Apache
/
hbase
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

HBASE-20245 HTrace commands do not work

This commit is contained in:
Balazs Meszaros 2018-03-23 17:02:04 +01:00 committed by Michael Stack
parent e962e1ac2f
commit 72e6d7c073
1 changed files with 13 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
hbase-shell/src/main/ruby/shell/commands/trace.rb
View File

@ -16,13 +16,18 @@
# See the License for the specific language governing permissions and # See the License for the specific language governing permissions and
# limitations under the License. # limitations under the License.
# #
HTrace = org.apache.htrace.core.Tracer
java_import org.apache.htrace.core.Sampler
java_import org.apache.hadoop.hbase.trace.SpanReceiverHost java_import org.apache.hadoop.hbase.trace.SpanReceiverHost
module Shell module Shell
module Commands module Commands
class Trace < Command class Trace < Command
@@conf = org.apache.htrace.core.HTraceConfiguration.fromKeyValuePairs(
'sampler.classes', 'org.apache.htrace.core.AlwaysSampler'
)
@@tracer = org.apache.htrace.core.Tracer::Builder.new('HBaseShell').conf(@@conf).build()
@@tracescope = nil
def help def help
<<-EOF <<-EOF
Start or Stop tracing using HTrace. Start or Stop tracing using HTrace.
@ -55,16 +60,19 @@ EOF
@@receiver ||= SpanReceiverHost.getInstance(@shell.hbase.configuration) @@receiver ||= SpanReceiverHost.getInstance(@shell.hbase.configuration)
if startstop == 'start' if startstop == 'start'
unless tracing? unless tracing?
@@tracescope = HTrace.startSpan(spanname, Sampler.ALWAYS) @@tracescope = @@tracer.newScope(spanname)
end end
elsif startstop == 'stop' elsif startstop == 'stop'
@@tracescope.close if tracing? if tracing?
@@tracescope.close
@@tracescope = nil
end
end end
tracing? tracing?
end end
def tracing? def tracing?
HTrace.isTracing @@tracescope != nil
end end
end end
end end