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Top Forums Shell Programming and Scripting Need the distinct of these lines Post 302700303 by John K on Thursday 13th of September 2012 08:36:40 AM

09-13-2012

Registered User

Need the distinct of these lines

Red Hat Enterprise Linux 5.4

I have a text file (error log file) , which has occurences of an error message like

Code:

ORA-01652: unable to extend temp segment by 8 in tablespace xxxxx

There are around 3000 error messages like this in the error log file. But there are only 7 or 8 distinct tablespace names ( shown as xxxx above). The portion highlighted in red is same for all of the error messages. It is just the xxxx part that varies.

How can I get the distint occurences these error messages ?

Sample output of this file

Code:

SQL> create table vendor_dtl_clone1 tablespace TSTDATA
parallel (degree 4)
as select * from vendor_dtl;  2    3
create table vendor_dtl_clone1 tablespace tstdata
*
ERROR at line 1:
ORA-01652: unable to extend temp segment by 8 in tablespace TSTDATA

.
.
some text
.
some text
.
.
.
.
create table SHIP_TRACK_DTL
 (
 shp_track_dtl_id           number(9,0), 
 shp_guide_id               number(9,0), 
 orgn_zip               varchar2(11),
 shp_guide_type               varchar2(2), 
 create_date_time           date,        
 proc_stat_code               number(2,0),
 error_seq_nbr               number(9,0)
)
tablespace brsdata;
create table SHIP_TRACK_DTL tablespace brsdata
*
ERROR at line 1:
ORA-01652: unable to extend temp segment by 8 in tablespace BRSDATA

John K

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LEARN ABOUT DEBIAN

bup-margin

bup-margin(1)						      General Commands Manual						     bup-margin(1)

NAME

       bup-margin - figure out your deduplication safety margin

SYNOPSIS

       bup margin [options...]

DESCRIPTION

       bup margin  iterates  through  all  objects  in	your  bup repository, calculating the largest number of prefix bits shared between any two
       entries.  This number, n, identifies the longest subset of SHA-1 you could use and still encounter a collision between your object ids.

       For example, one system that was tested had a collection of 11 million objects (70 GB), and bup margin returned 45.  That  means  a  46-bit
       hash  would be sufficient to avoid all collisions among that set of objects; each object in that repository could be uniquely identified by
       its first 46 bits.

       The number of bits needed seems to increase by about 1 or 2 for every doubling of the number of objects.  Since SHA-1 hashes have 160 bits,
       that  leaves 115 bits of margin.  Of course, because SHA-1 hashes are essentially random, it's theoretically possible to use many more bits
       with far fewer objects.

       If you're paranoid about the possibility of SHA-1 collisions, you can monitor your repository by running bup margin occasionally to see	if
       you're getting dangerously close to 160 bits.

OPTIONS

       --predict
	      Guess  the offset into each index file where a particular object will appear, and report the maximum deviation of the correct answer
	      from the guess.  This is potentially useful for tuning an interpolation search algorithm.

       --ignore-midx
	      don't use .midx files, use only .idx files.  This is only really useful when used with --predict.

EXAMPLE

	      $ bup margin
	      Reading indexes: 100.00% (1612581/1612581), done.
	      40
	      40 matching prefix bits
	      1.94 bits per doubling
	      120 bits (61.86 doublings) remaining
	      4.19338e+18 times larger is possible

	      Everyone on earth could have 625878182 data sets
	      like yours, all in one repository, and we would
	      expect 1 object collision.

	      $ bup margin --predict
	      PackIdxList: using 1 index.
	      Reading indexes: 100.00% (1612581/1612581), done.
	      915 of 1612581 (0.057%)

SEE ALSO

       bup-midx(1), bup-save(1)

BUP

       Part of the bup(1) suite.

AUTHORS

       Avery Pennarun <apenwarr@gmail.com>.

Bup unknown-															     bup-margin(1)