Shulou(Shulou.com)06/01 Report--

View the hidden parameter values at the beginning of "_ gc":

Set linesize 333col name for a35col description for a66col value for a30SELECT i.ksppinm name, i.ksppdesc description, CV.ksppstvl VALUEFROM sys.x$ksppi I, sys.x$ksppcv CV WHERE i.inst_id = USERENV ('Instance') AND CV.inst_id = USERENV (' Instance') AND i.indx = CV.indx AND i.ksppinm LIKE'/ _ gc%' ESCAPE'/ 'ORDER BY REPLACE (i.ksppinm,' _',')

-- 11g RAC turns off DRM feature

Alter system set "_ gc_policy_time" = 0 scope=spfile sid='*';alter system set "_ gc_undo_affinity" = false scope=spfile sid='*'

-- 10g RAC turns off the DRM feature

Alter system set "_ gc_affinity_time" = 0 scope=spfile sid='*'; alter system set "_ gc_undo_affinity" = FALSE scope=spfile sid='*'

Refer to Lao Xiong's article, http://www.laoxiong.net/problem-caused-by-drm.html

10g RAC can set two other dynamic implicit parameters to achieve the purpose of shutting down DRM from "in fact":

_ gc_affinity_limit=250 _ gc_affinity_minimum=10485760

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