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Work on a simple workload generator for benchmarking.
2010-10-11 Michael VrableWork on a simple workload generator for benchmarking.
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2010-10-08 Michael VrableStart adding in selective encryption of cloud log items.
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2010-09-27 Michael VrableAnother logging fix.
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2010-09-27 Michael VrableFix for journal committing.
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2010-09-27 Michael VrableImplement handling of unstable data in WRITE/COMMIT...
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2010-09-27 Michael VrableUpdated microbenchmarking script.
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2010-09-22 Michael VrableStarting work on scripts to automate benchmarking.
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2010-09-22 Michael VrableImprove cleaner performance.
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2010-09-20 Michael VrableRemove obsolete file.
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2010-09-20 Michael VrableUse a thread pool for inode fetches, and remove some...
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2010-09-20 Michael VrableRemove an extraneous mutex unlock.
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2010-09-20 Michael VrableMore fixes for memory management.
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2010-09-19 Michael VrableWork on reducing memory pinned by the inode map.
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2010-09-19 Michael VrableAdd cleaner option to rewrite and compact all inodes...
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2010-09-19 Michael VrableAllow cloudlog items to be unreferenced in the background.
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2010-09-19 Michael VrableDo not hold references to all inode data in inode map.
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2010-09-15 Michael VrableRestart journal sequence numbering properly.
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2010-09-14 Michael VrableAdd in header fields for per-object encryption/authentication.
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2010-09-11 Michael VrableAdd very basic caching to the cleaner S3 backend.
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2010-09-10 Michael VrableAdd S3 backend for the cleaner.
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2010-09-10 Michael VrableProperly set the starting inode number for allocation...
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2010-09-10 Michael VrableFix for S3 list operation.
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2010-09-10 Michael VrableImplement a list operation for the S3 storage backend.
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2010-09-10 Michael VrableDrop encryption from the cloud storage backend.
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2010-09-09 Michael VrableAllow cleaner to delete unused log segments.
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2010-09-09 Michael VrableImprove segment cleaning.
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2010-09-09 Michael VrableImprove cleaner: make sure new logs are written after...
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2010-09-09 Michael VrableExtend cleaner with a simple policy for choosing segments...
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2010-09-09 Michael VrableUpdates to the Python cleaner prototype.
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2010-09-08 Michael VrableBegin work on a segment cleaner prototype.
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2010-09-07 Michael VrableAdd partial journal replay to filesystem recovery.
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2010-09-07 Michael VrableInclude inode numbers in cloud log items.
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2010-09-07 Michael VrableFinish up loading of checkpoints from cloud logs.
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2010-09-07 Michael VrableIn-progress work to implement inode map loading at...
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2010-09-06 Michael VrableImprove object deserialization: properly parse object...
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2010-09-02 Michael VrableStart at writing out inode maps to cloud storage.
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2010-09-01 Michael VrableFixes for journal replay, and drop the "superblock...
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2010-08-31 Michael VrableFix some resource leaks in journal replay.
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2010-08-31 Michael VrableImplement basic full log replay.
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2010-08-31 Michael VrableUpdate CRC-32 implementation.
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2010-08-27 Michael VrableAdd in some support for journal replay.
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2010-08-26 Michael VrableStart work on log replay for filesystem recovery.
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2010-08-25 Michael VrableAdd an inode map data structure to track the location...
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2010-08-24 Michael VrableUpdate logic for flushing data to cloud.
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2010-08-23 Michael VrableMake cache size run-time configurable.
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2010-08-22 Michael VrableImplement new scheme for retaining needed journal segments.
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2010-08-22 Michael VrableFix a longstanding(?) memory-leak bug when truncating...
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2010-08-20 Michael VrableBack out dirty reference tracking, as the design was...
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2010-08-20 Michael VrableMake cloud storage more robust.
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2010-08-19 Michael VrableAdd a target size for the cache, and prune the cache...
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2010-08-18 Michael VrableTrack journal files which contain dirty data and which...
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2010-08-18 Michael VrableImplement a (dumb) cache garbage collector.
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2010-08-17 Michael VrableImprove journal/cloud cache locking and add access...
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2010-08-17 Michael VrableDebugging/refcount cleanups.
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2010-08-16 Michael VrableMinor bugfixes/tweaks.
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2010-08-16 Michael VrableFirst attempt at supporting reading data back from...
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2010-08-14 Michael VrableSerialized inode data should be dropped from caches...
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2010-08-12 Michael VrableAttempt at limiting the rate at which memory is dirtied.
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2010-08-11 Michael VrableReference counting bugfix.
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2010-08-11 Michael VrableNewly-created inodes should be marked as modified.
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2010-08-11 Michael VrableMore aggressively use memory-mapped data for cloud...
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2010-08-11 Michael VrableImprove tracking of memory usage in BlueSky.
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2010-08-10 Michael VrableMore fixes to BlueSky cache management.
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2010-08-10 Michael VrableDrop old code for flushing data to the cloud.
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2010-08-10 Michael VrableWork to unify the cloud segment writing with other...
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2010-08-09 Michael VrableSplit cloud log segments into modestly-sized chunks.
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2010-08-06 Michael VrableAdd a null storage implementation.
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2010-08-05 Michael VrableFix some memory leaks.
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2010-08-05 Michael VrableMake links between cloud log entries direct.
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2010-08-04 Michael VrableRework caching of data blocks to eliminate double-caching.
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2010-08-04 Michael VrableFix up reference counting for cloud log items.
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2010-08-04 Michael VrableA few attempted bugfixes for log data lifetimes.
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2010-08-03 Michael VrableFix up reference counting for memory-mapped journal...
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2010-08-03 Michael VrableImprove the reading back of objects committed to the...
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2010-08-03 Michael VrableMore cache behavior tweaks.
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2010-08-03 Michael VrablePreliminary support for dropping cached file data from...
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2010-08-02 Michael VrableWork to allow mmap-ed log entries to be used for data...
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2010-07-30 Michael VrableGradually converting code to use cloud logs for storing...
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2010-07-29 Michael VrableDump cloud location of data items in debug output.
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2010-07-29 Michael Vrable(Mostly) merge local and cloud logging together.
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2010-07-28 Michael VrablePreparatory work before implementing proper cloud writing.
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2010-07-26 Michael VrableSome initial work on logging gathering data into cloud...
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2010-07-22 Michael VrableInitial work on cloud log-structured storage.
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2010-07-20 Michael VrableCode cleanup.
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2010-07-19 Michael VrableAdd checksumming to filesystem journal.
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2010-07-19 Michael VrableAllow batched log writes when writing dirty inodes.
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2010-07-18 Michael VrableBasic filesystem journaling.
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2010-07-15 Michael VrableAdd synchronous inode logging in the NFS server.
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2010-07-15 Michael VrableBarriers did not handle requests that finished too...
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2010-07-14 Michael VrableCommit a few log benchmark results.
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2010-07-14 Michael VrableBugfix.
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2010-07-14 Michael VrableUpdate commit log benchmarks.
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2010-07-14 Michael VrableMake the log benchmark configurable and make a parameter...
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2010-07-14 Michael VrableA new microbenchmark tool to figure out what format...
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2010-07-13 Michael VrableAttempt to batch together database writes for performance.
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2010-07-12 Michael VrableSwitch to an explicit BDB operations queue instead...
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2010-07-07 Michael VrableRemove localstore.c; for now BDB work will be done...
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2010-07-07 Michael VrableSome test work with using Berkeley DB for a local disk...
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2010-06-30 Michael VrableSome new format design notes.
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2010-06-30 Michael VrableAdd another S3 benchmark tool.
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Blue Sky: File Systems in the Cloud