Facebook scribe with hdfs

packages: libevent hadoop-0.20-libhdfs JDK for hdfs support Boost http://sourceforge.net/projects/boost/ ./bootstrap.sh ./bjam ./bjam install ...

17 February, 2012 · Logan Han

Flume DFO local storage usage check

It might be useful when flume driver failed. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 !/usr/bin/perl #Check flume DFO directory size sub trim($); use strict; use warnings; my $exit=0; my $backlog_size = `du -s flume | awk {‘print \$1’}`; $backlog_size = trim($backlog_size); if ( !$ARGV[0] || !$ARGV[1]) { ########################### Usage of the plugin print “check_flume_backlog critical_size warning_size \n”; exit 0; } ######################### Case 1 if State is Critical if ($backlog_size > $ARGV[0]) { print “Critical: “.$backlog_size.”b\n”; exit 2; } ######################## Case 2 if State is Warning if($backlog_size > $ARGV[1] || $backlog_size == 0) { print “Warning: “.$backlog_size.”b\n”; exit 1; } ######################## Case 3 if State is OK if($backlog_size < $ARGV[0] && $backlog_size < $ARGV[1]) { print “OK: “.$backlog_size.”b\n”; exit 0; } sub trim($) { my $string = shift; $string =~ s/^\s+//; $string =~ s/\s+$//; return $string; } And for centralised monitoring.. ...

30 January, 2012 · Logan Han

Default fixed version value when creating an issue in JIRA

You can try to add some JavaScript code to the field that will perform required operation for you, in this case it should be ‘Fix Version’ field. You can refer to this documentation as a guideline: http://confluence.atlassian.com/display/JIRACOM/Using+JavaScript+to+Set+Custom+Field+Values ...

24 January, 2012 · Logan Han

delete mplayerx history

http://code.google.com/p/mplayerx/issues/detail?id=517 launch Terminal, and use the command to clear the history - tested. ...

30 December, 2011 · Logan Han

Atlassian crowd authentication directory address force update

When you migrate atlassian product (confluence, jira etc etc) to somewhere else, your backup file includes fixed crowd address which is not gonna work for some cases. ...

28 December, 2011 · Logan Han