qa/workunits/hadoop-wordcount: use -x

Signed-off-by: Sage Weil <sage@redhat.com>
qa/workunits/hadoop-wordcount: fix/use -rmr command

-rm -r -f ... doesn't seem to work; use -rmr instead.

Signed-off-by: Sage Weil <sage@redhat.com>
qa/workunits/hadoop: move all hadoop tests into a hadoop/ dir

Signed-off-by: Sage Weil <sage@redhat.com>
mon: make reweight-by-* sanity limits configurable

Also drop the somewhat redundant osd_sum.kb check; the main thing we care
about here is

Signed-off-by: Sage Weil <sage@redhat.com>
Merge pull request #2279 from ceph/wip-hadoop

fix and reorg hadoop workunits

Reviewed-by: Greg Farnum <greg@inktank.com>
Merge pull request #2287 from ceph/wip-reweight-tunables

mon: make reweight-by-* sanity limits configurable

Reviewed-by: Greg Farnum <greg@inktank.com>
Merge remote-tracking branches 'upstream/wip-9144', 'origin/wip-9054' and 'guangyy/wip-pg-splitting' into wip-sam-testing