polardbxengine/mysql-test/suite/ndb/r/ndb_read_balance.result

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*******************************************************
ndb_read_balance.inc
Table comment : NDB_TABLE=READ_BACKUP=0,FULLY_REPLICATED=0
Keys : 40
Test_step : 5
Expect : Classic distribution, always PRIMARY
*******************************************************
Create table with int pk, unique secondary int and key int columns
Expect that secondary unique is distributed in the same way as main table
CREATE TABLE test.t1 (a int, b int, c int, d int, primary key (a), unique(b) using hash, key(c)) comment='NDB_TABLE=READ_BACKUP=0,FULLY_REPLICATED=0' engine=ndb;;
Warnings:
Warning 1121 Ndb does not support unique index on NULL valued attributes, index access with NULL value will become full table scan
Check that all fragments are in-use, else raise key count
select count(1) from ndbinfo.memory_per_fragment where fq_name='test/def/t1' and fixed_elem_count=0;
count(1)
0
Build fragment identity table
Test lock free pk reads to show fragment types read
select distinct obj_type, fragment_type from min_baseline_diff_type order by obj_type, fragment_type;
obj_type fragment_type
TABLE PRIMARY
Test a number of scenarios to show read routing
****
Row with key : 40
Hinted PK read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
****
Row with key : 35
Hinted PK read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
****
Row with key : 30
Hinted PK read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
****
Row with key : 25
Hinted PK read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
****
Row with key : 20
Hinted PK read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
****
Row with key : 15
Hinted PK read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
****
Row with key : 10
Hinted PK read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
****
Row with key : 5
Hinted PK read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
*********
Scans
Unhinted PK OI read, no lock
obj_type fragment_type
OI_PRIMARY PRIMARY
Unhinted PK OI read, shared lock
obj_type fragment_type
OI_PRIMARY PRIMARY
TABLE PRIMARY
Unhinted PK OI read, exclusive lock
obj_type fragment_type
OI_PRIMARY PRIMARY
TABLE PRIMARY
Table scan, no lock
obj_type fragment_type
TABLE PRIMARY
Table scan, shared lock
obj_type fragment_type
TABLE PRIMARY
Table scan, exclusive lock
obj_type fragment_type
TABLE PRIMARY
*******************************************************
ndb_read_balance.inc
Table comment : NDB_TABLE=READ_BACKUP=1,PARTITION_BALANCE=FOR_RP_BY_LDM
Keys : 40
Test_step : 5
Expect : Read Backup, Mix of Primary + Backup, except where locks are used
*******************************************************
Create table with int pk, unique secondary int and key int columns
Expect that secondary unique is distributed in the same way as main table
CREATE TABLE test.t1 (a int, b int, c int, d int, primary key (a), unique(b) using hash, key(c)) comment='NDB_TABLE=READ_BACKUP=1,PARTITION_BALANCE=FOR_RP_BY_LDM' engine=ndb;;
Warnings:
Warning 1121 Ndb does not support unique index on NULL valued attributes, index access with NULL value will become full table scan
Check that all fragments are in-use, else raise key count
select count(1) from ndbinfo.memory_per_fragment where fq_name='test/def/t1' and fixed_elem_count=0;
count(1)
0
Build fragment identity table
Test lock free pk reads to show fragment types read
select distinct obj_type, fragment_type from min_baseline_diff_type order by obj_type, fragment_type;
obj_type fragment_type
TABLE BACKUP
TABLE PRIMARY
Test a number of scenarios to show read routing
****
Row with key : 40
Hinted PK read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
****
Row with key : 35
Hinted PK read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE BACKUP 1 0 0 0 0 0
Unhinted PK read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B BACKUP 1 0 0 0 0 0
TABLE BACKUP 1 0 0 0 0 0
Unhinted UI read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
****
Row with key : 30
Hinted PK read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE BACKUP 1 0 0 0 0 0
Unhinted PK read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B BACKUP 1 0 0 0 0 0
TABLE BACKUP 1 0 0 0 0 0
Unhinted UI read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
****
Row with key : 25
Hinted PK read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE BACKUP 1 0 0 0 0 0
Unhinted PK read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
****
Row with key : 20
Hinted PK read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B BACKUP 1 0 0 0 0 0
TABLE BACKUP 1 0 0 0 0 0
Unhinted UI read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
****
Row with key : 15
Hinted PK read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE BACKUP 1 0 0 0 0 0
Unhinted PK read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
****
Row with key : 10
Hinted PK read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE BACKUP 1 0 0 0 0 0
Unhinted PK read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
****
Row with key : 5
Hinted PK read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE BACKUP 1 0 0 0 0 0
Unhinted PK read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B BACKUP 1 0 0 0 0 0
TABLE BACKUP 1 0 0 0 0 0
Unhinted UI read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
*********
Scans
Unhinted PK OI read, no lock
obj_type fragment_type
OI_PRIMARY BACKUP
OI_PRIMARY PRIMARY
Unhinted PK OI read, shared lock
obj_type fragment_type
OI_PRIMARY PRIMARY
TABLE PRIMARY
Unhinted PK OI read, exclusive lock
obj_type fragment_type
OI_PRIMARY PRIMARY
TABLE PRIMARY
Table scan, no lock
obj_type fragment_type
TABLE BACKUP
TABLE PRIMARY
Table scan, shared lock
obj_type fragment_type
TABLE PRIMARY
Table scan, exclusive lock
obj_type fragment_type
TABLE PRIMARY
*******************************************************
ndb_read_balance.inc
Table comment : NDB_TABLE=FULLY_REPLICATED=1
Keys : 40
Test_step : 5
Expect : Fully replicated, Mix of Primary + Backup, except where locks are used
*******************************************************
Create table with int pk, unique secondary int and key int columns
Expect that secondary unique is distributed in the same way as main table
CREATE TABLE test.t1 (a int, b int, c int, d int, primary key (a), unique(b) using hash, key(c)) comment='NDB_TABLE=FULLY_REPLICATED=1' engine=ndb;;
Warnings:
Warning 1121 Ndb does not support unique index on NULL valued attributes, index access with NULL value will become full table scan
Check that all fragments are in-use, else raise key count
select count(1) from ndbinfo.memory_per_fragment where fq_name='test/def/t1' and fixed_elem_count=0;
count(1)
0
Build fragment identity table
Test lock free pk reads to show fragment types read
select distinct obj_type, fragment_type from min_baseline_diff_type order by obj_type, fragment_type;
obj_type fragment_type
TABLE BACKUP
TABLE PRIMARY
Test a number of scenarios to show read routing
****
Row with key : 40
Hinted PK read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B BACKUP 1 0 0 0 0 0
TABLE BACKUP 1 0 0 0 0 0
Unhinted UI read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
****
Row with key : 35
Hinted PK read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE BACKUP 1 0 0 0 0 0
Unhinted PK read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
****
Row with key : 30
Hinted PK read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE BACKUP 1 0 0 0 0 0
Unhinted PK read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
****
Row with key : 25
Hinted PK read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B BACKUP 1 0 0 0 0 0
TABLE BACKUP 1 0 0 0 0 0
Unhinted UI read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
****
Row with key : 20
Hinted PK read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE BACKUP 1 0 0 0 0 0
Unhinted PK read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
****
Row with key : 15
Hinted PK read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B BACKUP 1 0 0 0 0 0
TABLE BACKUP 1 0 0 0 0 0
Unhinted UI read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
****
Row with key : 10
Hinted PK read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B BACKUP 1 0 0 0 0 0
TABLE BACKUP 1 0 0 0 0 0
Unhinted UI read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
****
Row with key : 5
Hinted PK read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE BACKUP 1 0 0 0 0 0
Unhinted PK read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted PK read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, no lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, shared lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
Unhinted UI read, exclusive lock
obj_type fragment_type key_reads key_inserts key_writes key_updates key_deletes frag_scans
UI_B PRIMARY 1 0 0 0 0 0
TABLE PRIMARY 1 0 0 0 0 0
*********
Scans
Unhinted PK OI read, no lock
obj_type fragment_type
OI_PRIMARY BACKUP
OI_PRIMARY PRIMARY
Unhinted PK OI read, shared lock
obj_type fragment_type
OI_PRIMARY PRIMARY
TABLE PRIMARY
Unhinted PK OI read, exclusive lock
obj_type fragment_type
OI_PRIMARY PRIMARY
TABLE PRIMARY
Table scan, no lock
obj_type fragment_type
TABLE BACKUP
TABLE PRIMARY
Table scan, shared lock
obj_type fragment_type
TABLE PRIMARY
Table scan, exclusive lock
obj_type fragment_type
TABLE PRIMARY