## Notes 

• node_id 

Reporting node ID 

• block_instance 

LDM instance ID 

• fragment_num 

Fragment identifier 

• ex_req 

Exclusive lock requests started 

• ex_imm_ok 

Exclusive lock requests immediately granted 

• ex_wait_ok 

Exclusive lock requests granted following wait 

• ex_wait_fail 

Exclusive lock requests not granted 

• sh_req 

Shared lock requests started 

• sh_imm_ok 

Shared lock requests immediately granted 

• sh_wait_ok 

Shared lock requests granted following wait 

• sh_wait_fail 

Shared lock requests not granted 

• wait_ok_millis 

Time spent waiting for lock requests that were granted, in milliseconds 

• wait_fail_millis 

Time spent waiting for lock requests that failed, in milliseconds 

block_instance  refers to an instance of a kernel block. Together with the block name, this number can be used to look up a given instance in the threadblocks  table. 

fq_name  is a fully qualified database object name in database / schema / name  format, such as test/ def/t1  or sys/def/10/b$unique . 

