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Tuesday, October 29 • 11:00am - 11:30am
Reducing useless DB access by implementing query cache when using ARA

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ARA generates large number of queries, and throughput performance is degraded by increasing the number of DB accesses. I checked the queries, and I found that there are many same queries when Asterisk is processing a call. I checked improvements about throughput when a query cache in between ARA and external DB is implemented. I have already confirmed there are not useless queries to external DB after implementing the query cache. The query cache is more effective when the query matches old query. But in call processing, it does not necessarily match. So, I plan to evaluate throughput performance under some conditions. And If my submission is accepted, I will show these results.


Takeshi Yamada

IT Engineer, NTT
I am an IT engineer with about 10 years of experience at NTT. In this period, I worked as a system integrator, an operation consultant and a VoIP software developer for several companies. Currently, I am challenging to improve our system that is based on Asterisk.

Tuesday October 29, 2019 11:00am - 11:30am EDT
Ballroom C