[DOCS-1757] Comment on: "manual/core/journaling.txt" Created: 29/Jul/13  Updated: 03/Nov/17  Resolved: 29/Jul/13

Status: Closed
Project: Documentation
Component/s: None
Affects Version/s: None
Fix Version/s: 01112017-cleanup

Type: Improvement Priority: Major - P3
Reporter: Nicholas Tang Assignee: Sam Kleinman (Inactive)
Resolution: Done Votes: 0
Labels: collector-298ba4e7
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified
Environment:

Location: http://docs.mongodb.org/manual/core/journaling/
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/28.0.1500.71 Safari/537.36
Referrer: https://www.google.com/
Screen Resolution: 1920 x 1200
repo: docs
source: core/journaling


Participants:
Days since reply: 10 years, 29 weeks, 2 days ago

 Description   

"Bug" in the code...

"Note Depending on your file system, you might experience a preallocation lag the first time you start a mongod instance with journaling enabled. MongoDB preallocates journal files if it is faster on your file system to create files of a pre-defined. The amount of time required to pre-allocate lag might last several minutes, during which you will not be able to connect to the database. This is a one-time preallocation and does not occur with future invocations."

1.) We have an incomplete sentence there, and it doesn't really make sense.
2.) We don't explain how MongoDB determines this; is it specific hard-coded filesystems, or does it try and then make a decision based on that, or...?

Thanks,
Nicholas



 Comments   
Comment by auto [ 29/Jul/13 ]

Author:

{u'username': u'tychoish', u'name': u'Sam Kleinman', u'email': u'samk@10gen.com'}

Message: DOCS-1757: clarifying broken sentence.
Branch: master
https://github.com/mongodb/docs/commit/4a9f16dd2ef5ba342969a7fb0fe3c36ff8b2194b

Comment by Sam Kleinman (Inactive) [ 29/Jul/13 ]

https://github.com/mongodb/mongo/blob/master/src/mongo/db/dur_journal.cpp#L263

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