×ðÁú¿­Ê±

ÔõÑùÓÅ»¯LinuxЧÀÍÆ÷µÄÐÔÄÜÓë×ÊԴʹÓÃ

ÔõÑùÓÅ»¯LinuxЧÀÍÆ÷µÄÐÔÄÜÓë×ÊԴʹÓã¬ÐèÒªÏêϸ´úÂëʾÀý

ͻ񻣼

LinuxЧÀÍÆ÷ÐÔÄܺÍ×ÊԴʹÓõÄÓÅ»¯ÊÇ°ü¹ÜЧÀÍÆ÷ÔËÐÐÎȹ̺͸ßЧµÄÒªº¦¡£±¾ÎĽ«ÏÈÈÝһЩÓÅ»¯LinuxЧÀÍÆ÷ÐÔÄܺÍ×ÊԴʹÓõÄÒªÁ죬²¢ÌṩÏêϸµÄ´úÂëʾÀý¡£

СÐò£º

Ëæ×Å»¥ÁªÍøµÄ¿ìËÙÉú³¤£¬´ó×ÚµÄÓ¦ÓúÍЧÀͶ¼°²ÅÅÔÚLinuxЧÀÍÆ÷ÉÏ¡£ÎªÁË°ü¹ÜЧÀÍÆ÷ÔËÐеĸßЧÎȹÌ£¬ÎÒÃÇÐèÒª¶ÔЧÀÍÆ÷¾ÙÐÐÐÔÄܺÍ×ÊԴʹÓÃÓÅ»¯£¬ÒÔʵÏÖ¸üºÃµÄÐÔÄܺÍ×ÊԴʹÓÃЧÂÊ¡£±¾ÎĽ«ÏÈÈÝÔõÑùͨ¹ýÓÅ»¯LinuxЧÀÍÆ÷µÄÐÔÄܺÍ×ÊԴʹÓÃÀ´Ìá¸ßЧÀÍÆ÷µÄÐÔÄܺÍЧÂÊ¡£

Ò»¡¢CPUÐÔÄÜÓÅ»¯

¶àÏ̱߳à³ÌµÄÓÅ»¯

ÔÚЧÀÍÆ÷Ó¦Óÿª·¢ÖУ¬¶àÏ̱߳à³ÌÊǺܳ£¼ûµÄ¡£ºÏÀíÓÅ»¯¶àÏ̱߳à³Ì¿ÉÒÔ×î´óÏ޶ȵØʹÓÃЧÀÍÆ÷µÄ¶àºËCPU×ÊÔ´¡£ÒÔÏÂÊÇÒ»¸ö¼òÆӵĶàÏ̱߳à³ÌʾÀý£º

#include <stdio.h>
#include <pthread.h>

#define NUM_THREADS 4

void *calculate(void *arg) {
    // ÅÌËãÂß¼­

    return NULL;
}

int main() {
    pthread_t threads[NUM_THREADS];
    
    for (int i = 0; i < NUM_THREADS; i++) {
        pthread_create(&threads[i], NULL, calculate, NULL);
    }

    for (int i = 0; i < NUM_THREADS; i++) {
        pthread_join(threads[i], NULL);
    }

    return 0;
}

µÇ¼ºó¸´ÖÆ

CPUÇ׺ÍÐÔµÄÉèÖÃ

CPUÇ׺ÍÐÔ¿ÉÒÔ½«Ìض¨Ḭ̈߳󶨵½Ö¸¶¨µÄCPU½¹µãÉÏ£¬ÒÔ×èÖ¹CPU½¹µã¼äµÄƵÈÔÇл»»ººÍ´æʧЧ¡£ÏÂÃæÊÇÒ»¸ö¼òÆÓµÄCPUÇ׺ÍÐÔÉèÖÃʾÀý£º

#include <stdio.h>
#include <pthread.h>

void *calculate(void *arg) {
    // ÉèÖÃCPUÇ׺ÍÐÔ
    cpu_set_t cpuset;
    CPU_ZERO(&cpuset);
    CPU_SET(2, &cpuset); // ½«Ḭ̈߳󶨵½CPU½¹µã2
    pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);

    // ÅÌËãÂß¼­

    return NULL;
}

int main() {
    pthread_t thread;
    pthread_create(&thread, NULL, calculate, NULL);
    pthread_join(thread, NULL);

    return 0;
}

µÇ¼ºó¸´ÖÆ

¶þ¡¢ÄÚ´æÐÔÄÜÓÅ»¯

ºÏÀíʹÓÃÄÚ´æÖÎÀí

LinuxЧÀÍÆ÷ÖеÄÄÚ´æÖÎÀí¹ØÓÚÐÔÄܺÍ×ÊԴʹÓÃÖÁ¹ØÖ÷Òª¡£ÒÔÏÂÊÇһЩÄÚ´æÖÎÀíµÄÓÅ»¯ÒªÁ죺

×èÖ¹ÄÚ´æ×ß©ºÍÎÞЧµÄÄÚ´æ·ÖÅÉ£¬°´ÆÚÊͷŲ»ÔÙʹÓõÄÄÚ´æ¡£

ʹÓÃÄÚ´æ³Ø»ººÍ´æÊÖÒÕÀ´Ìá¸ßÄÚ´æ·ÖÅɺÍÊͷŵÄЧÂÊ¡£

×¢ÖØÄÚ´æ¶ÔÆ룬ÒÔÌá¸ßÄÚ´æ»áÊÕЧÂÊ¡£

ʹÓÃÄÚ´æÓ³ÉäÎļþ

ÄÚ´æÓ³ÉäÎļþÊÇÒ»ÖÖ½«ÎļþÓ³Éäµ½ÄÚ´æÖеÄÊÖÒÕ£¬¿ÉÒÔïÔÌ­´ÅÅÌI/O²Ù×÷£¬Ìá¸ß¶ÁдЧÂÊ¡£ÒÔÏÂÊÇÒ»¸ö¼òÆÓµÄʹÓÃÄÚ´æÓ³ÉäÎļþµÄ´úÂëʾÀý£º

#include <stdio.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <sys/stat.h>

int main() {
    int fd = open("data.txt", O_RDWR);
    struct stat sb;
    fstat(fd, &sb);
    char *data = mmap(NULL, sb.st_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);

    // ¶ÁдÊý¾Ý

    munmap(data, sb.st_size);
    close(fd);

    return 0;
}

µÇ¼ºó¸´ÖÆ

Èý¡¢´ÅÅÌÐÔÄÜÓÅ»¯

ʹÓôÅÅÌÕóÁÐ(RAID)

RAIDÊÖÒÕ¿ÉÒÔ½«¶à¸ö´ÅÅÌ×éºÏ³ÉÒ»¸öÂß¼­¾í£¬Ìá¸ß´ÅÅÌI/OµÄЧÂʺÍÈÝ´íÐÔ¡£ÒÔÏÂÊÇÒ»¸ö¼òÆÓµÄRAIDÉèÖãº

# ½¨ÉèRAID×°±¸
mdadm --create /dev/md0 --level=5 --raid-devices=4 /dev/sda1 /dev/sdb1 /dev/sdc1 /dev/sdd1

# ÃûÌû¯RAID×°±¸
mkfs.ext4 /dev/md0

# ¹ÒÔØRAID×°±¸
mount /dev/md0 /mnt

µÇ¼ºó¸´ÖÆ

ʹÓÃÎļþϵͳµÄÓÅ»¯Ñ¡Ïî

ÎļþϵͳµÄÓÅ»¯Ñ¡Ïî¿ÉÒÔÌá¸ß´ÅÅÌÐÔÄÜ¡£ÒÔÏÂÊÇһЩ³£ÓõÄÎļþϵͳÓÅ»¯Ñ¡Ï

¹Ø±Õ²»ÐëÒªµÄÈÕÖ¾¹¦Ð§¡£

ÆôÓÃд»º´æºÍ¶Á»º´æ¡£

µ÷½âÎļþϵͳµÄ¿é¾Þϸ¡£

½áÂÛ£º

ͨ¹ýÓÅ»¯LinuxЧÀÍÆ÷µÄCPUÐÔÄÜ¡¢ÄÚ´æÐÔÄܺʹÅÅÌÐÔÄÜ£¬¿ÉÒÔÌá¸ßЧÀÍÆ÷µÄÐÔÄܺÍ×ÊԴʹÓÃЧÂÊ¡£±¾ÎÄÌṩÁËһЩÓÅ»¯ÒªÁ죬²¢¸ø³öÁËÏêϸµÄ´úÂëʾÀý¡£Ï£Íû¶ÁÕßÄܹ»½è¼øÕâЩҪÁ죬²¢Æ¾Ö¤ÏÖÕæÏàÐξÙÐÐÓÅ»¯¡£

ÒÔÉϾÍÊÇÔõÑùÓÅ»¯LinuxЧÀÍÆ÷µÄÐÔÄÜÓë×ÊԴʹÓõÄÏêϸÄÚÈÝ£¬¸ü¶àÇë¹Ø×¢±¾ÍøÄÚÆäËüÏà¹ØÎÄÕ£¡

ÃâÔð˵Ã÷£ºÒÔÉÏչʾÄÚÈÝȪԴÓÚÏàÖúýÌå¡¢ÆóÒµ»ú¹¹¡¢ÍøÓÑÌṩ»òÍøÂçÍøÂçÕûÀí£¬°æȨÕùÒéÓë±¾Õ¾Î޹أ¬ÎÄÕÂÉæ¼°¿´·¨Óë¿´·¨²»´ú±í×ðÁú¿­Ê±ÂËÓÍ»úÍø¹Ù·½Ì¬¶È£¬Çë¶ÁÕß½ö×ö²Î¿¼¡£±¾ÎĽӴýתÔØ£¬×ªÔØÇë˵Ã÷À´ÓÉ¡£ÈôÄúÒÔΪ±¾ÎÄÇÖÕ¼ÁËÄúµÄ°æȨÐÅÏ¢£¬»òÄú·¢Ã÷¸ÃÄÚÈÝÓÐÈκÎÉæ¼°ÓÐÎ¥¹«µÂ¡¢Ã°·¸Ö´·¨µÈÎ¥·¨ÐÅÏ¢£¬ÇëÄúÁ¬Ã¦ÁªÏµ×ðÁú¿­Ê±ÊµÊ±ÐÞÕý»òɾ³ý¡£

Ïà¹ØÐÂÎÅ

ÁªÏµ×ðÁú¿­Ê±

18523999891

¿É΢ÐÅÔÚÏß×Éѯ

ÊÂÇéʱ¼ä£ºÖÜÒ»ÖÁÖÜÎ壬9:30-18:30£¬½ÚãåÈÕÐÝÏ¢

QR code
¡¾ÍøÕ¾µØͼ¡¿¡¾sitemap¡¿