copy tokustat.py from subversion. dont care about history.

scripts/tokustat.py

+#!/usr/bin/env python 
+
+import sys
+import time
+import re
+import MySQLdb
+
+def usage():
+    print "diff the tokudb engine status"
+    print "[--host=HOSTNAME] (default: localhost)"
+    print "[--port=PORT]"
+    print "[--sleeptime=SLEEPTIME] (default: 10 seconds)"
+    return 1
+
+def printit(stats, rs, sleeptime):
+    # print rs
+    for t in rs:
+        l = len(t) # grab the last 2 fields in t
+        k = t[l-2]
+        v = t[l-1]
+        # print k, v
+        if stats.has_key(k):
+            oldv = stats[k]
+            if v != oldv:
+                print k, "|", oldv, "|", v,
+                try:
+                    vi = int(v)
+                    oldvi = int(oldv)
+                    d = vi - oldvi
+                    if d <= 0 or d < sleeptime:
+                        raise "invalid"
+                    print "|", d, "|", d / sleeptime
+                except:
+                    print
+        stats[k] = v
+    print
+
+def main():
+    host = None
+    port = None
+    user = None
+    passwd = None
+    sleeptime = 10
+    q = 'show engine tokudb status'
+
+    for a in sys.argv[1:]:
+        if a == "-h" or a == "-?" or a == "--help":
+            return usage()
+        match = re.match("--(.*)=(.*)", a)
+        if match:
+            exec "%s='%s'" % (match.group(1),match.group(2))
+            continue
+        return usage()
+
+    connect_parameters = {}
+    if host is not None:
+        if host[0] == '/':
+            connect_parameters['unix_socket'] = host
+        else:
+            connect_parameters['host'] = host
+            if port is not None:
+                connect_parameters['port'] = int(port)
+    if user is not None:
+        connect_parameters['user'] = user
+    if passwd is not None:
+        connect_parameters['passwd'] = passwd
+
+    try:
+        db = MySQLdb.connect(**connect_parameters)
+    except:
+        print sys.exc_info()
+        return 1
+
+    print "connected"
+
+    stats = {}
+    while 1:
+        try:
+            c = db.cursor()
+            n = c.execute(q)
+            rs = c.fetchall()
+            db.commit()
+            c.close()
+        except:
+            print "db", sys.exc_info()
+            return 2
+
+        try:
+            printit(stats, rs, int(sleeptime))
+            time.sleep(int(sleeptime))
+        except:
+            print "printit", sys.exc_info()
+            return 3
+
+
+    return 0
+
+sys.exit(main())