Hi, Thanks Andrew, Sage & Dmick for the help! The answer is that the rados tasks runs in parallel by default. It is enough to nest it in a sequential task to make it sequential. A contrario you can use the parallel task around a sequential task to run it in the background. The trick is to figure out what tasks are running the background by default and which one do not. Cheers On 26/03/2015 23:44, Loic Dachary wrote: > Hi Zack, > > I'm trying to figure out why > > http://pulpito.ceph.com/loic-2015-03-26_21:18:14-upgrade:firefly-x:stress-split-erasure-code-hammer---basic-multi/822784/ > > failed when the same run succeeded at > > http://pulpito.ceph.com/loic-2015-03-26_15:22:43-upgrade:firefly-x:stress-split-erasure-code-hammer---basic-multi/822782/ > > I'm kind of blocked trying to figure out why the print statement is run before the first rados run completes at: > > 2015-03-26T13:33:38.178 INFO:teuthology.orchestra.run.burnupi31.stderr:osds 0,1,2,3,4,5,6,7,8,9,10,11,12,13 instructed to deep-scrub > 2015-03-26T13:33:38.189 INFO:teuthology.run_tasks:Running task rados... > 2015-03-26T13:33:38.209 INFO:tasks.rados:Beginning rados... > 2015-03-26T13:33:38.210 INFO:teuthology.run_tasks:Running task print... > 2015-03-26T13:33:38.210 INFO:teuthology.task.print:**** done rados ec-cache-agent (part 1) > 2015-03-26T13:33:38.210 INFO:teuthology.run_tasks:Running task install.upgrade... > 2015-03-26T13:33:38.211 INFO:teuthology.task.install:project ceph config {'osd.0': None} overrides {'sha1': '6994648bc443429dc2edfbb38fbaaa9a19e2bdd1'} > 2015-03-26T13:33:38.211 INFO:teuthology.task.install:extra packages: [] > 2015-03-26T13:33:38.211 INFO:teuthology.task.install:remote ubuntu@xxxxxxxxxxxxxxxxxxxxxxxxxxxx config {'sha1': '6994648bc443429dc2edfbb38fbaaa9a19e2bdd1'} > 2015-03-26T13:33:38.212 INFO:teuthology.orchestra.run.mira119:Running: 'sudo lsb_release -is' > 2015-03-26T13:33:38.213 INFO:tasks.rados:clients are ['client.0'] > 2015-03-26T13:33:38.213 INFO:tasks.rados:starting run 0 out of 1 > 2015-03-26T13:33:38.214 INFO:teuthology.orchestra.run.burnupi31:Running: 'CEPH_CLIENT_ID=0 adjust-ulimits ceph-coverage /home/ubuntu/cephtest/archive/coverage ceph_test_rados --op read 100 --op write 100 --op delete 50 --max-ops 4000 --objects 500 --max-in-flight 16 --size 4000000 --min-stride-size 400000 --max-stride-size 800000 --max-seconds 0 --op copy_from 50 --pool ecbase' > 2015-03-26T13:33:38.229 INFO:tasks.rados.rados.0.burnupi31.stdout:adding op weight read -> 100 > 2015-03-26T13:33:38.230 INFO:tasks.rados.rados.0.burnupi31.stdout:adding op weight write -> 100 > 2015-03-26T13:33:38.230 INFO:tasks.rados.rados.0.burnupi31.stdout:adding op weight delete -> 50 > > although the config reads: > > ... > - ceph osd pool set eccache target_max_objects 250 > - exec: > client.0: > - ceph osd deep-scrub '*' > - rados: > clients: > - client.0 > objects: 500 > op_weights: > copy_from: 50 > delete: 50 > read: 100 > write: 100 > ops: 4000 > pools: > - ecbase > - print: '**** done rados ec-cache-agent (part 1)' > - install.upgrade: > osd.0: null > - ceph.restart: > > ... > > I'm kind of worried I'll make a fool of myself once more. This time it spells "task" and not "tasks" ;-) > > Cheers > -- Loïc Dachary, Artisan Logiciel Libre
Attachment:
signature.asc
Description: OpenPGP digital signature
