Vishal Kanaujia
Issues
Projects
Project |
Roles |
Registered on |
CephFS |
Developer, Reporter |
05/25/2016 |
05/19/2017
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10:23 AM
CephFS
Bug #17468 (Closed): CephFs: IO Pauses for more than a 40 seconds, while running write intensive IOs
- Unable to consistently reproduce the bug.
Vishal Kanaujia
12/07/2016
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09:58 AM
CephFS
Feature #17835 (In Progress): mds: enable killpoint tests for MDS-MDS subtree export
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Vishal Kanaujia
11/28/2016
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07:03 AM
CephFS
Feature #12132 (In Progress): cephfs-data-scan: Cleanup phase
- The following xattrs are added to zeroth object:
#define XATTR_CEILING "scan_ceiling"
#define XATTR_MAX_MTIME "...
Vishal Kanaujia
10/15/2016
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08:28 AM
CephFS
Bug #17468: CephFs: IO Pauses for more than a 40 seconds, while running write intensive IOs
- Further analysis of I/O drop points to correlation of MDS config parameter mds_log_max_segments and I/O drop. Using d...
Vishal Kanaujia
10/13/2016
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12:45 PM
CephFS
Bug #17468: CephFs: IO Pauses for more than a 40 seconds, while running write intensive IOs
- John, there are two test cases.
1. Load files into file system. We created 900k files of 1k size
2. Run I/O tests s...
Vishal Kanaujia
10/04/2016
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12:38 PM
CephFS
Bug #17468: CephFs: IO Pauses for more than a 40 seconds, while running write intensive IOs
- 1. MDS runs with default configuration.
2. On MDS node, I ran following commands:
# ceph --admin-daemon ceph-md...
Vishal Kanaujia
10/03/2016
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01:42 PM
CephFS
Bug #17468 (In Progress): CephFs: IO Pauses for more than a 40 seconds, while running write intensive IOs
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Vishal Kanaujia
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01:27 PM
CephFS
Bug #17468: CephFs: IO Pauses for more than a 40 seconds, while running write intensive IOs
- I collected stack unwind traces in MDS process while no I/O was observed during write ops on cephFS. Stack trace freq...
Vishal Kanaujia
09/14/2016
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07:11 AM
CephFS
Bug #17231 (Resolved): CephFS : IOs get terminated while reading/writing on larger files
- It was a tool use case problem, unrelated to CephFS. Closing the bug.
Vishal Kanaujia
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07:09 AM
CephFS
Bug #17231: CephFS : IOs get terminated while reading/writing on larger files
- The problem lied with usage of VDbench. If you have 256 threads, but 10 files, VDBench might fail.
From VDBench us...
Vishal Kanaujia
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