blob: 924a532e180482b59aa9071004294ac122a3f44f [file]
-- Capture current interconnect stats as baseline for future comparisons
SELECT * FROM gp_interconnect_stats \gset prev_
-- Verify that all baseline interconnect statistics are >= 0 (no negative values)
SELECT
:prev_total_recv_queue_size >= 0,
:prev_recv_queue_conting_time >= 0,
:prev_total_capacity >= 0,
:prev_capacity_counting_time >= 0,
:prev_total_buffers >= 0,
:prev_buffer_counting_time >= 0,
:prev_retransmits >= 0,
:prev_startup_cached_pkts >= 0,
:prev_mismatches >= 0,
:prev_crs_errors >= 0,
:prev_snd_pkt_num >= 0,
:prev_recv_pkt_num >= 0,
:prev_disordered_pkt_num >= 0,
:prev_duplicate_pkt_num >= 0,
:prev_recv_ack_num >= 0,
:prev_status_query_msg_num >= 0;
?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column?
----------+----------+----------+----------+----------+----------+----------+----------+----------+----------+----------+----------+----------+----------+----------+----------
t | t | t | t | t | t | t | t | t | t | t | t | t | t | t | t
(1 row)
-- Create test table to generate interconnect traffic
CREATE TABLE test_ic_data
AS SELECT generate_series(1, 1000) AS id
DISTRIBUTED RANDOMLY;
-- Re-capture current state: overwrite prev with latest values
SELECT * FROM gp_interconnect_stats \gset prev2_
-- Check if current statistics are >= baseline values after first data insertion
SELECT
:prev2_total_recv_queue_size >= :prev_total_recv_queue_size,
:prev2_recv_queue_conting_time >= :prev_recv_queue_conting_time,
:prev2_total_capacity >= :prev_total_capacity,
:prev2_capacity_counting_time >= :prev_capacity_counting_time,
:prev2_total_buffers >= :prev_total_buffers,
:prev2_buffer_counting_time >= :prev_buffer_counting_time,
:prev2_retransmits >= :prev_retransmits,
:prev2_startup_cached_pkts >= :prev_startup_cached_pkts,
:prev2_mismatches >= :prev_mismatches,
:prev2_crs_errors >= :prev_crs_errors,
:prev2_snd_pkt_num >= :prev_snd_pkt_num,
:prev2_recv_pkt_num >= :prev_recv_pkt_num,
:prev2_disordered_pkt_num >= :prev_disordered_pkt_num,
:prev2_duplicate_pkt_num >= :prev_duplicate_pkt_num,
:prev2_recv_ack_num >= :prev_recv_ack_num,
:prev2_status_query_msg_num >= :prev_status_query_msg_num;
?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column?
----------+----------+----------+----------+----------+----------+----------+----------+----------+----------+----------+----------+----------+----------+----------+----------
t | t | t | t | t | t | t | t | t | t | t | t | t | t | t | t
(1 row)
-- Insert additional data to further test interconnect statistics changes under load
INSERT INTO test_ic_data SELECT generate_series(1001, 2000);
-- Recheck if current statistics remain >= baseline after second data insertion
SELECT
total_recv_queue_size >= :prev2_total_recv_queue_size,
recv_queue_conting_time >= :prev2_recv_queue_conting_time,
total_capacity >= :prev2_total_capacity,
capacity_counting_time >= :prev2_capacity_counting_time,
total_buffers >= :prev2_total_buffers,
buffer_counting_time >= :prev2_buffer_counting_time,
retransmits >= :prev2_retransmits,
startup_cached_pkts >= :prev2_startup_cached_pkts,
mismatches >= :prev2_mismatches,
crs_errors >= :prev2_crs_errors,
snd_pkt_num >= :prev2_snd_pkt_num,
recv_pkt_num >= :prev2_recv_pkt_num,
disordered_pkt_num >= :prev2_disordered_pkt_num,
duplicate_pkt_num >= :prev2_duplicate_pkt_num,
recv_ack_num >= :prev2_recv_ack_num,
status_query_msg_num >= :prev2_status_query_msg_num
FROM gp_interconnect_stats;
?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column? | ?column?
----------+----------+----------+----------+----------+----------+----------+----------+----------+----------+----------+----------+----------+----------+----------+----------
t | t | t | t | t | t | t | t | t | t | t | t | t | t | t | t
(1 row)
DROP TABLE test_ic_data;
DROP EXTENSION interconnect;