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Varnish ã® storage backend ã«ã¤ã㦠ãã£ãã·ã¥ãµã¼ãã® Varnish ã§ã¯ãã£ãã·ã¥ã®ä¿åå ã¨ã㦠malloc(ãã£ãã·ã¥ã RAM ã«åã¾ãéãã¯é«éã ããRAM ããããµããã¨ã¹ã¯ããã¢ã¦ããã¦é常ã«é ããªã) file(mmap ã§ä»®æ³ã¡ã¢ãªãå²ãå½ã¦ãHDD ã®ãã㪠disk I/O ãé ãããã¤ã¹ã§ã¯é常ã«é ã) persistent (Varnish 4 ããéæ¨å¥¨ãããã®ã§å²æ) ã®3種é¡ããé¸ã¹ãã ãã¥ã¼ãã³ã°ã®ãã¼ã¸ã«ã¯ When choosing storage backend, the rule of thumb is to use malloc if your cache will be contained entirely or mostly in memory, while the file storage backend pe
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Varnish Cache is by default tuned for high performance on the majority of  production use cases. Following tuning points and best practices are suggested based on our experience in AWS. 64 bit Instance Type for Varnish : Varnish needs lots of memory to perform better. If you have lots of cache items and less memory , tuning will not help much . So better run your Varnish on 64 bit instances with l
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