Class Innodb::LogGroup
In: lib/innodb/log_group.rb
Parent: Object

Group of InnoDB logs files that make up the redo log.

Methods

capacity   each_block   each_log   log   log_size   logs   max_checkpoint_lsn   new   reader   record   size   start_lsn  

Public Class methods

new(log_files)

Initialize group given a set of sorted log files.

Public Instance methods

capacity()

The log group capacity (in bytes).

each_block() {|block_index, block| ...}

Iterate through all blocks.

each_log() {|log| ...}

Iterate through all logs.

log(log_no)

Returns the log at the given position in the log group.

log_size()

The size in byes of each and every log in the group.

logs()

The number of log files in the group.

max_checkpoint_lsn()

Returns the LSN coordinates of the most recent (highest) checkpoint.

reader(lsn_coord = start_lsn)

Returns a LogReader using the given LSN reference coordinates.

record(lsn_no)

Parse and return a record at a given LSN.

size()

The size of the log group (in bytes)

start_lsn()

Returns the LSN coordinates of the data at the start of the log group.

[Validate]