12-02-2011
search a number in very very huge amount of data
Hi,
I have to search a number in a very long listing of files.the total size of the files in which I have to search is 10 Tera Bytes.
How to search a number in such a huge amount of data effectively.I used fgrep but it is taking many hours to search. Is there any other feasible solution to search in such huge data. Any way to serach effectively?
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search.h(3HEAD) Headers search.h(3HEAD)
NAME
search.h, search - search tables
SYNOPSIS
#include <search.h>
DESCRIPTION
The <search.h> header defines the ENTRY type for structure entry, which includes the following members:
char *key
void *data
and defines ACTION and VISIT as enumeration data types through type definitions as follows:
enum { FIND, ENTER } ACTION;
enum { preorder, postorder, endorder, leaf } VISIT;
The size_t type is defined as described in <sys/types.h>. See types.h(3HEAD).
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface Stability |Standard |
+-----------------------------+-----------------------------+
SEE ALSO
hsearch(3C), insque(3C), lsearch(3C), tsearch(3C), types.h(3HEAD), attributes(5), standards(5)
SunOS 5.10 10 Sep 2004 search.h(3HEAD)