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Upload on 2014/3/5 by louis liu

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The next generation of IBM’s X-series servers will be able to accommodate solid-state Flash drives clipped into their DIMM memory slots, potentially i[......]

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update 12.14 (add two docs) Download this PDF

overview of gc_doc1

overview of gc_doc2

FusionIO推出的基于共享级别的ioMemory加速方案,此文简要概述方案的一些粗略架构。ION可配选IB或者40GB以太网连接,同时支持FCoIB,FCoE,EoIB,RDMA协议。
基于FIO与HP的特殊关系,下面的图主要来自ION Accelerator on HP DL380

[......]

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By ask Surachart for help

Test: Flash Cache on 11gR2 + RHEL

A Flash Cache (11gR2) is supported by OEL or Solaris. If Want To use RHEL(Ex[......]

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Database-exporter发布 感谢wucharles,一个充满Geek精神的小伙。

1.supports export database from each other. (you need write driver by yourself,now support oracle an[......]

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1.配合使用systemtap 监控系统对于文件的读写：

[root@db-42 systemtap]# uname -a
Linux db-42 2.6.18-194.el5 #1 SMP Mon Mar 29 22:10:29 EDT 2010 x86_64 x86_64 x86_64 GN[......]

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systemtap发行版本提供了socktop,用于监控socket套接字之间的通信,具体如下：

[root@db-42 ~]# socktop -h
USAGE: socktop [-d] [-i interval] [-N num] [-P protocol]... [-f family].[......]

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Testing three PCIE cards’s performance for all of scenes using fio

Reference:fio parameter setting

基于上次的nicstat linux还提供了nethogs,可以监控指定pid的具体流量,在这里可以下到源码.

获取过程：

open("/proc/$pid/fd")
open("/proc/net/tcp")
open("/proc[......]

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