note 107543 added to mongogridfs.storefile

From: Date: Thu, 16 Feb 2012 13:50:29 +0000
Subject: note 107543 added to mongogridfs.storefile
Groups: php.notes 
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Pass $options['safe'] = true; to make Mongo slow down and do inserts sequentially instead of in parallel. Use case: I had 274 PDF documents stored on ext3 disk (avg. size was 5MB, none over 20MB) A PHP loop loaded each PDF, then did a $GridFS->storeFile( $data, $meta ); This caused server to spike from load average of 0.2 to over 20.0 Apparently what was happening is the loop slammed Mongo (then memory, disk) with 274 convert/stores to do all at once. Adding $GridFS->storeFile( $data, $meta, array( 'safe' => true ) ); made the loop slow down and wait for each insert to finish and be confirmed before going on to next PDF. Moral: Safe option can be used to maintain sanity and is not always just for data validity. ---- Server IP: 192.41.42.26 Probable Submitter: 70.91.82.193 ---- Manual Page -- http://www.php.net/manual/en/mongogridfs.storefile.php Edit -- https://master.php.net/note/edit/107543 Del: integrated -- https://master.php.net/note/delete/107543/integrated Del: useless -- https://master.php.net/note/delete/107543/useless Del: bad code -- https://master.php.net/note/delete/107543/bad+code Del: spam -- https://master.php.net/note/delete/107543/spam Del: non-english -- https://master.php.net/note/delete/107543/non-english Del: in docs -- https://master.php.net/note/delete/107543/in+docs Del: other reasons-- https://master.php.net/note/delete/107543 Reject -- https://master.php.net/note/reject/107543 Search -- https://master.php.net/manage/user-notes.php

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