{"id":14561,"date":"2021-01-23T01:50:25","date_gmt":"2021-01-23T05:50:25","guid":{"rendered":"https:\/\/adclichosting.com\/?p=14561"},"modified":"2024-03-10T13:33:19","modified_gmt":"2024-03-10T17:33:19","slug":"sobre-carga-de-servidor-o-vps-high-load","status":"publish","type":"post","link":"https:\/\/adclichosting.com\/blog\/sobre-carga-de-servidor-o-vps-high-load\/","title":{"rendered":"Comando Top Linux &#8211; Sobre carga de Servidor o VPS \u00abHigh load\u00bb"},"content":{"rendered":"\r\n<div class=\"schema-how-to wp-block-yoast-how-to-block\">\r\n<p class=\"schema-how-to-description\">El Comando Top Linux es implementado si usted esta experimentando problemas de lentitud en un nodo <a href=\"https:\/\/adclichosting.com\/us\/vps\/\">VPS<\/a> o <a href=\"https:\/\/adclichosting.com\/us\/servidores-dedicados\/\">Servidor Dedicado<\/a> y ya detecto que el problema es un alto uso de CPU o Memoria, entonces uno de los primeros pasos a seguir en este caso es ejecutar el comando \u00ab<a href=\"https:\/\/es.wikipedia.org\/wiki\/Top_(Unix)\">TOP<\/a>\u00bb en la l\u00ednea de comandos. Puede encontrar una respuesta t\u00edpica como la siguiente.<\/p>\r\n<ol class=\"schema-how-to-steps\">\r\n<li id=\"how-to-step-1621015445844\" class=\"schema-how-to-step\">\r\n<p class=\"schema-how-to-step-text\">top &#8211; 23:12:41 up 108 days, 5:14, 2 users, load average: 0.49, 1.39, 4.34<br \/>Tasks: 298 total, 1 running, 297 sleeping, 0 stopped, 0 zombie<br \/>Cpu(s): 7.5%us, 1.5%sy, 0.0%ni, 89.3%id, 1.6%wa, 0.1%hi, 0.1%si, 0.0%st<br \/>Mem: 8087364k total, 6626384k used, 1460980k free, 116044k buffers<br \/>Swap: 10136972k total, 96572k used, 10040400k free, 3866028k cached<br \/><br \/>PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND<br \/>5028 mysql 15 0 275m 42m 4968 S 5.3 0.5 0:41.76 mysqld<br \/>1750 named 21 0 249m 13m 1644 S 0.0 0.2 0:07.35 named<br \/>30394 userx 16 0 195m 36m 7700 S 0.0 0.5 0:00.59 php<br \/>7628 userx2 16 0 195m 35m 6924 S 0.0 0.4 0:00.16 php<br \/>30735 userx3 16 0 194m 35m 7732 S 0.0 0.5 0:01.11 php<br \/>620 userx4 16 0 193m 34m 7088 S 0.0 0.4 0:00.49 php<br \/><br \/>En este caso podemos observar el porcentaje de uso de CPU y Memoria disponible actualizado cada segundo. Es decir, Podemos matar alguno de los procesos con su PID especifico. <br \/>Por ejemplo<br \/>&#8211; kill 7628<\/p>\r\n<\/li>\r\n<li id=\"how-to-step-1621015545412\" class=\"schema-how-to-step\"><strong class=\"schema-how-to-step-name\">Terminar Todos los Procesos de un Usuario<\/strong>\r\n<p class=\"schema-how-to-step-text\">killall -u userx<br \/><br \/>Esto con el fin de diagnosticar si el usuario es el que esta causando la sobrecarga. Si un usuario especifico esta causando la carga puede suspenderlo desde su panel respectivo y verificar si el problema persiste. Si el problema se debe a alg\u00fan servicio en especifico como MYSQL o APACHE, debe hacer una optimizaci\u00f3n de la configuraci\u00f3n de los servicios respectivos.<br \/><br \/>Si la causa no esta clara podemos hacer una ejecuci\u00f3n de \u00abvmstat -1\u00bb. Una respuesta t\u00edpica es la siguiente:<br \/>procs &#8212;&#8212;&#8212;&#8211;memory&#8212;&#8212;&#8212;- &#8212;swap&#8211; &#8212;&#8211;io&#8212;- &#8211;system&#8211; &#8212;&#8211;cpu&#8212;&#8212;<br \/>r b swpd free buff cache si so bi bo in cs us sy id wa st<br \/>2 0 180 160052 537364 5164784 0 0 0 288 1400 978 11 1 88 0 0<br \/>2 0 180 160184 537368 5164780 0 0 12 176 1353 1043 14 2 84 0 0<br \/>0 0 180 160100 537384 5164764 0 0 64 888 1401 1122 16 5 78 1 0<\/p>\r\n<\/li>\r\n<li id=\"how-to-step-1621015695740\" class=\"schema-how-to-step\"><strong class=\"schema-how-to-step-name\">Verificaci\u00f3n de las columnas \u00abwa\u00bb<\/strong>\r\n<p class=\"schema-how-to-step-text\">Lo mas Importante es verificar las columnas \u00abwa\u00bb que representan el tiempo de \u00abCPU en tiempo de Espera\u00bb o \u00abCpu Wait Time\u00bb y la columna \u00abId\u00bb, \u00abCpu Idle\u00bb<br \/><br \/>Entonces si la columna \u00abwa\u00bb es muy alta, valores mayores de 0, 25 se considera muy alta, por lo tanto lo mas probable es que la carga sea a causa de sobrecarga de uso de disco, \u00abHigh IO\u00bb o sobrecarga en la lectura \/ escritura de disco.<br \/><br \/>Puede verificar si este en definitiva es el caso con el comando \u00abiostat\u00bb o \u00abiostat -x 5\u00bb para que se ejecute cada 5 segundos. Esta es una respuesta t\u00edpica del comando iostat:<br \/><br \/>Device: rrqm\/s wrqm\/s r\/s w\/s rsec\/s wsec\/s avgrq-sz avgqu-sz await svctm %util<br \/>sda 0.00 13.20 0.00 6.80 0.00 160.00 23.53 0.02 2.50 0.26 0.18<br \/>sda1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00<br \/>sda2 0.00 9.60 0.00 2.80 0.00 99.20 35.43 0.01 2.00 0.29 0.08<br \/>sda3 0.00 3.60 0.00 4.00 0.00 60.80 15.20 0.01 2.85 0.25 0.10<br \/>sda4 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00<br \/>sda5 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00<br \/>sdb 13.80 37.60 5.00 5.80 252.80 347.20 55.56 0.03 3.11 1.80 1.94<br \/>sdb1 0.00 1.40 0.00 0.80 0.00 17.60 22.00 0.00 0.25 0.25 0.02<br \/>sdb2 0.00 6.40 0.00 0.80 0.00 57.60 72.00 0.00 1.00 1.00 0.08<br \/>sdb3 13.80 29.80 5.00 4.20 252.80 272.00 57.04 0.03 3.54 2.00 1.84<br \/><br \/>Un valor alto en la columna de %util quiere decir en consecuencia que en ese disco duro en especifico hay una alta concentraci\u00f3n de carga.<br \/><br \/>Por lo tanto esta es una causa mas compleja de sobrecarga de un servidor y que adem\u00e1s podr\u00eda evaluarse con el comando \u00abiotop\u00bb. Aunque no viene por defecto, puede instalarlo f\u00e1cilmente con yum \u00abyum install iotop\u00bb<\/p>\r\n<\/li>\r\n<li id=\"how-to-step-1621015747599\" class=\"schema-how-to-step\"><strong class=\"schema-how-to-step-name\">Respuesta del Comando Top Linux<\/strong>\r\n<p class=\"schema-how-to-step-text\">Total DISK READ: 42.72 K\/s | Total DISK WRITE: 151.45 K\/s<br \/>TID PRIO USER DISK READ DISK WRITE SWAPIN IO&gt; COMMAND<br \/><br \/>8 rt\/3 root 0.00 B\/s 0.00 B\/s 0.00 % 0.49 % [migration\/2]<br \/>11 rt\/3 root 0.00 B\/s 0.00 B\/s 0.00 % 0.39 % [migration\/3]<br \/>14 be\/3 root 0.00 B\/s 0.00 B\/s 0.00 % 0.39 % [events\/0]<br \/>9897 be\/4 nobody 0.00 B\/s 0.00 B\/s 0.00 % 0.19 % httpd -k start -DSSL<br \/>1632 be\/3 root 0.00 B\/s 15.53 K\/s 0.00 % 0.19 % [kjournald]<br \/>552 be\/3 root 0.00 B\/s 116.50 K\/s 0.00 % 0.16 % [kjournald]<br \/>9896 be\/4 nobody 0.00 B\/s 0.00 B\/s 0.00 % 0.10 % httpd -k start -DSSL<br \/>10097 be\/4 furiamag 0.00 B\/s 0.00 B\/s 0.00 % 0.10 % php<br \/>10118 be\/4 furiamag 0.00 B\/s 0.00 B\/s 0.00 % 0.10 % php<br \/>9900 be\/4 nobody 42.72 K\/s 3.88 K\/s 0.00 % 0.04 % nginx: worker process<br \/>6360 be\/4 mailnull 0.00 B\/s 0.00 B\/s 4.59 % 0.00 % exim -bd -q60m<br \/><br \/>Sin embargo en este caso el proceso en la columna que genere mayor porcentaje de uso ser\u00e1 el culpable del problema.<\/p>\r\n<\/li>\r\n<\/ol>\r\n<\/div>\r\n\r\n\r\n\r\n<p class=\"yoast-reading-time__wrapper\"><span class=\"yoast-reading-time__descriptive-text\">Tiempo de lectura estimado: <\/span><span class=\"yoast-reading-time__reading-time\">4<\/span><span class=\"yoast-reading-time__time-unit\"> minutos<\/span><\/p>\r\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":14562,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3314],"tags":[],"class_list":["post-14561","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sys-admin-y-webmaster"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.0 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Comando Top Linux - Sobre carga de Servidor o VPS &quot;High load&quot; 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Sobre carga de Servidor o VPS \u00abHigh load\u00bb\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/adclichosting.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/adclichosting.com\\\/blog\\\/\",\"name\":\"Adclic Hosting\",\"description\":\"Hosting Empresarial\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/adclichosting.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"es\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/adclichosting.com\\\/blog\\\/#\\\/schema\\\/person\\\/15a62c1faa6e29f6d1a618ba5de17aa0\",\"name\":\"Fuentes\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/78da906689e832bdc83574aef38a9ab21a9161cfa19d97fb6695fdcfe220fc9d?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/78da906689e832bdc83574aef38a9ab21a9161cfa19d97fb6695fdcfe220fc9d?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/78da906689e832bdc83574aef38a9ab21a9161cfa19d97fb6695fdcfe220fc9d?s=96&d=mm&r=g\",\"caption\":\"Fuentes\"},\"sameAs\":[\"https:\\\/\\\/www.adclichosting.com\",\"https:\\\/\\\/www.facebook.com\\\/josuejosefuentes\",\"https:\\\/\\\/x.com\\\/josuejosefuente\"],\"url\":\"https:\\\/\\\/adclichosting.com\\\/blog\\\/author\\\/paadclic\\\/\"},{\"@type\":\"HowTo\",\"@id\":\"https:\\\/\\\/adclichosting.com\\\/blog\\\/sobre-carga-de-servidor-o-vps-high-load\\\/#howto-1\",\"name\":\"Comando Top Linux &#8211; Sobre carga de Servidor o VPS \u00abHigh load\u00bb\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/adclichosting.com\\\/blog\\\/sobre-carga-de-servidor-o-vps-high-load\\\/#article\"},\"description\":\"El Comando Top Linux es implementado si usted esta experimentando problemas de lentitud en un nodo <a href=\\\"https:\\\/\\\/adclichosting.com\\\/es-us\\\/vps\\\/\\\">VPS<\\\/a> o <a href=\\\"https:\\\/\\\/adclichosting.com\\\/es-us\\\/servidores-dedicados\\\/\\\">Servidor Dedicado<\\\/a> y ya detecto que el problema es un alto uso de CPU o Memoria, entonces uno de los primeros pasos a seguir en este caso es ejecutar el comando \\\"<a href=\\\"https:\\\/\\\/es.wikipedia.org\\\/wiki\\\/Top_(Unix)\\\">TOP<\\\/a>\\\" en la l\u00ednea de comandos. Puede encontrar una respuesta t\u00edpica como la siguiente.<br\\\/>\",\"step\":[{\"@type\":\"HowToStep\",\"url\":\"https:\\\/\\\/adclichosting.com\\\/blog\\\/sobre-carga-de-servidor-o-vps-high-load\\\/#how-to-step-1621015445844\",\"text\":\"top - 23:12:41 up 108 days, 5:14, 2 users, load average: 0.49, 1.39, 4.34<br\\\/>Tasks: 298 total, 1 running, 297 sleeping, 0 stopped, 0 zombie<br\\\/>Cpu(s): 7.5%us, 1.5%sy, 0.0%ni, 89.3%id, 1.6%wa, 0.1%hi, 0.1%si, 0.0%st<br\\\/>Mem: 8087364k total, 6626384k used, 1460980k free, 116044k buffers<br\\\/>Swap: 10136972k total, 96572k used, 10040400k free, 3866028k cached<br\\\/><br\\\/>PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND<br\\\/>5028 mysql 15 0 275m 42m 4968 S 5.3 0.5 0:41.76 mysqld<br\\\/>1750 named 21 0 249m 13m 1644 S 0.0 0.2 0:07.35 named<br\\\/>30394 userx 16 0 195m 36m 7700 S 0.0 0.5 0:00.59 php<br\\\/>7628 userx2 16 0 195m 35m 6924 S 0.0 0.4 0:00.16 php<br\\\/>30735 userx3 16 0 194m 35m 7732 S 0.0 0.5 0:01.11 php<br\\\/>620 userx4 16 0 193m 34m 7088 S 0.0 0.4 0:00.49 php<br\\\/><br\\\/>En este caso podemos observar el porcentaje de uso de CPU y Memoria disponible actualizado cada segundo. Es decir, Podemos matar alguno de los procesos con su PID especifico. <br\\\/>Por ejemplo<br\\\/>- kill 7628\"},{\"@type\":\"HowToStep\",\"url\":\"https:\\\/\\\/adclichosting.com\\\/blog\\\/sobre-carga-de-servidor-o-vps-high-load\\\/#how-to-step-1621015545412\",\"name\":\"Terminar Todos los Procesos de un Usuario\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"killall -u userxEsto con el fin de diagnosticar si el usuario es el que esta causando la sobrecarga. Si un usuario especifico esta causando la carga puede suspenderlo desde su panel respectivo y verificar si el problema persiste. Si el problema se debe a alg\u00fan servicio en especifico como MYSQL o APACHE, debe hacer una optimizaci\u00f3n de la configuraci\u00f3n de los servicios respectivos.Si la causa no esta clara podemos hacer una ejecuci\u00f3n de \\\"vmstat -1\\\". Una respuesta t\u00edpica es la siguiente:procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------r b swpd free buff cache si so bi bo in cs us sy id wa st2 0 180 160052 537364 5164784 0 0 0 288 1400 978 11 1 88 0 02 0 180 160184 537368 5164780 0 0 12 176 1353 1043 14 2 84 0 00 0 180 160100 537384 5164764 0 0 64 888 1401 1122 16 5 78 1 0\"}]},{\"@type\":\"HowToStep\",\"url\":\"https:\\\/\\\/adclichosting.com\\\/blog\\\/sobre-carga-de-servidor-o-vps-high-load\\\/#how-to-step-1621015695740\",\"name\":\"Verificaci\u00f3n de las columnas \\\"wa\\\"\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"Lo mas Importante es verificar las columnas \\\"wa\\\" que representan el tiempo de \\\"CPU en tiempo de Espera\\\" o \\\"Cpu Wait Time\\\" y la columna \\\"Id\\\", \\\"Cpu Idle\\\"Entonces si la columna \\\"wa\\\" es muy alta, valores mayores de 0, 25 se considera muy alta, por lo tanto lo mas probable es que la carga sea a causa de sobrecarga de uso de disco, \\\"High IO\\\" o sobrecarga en la lectura \\\/ escritura de disco.Puede verificar si este en definitiva es el caso con el comando \\\"iostat\\\" o \\\"iostat -x 5\\\" para que se ejecute cada 5 segundos. Esta es una respuesta t\u00edpica del comando iostat:Device: rrqm\\\/s wrqm\\\/s r\\\/s w\\\/s rsec\\\/s wsec\\\/s avgrq-sz avgqu-sz await svctm %utilsda 0.00 13.20 0.00 6.80 0.00 160.00 23.53 0.02 2.50 0.26 0.18sda1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00sda2 0.00 9.60 0.00 2.80 0.00 99.20 35.43 0.01 2.00 0.29 0.08sda3 0.00 3.60 0.00 4.00 0.00 60.80 15.20 0.01 2.85 0.25 0.10sda4 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00sda5 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00sdb 13.80 37.60 5.00 5.80 252.80 347.20 55.56 0.03 3.11 1.80 1.94sdb1 0.00 1.40 0.00 0.80 0.00 17.60 22.00 0.00 0.25 0.25 0.02sdb2 0.00 6.40 0.00 0.80 0.00 57.60 72.00 0.00 1.00 1.00 0.08sdb3 13.80 29.80 5.00 4.20 252.80 272.00 57.04 0.03 3.54 2.00 1.84Un valor alto en la columna de %util quiere decir en consecuencia que en ese disco duro en especifico hay una alta concentraci\u00f3n de carga.Por lo tanto esta es una causa mas compleja de sobrecarga de un servidor y que adem\u00e1s podr\u00eda evaluarse con el comando \\\"iotop\\\". Aunque no viene por defecto, puede instalarlo f\u00e1cilmente con yum \\\"yum install iotop\\\"\"}]},{\"@type\":\"HowToStep\",\"url\":\"https:\\\/\\\/adclichosting.com\\\/blog\\\/sobre-carga-de-servidor-o-vps-high-load\\\/#how-to-step-1621015747599\",\"name\":\"Respuesta del Comando Top Linux\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"Total DISK READ: 42.72 K\\\/s | Total DISK WRITE: 151.45 K\\\/sTID PRIO USER DISK READ DISK WRITE SWAPIN IO> COMMAND8 rt\\\/3 root 0.00 B\\\/s 0.00 B\\\/s 0.00 % 0.49 % [migration\\\/2]11 rt\\\/3 root 0.00 B\\\/s 0.00 B\\\/s 0.00 % 0.39 % [migration\\\/3]14 be\\\/3 root 0.00 B\\\/s 0.00 B\\\/s 0.00 % 0.39 % [events\\\/0]9897 be\\\/4 nobody 0.00 B\\\/s 0.00 B\\\/s 0.00 % 0.19 % httpd -k start -DSSL1632 be\\\/3 root 0.00 B\\\/s 15.53 K\\\/s 0.00 % 0.19 % [kjournald]552 be\\\/3 root 0.00 B\\\/s 116.50 K\\\/s 0.00 % 0.16 % [kjournald]9896 be\\\/4 nobody 0.00 B\\\/s 0.00 B\\\/s 0.00 % 0.10 % httpd -k start -DSSL10097 be\\\/4 furiamag 0.00 B\\\/s 0.00 B\\\/s 0.00 % 0.10 % php10118 be\\\/4 furiamag 0.00 B\\\/s 0.00 B\\\/s 0.00 % 0.10 % php9900 be\\\/4 nobody 42.72 K\\\/s 3.88 K\\\/s 0.00 % 0.04 % nginx: worker process6360 be\\\/4 mailnull 0.00 B\\\/s 0.00 B\\\/s 4.59 % 0.00 % exim -bd -q60mSin embargo en este caso el proceso en la columna que genere mayor porcentaje de uso ser\u00e1 el culpable del problema.\"}]}],\"inLanguage\":\"es\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Comando Top Linux - Sobre carga de Servidor o VPS \"High load\" - Adclic Hosting","description":"El Comando Top Linux es implementado si usted esta experimentando problemas de lentitud en un nodo VPS o Servidor Dedicado y ya detecto que..","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/adclichosting.com\/blog\/sobre-carga-de-servidor-o-vps-high-load\/","og_locale":"es_ES","og_type":"article","og_title":"Comando Top Linux - Sobre carga de Servidor o VPS \"High load\"","og_description":"El Comando Top Linux es implementado si usted esta experimentando problemas de lentitud en un nodo VPS o Servidor Dedicado y ya detecto que..","og_url":"https:\/\/adclichosting.com\/blog\/sobre-carga-de-servidor-o-vps-high-load\/","og_site_name":"Adclic Hosting","article_author":"https:\/\/www.facebook.com\/josuejosefuentes","article_published_time":"2021-01-23T05:50:25+00:00","article_modified_time":"2024-03-10T17:33:19+00:00","og_image":[{"width":800,"height":508,"url":"https:\/\/adclichosting.com\/blog\/wp-content\/uploads\/2021\/01\/top.jpg","type":"image\/jpeg"}],"author":"Fuentes","twitter_card":"summary_large_image","twitter_creator":"@josuejosefuente","twitter_misc":{"Escrito por":"Fuentes","Tiempo de lectura":"5 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/adclichosting.com\/blog\/sobre-carga-de-servidor-o-vps-high-load\/#article","isPartOf":{"@id":"https:\/\/adclichosting.com\/blog\/sobre-carga-de-servidor-o-vps-high-load\/"},"author":{"name":"Fuentes","@id":"https:\/\/adclichosting.com\/blog\/#\/schema\/person\/15a62c1faa6e29f6d1a618ba5de17aa0"},"headline":"Comando Top Linux &#8211; 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Sobre carga de Servidor o VPS \u00abHigh load\u00bb"}]},{"@type":"WebSite","@id":"https:\/\/adclichosting.com\/blog\/#website","url":"https:\/\/adclichosting.com\/blog\/","name":"Adclic Hosting","description":"Hosting Empresarial","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/adclichosting.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"es"},{"@type":"Person","@id":"https:\/\/adclichosting.com\/blog\/#\/schema\/person\/15a62c1faa6e29f6d1a618ba5de17aa0","name":"Fuentes","image":{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/secure.gravatar.com\/avatar\/78da906689e832bdc83574aef38a9ab21a9161cfa19d97fb6695fdcfe220fc9d?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/78da906689e832bdc83574aef38a9ab21a9161cfa19d97fb6695fdcfe220fc9d?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/78da906689e832bdc83574aef38a9ab21a9161cfa19d97fb6695fdcfe220fc9d?s=96&d=mm&r=g","caption":"Fuentes"},"sameAs":["https:\/\/www.adclichosting.com","https:\/\/www.facebook.com\/josuejosefuentes","https:\/\/x.com\/josuejosefuente"],"url":"https:\/\/adclichosting.com\/blog\/author\/paadclic\/"},{"@type":"HowTo","@id":"https:\/\/adclichosting.com\/blog\/sobre-carga-de-servidor-o-vps-high-load\/#howto-1","name":"Comando Top Linux &#8211; Sobre carga de Servidor o VPS \u00abHigh load\u00bb","mainEntityOfPage":{"@id":"https:\/\/adclichosting.com\/blog\/sobre-carga-de-servidor-o-vps-high-load\/#article"},"description":"El Comando Top Linux es implementado si usted esta experimentando problemas de lentitud en un nodo <a href=\"https:\/\/adclichosting.com\/es-us\/vps\/\">VPS<\/a> o <a href=\"https:\/\/adclichosting.com\/es-us\/servidores-dedicados\/\">Servidor Dedicado<\/a> y ya detecto que el problema es un alto uso de CPU o Memoria, entonces uno de los primeros pasos a seguir en este caso es ejecutar el comando \"<a href=\"https:\/\/es.wikipedia.org\/wiki\/Top_(Unix)\">TOP<\/a>\" en la l\u00ednea de comandos. Puede encontrar una respuesta t\u00edpica como la siguiente.<br\/>","step":[{"@type":"HowToStep","url":"https:\/\/adclichosting.com\/blog\/sobre-carga-de-servidor-o-vps-high-load\/#how-to-step-1621015445844","text":"top - 23:12:41 up 108 days, 5:14, 2 users, load average: 0.49, 1.39, 4.34<br\/>Tasks: 298 total, 1 running, 297 sleeping, 0 stopped, 0 zombie<br\/>Cpu(s): 7.5%us, 1.5%sy, 0.0%ni, 89.3%id, 1.6%wa, 0.1%hi, 0.1%si, 0.0%st<br\/>Mem: 8087364k total, 6626384k used, 1460980k free, 116044k buffers<br\/>Swap: 10136972k total, 96572k used, 10040400k free, 3866028k cached<br\/><br\/>PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND<br\/>5028 mysql 15 0 275m 42m 4968 S 5.3 0.5 0:41.76 mysqld<br\/>1750 named 21 0 249m 13m 1644 S 0.0 0.2 0:07.35 named<br\/>30394 userx 16 0 195m 36m 7700 S 0.0 0.5 0:00.59 php<br\/>7628 userx2 16 0 195m 35m 6924 S 0.0 0.4 0:00.16 php<br\/>30735 userx3 16 0 194m 35m 7732 S 0.0 0.5 0:01.11 php<br\/>620 userx4 16 0 193m 34m 7088 S 0.0 0.4 0:00.49 php<br\/><br\/>En este caso podemos observar el porcentaje de uso de CPU y Memoria disponible actualizado cada segundo. Es decir, Podemos matar alguno de los procesos con su PID especifico. <br\/>Por ejemplo<br\/>- kill 7628"},{"@type":"HowToStep","url":"https:\/\/adclichosting.com\/blog\/sobre-carga-de-servidor-o-vps-high-load\/#how-to-step-1621015545412","name":"Terminar Todos los Procesos de un Usuario","itemListElement":[{"@type":"HowToDirection","text":"killall -u userxEsto con el fin de diagnosticar si el usuario es el que esta causando la sobrecarga. Si un usuario especifico esta causando la carga puede suspenderlo desde su panel respectivo y verificar si el problema persiste. Si el problema se debe a alg\u00fan servicio en especifico como MYSQL o APACHE, debe hacer una optimizaci\u00f3n de la configuraci\u00f3n de los servicios respectivos.Si la causa no esta clara podemos hacer una ejecuci\u00f3n de \"vmstat -1\". Una respuesta t\u00edpica es la siguiente:procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------r b swpd free buff cache si so bi bo in cs us sy id wa st2 0 180 160052 537364 5164784 0 0 0 288 1400 978 11 1 88 0 02 0 180 160184 537368 5164780 0 0 12 176 1353 1043 14 2 84 0 00 0 180 160100 537384 5164764 0 0 64 888 1401 1122 16 5 78 1 0"}]},{"@type":"HowToStep","url":"https:\/\/adclichosting.com\/blog\/sobre-carga-de-servidor-o-vps-high-load\/#how-to-step-1621015695740","name":"Verificaci\u00f3n de las columnas \"wa\"","itemListElement":[{"@type":"HowToDirection","text":"Lo mas Importante es verificar las columnas \"wa\" que representan el tiempo de \"CPU en tiempo de Espera\" o \"Cpu Wait Time\" y la columna \"Id\", \"Cpu Idle\"Entonces si la columna \"wa\" es muy alta, valores mayores de 0, 25 se considera muy alta, por lo tanto lo mas probable es que la carga sea a causa de sobrecarga de uso de disco, \"High IO\" o sobrecarga en la lectura \/ escritura de disco.Puede verificar si este en definitiva es el caso con el comando \"iostat\" o \"iostat -x 5\" para que se ejecute cada 5 segundos. Esta es una respuesta t\u00edpica del comando iostat:Device: rrqm\/s wrqm\/s r\/s w\/s rsec\/s wsec\/s avgrq-sz avgqu-sz await svctm %utilsda 0.00 13.20 0.00 6.80 0.00 160.00 23.53 0.02 2.50 0.26 0.18sda1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00sda2 0.00 9.60 0.00 2.80 0.00 99.20 35.43 0.01 2.00 0.29 0.08sda3 0.00 3.60 0.00 4.00 0.00 60.80 15.20 0.01 2.85 0.25 0.10sda4 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00sda5 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00sdb 13.80 37.60 5.00 5.80 252.80 347.20 55.56 0.03 3.11 1.80 1.94sdb1 0.00 1.40 0.00 0.80 0.00 17.60 22.00 0.00 0.25 0.25 0.02sdb2 0.00 6.40 0.00 0.80 0.00 57.60 72.00 0.00 1.00 1.00 0.08sdb3 13.80 29.80 5.00 4.20 252.80 272.00 57.04 0.03 3.54 2.00 1.84Un valor alto en la columna de %util quiere decir en consecuencia que en ese disco duro en especifico hay una alta concentraci\u00f3n de carga.Por lo tanto esta es una causa mas compleja de sobrecarga de un servidor y que adem\u00e1s podr\u00eda evaluarse con el comando \"iotop\". Aunque no viene por defecto, puede instalarlo f\u00e1cilmente con yum \"yum install iotop\""}]},{"@type":"HowToStep","url":"https:\/\/adclichosting.com\/blog\/sobre-carga-de-servidor-o-vps-high-load\/#how-to-step-1621015747599","name":"Respuesta del Comando Top Linux","itemListElement":[{"@type":"HowToDirection","text":"Total DISK READ: 42.72 K\/s | Total DISK WRITE: 151.45 K\/sTID PRIO USER DISK READ DISK WRITE SWAPIN IO> COMMAND8 rt\/3 root 0.00 B\/s 0.00 B\/s 0.00 % 0.49 % [migration\/2]11 rt\/3 root 0.00 B\/s 0.00 B\/s 0.00 % 0.39 % [migration\/3]14 be\/3 root 0.00 B\/s 0.00 B\/s 0.00 % 0.39 % [events\/0]9897 be\/4 nobody 0.00 B\/s 0.00 B\/s 0.00 % 0.19 % httpd -k start -DSSL1632 be\/3 root 0.00 B\/s 15.53 K\/s 0.00 % 0.19 % [kjournald]552 be\/3 root 0.00 B\/s 116.50 K\/s 0.00 % 0.16 % [kjournald]9896 be\/4 nobody 0.00 B\/s 0.00 B\/s 0.00 % 0.10 % httpd -k start -DSSL10097 be\/4 furiamag 0.00 B\/s 0.00 B\/s 0.00 % 0.10 % php10118 be\/4 furiamag 0.00 B\/s 0.00 B\/s 0.00 % 0.10 % php9900 be\/4 nobody 42.72 K\/s 3.88 K\/s 0.00 % 0.04 % nginx: worker process6360 be\/4 mailnull 0.00 B\/s 0.00 B\/s 4.59 % 0.00 % exim -bd -q60mSin embargo en este caso el proceso en la columna que genere mayor porcentaje de uso ser\u00e1 el culpable del problema."}]}],"inLanguage":"es"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/adclichosting.com\/blog\/wp-json\/wp\/v2\/posts\/14561","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/adclichosting.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/adclichosting.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/adclichosting.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/adclichosting.com\/blog\/wp-json\/wp\/v2\/comments?post=14561"}],"version-history":[{"count":0,"href":"https:\/\/adclichosting.com\/blog\/wp-json\/wp\/v2\/posts\/14561\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/adclichosting.com\/blog\/wp-json\/wp\/v2\/media\/14562"}],"wp:attachment":[{"href":"https:\/\/adclichosting.com\/blog\/wp-json\/wp\/v2\/media?parent=14561"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/adclichosting.com\/blog\/wp-json\/wp\/v2\/categories?post=14561"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/adclichosting.com\/blog\/wp-json\/wp\/v2\/tags?post=14561"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}