enabled = true
  time_threshold =  30000 
  log_transactions = true

  log_statement_finish = true

  print_plan = true
  print_perf = true
  max_sql_length = 16384
  max_log_size = 9999999999

2014-06-27T09:15:28.2710 (7563:0x7f5d6e092090) COMMIT_TRANSACTION
	oltp30 (ATT_665, SYSDBA:NONE, NONE, TCPv4:192.168.43.62)
	C:\1INSTALL\FB25SNAP\bin\isql.exe:1680
		(TRA_285391, READ_COMMITTED | REC_VERSION | WAIT 5 | READ_WRITE)
      51 ms , 7 write(s), 453 fetch(es), 7 mark(s)

Table                             Natural     Index    Update    Insert    Delete   Backout     Purge   Expunge
***************************************************************************************************************
RDB$INDEX_SEGMENTS                                1         1                                                  
RDB$INDICES                                       2         1                                                  
RDB$RELATION_CONSTRAINTS                          4                                                            

execute statement( 'set statistics index '||idx_name ) with autonomous transaction;