test/crimson/cbt: increase stddev variance to 2.0

as per Mark requests. we've being observing

```
03:55:21 - WARNING  - cbt      - prefill/incerta04.front.sepia.ceph.com/1: iops_stddev: (or (less) (near 0.50)):: 434.037/69.2122  => rejected
...
04:37:52 - WARNING  - cbt      - rand/incerta04.front.sepia.ceph.com/0: iops_stddev: (or (less) (near 0.50)):: 3830.51/2473.17  => rejected
...
04:37:52 - WARNING  - cbt      - rand/incerta04.front.sepia.ceph.com/1: iops_avg: (or (greater) (near 0.05)):: 53916.0/57375.0  => rejected
```

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/src/test/crimson/cbt/radosbench_4K_read.yaml b/src/test/crimson/cbt/radosbench_4K_read.yaml
index c1b915ff2d9acae6bad762b6cf4c5b7084689fa2..71576d479ecac0057c497131b8ea4135a137879a 100644 (file)
--- a/src/test/crimson/cbt/radosbench_4K_read.yaml
+++ b/src/test/crimson/cbt/radosbench_4K_read.yaml
@@ -18,7 +18,7 @@ tasks:
         acceptable:
           bandwidth: '(or (greater) (near 0.05))'
           iops_avg: '(or (greater) (near 0.05))'
-          iops_stddev: '(or (less) (near 0.20))'
+          iops_stddev: '(or (less) (near 2.00))'
           latency_avg: '(or (less) (near 0.05))'
     monitoring_profiles:
       perf:

diff --git a/src/test/crimson/cbt/radosbench_4K_write.yaml b/src/test/crimson/cbt/radosbench_4K_write.yaml
index 997aed955be5a33a9438cd9748bcd6e73a118d6a..59f9a2a56aaf48c292c3a40c0a14acb87f6e660d 100644 (file)
--- a/src/test/crimson/cbt/radosbench_4K_write.yaml
+++ b/src/test/crimson/cbt/radosbench_4K_write.yaml
@@ -16,7 +16,7 @@ tasks:
         acceptable:
           bandwidth: '(or (greater) (near 0.05))'
           iops_avg: '(or (greater) (near 0.05))'
-          iops_stddev: '(or (less) (near 0.20))'
+          iops_stddev: '(or (less) (near 2.00))'
           latency_avg: '(or (less) (near 0.05))'
     monitoring_profiles:
       perf: