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ELB Pre-warm ½ÅûÀº ¾î¶»°Ô Çϴ°¡?

 
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¿Ã¸®±â¿Ã·ÁÁü: 2015.2.05 ¸ñ, 5:16 pm    ÁÖÁ¦: ELB Pre-warm ½ÅûÀº ¾î¶»°Ô Çϴ°¡? Àοë°ú ÇÔ²² ´äº¯

ELB ´Â ¿äû·®ÀÌ Áõ°¡ÇÔ¿¡ µû¶ó Scale(up, out) ÀÌ Â÷±ÙÂ÷±Ù ÀÌ·ç¾îÁø´Ù.
¾Æ¸¶Á¸¿¡¼­´Â ÀÌ Scale system À¸·Î ´ëºÎºÐÀÇ °æ¿ì »çÀü¿¡ ELBÀÇ ¿ë·®À» ³ôÇô ³õÀ» ÇÊ¿ä´Â ¾ø´Ù°í ÇÑ´Ù.(pre-warm Àº ELB ÀÇ capacity¸¦ »çÀü¿¡ ³ôÇô ³õ´Â °ÍÀ» ¸»ÇÑ´Ù.)

Àοë:
Amazon ELB is able to handle the vast majority of use cases for our customers without requiring "pre-warming" (configuring the load balancer to have the appropriate level of capacity based on expected traffic).


±×·¯³ª, flash Æ®·¡ÇÈÀ̳ª Á¡ÁøÀûÀ¸·Î Æ®·¡ÇÈÀ» Áõ°¡½Ãų¼ö ¾ø´Â load Å×½ºÆ®ÀÇ °æ¿ì¿¡´Â Pre-warm À» À§ÇØ ¾Æ¸¶Á¸¿¡ contact Çϱ⸦ ÃßõÇÑ´Ù°í ÇÑ´Ù.

Àοë:
In certain scenarios, such as when flash traffic is expected, or in the case where a load test cannot be configured to gradually increase traffic, we recommend that you contact us to have your load balancer "pre-warmed".



±×·¯¸é ÀÌ·¸°Ô ±Þ°ÝÇÑ Æ®·¢ÇÈÀÌ ¿¹»ó µÇ´Â(flash traffic/load test) °æ¿ì ¾î¶»°Ô Pre-warmÀ» ¿äûÇÏ¿©¾ß Çϴ°¡? ¸î °¡Áö Ç׸ñÀÌ Çʼö·Î ÇÊ¿äÇÏ´Ù. ÀÌ Ç׸ñÀº ¾Æ·¡¿Í °°´Ù.

    1. ELB¸¦ »ç¿ëÇÏ·Á´Â ¸ðµç AZ(Available Zone)¿¡ Instance ½º°¡ In service »óÅ·ΠÇϳªÀÌ»óÀÌ ²À ÀÖ¾î¾ß ÇÕ´Ï´Ù.
    2. TPS
    3. ¿äû½Ã(request/response pair) ELB ¿¡¼­ 󸮵Ǵ µ¥ÀÌÅÍÀÇ Æò±Õ ¾ç
    4. Backend Instance ÀÇ Keep-alive ¿©ºÎ
    5. SSL Æ®·¡ÇÈ ºñÀ²
    6. Pre-warmÀ» ÇÒ ±â°£(start-end)
    7. use case(¿Ö ¿äûÇϴ°¡?)
    8. Backend Instance Áõ¼³ ¿©ºÎ(½ÇÁ¦ ó¸®ÇÏ´Â Backend Instance °¡ Pre-warm ¿äûÇÏ´Â ¾çÀ» ó¸®ÇÒ ¼ö ÀÖ´ÂÁö¸¦ È®ÀÎ ÇÑ´Ù.)


use case ºÎºÐÀÌ ÀûÀýÇÏ¿©¾ß ÇÏ¸ç »êÁ¤ÇÑ ±Ô¸ð¿¡ ¸Â°Ô Backend Instance°¡ ÁغñµÇ¾î ÀÖ´Ù¸é ¹®Á¦ ¾øÀÌ Çã¿ëµÉ °ÍÀ¸·Î º¸ÀδÙ. Backend Instance°¡ ±Ô¸ð¿¡ ¸Â°Ô ÁغñµÇ¾î ÀÖÁö ¾Ê´Ù¸é ¾Æ¸¶µµ ¾Æ¸¶Á¸ÀÌ Pre-warmÀ» ÇØÁÖÁö ¾ÊÀ» °ÍÀÌ´Ù. »êÁ¤µÈ ±Ô¸ð¿¡ ¸Â°Ô Backend Instance°¡ ¾ø´Ù¸é ¾Æ¸¶Á¸ ÀÔÀå¿¡¼± Pre-warmÀÌ Àǹ̰¡ ¾ø°í ºñ¿ë¸¸ ³¶ºñÇÏ´Â °ÍÀÏÅ״ϱî

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