This is my blog about technology but mostly about distributed systems and storage.
Posts
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An Initial Look at Deep Learning IO Performance
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Ceph OSD CPU Scaling - Part 1
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QEMU/KVM + Ceph Librbd Performance
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Ceph RocksDB Tuning Deep-Dive
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Experimenting with Igor’s Bluestore WAL
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Spooky Allocator Issues and Fixes
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Cache Age Binning PR Finally Merged!
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Ceph Crimson 2021 Q3 Project Update
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Crimson vs Classic 1 NVMe Multi-OSD Analysis
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Ceph Crimson 2021 Q2 Project Update
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Testing the new Ceph Upstream Mako cluster
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ISC21 CephFS IO500 Ephemeral Pinning Study
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New OmapBench Tool
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2021 Q1 Crimson Project Slides
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Playing with io_uring in Ceph
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PGLog: RBD 4KB Random Write Testing
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Metadata Overhead (High Level)
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Low core count Ceph Testing
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2 OSD vs 1 OSD per NVMe Analysis
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CephFS IO500 Benchmarking
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Effect of debug_ms=1 on Ceph Performance
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BlueFS Space Amplification Cheat Sheet
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Hotsuace S3 Benchmark Tool
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Bluestore Cache Refactor Merged!
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Ceph RBD RocksDB Key/Value size analysis
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CBT Client Endpoints Testing
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Ceph Code Walkthrough: BlueStore Cache Autotuning
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Testing EC overwrites with RBD
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Ceph RocksDB WAL Compaction Tests
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Bluestore Allocator Tests
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BlueStore Diet Research: 4K Random Write Case
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Ceph 10.1.0 Bluestore vs Filestore
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Ceph Day Minneapolis
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Ceph SimpleMessenger vs AsyncMessenger Initial Look
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Ceph Memory Testing: Transparent Huge Pages
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Ceph Tech Talks: Ceph Performance
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Ceph Hackathon: Memory Allocator Testing
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Ceph Community Lab Performance Investigation
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Firefly Erasure Coding CPU Tests
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Ceph SSD Performance Comparison
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Ceph Monitor Store Stress Tests
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Ceph 3X Replication Recovery Testing During Writes
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