BETWEEN 3 AND 102","user":"sbtest[sbtest] @ localhost []","host":"localhost","os_user":"","ip":"","db":"sbtest"}} © 2018 Percona. 19 Percona Server Configuration • Install Audit Plugin • INSTALL PLUGIN ‘app1@%,app2@localhost'; © 2018 Percona. 20 Clickhouse/ClickTail Setup • Install Schema • cat schema/db.sql | clickhouse-client –multiline • cat schema/mysqlaudit.sql | clickhouse-client –multiline • Configure schema/db.sql | clickhouse-client –multiline • cat schema/mysql.sql | clickhouse-client –multiline • Configure ClickTail • [Required Options] • ParserName = mysql • LogFiles = /var/log/mysql/db01-slow

namespace std::chrono; int main() { const auto& db = get_tzdb(); std::cout << "Time Zone descriptions:\n"; std::for_each(db.zones.begin(), db.zones.end(), [](const time_zone& z) {

computation/storage model to general cases • Limites of On-chain VM computation • Limites of MPT • Limites of K-V db Problems of Web3: Technical Viewpoint Financial Model: Account=>Balance ➔ Relatively closed dataset