '_order_total' THEN om.meta_value END) as total,
MAX(CASE WHEN om.meta_key = '_supplier_id' THEN om.meta_value END) as supplier_id,
s.supplier_name,
s.contact_email,
COUNT(oi.order_item_id) as item_count
FROM {$wpdb->posts} o
LEFT JOIN {$wpdb->postmeta} om
ON o.ID = om.post_id
AND om.meta_key IN ('_order_total', '_supplier_id')
LEFT JOIN {$wpdb->prefix}supply_chain_suppliers s
ON om.meta_value = s.id AND om.meta_key = '_supplier_id'
LEFT JOIN {$wpdb->prefix}woocommerce_order_items oi
ON o.ID = oi.order_id
WHERE o.post_type = 'shop_order'
AND o.post_date BETWEEN %s AND %s
AND o.post_status IN ('wc-processing', 'wc-completed')
GROUP BY o.ID
ORDER BY o.post_date DESC
LIMIT 100",
$date_from,
$date_to
);
return $wpdb->get_results($query);
}
/**
* 3. 内存使用优化 - 使用生成器处理大数据集
*/
function stream_large_inventory_report($warehouse_id) {
global $wpdb;
// 使用无缓冲查询避免内存溢出
$wpdb->query('SET SQL_BIG_SELECTS=1');
$query = $wpdb->prepare(
"SELECT
p.ID as product_id,
p.post_title as product_name,
pm.meta_value as sku,
im.meta_value as stock_level,
im.meta_key as warehouse_location
FROM {$wpdb->posts} p
INNER JOIN {$wpdb->postmeta} pm
ON p.ID = pm.post_id AND pm.meta_key = '_sku'
INNER JOIN {$wpdb->postmeta} im
ON p.ID = im.post_id
AND im.meta_key = %s
WHERE p.post_type = 'product'
AND p.post_status = 'publish'
ORDER BY p.ID",
'warehouse_stock_' . $warehouse_id
);
// 使用生成器逐行处理
$result = $wpdb->get_results($query, ARRAY_A);
foreach ($result as $row) {
yield $row;
// 每处理100行后检查内存使用
static $counter = 0;
$counter++;
if ($counter % 100 === 0) {
$memory_usage = memory_get_usage(true) / 1024 / 1024;
if ($memory_usage > 128) { // 超过128MB时清理
gc_collect_cycles();
}
}
}
}
/**
* 4. 对象缓存优化
*/
class SupplyChainCacheManager {
private $cache_group = 'supply_chain';
private $cache_expiration = 3600; // 1小时
public function get_inventory_data($product_id, $warehouse_id) {
$cache_key = "inventory_{$product_id}_{$warehouse_id}";
// 尝试从对象缓存获取
$data = wp_cache_get($cache_key, $this->cache_group);
if ($data === false) {
// 缓存未命中，从数据库获取
$data = $this->fetch_inventory_from_db($product_id, $warehouse_id);
// 存入缓存
wp_cache_set($cache_key, $data, $this->cache_group, $this->cache_expiration);
// 同时设置瞬态作为后备
set_transient($cache_key, $data, $this->cache_expiration);
}
return $data;
}
public function batch_cache_inventory($product_ids, $warehouse_id) {
$cache_keys = [];
$uncached_ids = [];
// 批量检查缓存
foreach ($product_ids as $product_id) {
$cache_key = "inventory_{$product_id}_{$warehouse_id}";
$cache_keys[$product_id] = $cache_key;
$cached = wp_cache_get($cache_key, $this->cache_group);
if ($cached === false) {
$uncached_ids[] = $product_id;
}
}
// 批量获取未缓存的数据
if (!empty($uncached_ids)) {
$uncached_data = $this->fetch_batch_inventory($uncached_ids, $warehouse_id);
// 批量设置缓存
foreach ($uncached_data as $product_id => $data) {
$cache_key = $cache_keys[$product_id];
wp_cache_set($cache_key, $data, $this->cache_group, $this->cache_expiration);
}
}
// 返回所有数据
$result = [];
foreach ($product_ids as $product_id) {
$cache_key = $cache_keys[$product_id];
$result[$product_id] = wp_cache_get($cache_key, $this->cache_group);
}
return $result;
}
private function fetch_batch_inventory($product_ids, $warehouse_id) {
global $wpdb;
$placeholders = implode(',', array_fill(0, count($product_ids), '%d'));
$meta_key = 'warehouse_stock_' . $warehouse_id;
$query = $wpdb->prepare(
"SELECT post_id, meta_value
FROM {$wpdb->postmeta}
WHERE post_id IN ($placeholders)
AND meta_key = %s",
array_merge($product_ids, [$meta_key])
);
$results = $wpdb->get_results($query);
$data = [];
foreach ($results as $row) {
$data[$row->post_id] = $row->meta_value;
}
return $data;
}
}
?>第四部分：服务器与基础设施优化
4.1 WordPress配置优化
# Nginx配置文件优化示例
# /etc/nginx/sites-available/your-site
server {
listen 80;
server_name your-supply-chain-site.com;
# 启用Gzip压缩
gzip on;
gzip_vary on;
gzip_min_length 1024;
gzip_types text/plain text/css text/xml text/javascript
application/javascript application/xml+rss
application/json;
# 静态资源缓存
location ~* .(jpg|jpeg|png|gif|ico|css|js|svg)$ {
expires 365d;
add_header Cache-Control "public, immutable";
# 启用Brotli压缩（如果支持）
brotli on;
brotli_types text/plain text/css application/json
application/javascript text/xml
application/xml+rss text/javascript;
}
# WordPress重写规则
location / {
try_files $uri $uri/ /index.php?$args;
}
# PHP-FPM优化
location ~ .php$ {
fastcgi_pass unix:/var/run/php/php8.1-fpm.sock;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
include fastcgi_params;
# 增加超时时间用于供应链操作
fastcgi_read_timeout 300;
fastcgi_send_timeout 300;
# 启用FastCGI缓存
fastcgi_cache SUPPLY_CHAIN_CACHE;
fastcgi_cache_valid 200 301 302 10m;
fastcgi_cache_bypass $http_cache_control;
fastcgi_no_cache $http_cache_control;
add_header X-FastCGI-Cache $upstream_cache_status;
}
# 供应链API端点特殊处理
location ~ ^/wp-json/supply-chain/ {
# 禁用缓存动态API
fastcgi_cache off;
# 增加缓冲区大小
fastcgi_buffers 16 16k;
fastcgi_buffer_size 32k;
# 允许更大的请求体
client_max_body_size 50M;
}
}4.2 PHP配置优化
; php.ini 优化配置
[PHP]
; 内存限制
memory_limit = 256M
max_execution_time = 300
; OPcache 优化
opcache.enable=1
opcache.memory_consumption=256
opcache.interned_strings_buffer=16
opcache.max_accelerated_files=10000
opcache.revalidate_freq=2
opcache.fast_shutdown=1
opcache.enable_cli=1
; 实时编译优化
opcache.jit_buffer_size=100M
opcache.jit=1235
; 供应链软件特定优化
realpath_cache_size = 4096K
realpath_cache_ttl = 600
; 禁用不必要的函数（安全+性能）
disable_functions = passthru,exec,system,chroot,scandir,chgrp,chown,shell_exec4.3 数据库配置优化
-- MySQL/MariaDB 性能优化配置
-- my.cnf 或 my.ini
[mysqld]
# 基础配置
innodb_buffer_pool_size = 2G
innodb_log_file_size = 512M
innodb_flush_log_at_trx_commit = 2
innodb_flush_method = O_DIRECT
# 查询缓存（MySQL 8.0以下）
query_cache_type = 1
query_cache_size = 128M
query_cache_limit = 4M
# 连接配置
max_connections = 200
thread_cache_size = 50
wait_timeout = 600
interactive_timeout = 600
# 临时表配置
tmp_table_size = 256M
max_heap_table_size = 256M
# 供应链专用优化
innodb_autoinc_lock_mode = 2
innodb_io_capacity = 2000
innodb_read_io_threads = 8
innodb_write_io_threads = 8
# 慢查询日志
slow_query_log = 1
slow_query_log_file = /var/log/mysql/slow-queries.log
long_query_time = 2
log_queries_not_using_indexes = 1第五部分：监控与持续优化
5.1 性能监控系统
<?php
/**
* 供应链性能监控类
* 文件：class-supply-chain-monitor.php
*/
class SupplyChainPerformanceMonitor {
private $metrics = [];
private $alert_thresholds = [
'page_load_time' => 3.0, // 秒
'api_response_time' => 2.0, // 秒
'db_query_time' => 1.0, // 秒
'memory_usage' => 90, // 百分比
];
/**
* 监控关键供应链操作
*/
public function monitor_critical_operations() {
// 监控订单处理
add_action('supply_chain_process_order_start', function($order_id) {
$this->start_timer('order_processing_' . $order_id);
});
add_action('supply_chain_process_order_end', function($order_id) {
$duration = $this->end_timer('order_processing_' . $order_id);
$this->log_metric('order_processing_time', $duration, [
'order_id' => $order_id,
'timestamp' => current_time('mysql')
]);
// 如果处理时间过长，触发警报
if ($duration > $this->alert_thresholds['order_processing']) {
$this->send_alert('order_processing_slow', [
'order_id' => $order_id,
'duration' => $duration
]);
}
});
// 监控库存同步
add_action('supply_chain_sync_inventory_start', function($product_ids) {
$this->start_timer('inventory_sync_' . md5(serialize($product_ids)));
$this->record_memory_usage('before_inventory_sync');
});
add_action('supply_chain_sync_inventory_end', function($product_ids) {
$duration = $this->end_timer('inventory_sync_' . md5(serialize($product_ids)));
$memory_diff = $this->record_memory_usage('after_inventory_sync');
$this->log_metric('inventory_sync_time', $duration, [
'product_count' => count($product_ids),
'memory_increase_mb' => $memory_diff
]);
});
}
/**
* 实时性能仪表板
*/
public function performance_dashboard() {
global $wpdb;
$dashboard_data = [
'current_load' => $this->get_current_system_load(),
'database_stats' => $this->get_database_stats(),
'cache_efficiency' => $this->get_cache_efficiency(),
'recent_alerts' => $this->get_recent_alerts(10),
'slow_queries' => $this->get_slow_queries(),
];
// 生成HTML仪表板
$html = '<div class="supply-chain-dashboard">';
$html .= '<h2>供应链性能仪表板</h2>';
foreach ($dashboard_data as $section => $data) {
$html .= $this->render_dashboard_section($section, $data);
}
$html .= '</div>';
return $html;
}
private function get_database_stats() {
global $wpdb;
return [
'total_queries' => $wpdb->num_queries,
'query_time' => timer_stop(0, 3),
'slow_queries' => $this->count_slow_queries(),
'table_sizes' => $this->get_table_sizes(),
];
}
private function get_cache_efficiency() {
$cache_hits = wp_cache_get('cache_hits', 'supply_chain_stats') ?: 0;
$cache_misses = wp_cache_get('cache_misses', 'supply_chain_stats') ?: 0;
$total = $cache_hits + $cache_misses;
return [
'hit_rate' => $total > 0 ? ($cache_hits / $total) * 100 : 0,
'hits' => $cache_hits,
'misses' => $cache_misses,
];
}
/**
* 自动化优化建议
*/
public function generate_optimization_recommendations() {
$recommendations = [];
// 分析数据库查询
$slow_queries = $this->get_slow_queries();
if (count($slow_queries) > 10) {
$recommendations[] = [
'priority' => 'high',
'title' => '数据库查询优化',
'description' => '发现' . count($slow_queries) . '个慢查询，建议添加索引或优化查询语句',
'action' => 'review_slow_query_log'
];
}
// 检查缓存效率
$cache_stats = $this->get_cache_efficiency();
if ($cache_stats['hit_rate'] < 70) {
$recommendations[] = [
'priority' => 'medium',
'title' => '缓存策略优化',
'description' => sprintf('缓存命中率较低(%.1f%%)，建议调整缓存过期时间或增加缓存使用', $cache_stats['hit_rate']),
'action' => 'optimize_cache_settings'
];
}
// 检查内存使用
$memory_usage = memory_get_usage(true) / 1024 / 1024;
$memory_limit = ini_get('memory_limit');
$limit_bytes = $this->convert_to_bytes($memory_limit);
$usage_percent = ($memory_usage * 1024 * 1024) / $limit_bytes * 100;
if ($usage_percent > 80) {
$recommendations[] = [
'priority' => 'high',
'title' => '内存使用优化',
'description' => sprintf('内存使用率高达%.1f%%，建议优化代码或增加内存限制', $usage_percent),
'action' => 'review_memory_usage'
];
}
return $recommendations;
}
}
?>5.2 自动化测试脚本
<?php
/**
* 供应链性能自动化测试脚本
* 文件：automated-performance-test.php
*/
class AutomatedSupplyChainTester {
public function run_full_test_suite() {
$results = [];
// 1. 数据库性能测试
$results['database'] = $this->test_database_performance();
// 2. API性能测试
$results['api'] = $this->test_api_performance();
// 3. 并发处理测试
$results['concurrency'] = $this->test_concurrent_operations();
// 4. 内存泄漏测试
$results['memory'] = $this->test_memory_usage();
// 5. 生成报告
$report = $this->generate_test_report($results);
// 6. 发送通知
$this->send_test_results($report);
return $report;
}
private function test_database_performance() {
global $wpdb;
$tests = [
'single_product_query' => function() use ($wpdb) {
$start = microtime(true);
for ($i = 0; $i < 100; $i++) {