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optional debugging for indexing ram usage

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This commit is contained in:
Eliot Horowitz
2010-02-20 16:25:10 -05:00
parent 6adaeeaa85
commit ebb37d118f
1 changed files with 10 additions and 2 deletions
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12
db/pdfile.cpp
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@@ -30,6 +30,7 @@ _ disallow system* manipulations from the database.
#include "../util/mmap.h"
#include "../util/hashtab.h"
#include "../util/file_allocator.h"
#include "../util/processinfo.h"
#include "btree.h"
#include <algorithm>
#include <list>
@@ -993,13 +994,14 @@ namespace mongo {
BSONObj order = idx.keyPattern();
idx.head.Null();
/* get and sort all the keys ----- */
unsigned long long n = 0;
auto_ptr<Cursor> c = theDataFileMgr.findAll(ns);
BSONObjExternalSorter sorter(order);
unsigned long long nkeys = 0;
ProgressMeter pm( d->nrecords , 10 );
if ( logLevel > 1 ) printMemInfo( "before index start" );
while ( c->ok() ) {
BSONObj o = c->current();
DiskLoc loc = c->currLoc();
@@ -1014,12 +1016,18 @@ namespace mongo {
sorter.add(*i, loc);
nkeys++;
}
c->advance();
n++;
pm.hit();
if ( logLevel > 1 && n % 10000 == 0 ){
printMemInfo( "\t iterating objects" );
}
};
if ( logLevel > 1 ) printMemInfo( "before final sort" );
sorter.sort();
if ( logLevel > 1 ) printMemInfo( "after final sort" );
log(t.seconds() > 5 ? 0 : 1) << "\t external sort used : " << sorter.numFiles() << " files " << " in " << t.seconds() << " secs" << endl;