{"id":182,"date":"2025-07-02T21:07:23","date_gmt":"2025-07-02T18:07:23","guid":{"rendered":"https:\/\/www.ertanerbek.com\/?p=182"},"modified":"2025-07-02T21:07:23","modified_gmt":"2025-07-02T18:07:23","slug":"async-io-performans-karsilastirmasi-io_uring-vs-native-vs-threads","status":"publish","type":"post","link":"https:\/\/www.ertanerbek.com\/?p=182","title":{"rendered":"Async IO Performans Kar\u015f\u0131la\u015ft\u0131rmas\u0131 | io_uring vs Native vs Threads"},"content":{"rendered":"\n

Test Edilen I\/O Motorlar\u0131<\/h2>\n\n\n\n
Y\u00f6ntem<\/strong><\/strong><\/td>Tan\u0131m<\/strong><\/strong><\/td>Avantajlar<\/strong><\/strong><\/td>Dezavantajlar<\/strong><\/strong><\/td><\/tr><\/thead>
io_uring<\/strong><\/td>Linux 5.1+ ile gelen modern async I\/O API. System call overhead\u2019ini azalt\u0131r.<\/td>D\u00fc\u015f\u00fck gecikme, y\u00fcksek throughput<\/td>CPU yo\u011funlu\u011fu, y\u00fcksek y\u00fckte performans d\u00fc\u015f\u00fc\u015f\u00fc<\/td><\/tr>
Native AIO<\/strong><\/td>Geleneksel POSIX AIO aray\u00fcz\u00fc. System call ile \u00e7al\u0131\u015f\u0131r.<\/td>Kararl\u0131 yap\u0131, d\u00fc\u015f\u00fck latency<\/td>Baz\u0131 senaryolarda bloklama riski<\/td><\/tr>
Threads<\/strong><\/td>Her I\/O i\u015flemi ayr\u0131 bir thread ile y\u00fcr\u00fct\u00fcl\u00fcr.<\/td>Basit yap\u0131, paralel i\u015flem avantaj\u0131<\/td>Y\u00fcksek context switch, CPU t\u00fcketimi<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
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Test Metrikleri ve Bulgular<\/h2>\n\n\n\n
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  • Throughput Kar\u015f\u0131la\u015ft\u0131rmas\u0131<\/strong>:<\/li>\n<\/ul>\n\n\n\n
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    • io_uring, d\u00fc\u015f\u00fck queue depth\u2019te y\u00fcksek performans sunarken, y\u00fcksek y\u00fck alt\u0131nda native AIO daha stabil kald\u0131.<\/li>\n\n\n\n
    • Threads y\u00f6ntemi, k\u00fc\u00e7\u00fck i\u015f y\u00fcklerinde yeterli olsa da b\u00fcy\u00fck veri transferlerinde verim d\u00fc\u015f\u00fcyor.<\/li>\n\n\n\n
    • IOPS ve Bant Geni\u015fli\u011fi<\/strong>:<\/li>\n<\/ul>\n\n\n\n
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      • io_uring, QD=2 seviyesinde native AIO\u2019ya g\u00f6re %10\u2019a kadar daha iyi IOPS sa\u011flad\u0131.<\/li>\n\n\n\n
      • Ancak QD=128 gibi y\u00fcksek derinliklerde io_uring performans kayb\u0131 ya\u015fad\u0131.<\/li>\n\n\n\n
      • CPU Kullan\u0131m\u0131<\/strong>:<\/li>\n<\/ul>\n\n\n\n
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        • io_uring, d\u00fc\u015f\u00fck latency i\u00e7in CPU\u2019yu daha agresif kullan\u0131yor.<\/li>\n\n\n\n
        • Threads y\u00f6ntemi, y\u00fcksek context switch nedeniyle CPU verimlili\u011fini d\u00fc\u015f\u00fcr\u00fcyor.<\/li>\n\n\n\n
        • Sanalla\u015ft\u0131rma Uyumlulu\u011fu<\/strong>:<\/li>\n<\/ul>\n\n\n\n
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          • Native AIO, iSCSI ve raw block storage gibi do\u011frudan eri\u015fimli sistemlerde daha uyumlu.<\/li>\n\n\n\n
          • io_uring, file-based storage (NFS, ZFS) gibi yap\u0131larda IOThreads ile birlikte \u00f6neriliyor.<\/li>\n<\/ul>\n\n\n\n
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            Yapay Zeka Yorumlar\u0131<\/strong><\/h2>\n\n\n\n
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            • io_uring<\/strong>, d\u00fc\u015f\u00fck gecikme ve modern mimarisiyle k\u0131sa s\u00fcreli yo\u011fun i\u015f y\u00fcklerinde \u00f6ne \u00e7\u0131k\u0131yor.<\/li>\n\n\n\n
            • Native AIO<\/strong>, uzun s\u00fcreli ve stabil performans gerektiren sistemlerde tercih edilmeli.<\/li>\n\n\n\n
            • Threads<\/strong>, legacy sistemlerde veya basit senaryolarda yeterli olabilir ancak y\u00fcksek performans beklentisi olan yap\u0131larda \u00f6nerilmez.<\/li>\n<\/ul>\n\n\n\n
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