[SERVER-8179] Allow indexes to live in a separate file/directory/disk Created: 15/Jan/13  Updated: 15/Jan/13  Resolved: 15/Jan/13

Status: Closed
Project: Core Server
Component/s: Index Maintenance
Affects Version/s: None
Fix Version/s: None

Type: New Feature Priority: Major - P3
Reporter: Nick Lloyd Assignee: Unassigned
Resolution: Duplicate Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Duplicate
duplicates SERVER-965 Store the indexes of a collection on ... Closed
Participants:

 Description   

It would be fantastic if we could store indexes on a separate disk, for instance an SSD, to mitigate the cost of fsync operations on non-contiguous pages in large datasets (think: indexes on arbitrary fields that are not incrementing, such as an email address). Working set for the index is less likely to be contiguous than for documents. In this situation fsync has a larger impact on performance.


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