[DRAFT] Share circuit breakers between workers#227

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michaelkipper wants to merge 51 commits intoimplement_lru_cachefrom mkipper/global-circuit-breaker

+1,583-165

Commits on Jun 26, 2019

WIP: Move CircuitBreaker implementation to shared memory
Michael Kipper
committed
WIP: Move Simple::State to shared memory
Michael Kipper
committed
WIP: Working Simple::Integer and Simple::State
Michael Kipper
committed
WIP: Working Simple::SlidingWindow in shared memory
Michael Kipper
committed
Compile in C99 mode
Michael Kipper
committed
Fixes from code review
Michael Kipper
committed
Added a dprintf function
Michael Kipper
committed
Write failing race test

spike01
authored and
Michael Kipper
committed
Allow fallback to Ruby to be toggled by env var

spike01
authored and
Michael Kipper
committed
Set up single semaphore

spike01
authored and
Michael Kipper
committed
Move default permissions into sysv_semaphore header

spike01
authored and
Michael Kipper
committed
Clarify critical sections

spike01
authored and
Michael Kipper
committed
Rename rb_val->retval

spike01
authored and
Michael Kipper
committed
Change flag for choosing circuit implementation

spike01
authored and
Michael Kipper
committed
Clarify flag scope

spike01
authored and
Michael Kipper
committed
Use semaphore locks around sliding window

spike01
authored and
Michael Kipper
committed
Stylistic changes
Michael Kipper
committed
Quick script to reset IPC state
Michael Kipper
committed
More locks around shared data structures
Michael Kipper
committed
Reduce test flakiness with unique resource names
Michael Kipper
committed
Grow/shrink the sliding window's max_size
Michael Kipper
committed
Ignore CLion project files
Michael Kipper
committed
WIP: Registered worker based scaling factor for error_threshold
Michael Kipper
committed
Fixed compile error
Michael Kipper
committed
Removed spammy debug message
Michael Kipper
committed
Made the default for SEMIAN_CIRCUIT_BREAKER_IMPL to be worker/Ruby based
Michael Kipper
committed
Run both worker/host based circuit breaker implementations in CI
Michael Kipper
committed
Allow SEMIAN_DEBUG to enable debug messages
Michael Kipper
committed
Ignore log files
Michael Kipper
committed
Review comments
Michael Kipper
committed
new build matrix

epk
authored and
Michael Kipper
committed
make workdir similar to travis path

epk
authored and
Michael Kipper
committed
Exclude running tests with host-based circuits for gemfiles

epk
authored and
Michael Kipper
committed
fix typo

epk
authored and
Michael Kipper
committed
Ignore BeyondCompare merge files
Michael Kipper
committed
Implement the scale_factor for host-based sliding windows
Michael Kipper
committed

Commits on Jun 30, 2019

Enabled debug messages with SEMIAN_DEBUG
Michael Kipper
committed
Store SimpleInteger in semaphores, not shared memory
Michael Kipper
committed

Commits on Jul 3, 2019

Print debug messages with timestamp and process ID
Michael Kipper
committed
Tests are too noisy
Michael Kipper
committed
Don't force sliding window entries to be monotonic
Michael Kipper
committed
Review comments
Michael Kipper
committed
Merge pull request #246 from Shopify/mkipper/global-circuit-breaker-better-reject
Michael Kipper
authored
Allow SEMIAN_CIRCUIT_BREAKER_FORCE_HOST to force-enable host-based circuits
Michael Kipper
committed
Build semian libraries before unit tests
Michael Kipper
committed
Force circuits in Ruby
Michael Kipper
committed

Commits on Jul 4, 2019

Review fixes
Michael Kipper
committed
Review fixes
Michael Kipper
committed
Review comments
Michael Kipper
committed
Merge pull request #243 from Shopify/mkipper/global-circuit-breaker-simple-integer
Michael Kipper
authored

Commits on Jul 8, 2019

Skip test
Michael Kipper
committed