{"id":1410,"date":"2016-03-02T11:40:08","date_gmt":"2016-03-02T10:40:08","guid":{"rendered":"http:\/\/clemente.pamplona.name\/dba\/?p=1410"},"modified":"2016-03-02T11:40:08","modified_gmt":"2016-03-02T10:40:08","slug":"errores-private-strand-flush-not-complete-en-el-alert-log","status":"publish","type":"post","link":"http:\/\/clemente.pamplona.name\/dba\/errores-private-strand-flush-not-complete-en-el-alert-log\/","title":{"rendered":"Errores Private strand flush not complete en el alert.log"},"content":{"rendered":"

Vamos a echar un vistazo r\u00e1pido a un error bastante com\u00fan en los alert.log <\/p>\n

Una alerta bastante com\u00fan que vemos en los alertlog es <\/p>\n

\r\nThread 1 cannot allocate new log, sequence 6180\r\nPrivate strand flush not complete\r\n<\/pre>\n
Esta l\u00ednea nos indica que, no hemos completado la operaci\u00f3n de guardar todo el REDO cuando hacemos el switch.
\nEl t\u00e9rmino strand<\/b> es la palabra que utiliza Oracle para referrse a los latches de los redo log, lo que tenemos en este caso es un caso de este tipo, y lo que nos est\u00e1 indicando es qeu en ved de bajar el redo en tiempo real, lo \u00abbajar\u00e1\u00bb con el commit.<\/p>\n
Este tipo de mensajes no es alarmante a no ser que haya mas mensajes del tipo  \u00abcannot allocate new log\u00bb<\/em>  o  \u00abadvanced to log sequence\u00bb<\/em><\/p>\n
En cualquier caso, pueden indicarnos que hay problemas con la velocidad de IO del almacenamiento donde se encuentran o en caso de ser logs remotos con la red  <\/p>\n","protected":false},"excerpt":{"rendered":"
Vamos a echar un vistazo r\u00e1pido a un error bastante com\u00fan en los alert.log Una alerta bastante com\u00fan que vemos en los alertlog es Thread 1 cannot allocate new log, sequence 6180 Private strand flush not complete Esta l\u00ednea nos … Sigue leyendo →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,60,9,66,199],"tags":[58,589,587,211],"class_list":["post-1410","post","type-post","status-publish","format-standard","hentry","category-11g","category-12c","category-dummie","category-errores-ora","category-oracle","tag-alert-log","tag-archiver","tag-private-strand-flush-not-complete","tag-redo"],"_links":{"self":[{"href":"http:\/\/clemente.pamplona.name\/dba\/wp-json\/wp\/v2\/posts\/1410","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/clemente.pamplona.name\/dba\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/clemente.pamplona.name\/dba\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/clemente.pamplona.name\/dba\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/clemente.pamplona.name\/dba\/wp-json\/wp\/v2\/comments?post=1410"}],"version-history":[{"count":3,"href":"http:\/\/clemente.pamplona.name\/dba\/wp-json\/wp\/v2\/posts\/1410\/revisions"}],"predecessor-version":[{"id":1413,"href":"http:\/\/clemente.pamplona.name\/dba\/wp-json\/wp\/v2\/posts\/1410\/revisions\/1413"}],"wp:attachment":[{"href":"http:\/\/clemente.pamplona.name\/dba\/wp-json\/wp\/v2\/media?parent=1410"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/clemente.pamplona.name\/dba\/wp-json\/wp\/v2\/categories?post=1410"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/clemente.pamplona.name\/dba\/wp-json\/wp\/v2\/tags?post=1410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}