• dev/shm过小导致ORA-00845错误解决方法

    Starting with Oracle Database 11g,the Automatic Memory Management featurerequires more shared memory(/dev/shm)and file descriptors.The size of the sharedmemory must be at least the greater of the ...
    文章 2012-06-20 782浏览量
  • Oracle Linux:Shell Script to Calculate Values ...

    memory segments on Oracle Linux.Before proceeding with the execution please note following: For ASM instance,it needs to configure ASMM instead of AMM. The 'pga_aggregate_target' is outside the SGA ...
    文章 2022-09-15 7浏览量
  • oracle紧密相关的unix/linux内核参数

    下面是几个与oracle紧密相关的unix/linux内核参数,在安装数据库的时候,一般都...这种情况下,如果多个实例已经启动,在添加新实例时,如果shmall参数设置过小,会出现ora-27102 out of memory,导致dbca建库失败。
    文章 2015-04-24 772浏览量
  • Oracle 11g 新特性之-Oracle 内存自动管理

    MEMORY_TARGET:The amount of shared memory available for Oracle to use when dynamically controlling the SGA and PGA.This parameter is dynamic,so the total amount of memory available to Oracle can be ...
    文章 2017-11-08 1404浏览量
  • Linux HugePage经验值检测

    is an Oracle RDBMS shared memory segment or not. This script is provided by Doc ID 401749.1 from My Oracle Support http://support.oracle.com Welcome text echo This script is provided by Doc ID 401749....
    文章 2015-04-12 747浏览量
  • linux的hugepage的配置-优化oracle内存.

    System is running out of memory or swapping Not enough HugePages to cover the SGA(s)and therefore the area reserved for HugePages are wasted where SGAs are allocated through regular pages Review your ...
    文章 2015-04-12 893浏览量
  • kill_process造成数据库挂起并出现found dead shared ...

    这篇博客是上一篇博客Oracle shutdown immediate遭遇ORA-24324 ORA-24323 ORA-01089的延伸(数据库挂起hang时,才去重启的...Aug 5 10:44:27 xxxxx kernel:Out of memory:kill process 21716(oracle)score 1078417 or ...
    文章 1970-01-01 1080浏览量
  • ORA-000845 与/dev/shm(tempfs)

    3、故障解决从上面的情形可知,我们可以通过增加tempfs文件系统的大小或者是适当减少MEMORY_TARGET的值来解决a、调整参数memory_target[oracle@linux1~]$grep memory$ORACLE_HOME/dbs/initcatadb.oramemory_target=...
    文章 2013-11-14 1032浏览量
  • ORACLE内核参数

    'Out of memory' type errors are seldom related to semaphores.Error messages which reference a 'SEMM*' function are related to semaphores.IMPORTANT NOTE:THESE ERRORS ONLY OCCUR AT INSTANCE STARTUP.ORA-...
    文章 2016-06-01 907浏览量
  • ORA-00445报错问题的处理

    Recent linux kernels have a feature called Address Space Layout Randomization(ASLR).ASLR is a feature that is activated by default on some of the newer linux distributions.It is designed to load ...
    文章 2014-05-25 1041浏览量
  • SHMALL,SHMMAX and SGA sizing

    I need help to clear up the concepts behind the numbers.From the output of the commands below it can be seen that the server has 12 GB of memory and after the kernel is configured(see below output of ...
    文章 2017-11-12 911浏览量
  • ORA-04031错误导致宕机案例分析

    操作系统:Oracle Linux Server release 5.7 64 bit 数据库版本:Oracle Database 10g Release 10.2.0.4.0-64bit Production 案例分析: 收到告警去检查数据库时,发现实例已经宕机。检查告警日志,发现下面错误信息...
    文章 2016-04-27 3331浏览量
  • 安装oracle时内核参数详解

    于是在linux上安装oracle时配置的这三个参数的意义就很清楚了。比如: kernel.shmall=2097152-可用共享内存的总量,单位页,在32位系统上一页=4k,也就是4096字节。按照这个设置2097152*4k/1024/1024=8G,就是说可用...
    文章 2009-02-12 752浏览量
  • 【转】自动内存管理

    ORA-00838:Specified value of MEMORY_TARGET is too small,needs to be at least XXXM 2、memory_target参数是为实现SGA和PGA的自动管理而设定的,memory_target=sga_target+pga_aggregate_target。memory_target的...
    文章 2012-11-07 935浏览量
  • [20140814]oerr for windows.txt

    POOL_RESERVED_SIZE and/SHARED_POOL_SIZE./If the large pool is out of memory,increase the initialization/parameter LARGE_POOL_SIZE./If the error is issued from an Oracle Streams or XStream process,/...
    文章 2014-08-14 786浏览量
  • Oracle Internal Research深入研究Oracle内部原理

    How to make BBED(Oracle Block Brower and EDitor Tool)on Unix/Linux/Windows 隐藏参数_high_priority_processes与oradism Oracle等待事件Enqueue CI:Cross Instance Call Invocation Oracle常用的几个父栓 ddl...
    文章 2017-11-12 1239浏览量
  • ORA-00845:MEMORY_TARGET not supported on this ...

    the Automatic Memory Management feature requires more shared memory(/dev/shm)and file descriptors.The size of the shared memory should be at least the greater of MEMORY_MAX_TARGET and MEMORY_TARGET ...
    文章 2014-05-04 813浏览量
  • ORA-01102:cannot mount database in EXCLUSIVE mode

    安装完ORACEL 10g数据库后,启动数据库时遇到ORA-01102:cannot mount database in EXCLUSIVE mode 查看告警日志文件,发现有ORA-...knowledge oracle has of shared memory that is in use.Now the database can start.
    文章 2016-04-25 1609浏览量
  • ORA-27125:unable to create shared memory segment

    平台环境:Oracle Linux Server release 5.7 x86_64 数据库版本:Oracle Database 10g Enterprise Edition Release 10.2.0.1.0-64bi 在安装Oracle安装过程中,dbca 建instance的,遇到如下错误 以前遇到安装ORACLE...
    文章 2016-04-25 1587浏览量
  • Linux 下配置 HugePages

    Symptom A:System is running out of memory or swapping Possible Cause:Not enough HugePages to cover the SGA(s)and therefore the area reserved for HugePages are wasted where SGAs are allocated ...
    文章 2013-04-11 876浏览量
  • ORA-27125:unable to create shared memory segment

    and where it is stored.Obviously,the more pages you have,the more time it takes to find where the memory is mapped.When a process uses 1GB of memory,that's 262144 entries to look up(1GB/4K).If one ...
    文章 2016-05-31 878浏览量
  • 【OS】Linux下/dev/shm的作用及ORA-00845错误的处理

    Action:Refer to documentation for a list of supported operating systems.Or,size/dev/shm to be at least the SGA_MAX_SIZE on each Oracle instance running on the system. 2、修改/dev/shm大小 ...
    文章 2017-07-27 1816浏览量
  • ORA-00821:Specified value of sga_target 3072M is ...

    在测试PlateSpine克隆的数据库服务器时,由于资源有限,克隆过来的数据库服务器只给了9G的内存,结果在测试时,老是会出现OOMkiller导致宕机,即out of memory killer,是linux下面当内存耗尽时的的一种处理机制。...
    文章 1970-01-01 2314浏览量
  • ...head><meta http-equiv="Cont

    ORA-04030:out of process memory when trying to allocate string bytes 一看就猜到是内存不足了,把Oracle给累坏了 Oracle版本;Oracle 10.2.0 操作系统:Windows Server 2003 于是,直接查了下怎么修改Oracle内存...
    文章 1970-01-01 828浏览量
  • Oracle 之 配置HugePages内存

    System is running out of memory or swapping Possible Cause: Not enough HugePages to cover the SGA(s)and therefore the area reserved for HugePages are wasted where SGAs are allocated through regular ...
    文章 2017-11-12 1109浏览量
  • dev/shm Filled Up With Files In Format JOXSHM_EXT_...

    a.Rebooting the server from time to time as this clears those files OR b.In 11.1.0.7 the"id"part of the name is the shared memory id of the shared memory for the instance.eg:ipcs-ma"ID column value...
    文章 2017-11-12 1094浏览量
  • PostgreSQL Huge Page 使用建议-大内存主机、实例注意

    The HugePages feature enables the Linux kernel to manage large pages of memory in addition to the standard 4KB(on x86 and x86_64)or 16KB(on IA64)page size.If you have a system with more than 16GB of ...
    文章 2018-04-18 4787浏览量
  • Oracle 11g 单实例安装文档

    Starting with Oracle Database 11g,the Automatic Memory Management feature requires more shared memory(/dev/shm)and file descriptors.The size of the shared memory must be at least the greater of the ...
    文章 1970-01-01 1136浏览量
  • Linux下HugePage内存功能配置

    在10g中,Oracle引入了sga_target系列参数,实现了ASMM(Automatic Shared Memory Management)。ASMM的本质是实现SGA和PGA内部各个池之间的动态调整。但是在11g中,推出了AMM(Automatic Memory Management),实现...
    文章 2016-11-01 1023浏览量
  • [20140627]linux下显示那个进程使用swap

    taking shared memory pages into account.Unshared memory is reported as the...of shared memory is reported as the PSS(Proportional Set Size).The USS and PSS only include physical memory usage.They do not ...
    文章 2014-06-27 613浏览量
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