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Operating Systems HP-UX Performance problem - waiting on cache Post 302489759 by keelba on Friday 21st of January 2011 01:45:01 PM
Old 01-21-2011
You're right, it was a typo. I was just checking if you were paying attention. =)
Actually, I was on Glance and got the wrong information as I was talking to the end user about the problem and got my numbers mixed up. There is actually 32GB on the box.

The server is a Superdome. We have an EMC DMX4. No NFS. Oracle is 10.2.0.

In regards to your comments about Oracle and indexing, etc., wouldn't I see high disk usage if this was true? If the process was waiting on data sorts then it should go to sleep correct until Oracle comes back with some data? The disks are not very busy at all. Glance shows 23% busy and sar shows about 6K blks/s total usage. avwait is 0 and avserv is around 2-4.

We are already scheduling a reboot to see if by chance this will clear it up. Maybe it will, maybe it won't, but even if it does, I'd still like to be able to explain what is happening to the higher powers when they asked why we needed an emergency reboot.
 

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Jifty::DBI::Handle::Oracle(3pm) 			User Contributed Perl Documentation			   Jifty::DBI::Handle::Oracle(3pm)

NAME
Jifty::DBI::Handle::Oracle - An oracle specific Handle object SYNOPSIS
DESCRIPTION
This module provides a subclass of Jifty::DBI::Handle that compensates for some of the idiosyncrasies of Oracle. METHODS
connect PARAMHASH: Driver, Database, Host, User, Password Takes a paramhash and connects to your DBI datasource. database_version Returns value of ORA_OCI constant, see "Constants" in DBD::Oracle. insert Takes a table name as the first argument and assumes that the rest of the arguments are an array of key-value pairs to be inserted. build_dsn PARAMHASH Takes a bunch of parameters: Required: Driver, Database or Host/SID, Optional: Port and RequireSSL Builds a dsn suitable for an Oracle DBI connection blob_params column_NAME column_type Returns a hash ref for the bind_param call to identify BLOB types used by the current database for a particular column type. The current Oracle implementation only supports ORA_CLOB types(112). apply_limits STATEMENTREF ROWS_PER_PAGE FIRST_ROW takes an SQL SELECT statement and massages it to return ROWS_PER_PAGE starting with FIRST_ROW; distinct_query STATEMENTREF takes an incomplete SQL SELECT statement and massages it to return a DISTINCT result set. AUTHOR
Jesse Vincent, jesse@fsck.com SEE ALSO
Jifty::DBI, Jifty::DBI::Handle, DBD::Oracle perl v5.14.2 2011-04-26 Jifty::DBI::Handle::Oracle(3pm)
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