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Return with failure if we can't resolve hostname to address #4882

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Return with failure if we can't resolve hostname to address #4882

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1 change: 1 addition & 0 deletions db/comdb2.c
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Original file line number Diff line number Diff line change
Expand Up @@ -469,6 +469,7 @@ int gbl_osql_verify_ext_chk = 1;

int gbl_test_badwrite_intvl = 0;
int gbl_test_blob_race = 0;
int gbl_test_resolve_hostname_failure = 0;
int gbl_skip_ratio_trace = 0;

int gbl_throttle_sql_overload_dump_sec = 5;
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1 change: 1 addition & 0 deletions db/db_tunables.c
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Expand Up @@ -527,6 +527,7 @@ extern int gbl_chk_desc_skipscan;
extern int gbl_sqlite_limit_var_optimization;
extern int gbl_rep_process_pstack_time;
extern int gbl_sqlite_interstage_optimization;
extern int gbl_test_resolve_hostname_failure;

/*
=========================================================
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2 changes: 2 additions & 0 deletions db/db_tunables.h
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Expand Up @@ -2542,6 +2542,8 @@ REGISTER_TUNABLE("sc_7format",
REGISTER_TUNABLE("dohsql_joins",
"Enable to support joins in parallel sql execution (default: on)",
TUNABLE_BOOLEAN, &gbl_dohsql_joins, 0, NULL, NULL, NULL, NULL);
REGISTER_TUNABLE("test_resolve_hostname_failure", "Tunable to test hostname resolution failure",
TUNABLE_INTEGER, &gbl_test_resolve_hostname_failure, 0, NULL, NULL, NULL, NULL);
REGISTER_TUNABLE("sc_history_max_rows", "Max number of rows returned in comdb2_sc_history (Default: 1000)",
TUNABLE_INTEGER, &gbl_sc_history_max_rows, 0, NULL, NULL, NULL, NULL);
REGISTER_TUNABLE("sc_status_max_rows", "Max number of rows returned in comdb2_sc_status (Default: 1000)",
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1 change: 1 addition & 0 deletions tests/tunables.test/t00_all_tunables.expected
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Expand Up @@ -989,6 +989,7 @@
(name='test_ddl_backout_nomaster', description='Force a NOMASTER error in toblock.', type='BOOLEAN', value='OFF', read_only='N')
(name='test_delay_analyze_commit', description='Delay analyze commit', type='BOOLEAN', value='OFF', read_only='N')
(name='test_io_time', description='Check I/O in watchdog this often', type='INTEGER', value='10', read_only='N')
(name='test_resolve_hostname_failure', description='Tunable to test hostname resolution failure', type='INTEGER', value='0', read_only='N')
(name='test_sc_resume_race', description='Test race between schemachange resume and blockprocessor', type='BOOLEAN', value='OFF', read_only='Y')
(name='test_scindex_deadlock', description='Test index on expressions schema change deadlock', type='BOOLEAN', value='OFF', read_only='Y')
(name='test_sql_time', description='Check SQL in watchdog this often', type='INTEGER', value='0', read_only='N')
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