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Oren Eini

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titleconferencedate
A Deep Dive Into Database InternalsBuild Stuff 20222022-11-09
Walks through concrete internals: data laid out in fixed 4KB pages, B+Tree page splits change tree height so sequential inserts cut IO, large records become…
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Practical Security FoundationsBuild Stuff 20222022-11-09
Practical rules: use vetted primitives and libraries, not homemade crypto — AES-GCM or ChaCha20-Poly1305 for authenticated encryption, Argon2 for password…
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Scalable architecture from the ground upDotnetos Conference 20222022-10-10
A runnable .NET redis clone of ~200 lines hits 170,000 requests/sec on a Raspberry Pi with P99 latencies under 100ms, proving raw hardware is often irrelevant…
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C# as a system languageGlobal SRE Virtual Conference 20222022-07-25
Implements a Redis clone in C# in under 100 lines, runs on an Amazon ARM 16-core 64GB VM and hits ~1M qps with naive code then 1.6M after using…
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RavenDB: Practical Considerations for ACID/MVCC Storage EnginesVaccination Database Tech Talks (Booster) - Spring 20222022-01-31
Describes RavenDB’s Voron storage engine built in C# with a page-based MVCC model: copy-on-write modified pages, a page translation table for snapshots, and a…
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Build a database from the ground upBuild Stuff 20212021-11-17
Builds an industrial storage engine from pages up: 8 KB pages, bitmapped free-space per 4 GB file, preallocate 128 MB extents, and prefer many fixed files so…
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Architecting a large social network without breaking the bankDotNext 2021 Moscow2021-10-21
Goal is 50 million users with heavy engagement and handling up to 5,000 writes/sec with 99.99% of writes under 200ms by using a queue-first ingest (accept…
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Performance ArchitectureDotnetos Conference 20212021-10-05
Describes converting a 5+-year .NET codebase to reach orders‑of‑magnitude speedups by changing data layout and memory strategy: replacing JSON parsing with a…
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Seeking Simplicity in the CloudDevOps Pro Europe 20212021-05-11
Claims that running RavenDB on bare VMs across AWS GCP and Azure is simpler and cheaper than Kubernetes, with a custom control plane that creates instances…
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Seeking simplicity in the cloudBuild Stuff 20202020-11-11
"Kubernetes? Containers? Serverless systems? Deploying to the cloud comes with its own unique set of challenges and a somewhat insurmountable set of tools…
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Data Modeling in a Non-Relational WorldBuild Stuff 20172017-11-15
Relational schema rules break when using documents; model around aggregates and coherent independent isolated units instead of foreign keys. RavenDB supports…
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Extreme Performance ArchitectureBuild Stuff 20172017-11-15
Claims a 10x speedup by redesigning RavenDB’s internals: replaces per-request GC-heavy allocations with a pooled context pool and arena-style native…
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Performance Optimizations in the WildNDC Oslo 20162016-06-08
In this session, we'll talk about a recent performance iteration in RavenDB, discuss the things that were found and how we fixed them. Expect a discussion on…
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