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202 LICENSE.txt
@@ -0,0 +1,202 @@
+
+ Apache License
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+
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62 bin/hk-colorize
@@ -0,0 +1,62 @@
+#!/usr/bin/env python
+# Copyright (c) 2011, Cloudera inc
+
+import sys
+import re
+from optparse import OptionParser
+
+COLORS = {
+ 'bold': '\033[1m',
+ 'italic': '\033[3m',
+ 'underline': '\033[4m',
+ 'inverse': '\033[7m',
+
+ 'red': '\033[31m',
+ 'green': '\033[32m',
+ 'yellow': '\033[33m',
+ 'blue': "\033[34m",
+ 'purple': "\033[35m",
+ 'lightblue': "\033[36m",
+ 'white': "\033[37m",
+
+ 'redbg': '\033[41m',
+ 'greenbg': '\033[42m',
+ 'yellowbg': '\033[43m',
+ 'bluebg': "\033[44m",
+ 'purplebg': "\033[45m",
+ 'lightbluebg': "\033[46m",
+ 'whitebg': "\033[47m",
+
+ 'end': "\033[0m"
+}
+
+
+parser = OptionParser()
+parser.add_option("-o", "--only-colored-lines", dest="only_colored", action="store_true")
+parser.usage = "%s <color hash>"
+
+options, args = parser.parse_args()
+
+if len(args) != 1:
+ options.print_help(sys.stderr)
+ sys.exit(1)
+
+colors = eval(args[0])
+
+def make_repl(color):
+ parts = color.split(",")
+ return ("".join(COLORS[part.strip()] for part in parts) +
+ r'\g<0>' + COLORS['end'])
+
+pairs = [(re.compile(regex), make_repl(colorspec))
+ for regex,colorspec in colors.iteritems()]
+
+
+for line in sys.stdin.xreadlines():
+ made_sub = 0
+ for r, repl in pairs:
+ line,count = re.subn(r, repl, line)
+ made_sub += count
+
+ if not options.only_colored or made_sub > 0:
+ print line,
17 bin/hk-jgrep
@@ -0,0 +1,17 @@
+#!/bin/bash
+# Copyright (c) 2011, Cloudera, inc.
+
+if [ $# -ne 1 ]; then
+ echo "usage: $0 <java process name>"
+ echo
+ echo e.g.: jgrep HRegionServer
+ exit 1
+fi
+
+RES=$(jps | grep "$@" | awk '{print $1}')
+if [ -z "$RES" ]; then
+ exit 1
+else
+ echo "$RES"
+fi
+
25 bin/hk-jkill
@@ -0,0 +1,25 @@
+#!/bin/bash
+# Copyright (c) 2011, Cloudera, inc.
+
+BINDIR=$(dirname $BASH_SOURCE)
+
+if [[ $1 == -* ]]; then
+ SIGNAL=$1
+ shift
+fi
+
+if [ $# -ne 1 ]; then
+ echo "usage: $0 [-SIGNAL] <java process name>"
+ echo
+ echo e.g.: jkill -9 HRegionServer
+ exit 1
+fi
+
+set -e
+PIDS=$($BINDIR/hk-jgrep $1)
+if [ -z "$PIDS" ]; then
+ echo pid for $@ not found
+ exit 1
+else
+ kill $SIGNAL $PIDS
+fi
71 bin/hk-jstack
@@ -0,0 +1,71 @@
+#!/bin/bash
+# Copyright (c) 2011, Cloudera, inc.
+
+PID=$1
+if [ -z "$PID" ]; then
+ echo usage: $0 pid
+ exit 1
+fi
+
+determine_exe() {
+ PID=$1
+
+ # Try looking in proc for full path
+ res=$(readlink -f /proc/$PID/exe)
+ if [ "$?" -eq 0 ]; then
+ echo $res
+ return
+ fi
+
+ # Might not have permissions to do that, see if command
+ # line is an absolute path
+ argv0=$(cut -d "$(printf "\x00")" -f 1 /proc/$PID/cmdline)
+ if [[ "$argv0" == /* ]]; then
+ echo $argv0
+ return
+ fi
+ return -1
+}
+
+
+EXE=$(determine_exe $PID)
+if [ -z "$EXE" ] || [ ! -x "$EXE" ]; then
+ echo Could not determine executable path for pid $PID
+ exit 1
+fi
+
+EXE_BASE=$(basename "$EXE")
+if [ "$EXE_BASE" != "java" ]; then
+ echo Pid $PID does not appear to be a JVM.
+ echo Executable $EXE is not java!
+fi
+
+case "$EXE" in
+ */jre/bin/java)
+ JAVA_HOME=${EXE%jre/bin/java}
+ JSTACK="$JAVA_HOME/bin/jstack"
+ ;;
+ */bin/java)
+ JSTACK="$(dirname $EXE)/jstack"
+ ;;
+ *)
+ echo Executable $EXE does not appear to be in the normal
+ echo Sun JRE directory layout. Expected .../jre/bin/java
+ exit 1
+ ;;
+esac
+
+if [ ! -x "$JSTACK" ]; then
+ echo No jstack found at $JSTACK
+ JSTACK=$(which jstack 2>/dev/null)
+ if [ "$?" -eq 0 ]; then
+ echo Will attempt to use the one on your path: $JSTACK
+ else
+ echo Also, none found on path!
+ exit 1
+ fi
+fi
+
+JAVA_UID=$(cat /proc/$PID/status | grep Uid | awk '{print $2}')
+
+sudo -u#$JAVA_UID $JSTACK $PID
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