⏱ 9 min read Distributed locks coordinate access to shared resources across multiple processes or machines. Unlike local mutexes, distributed locks must handle network […] Read article

⏱ 8 min read Calendar and scheduling systems are among the most deceptively complex applications in software engineering. Google Calendar, Outlook, and Calendly handle Read article

⏱ 3 min read gRPC is Google open-source RPC framework that uses HTTP/2 for transport and Protocol Buffers for serialization. It provides strongly-typed service Read article

⏱ 4 min read Caching is one of the highest-leverage performance optimizations available — serving data from memory (nanoseconds to microseconds) instead of disk Read article

⏱ 4 min read Probabilistic data structures trade exactness for dramatic reductions in memory and computation. Instead of exact answers, they provide approximate answers Read article

⏱ 3 min read A compiler translates source code in a high-level language to machine code (or bytecode) through a series of structured phases. Read article

⏱ 6 min read Kubernetes networking enables communication between Pods, Services, and external clients across a cluster of machines. The Kubernetes networking model guarantees Read article

⏱ 3 min read Data encoding (serialization) converts in-memory data structures to a byte format for storage or transmission. The choice of encoding format Read article

⏱ 4 min read A data pipeline moves data from source systems (production databases, event streams, APIs) through transformation stages to analytical destinations (data Read article

⏱ 4 min read A file system organizes data on storage media into files and directories, providing naming, access control, and efficient storage allocation. Read article

⏱ 6 min read Distributed tracing tracks a single request as it propagates through multiple microservices, capturing timing, errors, and context at each service Read article

⏱ 3 min read A search engine indexes documents and answers queries of the form “find documents containing these terms” in milliseconds, even across Read article

⏱ 3 min read MapReduce is a programming model for processing large datasets in parallel across a cluster of commodity machines. Introduced by Google Read article

⏱ 6 min read A connection pool maintains a set of pre-established connections to a resource (database, HTTP service, message broker) that can be Read article

⏱ 4 min read A distributed cache stores frequently accessed data in memory across a cluster of nodes, reducing latency and database load. Redis Read article