Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- #!/usr/bin/perl
- #
- # memcached-tool:
- # stats/management tool for memcached.
- #
- # Author:
- # Brad Fitzpatrick <brad@danga.com>
- #
- # License:
- # public domain. I give up all rights to this
- # tool. modify and copy at will.
- #
- use strict;
- use IO::Socket::INET;
- my $host = shift;
- my $mode = shift || "display";
- my ($from, $to);
- if ($mode eq "display") {
- undef $mode if @ARGV;
- } elsif ($mode eq "move") {
- $from = shift;
- $to = shift;
- undef $mode if $from < 6 || $from > 17;
- undef $mode if $to < 6 || $to > 17;
- print STDERR "ERROR: parameters out of range\n\n" unless $mode;
- } elsif ($mode eq 'dump') {
- ;
- } elsif ($mode eq 'stats') {
- ;
- } else {
- undef $mode;
- }
- undef $mode if @ARGV;
- die
- "Usage: memcached-tool <host[:port]> [mode]\n
- memcached-tool 10.0.0.5:11211 display # shows slabs
- memcached-tool 10.0.0.5:11211 # same. (default is display)
- memcached-tool 10.0.0.5:11211 stats # shows general stats
- memcached-tool 10.0.0.5:11211 dump # dumps keys and values
- " unless $host && $mode;
- $host .= ":11211" unless $host =~ /:\d+/;
- my $sock = IO::Socket::INET->new(PeerAddr => $host,
- Proto => 'tcp');
- die "Couldn't connect to $host\n" unless $sock;
- if ($mode eq 'dump') {
- my %items;
- my $totalitems;
- print $sock "stats items\r\n";
- while (<$sock>) {
- last if /^END/;
- if (/^STAT items:(\d*):number (\d*)/) {
- $items{$1} = $2;
- $totalitems += $2;
- }
- }
- print STDERR "Dumping memcache contents\n";
- print STDERR " Number of buckets: " . scalar(keys(%items)) . "\n";
- print STDERR " Number of items : $totalitems\n";
- foreach my $bucket (sort(keys(%items))) {
- print STDERR "Dumping bucket $bucket - " . $items{$bucket} . " total items\n";
- print $sock "stats cachedump $bucket $items{$bucket}\r\n";
- my %keyexp;
- while (<$sock>) {
- last if /^END/;
- # return format looks like this
- # ITEM foo [6 b; 1176415152 s]
- if (/^ITEM (\S+) \[.* (\d+) s\]/) {
- $keyexp{$1} = $2;
- }
- }
- foreach my $k (keys(%keyexp)) {
- print $sock "get $k\r\n";
- my $response = <$sock>;
- if ($response =~ /VALUE (\S+) (\d+) (\d+)/) {
- my $flags = $2;
- my $len = $3;
- my $val;
- read $sock, $val, $len;
- print "add $k $flags $keyexp{$k} $len\r\n$val\r\n";
- # get the END
- $_ = <$sock>;
- $_ = <$sock>;
- }
- }
- }
- exit;
- }
- if ($mode eq 'stats') {
- my %items;
- print $sock "stats\r\n";
- while (<$sock>) {
- last if /^END/;
- chomp;
- if (/^STAT\s+(\S*)\s+(.*)/) {
- $items{$1} = $2;
- }
- }
- printf ("#%-17s %5s %11s\n", $host, "Field", "Value");
- foreach my $name (sort(keys(%items))) {
- printf ("%24s %12s\n", $name, $items{$name});
- }
- exit;
- }
- # display mode:
- my %items; # class -> { number, age, chunk_size, chunks_per_page,
- # total_pages, total_chunks, used_chunks,
- # free_chunks, free_chunks_end }
- print $sock "stats items\r\n";
- while (<$sock>) {
- last if /^END/;
- if (/^STAT items:(\d+):(\w+) (\d+)/) {
- $items{$1}{$2} = $3;
- }
- }
- print $sock "stats slabs\r\n";
- while (<$sock>) {
- last if /^END/;
- if (/^STAT (\d+):(\w+) (\d+)/) {
- $items{$1}{$2} = $3;
- }
- }
- print " # Item_Size Max_age Pages Count Full? Evicted Evict_Time OOM\n";
- foreach my $n (1..40) {
- my $it = $items{$n};
- next if (0 == $it->{total_pages});
- my $size = $it->{chunk_size} < 1024 ?
- "$it->{chunk_size}B" :
- sprintf("%.1fK", $it->{chunk_size} / 1024.0);
- my $full = $it->{free_chunks_end} == 0 ? "yes" : " no";
- printf("%3d %8s %9ds %7d %7d %7s %8d %8d %4d\n",
- $n, $size, $it->{age}, $it->{total_pages},
- $it->{number}, $full, $it->{evicted},
- $it->{evicted_time}, $it->{outofmemory});
- }
Add Comment
Please, Sign In to add comment