- **status**: unassigned --> assigned
- **assigned_to**: A V Mahesh (AVM)
- **Comment**:
will be investigated
---
** [tickets:#1849] CKPT : Performance degradation upto 200%**
**Status:** assigned
**Milestone:** 5.0.1
**Created:** Wed May 25, 2016 07:29 AM UTC by Srikanth R
**Last Updated:** Wed May 25, 2016 07:29 AM UTC
**Owner:** A V Mahesh (AVM)
Changeset : 7640
Setup : SUSE 11 on Physical machines.
There is considerable degradation in CKPT performance in 5.0 when compared to
4.7. The times are calculated just before api and after api for which time
difference is calculated.
-> For write operations, checkpoint write api is taking more than 3 times
the earlier value in 4.7. Issue is observed in both synchronous and
asynchronous mode.
( synchronous -- Checkpoint create flags used : SA_CKPT_WR_ALL_REPLICAS
asynchronous -- Checkpoint create flag used : SA_CKPT_WR_ACTIVE_REPLICA |
SA_CKPT_CHECKPOINT_COLLOCATED )
-> For section create operations in synchronous mode, checkpoint section
create api is taking more than 33% the earlier value in 4.7
-> For read operations in synchronous mode, checkpoint read api is taking
more than 15% the earlier value in 4.7
Please check the tickets pushed as part of 4.7 to 5.0, for which API
performance got affected.
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