Class: Maatkit::SlavePrefetch

Inherits:
Object
  • Object
show all
Defined in:
lib/maatkit-ruby/mk-slave-prefetch.rb

Overview

Pipeline relay logs on a MySQL slave to pre-warm caches.

Maatkit::SlavePrefetch.new( array, str, array)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ SlavePrefetch

Returns a new SlavePrefetch Object



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 67

def initialize()
end

Instance Attribute Details

#ask_pass ⇒ Object

FALSE



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 15

def ask_pass
  @ask_pass
end

#charset ⇒ Object

(No # value)



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 16

def charset
  @charset
end

#check_interval ⇒ Object

16,1,1024



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 17

def check_interval
  @check_interval
end

#config ⇒ Object

/etc/maatkit/maatkit.conf,/etc/maatkit/mk_slave_prefetch.conf,/home/joel/.maatkit.conf,/home/joel/.mk_slave_prefetch.conf



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 18

def config
  @config
end

#continue_on_error ⇒ Object

TRUE



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 19

def continue_on_error
  @continue_on_error
end

#daemonize ⇒ Object

FALSE



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 20

def daemonize
  @daemonize
end

#database ⇒ Object

(No # value)



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 21

def database
  @database
end

#defaults_file ⇒ Object

(No # value)



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 22

def defaults_file
  @defaults_file
end

#dry_run ⇒ Object

FALSE



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 23

def dry_run
  @dry_run
end

#errors ⇒ Object

0



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 24

def errors
  @errors
end

#execute ⇒ Object

FALSE



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 25

def execute
  @execute
end

#help ⇒ Object

TRUE



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 26

def help
  @help
end

#host ⇒ Object

(No # value)



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 27

def host
  @host
end

#inject_columns ⇒ Object

TRUE



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 28

def inject_columns
  @inject_columns
end

#io_lag ⇒ Object

1024



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 29

def io_lag
  @io_lag
end

#log ⇒ Object

(No # value)



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 30

def log
  @log
end

#max_query_time ⇒ Object

1



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 31

def max_query_time
  @max_query_time
end

#num_prefix ⇒ Object

FALSE



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 32

def num_prefix
  @num_prefix
end

#offset ⇒ Object

128



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 33

def offset
  @offset
end

#password ⇒ Object

(No # value)



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 34

def password
  @password
end

#path_to_mk_slave_prefetch ⇒ Object

Sets the executable path, otherwise the environment path will be used.



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 62

def path_to_mk_slave_prefetch
  @path_to_mk_slave_prefetch
end

#permit_regexp ⇒ Object

(No # value)



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 35

def permit_regexp
  @permit_regexp
end

#pid ⇒ Object

(No # value)



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 36

def pid
  @pid
end

#port ⇒ Object

(No # value)



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 37

def port
  @port
end

#print ⇒ Object

FALSE



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 38

def print
  @print
end

#print_nonrewritten ⇒ Object

FALSE



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 39

def print_nonrewritten
  @print_nonrewritten
end

#progress ⇒ Object

(No # value)



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 40

def progress
  @progress
end

#query_sample_size ⇒ Object

4



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 41

def query_sample_size
  @query_sample_size
end

#reject_regexp ⇒ Object

(No # value)



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 42

def reject_regexp
  @reject_regexp
end

#relay_log ⇒ Object

(No # value)



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 43

def relay_log
  @relay_log
end

#relay_log_dir ⇒ Object

(No # value)



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 44

def relay_log_dir
  @relay_log_dir
end

#run_time ⇒ Object

(No # value)



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 45

def run_time
  @run_time
end

#secondary_indexes ⇒ Object

FALSE



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 46

def secondary_indexes
  @secondary_indexes
end

#sentinel ⇒ Object

/tmp/mk_slave_prefetch_sentinel



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 47

def sentinel
  @sentinel
end

#set_vars ⇒ Object

wait_timeout=10000



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 48

def set_vars
  @set_vars
end

#sleep ⇒ Object

1



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 49

def sleep
  @sleep
end

#socket ⇒ Object

(No # value)



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 50

def socket
  @socket
end

#statistics ⇒ Object

FALSE



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 51

def statistics
  @statistics
end

#stop ⇒ Object

FALSE



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 52

def stop
  @stop
end

#threads ⇒ Object

2



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 53

def threads
  @threads
end

#tmpdir ⇒ Object

/dev/null



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 54

def tmpdir
  @tmpdir
end

#user ⇒ Object

(No # value)



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 55

def user
  @user
end

#version ⇒ Object

FALSE



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 56

def version
  @version
end

#window ⇒ Object

4096



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 57

def window
  @window
end

Instance Method Details

#start(options = nil) ⇒ Object

Execute the command



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# File 'lib/maatkit-ruby/mk-slave-prefetch.rb', line 73

def start(options = nil)
  tmp = Tempfile.new('tmp')
  command = option_string() + options.to_s + " 2> " + tmp.path
  success = system(command)
  if success
    begin
      while (line = tmp.readline)
        line.chomp
        selected_string = line
      end
    rescue EOFError
      tmp.close
    end
    return selected_string
  else
    tmp.close!
    return success
  end
end