Re: rman ? nfs ? slow

From: lfree <aaa_at_163.com>
Date: Fri, 2 Jan 2009 09:19:59 +0800
Message-ID: <gjjq40$gus$1_at_news.cn99.com>



> I use rman backup product database on OS windows(2003 R2 standard 64
> edition ) ,I check to find
> it is slow (vs Linux rhel 4.3 ). My nfs server use SFU for windows.
>
> windows:
>
> => select * from v$version ;
> BANNER
> ----------------------------------------------------------------
> Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bi
> PL/SQL Release 10.2.0.4.0 - Production
> CORE 10.2.0.4.0 Production
> TNS for 64-bit Windows: Version 10.2.0.4.0 - Production
> NLSRTL Version 10.2.0.4.0 - Production
>
> SELECT start_time, end_time, status, input_type, elapsed_seconds,
> compression_ratio, TRIM (input_bytes_display) inputb,
> TRIM (output_bytes_display) outputb,
> TRIM (input_bytes_per_sec_display) input,
> TRIM (output_bytes_per_sec_display) output,
> TRIM (time_taken_display) TIME
> FROM v$rman_backup_job_details
> WHERE start_time > TRUNC (SYSDATE) - 1;
>
> START_TIME END_TIME STATUS INPUT_TYPE
> ELAPSED_SECONDS COMPRESSION_RATIO INPUTB OUTPUTB INPUT OUTPUT TIME
> ------------------- ------------------- ---------------- ---------- ------
--

> ------- ----------------- -------- -------- -------- -------- ----------
> 2008-12-31 20:03:06 2008-12-31 20:19:37 COMPLETED ARCHIVELOG
> 991 2.59272 1.02G 402.88M 1.05M 416.29K 00:16:31
>
> output_bytes_per_sec_display = 416.29K.
>

>>Hi,

>>I see you are using compression. Are the CPU's saturated on the
>>Microsoft server?
YES. I use compression. CPU is Intel Xenon X5460 3.16Ghz ,memory=8G.
Received on Thu Jan 01 2009 - 19:19:59 CST

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