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https://issues.apache.org/jira/browse/COUCHDB-325?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12698780#action_12698780
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Jan Lehnardt commented on COUCHDB-325:
--------------------------------------
Can you add some information about what exactly is eating the memory? Ruby or
CouchDB?
> Memory Leak in 9.0?
> -------------------
>
> Key: COUCHDB-325
> URL: https://issues.apache.org/jira/browse/COUCHDB-325
> Project: CouchDB
> Issue Type: Bug
> Affects Versions: 0.9
> Environment: gentoo linux on c1.medium aws instance
> Reporter: Rohit Amarnath
> Priority: Minor
> Fix For: 0.9
>
>
> I am using couchrest to transform a document from one database to another
> (millions of records). The memory usage continues to increase till all the
> memory is used. The process occasionally fails, but usually completes. I dont
> know enough about ruby/couchrest/couchdb to be able to tell you where the
> memory is increasing from - but if you give me some direction, I will be
> happy to take a look.
> If I comment out the save, it seems ok.
> Here is the code:
> --------------------------------
> require 'rubygems'
> require 'couchrest'
> @db = CouchRest.database!("http://127.0.0.1:5984/xfpds_2008";)
> @db2 = CouchRest.database!("http://127.0.0.1:5984/fpds_2008";)
> @streamer = CouchRest::Streamer.new(@db)
> @streamer.view("_all_docs") do |row|
> begin
> doc = @db.get(row["id"])
> # remove id so the new database gets fresh document
> doc.delete("_id")
> doc.delete("_rev")
> # change badgerfish notation to assign $ key value to parent
> doc["amounts"]["obligatedAmount"] = doc["amounts"]["obligatedAmount"]["$"]
> doc["amounts"]["baseAndAllOptionsValue"] =
> doc["amounts"]["baseAndAllOptionsValue"]["$"]
> doc["amounts"]["baseAndExercisedOptionsValue"] =
> doc["amounts"]["baseAndExercisedOptionsValue"]["$"]
> ...... A whole bunch of fields
> # save the document using bulk save
> response = @db2.save_doc(doc,true)
> rescue
> # if streamer ends, save last few documents
> @db2.bulk_save
> end
> end
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