Deleting a large number of files takes too long

• Type: Regression Bug
• Status: Closed
• Resolution: No Longer Reproducible
• Affects Version/s: 6.1.0 CE GA1
• Fix Version/s: 6.1.20 EE GA2, --Sprint 11/12, 6.2.0 CE M2
• Component/s: DM, Performance
• Labels: None
• Environment: Git rev d8633f74f55d7ef7756a08ecbb04942a9e3812fd
• Fix Priority: 3

Steps to reproduce:

1. Add a large number of files to the document library (>>1000).
2. Delete the files. Deleting the files takes a significant amount of time.

Preliminary tests show the following:

Delete of 1000 files took 0:00:31.918
Delete of 2000 files took 0:01:01.594
Delete of 3000 files took 0:02:04.556
Delete of 4000 files took 0:03:38.619
Delete of 5000 files took 0:07:01.596