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CheriABI: enforcing valid pointer provenance and minimizing pointer privilege in the POSIX C run-time environment

The Morning Paper

CheriABI: enforcing valid pointer provenance and minimizing pointer privilege in the POSIX C run-time environment Davis et al., And this all has to work for whole-system executions, not just the C-language portion of user processes. Most programs (almost 800 C programs in the FreeBSD source tree) require no modifications.

C++ 61
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PostgreSQL Performance Tuning: Optimizing Database Parameters for Maximum Efficiency

Percona

PostgreSQL performance optimization is an ongoing process involving monitoring, benchmarking, and adjustments to maintain high-performing PostgreSQL databases. The PostgreSQL buffer is called shared_buffer, which is the most effective tunable parameter for most operating systems. Why is PostgreSQL performance tuning important?

Tuning 52
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HammerDB CLI 101

HammerDB

This will show the benchmark options dialog. Benchmark Options. and benchmark set with the bm argument. At this stage we have followed the GUI workflow to use the CLI to create the schema and run the TPROC-C workload with a number of Virtual Users. dbset db command. TEST RESULT. Additional CLI Functionality.

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What Adrian Did Next?—?Part 2?—?Sun Microsystems

Adrian Cockcroft

Another big jump, but now it was my job to run benchmarks in the lab, and write white papers that explained the new products to the world, as they were launched. I was mostly coding in C, tuning FORTRAN, and when I needed to do a lot of data analysis of benchmark results used the S-PLUS statistics language, that is the predecessor to R.

Tuning 52
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Tuning PostgreSQL Database Parameters to Optimize Performance

Percona

The PostgreSQL buffer is called shared_buffer which is the most effective tunable parameter for most operating systems. It’s low because certain machines and operating systems do not support higher values. Plus another recent post on benchmarks: Tuning PostgreSQL for sysbench-tpcc. wal_buffers. Related posts.

Tuning 57
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What programming languages does HammerDB use and why does it matter?

HammerDB

HammerDB is a load testing and benchmarking application for relational databases. On high-performance multi-core systems all the supported databases can return performance in the many millions of transactions per minute. Basic Benchmarking Concepts. To benchmark a database we introduce the concept of a Virtual User.

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An open-source benchmark suite for microservices and their hardware-software implications for cloud & edge systems

The Morning Paper

An open-source benchmark suite for microservices and their hardware-software implications for cloud & edge systems Gan et al., A typical architecture diagram for one of these services looks like this: Suitably armed with a set of benchmark microservices applications, the investigation can begin! ASPLOS’19.