Author: mmuzaf
Date: Tue Mar 3 18:37:04 2020
New Revision: 1874748
URL: http://svn.apache.org/viewvc?rev=1874748&view=rev
Log:
Add RELEASE NOTES html for 2.8.0
Added:
ignite/site/trunk/releases/2.8.0/release_notes.html
Added: ignite/site/trunk/releases/2.8.0/release_notes.html
URL:
http://svn.apache.org/viewvc/ignite/site/trunk/releases/2.8.0/release_notes.html?rev=1874748&view=auto
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--- ignite/site/trunk/releases/2.8.0/release_notes.html (added)
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+ <link rel="canonical"
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+<body>
+ <h1>Apache IGNITE 2.8.0<h1>
+ <div></div>
+
+ <h2>Ignite Experimental API:</h2>
+ <ul>
+ <li>Added monitoring API - an exporter of
Ignite metrics to external recipients</li>
+ <li>Extended IgniteCache API with
withReadRepair to perform backup nodes consistency check on each cache get
attempt</li>
+ <li>Marked MVCC feature (added by 2.7.0
RELEASE)</li>
+ </ul>
+
+ <h2>Ignite Monitoring:</h2>
+ <ul>
+ <li>Added support of exposing objects as system
views (SQL, JMX exporters supported "out of the box")</li>
+ <li>Added support of storing and updating
metrics (JMX, SQL, Log, OpenCensus exporters supported "out of the box")</li>
+ <li>Added SQL query system view</li>
+ <li>Added client connections (JDBC, ODBC, Thin)
system view</li>
+ <li>Added cluster nodes system view</li>
+ <li>Added columns system view</li>
+ <li>Added continuous query system view</li>
+ <li>Added free-lists system view</li>
+ <li>Added indexes system view</li>
+ <li>Added metrics for PME timings</li>
+ <li>Added metrics for transaction duration</li>
+ <li>Added metrics to measure cache API
performance</li>
+ <li>Added metrics to show index building in
progress</li>
+ <li>Added scan query system view</li>
+ <li>Added schemas system view</li>
+ <li>Added striped thread pool queue system
view</li>
+ <li>Added support of metrics configuration via
JMX</li>
+ <li>Added tables system view</li>
+ <li>Added total time threads parked if
checkpoint throttling occurred</li>
+ <li>Added transactions system view</li>
+ <li>Moved CacheGroupMetrics to the new
framework</li>
+ <li>Moved ClusterMetricsMxBean to the new
framework</li>
+ <li>Moved Communication metrics to the new
framework</li>
+ <li>Moved GridJobMetricsProcessor to the new
framework</li>
+ <li>Moved GridLocalMetrics to the new
framework</li>
+ <li>Moved IgniteMXBean to the new framework</li>
+ <li>Moved QueryMetrics to the new framework</li>
+ <li>Moved TransactionMetricsMxBean to the new
framework</li>
+ </ul>
+
+ <h2>Ignite Core:</h2>
+ <ul>
+ <li>Added @IgniteExperimental annotation to
notify users about early access API available</li>
+ <li>Added IGNITE_CONSISTENT_ID system
property</li>
+ <li>Added
IGNITE_DISCOVERY_DISABLE_CACHE_METRICS_UPDATE system property</li>
+ <li>Added IGNITE_YARN_QUEUE property to
override YARN queue name</li>
+ <li>Added JMX ability to exclude node from
topology</li>
+ <li>Added JMX metrics for partition map
exchange timings</li>
+ <li>Added SSL support for ZookeeperSpi</li>
+ <li>Added Spark SQL Table Schema
Specification</li>
+ <li>Added WAL page snapshot records
compression</li>
+ <li>Added ability to override all caches
'rebalanceThrottle' option via JVM node option</li>
+ <li>Added ability to set default parallelism of
rebuild indexes in configuration</li>
+ <li>Added ability to track system/user time
held in the transaction</li>
+ <li>Added binary mode (withKeepBinary) to Data
Structures Queue</li>
+ <li>Added a withReadRepair for IgniteCache to
perform backup nodes consistency check on each cache get attempt</li>
+ <li>Added cache validation logic on primary
node instead of near node</li>
+ <li>Added cluster activation/deactivation
events</li>
+ <li>Added configuration for explicit plugins
providing (via spring configuration)</li>
+ <li>Added disk page compression support</li>
+ <li>Added extra logging for client-server
connections in TcpDiscoverySpi implementations</li>
+ <li>Added information about possible long GC
pause to checkpoint started message</li>
+ <li>Added initial support of Spark 2.4 (new
internal changes since Spark 2.3)</li>
+ <li>Added parallel write&evict same key in
CacheWriteBehindStore</li>
+ <li>Added possibility to have different
rebalance thread pool size for nodes in the cluster</li>
+ <li>Added support TcpCommunicationSpi of
TLSv1.3</li>
+ <li>Added support TcpDiscoveryS3IpFinder
client-side encryption</li>
+ <li>Added support UriDeploymentSpi for JAR
files</li>
+ <li>Added support array as key for the
cache</li>
+ <li>Added support discovery messages for
service deployment</li>
+ <li>Added support for baseline
auto-adjustment</li>
+ <li>Added support for Kubernetes discovery for
non-ready pods</li>
+ <li>Added support for spring data update/delete
operations</li>
+ <li>Added support logical recovery phase
outside of PME</li>
+ <li>Added support best effort affinity for thin
clients (partition awareness)</li>
+ <li>Added support node discovery through AWS
ELB</li>
+ <li>Added transaction label to transaction
cache events (e.g. EVT_TX_STARTED, EVT_TX_COMMITTED)</li>
+ <li>Added transactions support to thin
clients</li>
+ <li>Added 'limit' as a parameter for TextQuery
constructor and builder</li>
+ <li>Added ignite-spring-data_2.2 module to be
used with Spring Framework 5.2.x and Spring Data 2.2.x</li>
+ <li>Added integration with hibernate 5.3</li>
+ <li>Added support for non-blocking PME on node
left</li>
+ <li>Added support for IgniteSpark skipStore
option for internal dataStreamer (IgniteRdd and Ignite DataFrame)</li>
+ <li>Avoid synchronous initialization of storage
managers during PME</li>
+ <li>Fixed B+Tree corruption caused by byte
array values</li>
+ <li>Fixed ComputeJob cancel method executes
with the wrong SecurityContext</li>
+ <li>Fixed IGNITE_ENABLE_FORCIBLE_NODE_KILL
system property behaviour</li>
+ <li>Fixed IO race during read\write cache
configurations</li>
+ <li>Fixed Ignite Queue hanging after several
read/write operations</li>
+ <li>Fixed IgniteCache replace method does not
work in a binary mode without classes</li>
+ <li>Fixed P2P for remote filter and filter
factory</li>
+ <li>Fixed RobinHoodBackwardShiftHashMap on
big-endian architectures</li>
+ <li>Fixed ScanQuery doesn't take lost
partitions into account</li>
+ <li>Fixed Spark DataFrame will get the wrong
schema if a user executes add/drop column DDL</li>
+ <li>Fixed TTL manager may not clear entries
from the underlying CacheDataStore</li>
+ <li>Fixed TcpDiscovery lock on SSLSocket
close</li>
+ <li>Fixed WebSessionFilter does not work with
jetty 9.4 anymore</li>
+ <li>Fixed a new exchange coordinator skips
client fast reply for a previous exchange</li>
+ <li>Fixed activate\deactivate hanging</li>
+ <li>Fixed affinity calculation and fetching on
client nodes</li>
+ <li>Fixed binary metadata is not registered
during the start of the cache</li>
+ <li>Fixed blinking baseline node sometimes
unable to connect to a cluster</li>
+ <li>Fixed cache start while the cache is
restarting with the same name</li>
+ <li>Fixed checkpoint temp files don't removed
on a node start</li>
+ <li>Fixed client does not survive after several
cluster restarts for ZookeeperDiscoverySpi</li>
+ <li>Fixed cluster hanging on cache invoke with
binary objects creation</li>
+ <li>Fixed compatibility issue with JDBC drivers
of older versions</li>
+ <li>Fixed continuous query handlers are not
called on backups when a one-phase commit is used</li>
+ <li>Fixed data corruption when an exception
occurred during tx commit without node stopping</li>
+ <li>Fixed data loss during starting of the
nodes with empty persistence data storage</li>
+ <li>Fixed deadlock between restore partition
states and checkpoint begin phase</li>
+ <li>Fixed deadlock on client node in case of
network problems or long GC pauses</li>
+ <li>Fixed detection of corrupted index storage
on a file system</li>
+ <li>Fixed dynamic columns and indexes can be
lost after the cluster restart</li>
+ <li>Fixed exchange hanging while new node
restoring state from disk and starting caches</li>
+ <li>Fixed exchange on node left hanging when a
cluster is in the transition state</li>
+ <li>Fixed index usage is not applicable for
mixed IN and EQUALS queries</li>
+ <li>Fixed node hanging on join to topology</li>
+ <li>Fixed node hanging with
TcpDiscoveryS3IpFinder while stopping</li>
+ <li>Fixed p2p incorrectly loaded classes of
remote query filter</li>
+ <li>Fixed partition hanging in MOVING state
after node joined and rebalanced</li>
+ <li>Fixed partition may restore wrong MOVING
state during crash recovery</li>
+ <li>Fixed possible exceptions during
simultaneous cache group stop and partition eviction</li>
+ <li>Fixed race between rollback exception and
timeout exception on changing transaction state</li>
+ <li>Fixed segmenting node can cause ring
topology broke</li>
+ <li>Fixed stopping caches concurrently with
node join may lead to a crash of the node</li>
+ <li>Fixed transaction commit exception about
missing binary schema on large clusters</li>
+ <li>Fixed transaction prepare-commit ordering
in one-phase commit scenario</li>
+ <li>Fixed transactions that potentially may
cause hanging in COMMITING state and partitions desync</li>
+ <li>Fixed validation of joining nodes for
Zookeeper</li>
+ <li>Fixed when collocated IgniteSet close is
not working on non-affinity node</li>
+ <li>Forbidding joining persistence node to an
in-memory cluster</li>
+ <li>IGNITE_DISABLE_WAL_DURING_REBALANCING
turned on by default</li>
+ <li>Improved CRC32 calculation algorithms for
internal usages</li>
+ <li>Improved LRT diagnostic messages</li>
+ <li>Improved PME speed during full partition
map generation (parallel execution)</li>
+ <li>Improved PME speed during full partition
map updating (parallel execution)</li>
+ <li>Improved PME speed for starting multiple
caches on joining node</li>
+ <li>Improved large clusters discovery meta
exchange (by add compression on Discovery data bag)</li>
+ <li>Improved logging for the index rebuild
procedure</li>
+ <li>Improved read of hot variables in WAL</li>
+ <li>Improved speed of WAL segment archiving</li>
+ <li>Improved speed of checkpoint finalization
on binary memory recovery</li>
+ <li>Optimize GC pressure on rebalance
procedure</li>
+ <li>Optimize HistoryAffinityAssignment heap
usage</li>
+ <li>Performance improvements for affinity
initialization for started cache groups</li>
+ <li>Removed IGNITE_SERVICES_COMPATIBILITY_MODE
system property</li>
+ <li>Removed Java 7 and AI 1.x leftovers from
IgniteSystemProperties & IgniteProductVersion</li>
+ <li>Replaced IGNITE_BINARY_META_UPDATE_TIMEOUT
with IGNITE_WAIT_SCHEMA_UPDATE</li>
+ <li>Massive performance and stability
improvements</li>
+ </ul>
+
+ <h2>SQL:</h2>
+ <ul>
+ <li>Added Decimal precision and scale
constraint</li>
+ <li>Added KILL QUERY command</li>
+ <li>Added a table row count statistics for the
local queries</li>
+ <li>Added a view with the list of existing
SCHEMAS</li>
+ <li>Added a view with the list of existing
tables</li>
+ <li>Added ability to specify query parallelism
in CREATE TABLE's WITH "" clause</li>
+ <li>Added automatic pages history dump on
CorruptedTreeException</li>
+ <li>Added cluster-wide unique identifier for
running queries</li>
+ <li>Added counter left partition for index
rebuild to cache group metrics</li>
+ <li>Added default query timeout</li>
+ <li>Added drop _VER field support</li>
+ <li>Added extract partition info from BETWEEN
and range conditions for integer types</li>
+ <li>Added extract partition info from JOINs</li>
+ <li>Added lazy execution for the local
queries</li>
+ <li>Added query history statistics API</li>
+ <li>Added support for data page scan on
ScanQuery, SqlQuery and SqlFieldsQuery</li>
+ <li>Added support of allocating memory for a
data region when the first cache assigned to this region is created</li>
+ <li>Added support of autoclose iterator for
query cursor when all data has been read</li>
+ <li>Added support of trivial IN-operation for
partition extraction</li>
+ <li>Added tracking all running queries on
initial query node</li>
+ <li>Added validation for PK index does not use
wrapped object</li>
+ <li>Added warning about long query execution
printed by timeout (instead of on query finished)</li>
+ <li>Disabled implicit distributed joins when
queryParallelizm > 1</li>
+ <li>Do not store default precision and scale in
the QueryEntity for CHAR/VARCHAR and DECIMAL types</li>
+ <li>Fixed DDL operations don't work on not
started caches on non-affinity nodes</li>
+ <li>Fixed IF NOT EXISTS in CREATE TABLE doesn't
work</li>
+ <li>Fixed SQL event is not fired when a query
is reduced to local form</li>
+ <li>Fixed SQL query when the value has SQL
field which name equals to affinity key name</li>
+ <li>Fixed cache destroy operation which has
created via SQL</li>
+ <li>Fixed creating table with DateTime for PK
on a server node</li>
+ <li>Fixed error parsing INLINE_SIZE if CREATE
INDEX is one of the multiple statements</li>
+ <li>Fixed exception after change column type
(drop, add)</li>
+ <li>Fixed partition pruning is integrated with
DML</li>
+ <li>Fixed security checks are skipped on some
SELECT paths</li>
+ <li>Fixed subjectId is lost for SqlFieldsQuery
event on the local node</li>
+ <li>Fixed when same SQL requests with multiple
statements produce a different result</li>
+ <li>Fixed when unable to find row by an index
created on partial baseline topology</li>
+ <li>Forbid mixing _key and key columns in the
DML queries</li>
+ <li>Move rebalance configuration properties to
the IgniteConfiguration level</li>
+ <li>Optimize query execution if it targets only
one or none partitions</li>
+ <li>Reduce excessive int boxing when accessing
cache by ID</li>
+ <li>Remove scan index for merge table</li>
+ <li>Renamed IGNITE schema to SYS</li>
+ </ul>
+
+ <h2>MVCC:</h2>
+ <ul>
+ <li>Added continuous query failover for
mvcc-caches</li>
+ <li>Added deadlock detector</li>
+ <li>Added late affinity assignment support</li>
+ <li>Added mvcc-compatible cache peek operation
for key-value API</li>
+ <li>Fixed JVM crash when node stopped with
errors</li>
+ <li>Fixed SQL API methods should throw proper
TransactionExceptions in case of tx failure</li>
+ <li>Fixed client operation hangs if all data
nodes left the cluster</li>
+ <li>Fixed client reconnect became unstable
after mvcc coordinator reassign</li>
+ <li>Fixed concurrent cache stop can cause
vacuum failure</li>
+ <li>Fixed failure to perform non-MVCC SQL from
transactions</li>
+ <li>Fixed implicit mvcc transaction could use
completed one instead of starting new</li>
+ <li>Fixed incorrect data region metrics</li>
+ <li>Fixed incorrect exception is thrown if no
data nodes found for a partition</li>
+ <li>Fixed missing EntryProcessor resource
injection</li>
+ <li>Fixed mvcc history can be missed during
remove operation</li>
+ <li>Fixed mvcc-cache rebalance procedure leads
to data loss</li>
+ <li>Fixed query trackers are not released</li>
+ <li>Fixed query with specified explicit
partitions</li>
+ <li>Fixed race on invokeAll operations</li>
+ <li>Fixed read transactions remap when
coordinator fails</li>
+ <li>Fixed removeAll on unstable topology</li>
+ <li>Fixed transaction asynchronous rollback</li>
+ <li>Fixed update operation hanging on backup on
unstable topology</li>
+ <li>Fixed vacuums do not clean up all outdated
versions</li>
+ </ul>
+
+ <h2>JDBC:</h2>
+ <ul>
+ <li>Added cache expiry policies</li>
+ <li>Added support JDBC thin driver: connection
timeout</li>
+ <li>Added support data page scan for JDBC</li>
+ <li>Added support of handling multiple async
requests in parallel</li>
+ <li>Added support query cancel</li>
+ <li>Added support query timeout</li>
+ <li>Fixed JDBC getPrimaryKeys returns wrong
value for COLUMN_NAME</li>
+ <li>Fixed JDBC thin driver metadata misses
caches with queryEntities and names containing underscores</li>
+ <li>Fixed STREAMING mode fails on streamer
reopen on not ordered mode</li>
+ <li>Fixed memory leak caused by executing a
JDBC prepared statement</li>
+ <li>Fixed sqline command !tables works
incorrectly for a client node</li>
+ <li>Fixed suspended optimistic transaction
automatically resumes to last thread after a timeout</li>
+ <li>Now driver starts with a random server to
connect</li>
+ <li>Updated handshake protocol so that the node
returns its UUID</li>
+ </ul>
+
+ <h2>ODBC:</h2>
+ <ul>
+ <li>Fixed SQLColumns does not work for tables
with escape sequences in name</li>
+ <li>Fixed backward compatibility between 2.5
and 2.7</li>
+ </ul>
+
+ <h2>Web Agent:</h2>
+ <ul>
+ <li>Added support for the cluster-ID</li>
+ <li>Added support of two way SSL authentication
in Web Console agent</li>
+ <li>Fixed flag --disable-demo doesn't work</li>
+ <li>Fixed hostname verifier must be disabled if
"-Dtrust.all=true".</li>
+ <li>Improve information message in case REST
command failed on cluster</li>
+ <li>Improve logging when cluster topology
changed</li>
+ </ul>
+
+ <h2>Web Console:</h2>
+ <ul>
+ <li>Added TypeScript support</li>
+ <li>Added ability to cancel queries</li>
+ <li>Added ability to configure disk page
compression properties</li>
+ <li>Added check for supported MongoDb version
before WC start</li>
+ <li>Added email confirmation</li>
+ <li>Added management events
(EVT_MANAGEMENT_TASK_STARTED)</li>
+ <li>Added missed configurations for some of the
properties from IgniteConfiguration</li>
+ <li>Added option to disable self-registration
on Web Console</li>
+ <li>Added possibility to configure distributed
MVCC</li>
+ <li>Added support for "date", "time" and
"date-and-time" on InputDialog</li>
+ <li>Added support for "type=number" on
InputDialog</li>
+ <li>Added support for new countries Taiwan,
Hong Kong, Singapore</li>
+ <li>Fixed can't select cluster memory eviction
mode</li>
+ <li>Fixed long-running SQL queries could be
randomly cancelled from WC</li>
+ <li>Fixed memory leak in chart component</li>
+ <li>Fixed priority for field validations</li>
+ <li>Fixed validation in Firefox</li>
+ <li>Update styles of top menu items</li>
+ <li>Update to RxJS 6</li>
+ </ul>
+
+ <h2>Node.js:</h2>
+ <ul>
+ <li>Fixed Node.js thin client UUID
marshalling</li>
+ </ul>
+
+ <h2>Ignite .NET:</h2>
+ <ul>
+ <li>Added Thin Client Partition Awareness</li>
+ <li>Added Thin Client Expiry Policy</li>
+ <li>Added Thin Client Cluster API</li>
+ <li>Added .NET Core 3.x support</li>
+ <li>Added Ignite.NET Dockerfile</li>
+ <li>Added Runnable .NET Core assembly</li>
+ <li>Added ICache.GetLongSize</li>
+ <li>Added IClusterNode.Version</li>
+ <li>Added ICompute.WithExecutor</li>
+ <li>Added IIgnite.GetVersion</li>
+ <li>Added IBinaryObjectBuilder.SetField(name,
val, type) overload</li>
+ <li>Added Partition Preload API
(PreloadPartition, PreloadPartitionAsync)</li>
+ <li>Fixed JVM thread leak</li>
+ <li>Fixed serialization performance for
ISerializable</li>
+ </ul>
+
+ <h2>Ignite C++:</h2>
+ <ul>
+ <li>Added BinaryType methods implementations
(GetTypeId, GetFieldId)</li>
+ <li>Fixed compilation ODBC and thin client with
OpenSSL 1.1</li>
+ <li>Fixed compilation on ubuntu 18.04</li>
+ <li>Implement atomic part of Cache API for C++
thin client (ReplaceIfEquals, RemoveIfEquals etc.)</li>
+ <li>Improve Best Effort Affinity for C++ thin
client</li>
+ <li>Remove strong dependency on Boost
1.58.0</li>
+ </ul>
+
+ <h2>REST:</h2>
+ <ul>
+ <li>Added "caches" param for "top" command</li>
+ <li>Added baseline topology commands to REST
API</li>
+ <li>Added memory policy metrics via REST</li>
+ <li>Fixed IGNITE_REST_SECURITY_TOKEN_TIMEOUT
parameter is set in deciseconds instead of seconds</li>
+ </ul>
+
+ <h2>Visor:</h2>
+ <ul>
+ <li>Added ability to set nodeId for
VisorIdleVerifyDumpTask executed from ./control.sh --host HOST --cache
idle_verify</li>
+ <li>Added dynamic turn on/off cache statistics
for Visor</li>
+ <li>Added guard for cache restarting in
progress for Visor tasks.</li>
+ <li>Fixed rebalance status in Visor stays on
99.99%.</li>
+ </ul>
+
+ <h2>Control utility:</h2>
+ <ul>
+ <li>Added ability to check CRC sums of stored
pages</li>
+ <li>Added ability to exclude cache from an
output file</li>
+ <li>Added ability to show more information
about cache configuration</li>
+ <li>Added ability to use simultaneous cache
filtering options with control.sh --cache idle_verify</li>
+ <li>Added command to deal with garbage in
partitions which left after cache destroy in shared cache groups</li>
+ <li>Added information about coordinator in
control.sh output</li>
+ <li>Added showing information about lost on
idle_verify</li>
+ <li>Added support SSL to work with baseline
configuration (CommandHandler)</li>
+ <li>Added support of changing baseline
auto-adjust parameters via console.sh</li>
+ <li>Added support request an SSL Keystore
password and SSL truststore password</li>
+ <li>Display time to baseline auto-adjust event
in console.sh</li>
+ <li>Fixed connection to cluster error in
control.sh while using --cache</li>
+ <li>Fixed control.sh --baseline remove outputs
wrong error message when trying to remove a node from baseline</li>
+ <li>Fixed control.sh not working on a multinode
cluster setup</li>
+ <li>Fixed idle_verify utility doesn't show both
update counter and hash conflicts</li>
+ <li>Fixed incorrect error message after three
tries on an unsuccessful authorization</li>
+ <li>Log all action performed thought
control.sh</li>
+ </ul>
+
+ <h2>ML:</h2>
+ <ul>
+ <li>Added Gaussian Mixture Model (GMM) trainer
with fixed components</li>
+ <li>Added ML logger and env variables in Spark
ML Parser</li>
+ <li>Added NamedVectors to replace HashMap in
Model</li>
+ <li>Added OneVsRest Trainer to handling cases
with multiple class labels in a dataset</li>
+ <li>Added Pipeline support to Cross-Validation
process</li>
+ <li>Added integration between Ignite SQL and
Ignite ML</li>
+ <li>Added new Hyper-parameter tuning via
Genetic Algorithm</li>
+ <li>Added parser for parquet file with the
instance of DecisionTreeClassificationModel from Spark ML</li>
+ <li>Added parser for parquet file with the
instance of DecisionTreeRegressor from Spark ML</li>
+ <li>Added parser for parquet file with the
instance of GBTRegressionModel from Spark ML</li>
+ <li>Added parser for parquet file with the
instance of GradientBoostedTreesModel from Spark ML</li>
+ <li>Added parser for parquet file with the
instance of KMeansModel from Spark ML</li>
+ <li>Added parser for parquet file with the
instance of LinearRegressionModel from Spark ML</li>
+ <li>Added parser for parquet file with the
instance of LinearSVCModel from Spark ML</li>
+ <li>Added parser for parquet file with the
instance of RandomForestClassificationModel from Spark ML</li>
+ <li>Added parser for parquet file with the
instance of RandomForestRegressionModel from Spark ML</li>
+ <li>Added support for using H2O MOJO models for
inference and prediction on Ignite data</li>
+ <li>Added support new feature-label extraction
API (Vectorizers) to Preprocessor trainers</li>
+ <li>Added various Naive Bayes classifiers</li>
+ <li>Added vector projection</li>
+ <li>Advanced support of categorical features
(LabelEncoding, Strings in vectorizers)</li>
+ <li>Fixed the problem with ML Labmdas which are
not working in binary builds</li>
+ <li>Implementation of a distributed
estimator</li>
+ <li>Import models from XGBoost</li>
+ <li>Improve model loading from the directory
instead a full path to file with model</li>
+ <li>Improve the PeerClassloading for ml related
lambdas</li>
+ <li>Improvements of IgniteModelStorage for
IgniteModel and SQL functionality</li>
+ <li>Initial phase of integration with Spark ML
(parsing of Spark ML models from ml package)</li>
+ <li>Merge InfModel and Model</li>
+ <li>Merge XGBoost and Ignite ML trees
together</li>
+ <li>Provide metrics to evaluate the quality of
the model</li>
+ <li>Provide the recommendation engine to build
the recommendation system over the Ignite cache and via SQL operators</li>
+ <li>Replace all label/feature extractors on new
vectorizers</li>
+ <li>Stacking for training and inference</li>
+ <li>Unify API for ensemble training
algorithms.</li>
+ </ul>
+
+ <h2>Dependency updates:</h2>
+ <ul>
+ <li>Added dependency spring-data-2.2</li>
+ <li>Added dependency hibernate-5.3</li>
+ <li>Added dependency spark-2.4</li>
+ <li>Added dependency spring-5.2</li>
+ <li>Updated Jetbrains Annotations to 16.0.3</li>
+ <li>Updated Kafka to 2.0.1</li>
+ <li>Updated RocketMQ to 4.4.0</li>
+ <li>Updated Commons Beanutils to 1.9.4</li>
+ <li>Updated Jackson to 2.9.10</li>
+ <li>Updated Jetty to 9.4.25</li>
+ <li>Updated Spring to 4.3.26</li>
+ <li>Updated spring-5.0 to 5.0.16</li>
+ <li>Updated spring-data-2.0 to 2.0.13</li>
+ <li>Moved Flink to ignite-extension</li>
+ </ul>
+ </body>
+
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