{"id":12042,"date":"2022-08-08T17:36:55","date_gmt":"2022-08-08T10:36:55","guid":{"rendered":"https:\/\/www.thegioimaychu.vn\/blog\/?p=12042"},"modified":"2022-08-08T17:36:55","modified_gmt":"2022-08-08T10:36:55","slug":"chon-cpu-nao-tot-nhat-cho-he-thong-ao-hoa","status":"publish","type":"post","link":"https:\/\/thegioimaychu.vn\/blog\/tong-hop\/chon-cpu-nao-tot-nhat-cho-he-thong-ao-hoa-p12042\/","title":{"rendered":"Ch\u1ecdn CPU n\u00e0o t\u1ed1t nh\u1ea5t cho h\u1ec7 th\u1ed1ng \u1ea3o h\u00f3a?"},"content":{"rendered":"<style>.iblink{color:#975!important;}.iblink:hover{color:orange!important;}<\/style><p class=\"main-article-subtitle\"><strong><em>Vi\u1ec7c l\u1ef1a ch\u1ecdn CPU ph\u00f9 h\u1ee3p cho c\u00e1c h\u1ea1 t\u1ea7ng \u1ea3o h\u00f3a ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1, bao g\u1ed3m t\u1eadp h\u1ee3p c\u00e1c t\u00ednh n\u0103ng v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ph\u1ea7n c\u1ee9ng. Ngo\u00e0i ra, c\u1ea5u h\u00ecnh ph\u00f9 h\u1ee3p c\u1ee7a t\u00e0i nguy\u00ean x\u1eed l\u00fd c\u0169ng r\u1ea5t quan tr\u1ecdng.<\/em><\/strong><\/p>\n<p>Vi\u1ec7c ch\u1ecdn m\u1ed9t CPU cho \u1ea3o h\u00f3a v\u00e0 c\u1ea5u h\u00ecnh n\u00f3 \u0111\u00fang c\u00e1ch c\u0169ng quan tr\u1ecdng nh\u01b0 vi\u1ec7c ch\u1ecdn c\u00e1c t\u00e0i nguy\u00ean b\u1ed9 nh\u1edb, l\u01b0u tr\u1eef v\u00e0 m\u1ea1ng.\u00a0M\u1ed9t vi x\u1eed l\u00fd kh\u00f4ng ph\u00f9 h\u1ee3p ho\u1eb7c \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh sai c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ba th\u00e0nh ph\u1ea7n c\u00f2n l\u1ea1i.<\/p>\n<p>Hi\u1ec7u su\u1ea5t m\u00e1y \u1ea3o (VM) c\u0169ng ch\u1ee7 y\u1ebfu d\u1ef1a v\u00e0o c\u00e1c t\u00e0i nguy\u00ean CPU, b\u1ed9 nh\u1edb, l\u01b0u tr\u1eef v\u00e0 m\u1ea1ng \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u00fang c\u00e1ch.\u00a0C\u00e1c t\u00e0i nguy\u00ean vi x\u1eed l\u00fd th\u01b0\u1eddng l\u00e0 si\u00eau ph\u00e2n lu\u1ed3ng (hyper-threaded) v\u00e0 over-provisioned \u1edf m\u1ee9c \u0111\u1ed9 c\u00f3 th\u1ec3 g\u00e2y b\u1ea5t l\u1ee3i. Tuy nhi\u00ean, tr\u01b0\u1edbc khi b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t \u0111\u1ec3 c\u1ea5u h\u00ecnh nh\u1eb1m tr\u00e1nh ch\u00fang, b\u1ea1n ph\u1ea3i ch\u1ecdn m\u1ed9t CPU \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a m\u00ecnh tr\u01b0\u1edbc ti\u00ean.<\/p>\n<p>Ph\u1ea7n l\u1edbn\u00a0quy\u1ebft \u0111\u1ecbnh \u0111\u1eb1ng sau vi\u1ec7c ch\u1ecdn CPU n\u00e0o &#8211; ngo\u00e0i v\u1ea5n \u0111\u1ec1 chi ph\u00ed &#8211; n\u00f3 c\u00f2n ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i t\u1ea3i c\u00f4ng vi\u1ec7c \u0111ang \u0111\u01b0\u1ee3c ch\u1ea1y.\u00a0M\u1ed9t s\u1ed1 vi x\u1eed l\u00fd ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a qu\u1ea3n l\u00fd b\u1ed9 nh\u1edb, trong khi m\u1ed9t s\u1ed1 kh\u00e1c cung c\u1ea5p h\u1ed7 tr\u1ee3 t\u1ed1t h\u01a1n cho c\u00e1c thi\u1ebft b\u1ecb I\/O.<\/p>\n<h3>\u1ea2o h\u00f3a CPU l\u00e0 g\u00ec?<\/h3>\n<p>\u1ea2o h\u00f3a CPU l\u00e0 qu\u00e1 tr\u00ecnh tr\u1eebu t\u01b0\u1ee3ng h\u00f3a t\u00e0i nguy\u00ean c\u1ee7a vi x\u1eed l\u00fd v\u1eadt l\u00fd (physical) th\u00e0nh m\u1ed9t ho\u1eb7c nhi\u1ec1u \u0111\u01a1n v\u1ecb lu\u1eadn l\u00fd (logical) m\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c g\u00e1n cho c\u00e1c t\u1ea3i c\u00f4ng vi\u1ec7c kh\u00e1c nhau. C\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u00f3 quy\u1ec1n truy c\u1eadp tr\u1ef1c ti\u1ebfp \u0111\u1ebfn t\u00e0i nguy\u00ean ph\u1ea7n c\u1ee9ng, nh\u01b0ng v\u1edbi \u1ea3o h\u00f3a, ph\u1ea7n m\u1ec1m \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi c\u00e1i t\u00ean hypervisor &#8211;\u00a0 s\u1ebd tr\u1eebu t\u01b0\u1ee3ng c\u00e1c t\u00e0i nguy\u00ean \u0111\u00f3 \u0111\u1ec3 ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb IT c\u00f3 th\u1ec3 cung c\u1ea5p v\u00e0 s\u1eed d\u1ee5ng ch\u00fang hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n<p>B\u1ea1n c\u00f3 th\u1ec3 ch\u1ec9 \u0111\u1ecbnh m\u1ed9t ho\u1eb7c nhi\u1ec1u CPU \u1ea3o (vCPU) cho m\u1ed9t m\u00e1y \u1ea3o, t\u00f9y thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 thi\u00ean v\u1ec1 x\u1eed l\u00fd c\u1ee7a c\u00e1c t\u1ea3i c\u00f4ng vi\u1ec7c.\u00a0C\u00e1c t\u00e0i nguy\u00ean vi x\u1eed l\u00fd v\u1eadt l\u00fd b\u00ean d\u01b0\u1edbi v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 nh\u01b0 nhau cho d\u00f9 b\u1ea1n s\u1eed d\u1ee5ng m\u00e1y v\u1eadt l\u00fd hay m\u00e1y \u1ea3o, hypervisor s\u1ebd tr\u1eebu t\u01b0\u1ee3ng h\u00f3a m\u1ed7i CPU v\u1eadt l\u00fd th\u00e0nh m\u1ed9t ho\u1eb7c nhi\u1ec1u vCPU \u0111\u1ec3 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng g\u00e1n cho c\u00e1c workload.\u00a0Vi\u1ec7c g\u00e1n v\u00e0 ph\u00e2n b\u1ed5 l\u1ea1i c\u00e1c t\u00e0i nguy\u00ean \u0111\u00f3 d\u1ec5 d\u00e0ng h\u01a1n khi ch\u00fang \u0111\u01b0\u1ee3c \u1ea3o h\u00f3a.<\/p>\n<p>Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00e2n nh\u1eafc \u0111\u1ec3 ch\u1ecdn v\u00e0 c\u1ea5u h\u00ecnh CPU cho \u1ea3o h\u00f3a.<\/p>\n<h3>So s\u00e1nh c\u00e1c d\u00f2ng vi x\u1eed l\u00fd: AMD v\u00e0 Intel<\/h3>\n<p>C\u00e1c lo\u1ea1i vi x\u1eed l\u00fd, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c lo\u1ea1i do Intel v\u00e0\u00a0AMD\u00a0cung c\u1ea5p v\u00e0 c\u00e1c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng c\u1ee5 th\u1ec3 c\u1ee7a ch\u00fang \u0111\u01b0\u1ee3c ph\u00e2n bi\u1ec7t b\u1eb1ng c\u00e1c t\u1eeb vi\u1ebft t\u1eaft \u0111\u1ea1i di\u1ec7n cho c\u00e1c t\u1eadp l\u1ec7nh v\u00e0 l\u1ec7nh \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 t\u1eadp trung v\u00e0o \u1ea3o h\u00f3a c\u1ee7a vi x\u1eed l\u00fd.\u00a0V\u00ed d\u1ee5, c\u00e1c tri\u1ec3n khai Intel VT bao g\u1ed3m VT-x, VT-i, VT-d v\u00e0 VT-c v\u00e0 AMD l\u00e0 AMD-V v\u00e0 AMD-Vi.<\/p>\n<p>M\u1ed9t trong nh\u1eefng c\u00e1ch ti\u1ebfp c\u1eadn t\u1ed1t nh\u1ea5t \u0111\u1ec3 ch\u1ecdn CPU ph\u00f9 h\u1ee3p cho \u1ea3o h\u00f3a n\u1eb1m \u1edf vi\u1ec7c x\u00e1c \u0111\u1ecbnh c\u00e1c t\u00ednh n\u0103ng c\u1ee5 th\u1ec3 m\u00e0 b\u1ea1n mu\u1ed1n tri\u1ec3n khai trong m\u00f4i tr\u01b0\u1eddng \u1ea3o c\u1ee7a m\u00ecnh.\u00a0Vi\u1ec7c l\u1ef1a ch\u1ecdn hypervisor v\u00e0 s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a n\u00f3 cho c\u00e1c vi x\u1eed l\u00fd c\u1ee5 th\u1ec3 &#8211; c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c l\u1ef1a ch\u1ecdn b\u1ed9 x\u1eed l\u00fd cho \u1ea3o h\u00f3a.<\/p>\n<p>M\u1ed9t t\u00ednh n\u0103ng m\u00e0 c\u1ea3 Intel v\u00e0 AMD \u0111\u1ec1u cung c\u1ea5p l\u00e0 c\u00e1ch ly kh\u00f4ng gian b\u1ed9 nh\u1edb th\u00f4ng qua c\u00e1c no-execute (NX) v\u00e0 execute disable (XD) bit t\u01b0\u01a1ng \u1ee9ng, gi\u00fap b\u1ea3o v\u1ec7 c\u00e1c m\u00e1y \u1ea3o kh\u1ecfi ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i.\u00a0C\u00e1c bit NX v\u00e0 XD \u0111\u1ea3m b\u1ea3o r\u1eb1ng CPU t\u1eeb ch\u1ed1i ch\u1ea1y code trong c\u00e1c khu v\u1ef1c \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2022\/08\/tgmc-blog-62f0e7514d067.png\" alt=\"\" \/><\/p>\n<p>C\u00e1c t\u00ednh n\u0103ng kh\u00e1c c\u1ee7a CPU quan tr\u1ecdng \u0111\u1ed1i v\u1edbi \u1ea3o h\u00f3a l\u00e0 c\u00e1c l\u1ec7nh Load AH from Flags (LAHF) v\u00e0 Save AH to Flags (SAHF) v\u00e0 c\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng \u1ea3o h\u00f3a.\u00a0C\u00e1c l\u1ec7nh LAHF v\u00e0 SAHF cho ph\u00e9p ki\u1ec3m so\u00e1t n\u1ed9i dung thanh ghi, trong khi c\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng \u1ea3o h\u00f3a cung c\u1ea5p vi\u1ec7c s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean t\u1ed1t h\u01a1n.\u00a0Ch\u1ecdn ph\u1ea7n c\u1ee9ng ph\u00f9 h\u1ee3p\u00a0l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u1ea3i c\u00f4ng vi\u1ec7c \u1ea3o ch\u1ea1y \u1edf hi\u1ec7u su\u1ea5t cao nh\u1ea5t.<\/p>\n<h3>T\u1eaft hyper-threading \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng hi\u1ec7u su\u1ea5t<\/h3>\n<p>B\u01b0\u1edbc ti\u1ebfp theo l\u00e0 ch\u1eafn ch\u1eafn b\u1ea1n s\u1eed d\u1ee5ng CPU c\u1ee7a m\u00ecnh m\u1ed9t c\u00e1ch t\u1ed1t nh\u1ea5t.\u00a0X\u00e1c \u0111\u1ecbnh nh\u1eefng t\u00ednh n\u0103ng n\u00e0o c\u1ea7n t\u1eadn d\u1ee5ng v\u00e0 nh\u1eefng t\u00ednh n\u0103ng n\u00e0o c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u su\u1ea5t trong t\u01b0\u01a1ng lai.\u00a0Hyper-threading l\u00e0 m\u1ed9t t\u00ednh n\u0103ng c\u1ee7a CPU c\u00f3 ch\u1ee9c n\u0103ng t\u1ed5 ch\u1ee9c v\u00e0 &#8220;x\u1ebfp l\u1ecbch&#8221;\u00a0cho c\u00e1c lu\u1ed3ng \u1ee9ng d\u1ee5ng,\u00a0nh\u01b0ng n\u00f3 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng l\u00e0 c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9 x\u1eed l\u00fd.\u00a0Hyper-threading ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn th\u1ee9 hai cho c\u00e1c b\u1ed9 t\u1eadp l\u1ec7nh \u0111\u1ec3 tr\u00e1nh l\u00e3ng ph\u00ed t\u00e0i nguy\u00ean.<\/p>\n<p>V\u1ea5n \u0111\u1ec1 v\u1edbi c\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y l\u00e0 b\u1ea3n th\u00e2n core CPU ch\u1ec9 c\u00f3 m\u1ed9t c\u00f4ng c\u1ee5 th\u1ef1c thi, do \u0111\u00f3 c\u00f3 th\u1ec3 x\u1ea3y ra tranh ch\u1ea5p t\u00e0i nguy\u00ean, g\u00e2y ra t\u1eafc ngh\u1ebdn hi\u1ec7u su\u1ea5t.\u00a0Thay v\u00ec s\u1eed d\u1ee5ng hyper-threading, h\u00e3y c\u00e2n nh\u1eafc b\u1ecf th\u00eam m\u1ed9t ph\u1ea7n chi ph\u00ed \u0111\u1ec3 c\u00f3 th\u00eam nhi\u1ec1u core h\u01a1n khi mua CPU \u0111\u1ec3 \u1ea3o h\u00f3a, n\u1ebfu c\u00f3 th\u1ec3.\u00a0S\u1ebd c\u00f3 hi\u1ec7u qu\u1ea3 h\u01a1n n\u1ebfu mua CPU nhi\u1ec1u core v\u00e0 v\u00f4 hi\u1ec7u h\u00f3a hyper-threading h\u01a1n l\u00e0 chia s\u1ebb \u00edt l\u00f5i h\u01a1n gi\u1eefa c\u00e1c t\u1ea3i c\u00f4ng vi\u1ec7c th\u00f4ng qua n\u00f3.<\/p>\n<p>Ngay c\u1ea3 khi b\u1ea1n kh\u00f4ng g\u1eb7p v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u su\u1ea5t do si\u00eau ph\u00e2n lu\u1ed3ng, vi\u1ec7c c\u00f3 nhi\u1ec1u l\u00f5i t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi s\u1ee9c m\u1ea1nh t\u1ed5ng th\u1ec3 c\u1ee7a CPU nhi\u1ec1u h\u01a1n \u0111\u1ec3 \u01b0u ti\u00ean v\u00e0 th\u1ef1c thi c\u00e1c t\u1eadp l\u1ec7nh.<\/p>\n<h3>Gi\u1ea3m thi\u1ec3u t\u00e0i nguy\u00ean d\u01b0 th\u1eeba (overhead) do \u1ea3o h\u00f3a v\u1edbi SLAT<\/h3>\n<p>M\u1ed9t v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn v\u1edbi \u1ea3o h\u00f3a l\u00e0 l\u01b0\u1ee3ng t\u00e0i nguy\u00ean d\u01b0 th\u1eeba n\u00f3 y\u00eau c\u1ea7u \u0111\u1ec3 li\u00ean t\u1ee5c d\u1ecbch (translate) gi\u1eefa kh\u00f4ng gian b\u1ed9 nh\u1edb v\u1eadt l\u00fd v\u00e0 \u1ea3o.\u00a0L\u1edbp ph\u1ea7n m\u1ec1m mang t\u1ea1o s\u1ef1 d\u01b0 th\u1eeba c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m t\u00e0i nguy\u00ean kh\u1ea3 d\u1ee5ng cho m\u00e1y \u1ea3o. Second Level Address Translation\u00a0(SLAT) &#8211; m\u1ed9t t\u00ednh n\u0103ng c\u1ee7a b\u1ed9 x\u1eed l\u00fd m\u00e0 Intel g\u1ecdi l\u00e0 Extended Page Tables v\u00e0 AMD g\u1ecdi l\u00e0 Rapid Virtualization Indexing ho\u1eb7c Nested Page Tables &#8211;\u00a0gi\u1ea3m c\u00e1c overhead \u0111\u00f3, gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t \u1ea3o h\u00f3a.<\/p>\n<p>SLAT lo\u1ea1i b\u1ecf c\u00f4ng vi\u1ec7c l\u1eb7p \u0111i l\u1eb7p l\u1ea1i b\u1eb1ng c\u00e1ch th\u00eam cache cho c\u00e1c trang b\u1ea3ng mapping virtual-to-physical g\u1ea7n \u0111\u00e2y m\u00e0 hypervisor \u0111\u00e3 t\u1ea1o ra.\u00a0N\u1ebfu th\u00f4ng tin mapping \u0111\u00e3 t\u1ed3n t\u1ea1i trong cache, th\u00ec c\u00e1c t\u00e0i nguy\u00ean CPU v\u00e0 b\u1ed9 nh\u1edb l\u00e0 kh\u00f4ng c\u1ea7n thi\u1ebft cho vi\u1ec7c d\u1ecbch.\u00a0M\u1ee9c \u0111\u1ed9 overhead ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o t\u1ea3i c\u00f4ng vi\u1ec7c c\u1ee5 th\u1ec3.\u00a0Ngo\u00e0i ra, m\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng y\u00eau c\u1ea7u b\u1ea1n b\u1eadt h\u1ed7 tr\u1ee3 SLAT trong\u00a0BIOS\u00a0\u0111\u1ec3 t\u1eadn d\u1ee5ng t\u00ednh n\u0103ng n\u00e0y.<\/p>\n<h3>Cung c\u1ea5p \u0111\u1ee7 t\u00e0i nguy\u00ean vCPU cho t\u1ea3i c\u00f4ng vi\u1ec7c tr\u00ean VM<\/h3>\n<p>T\u1ea3i c\u00f4ng vi\u1ec7c y\u00eau c\u1ea7u \u0111\u00f2i h\u1ecfi m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn s\u00e1ng t\u1ea1o \u0111\u1ec3\u00a0ph\u00e2n b\u1ed5 t\u00e0i nguy\u00ean b\u1ed9 x\u1eed l\u00fd\u00a0v\u00e0 \u1ea3o h\u00f3a CPU.\u00a0M\u1ecdi \u1ee9ng d\u1ee5ng &#8211; v\u00e0 c\u00e1c y\u00eau c\u1ea7u t\u00ednh to\u00e1n c\u1ee7a n\u00f3 l\u00e0 kh\u00e1c nhau.\u00a0H\u1ea7u h\u1ebft c\u00e1c m\u00e1y \u1ea3o ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng v\u1edbi m\u1ed9t vCPU, nh\u01b0ng \u0111\u1ed1i v\u1edbi c\u00e1c kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c \u0111\u00f2i h\u1ecfi nhi\u1ec1u s\u1ee9c m\u1ea1nh h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e1y ch\u1ee7 c\u01a1 s\u1edf d\u1eef li\u1ec7u ho\u1eb7c email, b\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n \u0111\u1ebfn b\u1ed1n vCPU &#8211; \u0111\u00f4i khi c\u00f2n nhi\u1ec1u h\u01a1n.<\/p>\n<p>\u0110\u1ec3 b\u1eaft \u0111\u1ea7u, h\u00e3y cung c\u1ea5p s\u1ed1 l\u01b0\u1ee3ng b\u1ed9 x\u1eed l\u00fd \u1ea3o gi\u1ed1ng nh\u01b0 y\u00eau c\u1ea7u c\u1ee7a b\u1ed9 x\u1eed l\u00fd v\u1eadt l\u00fd m\u00e0 \u1ee9ng d\u1ee5ng c\u1ea7n.\u00a0N\u1ebfu \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u hai CPU v\u1eadt l\u00fd, h\u00e3y ch\u1ec9 \u0111\u1ecbnh hai vCPU cho n\u00f3 v\u00e0 theo d\u00f5i hi\u1ec7u su\u1ea5t \u0111\u1ec3 xem n\u00f3 c\u00f3 c\u1ea7n th\u00eam hay kh\u00f4ng.\u00a0Ngo\u00e0i ra, n\u1ebfu kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c \u0111\u1eb7c bi\u1ec7t kh\u1eaft khe, h\u00e3y ch\u1ec9 \u0111\u1ecbnh vCPU t\u1eeb c\u00e1c l\u00f5i kh\u00e1c nhau \u0111\u1ec3 c\u00e2n b\u1eb1ng t\u1ea3i.\u00a0Vi\u1ec7c \u00e1p d\u1ee5ng c\u00e1c quy t\u1eafc affinity v\u00e0 anti-affinity c\u00f3 th\u1ec3 gi\u00fap ch\u1ec9 \u0111\u1ecbnh nh\u1eefng CPU n\u00e0o m\u00e0 m\u1ed9t m\u00e1y \u0111\u01a1n l\u1ebb n\u00ean v\u00e0 kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng.<\/p>\n<h3>Xem x\u00e9t th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ph\u1ea7n c\u1ee9ng v\u1edbi c\u00e1c m\u1ee5c ti\u00eau trong suy ngh\u0129<\/h3>\n<p>Khi ch\u1ecdn m\u1ed9t m\u00e1y ch\u1ee7 v\u1eadt l\u00fd \u0111\u1ec3 \u1ea3o h\u00f3a, h\u00e3y xem x\u00e9t CPU, memory, storage v\u00e0 I\/O network.\u00a0T\u1ea5t c\u1ea3 b\u1ed1n y\u1ebfu t\u1ed1 n\u00e0y l\u00e0\u00a0ch\u00eca kh\u00f3a \u0111\u1ec3 h\u1ee3p nh\u1ea5t m\u00e1y ch\u1ee7.\u00a0V\u1ec1 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a CPU, \u0111\u00e1nh gi\u00e1 s\u1ed1 l\u01b0\u1ee3ng core, k\u00edch th\u01b0\u1edbc cache b\u00ean trong v\u00e0 t\u1ed1c \u0111\u1ed9 xung nh\u1ecbp.<\/p>\n<p>X\u00e1c \u0111\u1ecbnh nh\u1eefng g\u00ec b\u1ea1n mu\u1ed1n \u0111\u1ea1t \u0111\u01b0\u1ee3c v\u1edbi h\u1ea1 t\u1ea7ng \u1ea3o c\u1ee7a m\u00ecnh v\u00e0 lo\u1ea1i kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c b\u1ea1n ch\u1ea1y khi ch\u1ecdn CPU cho \u1ea3o h\u00f3a.\u00a0N\u1ebfu m\u1ee5c ti\u00eau ch\u00ednh l\u00e0 gi\u1ea3m footprint, h\u00e3y s\u1eed d\u1ee5ng v\u1edbi s\u1ed1 l\u01b0\u1ee3ng core l\u1edbn h\u01a1n thay v\u00ec t\u1ed1c \u0111\u1ed9 xung nh\u1ecbp nhanh h\u01a1n.\u00a0Tuy nhi\u00ean, n\u1ebfu hi\u1ec7u su\u1ea5t t\u1ea3i c\u00f4ng vi\u1ec7c l\u00e0 m\u1ed1i quan t\u00e2m l\u1edbn h\u01a1n, th\u00ec t\u1ed1c \u0111\u1ed9 xung nh\u1ecbp nhanh h\u01a1n v\u00e0 \u00edt core h\u01a1n c\u00f3 th\u1ec3 c\u00f3 \u00fd ngh\u0129a h\u01a1n.<\/p>\n<p>Th\u00eam b\u1ed9 nh\u1edb v\u00e0 l\u01b0u tr\u1eef nhi\u1ec1u h\u01a1n c\u0169ng gi\u00fap h\u1ee3p nh\u1ea5t m\u00e1y ch\u1ee7, nh\u01b0ng k\u00edch th\u01b0\u1edbc b\u1ed9 nh\u1edb v\u00e0 l\u01b0u tr\u1eef ph\u1ea3i \u0111i li\u1ec1n theo nhu c\u1ea7u c\u1ee7a b\u1ea1n \u0111\u1ec3 tr\u00e1nh l\u00e3ng ph\u00ed t\u00e0i nguy\u00ean v\u1eadt l\u00fd.\u00a0Cu\u1ed1i c\u00f9ng, \u0111\u1ea3m b\u1ea3o b\u1ea1n c\u00f3 \u0111\u1ee7 b\u0103ng th\u00f4ng m\u1ea1ng \u0111\u1ec3 \u0111\u00e1p \u1ee9ng kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c \u1ea3o c\u1ee7a m\u00ecnh.<\/p>\n<h3>C\u00e1c CPU ph\u1ed5 bi\u1ebfn cho \u1ea3o h\u00f3a<\/h3>\n<p>Ba nh\u00e0 cung c\u1ea5p vi x\u1eed l\u00fd ch\u00ednh l\u00e0 Intel, AMD v\u00e0 IBM.\u00a0Sau \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 CPU ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a h\u1ecd d\u00e0nh cho \u1ea3o h\u00f3a trong doanh nghi\u1ec7p:<\/p>\n<ul>\n<li><strong>Intel 3rd Gen Xeon Scalable processors<\/strong>:\u00a0C\u00e1c CPU series 5000 c\u00f3 t\u1eeb 6 \u0111\u1ebfn 40 nh\u00e2n v\u00e0 6 \u0111\u1ebfn 80 lu\u1ed3ng.\u00a0Bronze l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn t\u1ed1t \u0111\u1ec3 tri\u1ec3n khai c\u00e1c m\u00e1y ch\u1ee7 c\u01a1 b\u1ea3n t\u1ea1i ch\u1ed7;\u00a0Silver v\u00e0 Gold c\u00f3 t\u1ed1c \u0111\u1ed9 b\u1ed9 nh\u1edb v\u00e0 s\u1ee9c m\u1ea1nh cao h\u01a1n, c\u0169ng nh\u01b0 nhi\u1ec1u t\u00ednh n\u0103ng b\u1ea3o m\u1eadt h\u01a1n v\u00e0 Platinum kh\u1ea3 d\u1ee5ng cho c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u c\u1ea5p doanh nghi\u1ec7p.<\/li>\n<li><strong>AMD 3rd Gen EPYC processors<\/strong>: C\u00e1c CPU series 7003 c\u00f3 t\u1eeb 8 \u0111\u1ebfn 64 nh\u00e2n v\u00e0 16 \u0111\u1ebfn 128 lu\u1ed3ng.\u00a0AMD c\u0169ng cung c\u1ea5p C\u00f4ng c\u1ee5 t\u00ednh to\u00e1n TCO \u1ea3o h\u00f3a m\u00e1y ch\u1ee7 c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n ch\u1ecdn vi x\u1eed l\u00fd \u0111\u00e1p \u1ee9ng t\u1ed1t nh\u1ea5t nhu c\u1ea7u c\u1ee7a m\u00ecnh.<\/li>\n<li><strong>IBM Power9 processors<\/strong>:\u00a0C\u00e1c vi x\u1eed l\u00fd Power9 c\u00f3 t\u1eeb 4 \u0111\u1ebfn 24 nh\u00e2n v\u00e0 IBM cung c\u1ea5p c\u00e1c t\u00f9y ch\u1ecdn scale-out v\u00e0 scale-up, s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 I\/O subsystem nh\u1eb1m t\u0103ng c\u01b0\u1eddng off-chip I\/O v\u00e0 t\u01b0\u01a1ng th\u00edch v\u1edbi ph\u1ea7n l\u1edbn c\u00e1c ti\u00eau chu\u1ea9n I\/O, bao g\u1ed3m NVIDIA NVLink 2.0, PCIe Gen4 v\u00e0 OpenCAPI.<\/li>\n<\/ul>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/RJ4kK8Po8DU?autoplay=0&amp;modestbranding=1&amp;rel=0&amp;widget_referrer=https:\/\/searchservervirtualization.techtarget.com\/feature\/Picking-the-right-CPU-for-virtualization&amp;enablejsapi=1&amp;origin=https:\/\/searchservervirtualization.techtarget.com\" width=\"560\" height=\"315\" frameborder=\"0\" data-mce-fragment=\"1\"><\/iframe><\/p>\n<p>B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n ch\u1ecdn v\u00e0 c\u1ea5u h\u00ecnh m\u1ed9t CPU, nh\u01b0ng v\u1eabn c\u00f2n nhi\u1ec1u \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 c\u00f4ng ngh\u1ec7 c\u1ee7a vi x\u1eed l\u00fd, ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1ef1 gi\u1edbi thi\u1ec7u\u00a0c\u00e1c chiplet cho kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng\u00a0v\u00e0 nh\u1eefng\u00a0c\u1ea3i ti\u1ebfn g\u1ea7n \u0111\u00e2y \u0111\u1ed1i v\u1edbi c\u00e1c t\u00ednh n\u0103ng hi\u1ec7n c\u00f3 c\u1ee7a CPU.<\/p>\n<p><em>Theo\u00a0<\/em>TechTarget<\/p>\n<div>____<br \/><b>B\u00e0i vi\u1ebft li\u00ean quan<\/b><\/div>\n<ul>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=21549\">AMD ra m\u1eaft EPYC 4005 Series: \u0110\u01b0a s\u1ee9c m\u1ea1nh doanh nghi\u1ec7p \u0111\u1ebfn v\u1edbi SMB<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=19833\">T\u1ed5ng quan v\u1ec1 Intel Xeon 6 &#8211; Vi x\u1eed l\u00fd th\u1ebf h\u1ec7 m\u1edbi cho Data Center<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=19706\">T\u0103ng t\u1ed1c cho h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef NAS QNAP v\u1edbi CPU, GPU, NPU v\u00e0 TPU<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=18813\">CPU Intel Xeon th\u1ebf h\u1ec7 th\u1ee9 5: Hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u cho m\u1ecdi workload<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=14425\">QNAP gi\u1edbi thi\u1ec7u NAS TVS-h874: T\u1ed1i \u01b0u cho \u1ee9ng d\u1ee5ng \u1ea3o h\u00f3a v\u1edbi Vi x\u1eed l\u00fd Intel Core i9 16 nh\u00e2n<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=14302\">Intel ra m\u1eaft B\u1ed9 x\u1eed l\u00fd Xeon Scalable th\u1ebf h\u1ec7 th\u1ee9 4 &#8211; Sapphire Rapids<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Vi&#7879;c l&#7921;a ch&#7885;n CPU ph&ugrave; h&#7907;p cho c&aacute;c h&#7841; t&#7847;ng &#7843;o h&oacute;a ph&#7909; thu&#7897;c v&agrave;o nhi&#7873;u y&#7871;u t&#7889;, bao g&#7891;m t&#7853;p h&#7907;p c&aacute;c t&iacute;nh n&#259;ng v&agrave; th&ocirc;ng s&#7889; k&#7929; thu&#7853;t ph&#7847;n c&#7913;ng. Ngo&agrave;i ra, c&#7845;u h&igrave;nh ph&ugrave; h&#7907;p c&#7911;a t&agrave;i nguy&ecirc;n x&#7917; l&yacute; c&#361;ng r&#7845;t quan tr&#7885;ng. Vi&#7879;c ch&#7885;n m&#7897;t CPU cho &#7843;o h&oacute;a v&agrave;&#8230;<\/p>\n","protected":false},"author":29,"featured_media":12046,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[204,275],"class_list":["post-12042","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tong-hop","tag-cpu","tag-virtualization"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ch\u1ecdn CPU n\u00e0o t\u1ed1t nh\u1ea5t cho h\u1ec7 th\u1ed1ng \u1ea3o h\u00f3a? - Blog | TheGioiMayChu<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thegioimaychu.vn\/blog\/tong-hop\/chon-cpu-nao-tot-nhat-cho-he-thong-ao-hoa-p12042\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Ch\u1ecdn CPU n\u00e0o t\u1ed1t nh\u1ea5t cho h\u1ec7 th\u1ed1ng \u1ea3o h\u00f3a? - Blog | TheGioiMayChu\" \/>\n<meta name=\"twitter:description\" content=\"Vi&#7879;c l&#7921;a ch&#7885;n CPU ph&ugrave; h&#7907;p cho c&aacute;c h&#7841; t&#7847;ng &#7843;o h&oacute;a ph&#7909; thu&#7897;c v&agrave;o nhi&#7873;u y&#7871;u t&#7889;, bao g&#7891;m t&#7853;p h&#7907;p c&aacute;c t&iacute;nh n&#259;ng v&agrave; th&ocirc;ng s&#7889; k&#7929; thu&#7853;t ph&#7847;n c&#7913;ng. Ngo&agrave;i ra, c&#7845;u h&igrave;nh ph&ugrave; h&#7907;p c&#7911;a t&agrave;i nguy&ecirc;n x&#7917; l&yacute; c&#361;ng r&#7845;t quan tr&#7885;ng. 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Ngo&agrave;i ra, c&#7845;u h&igrave;nh ph&ugrave; h&#7907;p c&#7911;a t&agrave;i nguy&ecirc;n x&#7917; l&yacute; c&#361;ng r&#7845;t quan tr&#7885;ng. 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