79822378

Date: 2025-11-17 13:59:41
Score: 1
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// Thread A
start_transaction();
update_mysql();         // External I/O
commit_transaction();
remove_redis_cache("key");

// Thread B
if (read_redis_cache("key", msg)) {
    return msg;
}
msg = read_mysql();     // External I/O
update_redis_cache("key", msg);
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Posted by: Shaikh Tashif