0.9.7

• Added ConcurrentCountersManager for threadsafe counters allocation and reclamation.
• Restrict hash based collection to have a load factor in the range to 0.1 to 0.9.
• Restrict the minimum capacity for Maps to be 8.
• Ensure that get() complies with the Map contract of returning null if the element is missing, Issue #98.
• Make the lifecycle consistent between AgentRunner and AgentInvoker.
• Agent can now self terminate by throwing an AgentTerminationException.
• Added MutableInt and MutableLong.
• Ability to allocate a counter without string or lambda allocation.
• Added Agent.onStart() hook for initialisation.
• Added CachedEpochClock and CachedNanoClock.
• Added DynamicCompositeAgent for runtime adding and removing of Agents into a composite.
• Support other character sets than UTF-8 for the CountersManager.
• Upgrade to ByteBuddy 1.6.14.
• Upgrade to Mockito 2.8.47.
• Upgrade to Checkstyle 8.1.
• Upgrade to sevntu-checks:1.24.1.
• Upgrade to Gradle 4.1.

Binaries can be found here...

0.9.6

• Add ExpandableDirectByteBuffer.
• Fix behaviour of Int2IntHashMap when being used via Map<Integer, Integer> interface.
• Added SleepingMillisIdleStrategy.
• Added AgentInvoker.
• Provide a NoOpLock implementation to allow for the eliding of a ReentrantLock.
• Improve performance when zeroing our a new or mapped file.
• Reduce use of String.format().
• Make AgentRunner.close() more robust.
• Use platform specific new lines for error messages.
• Clear missingValue when IntHashSet.clear() is called.
• Upgrade to Checkstyle 7.7.

Binaries can be found here...

0.9.5

• Grow ExpandableArrayBuffer by the golden ratio rather than 2.
• Add the ability to drain queues to a limit rather than completely.
• Use platform specific new line message output.
• Make AgentRunner.close() a bit more robust to startup race conditions.
• Ensure the missingValue is reset when IntHashSet.clear() is called.
• Upgrade to Mockito 2.7.22.
• Upgrade to Gradle 3.5.

Binaries can be found here...

0.9.4

• Fixed and improved the efficiency of bulk operations on collections with particular focus on IntHashSet.
• Improve efficiency (x2) of the iterators on hashed collections.
• Improve efficiency of toString() methods on collections.
• Add an efficient copy constructor to Int2ObjectHashMap.
• Change Position and StatusIndicator from interfaces to abstract classes to benefit from CHA (Class Hierarchy Analysis).
• Added ArrayListUtil.
• Reduce default load factor in hash based collections from 0.67 to 0.55 to help avoid clustering resulting from linear probing.
• Update hash functions to better spread out a monotonic sequence of keys in collections.
• Increase AtomicCounter label length from 124 to 380 bytes to allow for longer more descriptive labels.
• Add equals() and hashCode() methods to the collections.
• Clarify Javadoc for RingBuffer.read(). Issue #95.
• Fix missing 0xFF mask on DirectBufferInputStream.read(). PR #94.
• Upgrade to Checkstyle 7.6.1.
• Upgrade to sevntu-checks 1.23.1.
• Upgrade to Mockito 2.7.21.
• Upgrade to Byte Buddy 1.6.12.
• Upgrade to Gradle 3.4.1.

Binaries can be found here...

0.9.3

• Fixed project code style violations.
• Reworked primitive hash sets so they don't expose the missing value concept and allow all possible values and fix bug relating to collections containing the missing value. Note: This has caused an API change to the IntHashSet and LongHashSet constructors, ensure you check your arguments here.
• Java Agent for checking access alignment to direct buffers.
• Upgrade to Checkstyle 7.5.1.
• Upgrade to Byte Buddy 1.6.9.
• Upgrade to Gradle 3.4.

Binaries can be found here...

0.9.2

• Change artifact output from Agrona to agrona because some build systems have issues with case.
• Improve performance of string methods on direct buffers.
• Add primitive counter maps.
• Bug fix primitive to primitive maps when the missingValue is used as a key.
• Add ASCII codec methods to direct buffers.
• Fix isEmpty() on multi-producer queues.
• Remove explicit dependency of com.sun.media for those who do not use the HighResolutionTimer.
• More efficient implementation of equals() and hashCode() on primitive array lists.
• More lenient and correct implementation of equals() and hashCode() in hash sets.
• Upgrade to Mockito 2.6.8.
• Upgrade to Checkstyle 7.4.
• Upgrade to sevntu-checks 1.23.0.
• Upgrade to Gradle 3.3.

Binaries can be found here...

v0.9.1

• Provide more efficient set based operations on Sets when used with the same type.
• Notify Agent role name when timeout on awaiting shutdown to help debugging.
• Added ShutdownSignalBarrier that response to SIGINT and SIGTERM.
• Allow signal barriers to created on a different thread and be programmaticly signalled.
• Better handle overflow when lists reach maximum size.
• Grow primitive array lists based on golden ratio for better storage reclamation.
• Upgrade to Checkstyle 7.3.
• Upgrade to sevntu-checks 1.22.0.
• Upgrade to Mockito 2.2.29.
• Upgrade to Gradle 3.2.1.

Binaries can be found here...

v0.9.0

• Only report errors in AgentRunner when it is running.
• Added Gradle OSGi plugin.
• Upgrade to sevntu-checks 1.21.1.
• Upgrade to Mockito 2.2.16.
• Upgrade to Gradle 3.2.

Binaries can be found here...

v0.5.6

• Use primitive typed methods in CountersManager to avoid boxing.
• Add popX() and pushX methods to IntArrayList and LongArrayList.
• Upgrade to Mockito 2.2.9.
• Upgrade to Checkstyle 7.2.

Binaries can be found here...

v0.5.5

• HighResolutionTimer for for increasing resolution of sleep periods on Windows.
• Make closing of AtomicCounters and Positions idempotent.
• Bugfix for reading DistinctErrorLong with incorrect label offset.
• Significant performance improvements on consume side of OneToOneRingBuffer.
• ObjectHashSet for open addressing sets of object references.
• Support remove() on hash set iterators.
• Added computeIfAbsent() to primitive maps.
• Array backed lists of long and int to avoid boxing.
• Deprecate TimerWheel and migrated it to here...
• Upgrade to Checkstyle 7.1.2.
• Upgrade to Gradle 3.1.

Binaries can be found here...