feat(mysql): 添加MySQL深度检查功能

- 新增活跃查询数监控
- 新增Binlog状态检测
- 新增表碎片检测功能
- 新增连接错误统计
- 新增InnoDB缓冲池大小监控
- 新增事务状态统计
- 新增锁等待检测功能
- 完善MySQL性能指标监控体系

AuxiliaryTool/ScriptTool/新服务自检/check_server_health.ps1

@@ -2083,6 +2083,119 @@ function Test-MySQLStatus {
                             Add-Issue -Message "MySQL慢查询过多: $slowCount" -Level $slowStatus
                         }
                     }
+                    elseif ($line -match "^ACTIVE_QUERIES:(\d+)$") {
+                        $activeQueries = [int]$Matches[1]
+                        $results += [PSCustomObject]@{
+                            Name = "活跃查询数"
+                            Value = "$activeQueries 个"
+                            Threshold = "-"
+                            Status = "正常"
+                            Message = "当前正在执行的查询数量"
+                        }
+                    }
+                    elseif ($line -match "^BINLOG_STATUS:(.+)$") {
+                        $binlogInfo = $Matches[1].Trim()
+                        if ($binlogInfo -match "^ON/(\d+)$") {
+                            $binlogCount = $Matches[1]
+                            $results += [PSCustomObject]@{
+                                Name = "Binlog状态"
+                                Value = "开启 ($binlogCount 个文件)"
+                                Threshold = "-"
+                                Status = "正常"
+                                Message = "Binlog日志已开启"
+                            }
+                        } else {
+                            $results += [PSCustomObject]@{
+                                Name = "Binlog状态"
+                                Value = "关闭"
+                                Threshold = "-"
+                                Status = "警告"
+                                Message = "Binlog日志未开启"
+                            }
+                        }
+                    }
+                    elseif ($line -match "^FRAGMENTED_TABLES:(\d+)$") {
+                        $fragTables = [int]$Matches[1]
+                        if ($fragTables -gt 0) {
+                            $fragStatus = Get-StatusByThreshold -Value "$fragTables" -WarningThreshold "5" -CriticalThreshold "20" -HigherIsWorse $true
+                            $results += [PSCustomObject]@{
+                                Name = "表碎片"
+                                Value = "$fragTables 个"
+                                Threshold = ">5个警告"
+                                Status = $fragStatus
+                                Message = "DATA_FREE > 10MB的表数量"
+                            }
+                            if ($fragStatus -ne "正常") {
+                                Add-Issue -Message "发现$fragTables个表存在碎片" -Level $fragStatus
+                            }
+                        } else {
+                            $results += [PSCustomObject]@{
+                                Name = "表碎片"
+                                Value = "无"
+                                Threshold = ">5个警告"
+                                Status = "正常"
+                                Message = "无表碎片"
+                            }
+                        }
+                    }
+                    elseif ($line -match "^CONN_ERRORS:(\d+)$") {
+                        $connErrors = [int]$Matches[1]
+                        $errorStatus = Get-StatusByThreshold -Value "$connErrors" -WarningThreshold "10" -CriticalThreshold "100" -HigherIsWorse $true
+                        $results += [PSCustomObject]@{
+                            Name = "连接错误"
+                            Value = "$connErrors 次"
+                            Threshold = ">10次警告"
+                            Status = $errorStatus
+                            Message = "累计连接错误次数"
+                        }
+                        if ($errorStatus -ne "正常") {
+                            Add-Issue -Message "MySQL连接错误过多: $connErrors次" -Level $errorStatus
+                        }
+                    }
+                    elseif ($line -match "^INNODB_BP_SIZE:(.+)$") {
+                        $bpSize = $Matches[1].Trim()
+                        $results += [PSCustomObject]@{
+                            Name = "InnoDB缓冲池"
+                            Value = $bpSize
+                            Threshold = "-"
+                            Status = "正常"
+                            Message = "InnoDB缓冲池大小"
+                        }
+                    }
+                    elseif ($line -match "^TRX_ACTIVE:(\d+)$") {
+                        $trxActive = [int]$Matches[1]
+                        $results += [PSCustomObject]@{
+                            Name = "活跃事务"
+                            Value = "$trxActive 个"
+                            Threshold = "-"
+                            Status = "正常"
+                            Message = "当前活跃事务数量"
+                        }
+                    }
+                    elseif ($line -match "^LOCK_WAITS:(\d+)$") {
+                        $lockWaits = [int]$Matches[1]
+                        if ($lockWaits -gt 0) {
+                            $lockStatus = Get-StatusByThreshold -Value "$lockWaits" -WarningThreshold "1" -CriticalThreshold "10" -HigherIsWorse $true
+                            $results += [PSCustomObject]@{
+                                Name = "锁等待"
+                                Value = "$lockWaits 个"
+                                Threshold = ">1个警告"
+                                Status = $lockStatus
+                                Message = "当前行锁等待数量"
+                            }
+                            if ($lockStatus -ne "正常") {
+                                Add-Issue -Message "检测到$lockWaits个锁等待" -Level $lockStatus
+                            }
+                        } else {
+                            $results += [PSCustomObject]@{
+                                Name = "锁等待"
+                                Value = "无"
+                                Threshold = ">1个警告"
+                                Status = "正常"
+                                Message = "无锁等待"
+                            }
+                        }
+                    }
                 }
 
                 # 清理临时脚本

AuxiliaryTool/ScriptTool/新服务自检/mysql_depth_check.sh

@@ -95,3 +95,58 @@ if [[ "$OPEN_TABLES" =~ ^[0-9]+$ ]] && [[ "$OPENED_TABLES" =~ ^[0-9]+$ ]]; then
 else
     echo "CACHE_HIT_RATE:N/A"
 fi
+
+# 当前活跃查询数
+ACTIVE_QUERIES=$(docker exec -e MYSQL_PWD="$MYSQL_PASSWORD" $CONTAINER mysql -uroot -N -e "SHOW PROCESSLIST;" 2>/dev/null | grep -v "Sleep" | grep -v "binlog" | wc -l)
+echo "ACTIVE_QUERIES:$ACTIVE_QUERIES"
+
+# Binlog状态
+BINLOG_STATUS=$(docker exec -e MYSQL_PWD="$MYSQL_PASSWORD" $CONTAINER mysql -uroot -N -e "SHOW VARIABLES LIKE 'log_bin';" 2>/dev/null | awk '{print $2}')
+if [ "$BINLOG_STATUS" = "ON" ]; then
+    BINLOG_COUNT=$(docker exec -e MYSQL_PWD="$MYSQL_PASSWORD" $CONTAINER mysql -uroot -N -e "SHOW BINARY LOGS;" 2>/dev/null | wc -l)
+    echo "BINLOG_STATUS:ON/$BINLOG_COUNT"
+else
+    echo "BINLOG_STATUS:OFF"
+fi
+
+# 表碎片检测 (DATA_FREE > 10MB的表数量)
+FRAGMENTED_TABLES=$(docker exec -e MYSQL_PWD="$MYSQL_PASSWORD" $CONTAINER mysql -uroot -N -e "SELECT COUNT(*) FROM information_schema.TABLES WHERE TABLE_SCHEMA NOT IN ('information_schema','performance_schema','mysql','sys') AND DATA_FREE > 10485760;" 2>/dev/null)
+if [ -n "$FRAGMENTED_TABLES" ] && [[ "$FRAGMENTED_TABLES" =~ ^[0-9]+$ ]]; then
+    echo "FRAGMENTED_TABLES:$FRAGMENTED_TABLES"
+else
+    echo "FRAGMENTED_TABLES:0"
+fi
+
+# 连接错误统计
+CONN_ERRORS=$(docker exec -e MYSQL_PWD="$MYSQL_PASSWORD" $CONTAINER mysql -uroot -N -e "SHOW STATUS LIKE 'Aborted_connects';" 2>/dev/null | awk '{print $2}')
+if [ -n "$CONN_ERRORS" ]; then
+    echo "CONN_ERRORS:$CONN_ERRORS"
+else
+    echo "CONN_ERRORS:0"
+fi
+
+# InnoDB缓冲池大小
+INNODB_BP_SIZE=$(docker exec -e MYSQL_PWD="$MYSQL_PASSWORD" $CONTAINER mysql -uroot -N -e "SHOW VARIABLES LIKE 'innodb_buffer_pool_size';" 2>/dev/null | awk '{print $2}')
+if [ -n "$INNODB_BP_SIZE" ] && [ "$INNODB_BP_SIZE" -gt 0 ]; then
+    # 转换为MB
+    BP_SIZE_MB=$((INNODB_BP_SIZE / 1024 / 1024))
+    echo "INNODB_BP_SIZE:${BP_SIZE_MB}MB"
+else
+    echo "INNODB_BP_SIZE:N/A"
+fi
+
+# 事务状态统计
+TRX_ACTIVE=$(docker exec -e MYSQL_PWD="$MYSQL_PASSWORD" $CONTAINER mysql -uroot -N -e "SHOW STATUS LIKE 'Innodb_trx_active';" 2>/dev/null | awk '{print $2}')
+if [ -n "$TRX_ACTIVE" ]; then
+    echo "TRX_ACTIVE:$TRX_ACTIVE"
+else
+    echo "TRX_ACTIVE:0"
+fi
+
+# 锁等待检测
+LOCK_WAITS=$(docker exec -e MYSQL_PWD="$MYSQL_PASSWORD" $CONTAINER mysql -uroot -N -e "SHOW STATUS LIKE 'Innodb_row_lock_current_waits';" 2>/dev/null | awk '{print $2}')
+if [ -n "$LOCK_WAITS" ]; then
+    echo "LOCK_WAITS:$LOCK_WAITS"
+else
+    echo "LOCK_WAITS:0"
+fi