A Profile
Specific configuration inception
The second profile part
1 pt-osc portion
inception_osc_critical_thread_connected default 1000 total number of connections
inception_osc_critical_thread_running default number of concurrent connections 80
inception_osc_chunk_size default operation 1000 lines per row
inception_osc_max_lag 3s default maximum delay from the library
inception_osc_recursion_method default mode from the library found to show processlist
inception_osc_min_table_size = 1 default 16M pt-osc using the threshold value (table size)
inception_osc_bin_dir = / usr / bin pt- osc path
2 create part
inception_enable_nullable = 0 is the default null columns may be provided
to enable the blob field inception_enable_blob_type
inception_check_column_default_value = Default column detection. 1
3 Common settings
character-set-server = utf8 default utf8
Consider the case of a three
1 inception DDL operations delay time from the viewpoint of the library and the master library loads both
2 inception obtain DDL progress