More Related Content Similar to Prevent deadlockswithj meter Similar to Prevent deadlockswithj meter (8) More from Oleksii Zozulenko More from Oleksii Zozulenko (8) Prevent deadlockswithj meter1. Prevent
deadlocks with
JMeter
O l e k s i i Z o z u l e n k o
automated-testing.info
3. deadlock - is ... ?
Не разрешимая
ситуация, которая
возникает при попытке
одновременно получить
доступ к одному
ресурсу с нескольких
потоков или источников
4. 5%
15%
80%
Database
Threads Sync
Others
6. UPDATE products AS p, products AS pp
SET p.is_low_on_stock =
IFNULL(p.products_low_stock_level,
IFNULL(pp.products_low_stock_level,
0)) >= p.products_quantity,
pp.is_low_on_stock =
IFNULL(p.products_low_stock_level,
IFNULL(pp.products_low_stock_level,
0)) >= p.products_quantity WHERE
p.products_parent = pp.products_id AND
pp.products_id IN (5000, 10529);
9. Tools
JDBC Sampler
BSF Sampler
Your Own Sampler
11. SELECT p.is_low_on_stock,
p.products_low_stock_level,
p.products_quantity, pp.is_low_on_stock
FROM products AS p, products AS pp
WHERE p.products_parent =
pp.products_id AND pp.products_id IN
(5000, 10529);
INSERT into products(product_id,
product_title, is_low_on_stock,
products_low_stock_level) values (NULL,
‘sometitle’, 5,0);
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