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new b80781c Ignite 2.9.0 Release notes
b80781c is described below
commit b80781cb3d88c3ca288adbd995e464fd6c294083
Author: Aleksey Plekhanov <[email protected]>
AuthorDate: Wed Oct 21 18:11:58 2020 +0300
Ignite 2.9.0 Release notes
---
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+<head>
+<link rel="canonical"
href="https://ignite.apache.org/releases/latest/release_notes.html"; />
+
+
+
+
+
+
+
+ <style>h1 { color: #113847; font-size: 33px; font-weight:
bold; margin: 30px 0 15px 0; padding-bottom: 7px; width: 700px;}h2 {
border-bottom: 2px solid #ccc; color: #113847; font-size: 29px;
font-weight: normal; margin: 30px 0 15px 0; padding-bottom: 7px;
width: 700px; }a { color: #cc0000; text-decoration: none; }span {
color: #cc0000;}a:hover { text-decoration: underline;}ul,ol { list-style:
disc; margin-left: 30px;}ul li,o [...]
+
+ <script>
+ (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
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+
+ ga('create', 'UA-61232409-1', 'auto');
+ ga('send', 'pageview');
+
+ </script></head>
+<body>
+ <h1>Apache IGNITE 2.9.0</h1>
+ <div></div>
+
+ <h2>Ignite Core:</h2><ul>
+ <li>Added the feature of cluster snapshots for persistence caches</li>
+ <li>Added tracing of transactions, discovery, exchange, and
communication components</li>
+ <li>Added new cluster-wide state: read-only. In this state caches
available for cache read operations. Cache operations with data modification
(update, remove, clear, create, destroy and etc.) don't allowed</li>
+ <li>Added TDE master key rotation feature</li>
+ <li>Added functionality to run user-defined code inside a sandbox</li>
+ <li>Added Cluster ID and tag properties to identify the cluster</li>
+ <li>Added support for one-way thick-client to server connections</li>
+ <li>Added the ability to not open server sockets (for incoming
connections) by thick client</li>
+ <li>Added management API to cancel user-provided tasks and queries</li>
+ <li>Added partition states system view and free-lists system view</li>
+ <li>Added txKeyCollisions cache metric</li>
+ <li>Added OffHeapEntriesCount, OffHeapBackupEntriesCount,
OffHeapPrimaryEntriesCount, HeapEntriesCount, CacheSize to cache metrics</li>
+ <li>Added query pool starvation monitoring</li>
+ <li>Added the ability to put non-primitive data types via
HTTP-REST</li>
+ <li>Added the ability to use CACHE_CREATE and CACHE_DESTROY
permissions on per-cache level</li>
+ <li>Added the ability to restrict access to the internal package of
Ignite</li>
+ <li>Added nodes caching in cluster groups</li>
+ <li>Added warning of deadlock when an unordered collection is passed
to putAll-style bulk cache operation</li>
+ <li>Added the ability to set user attributes for thin clients
connections</li>
+ <li>Added a new public API for the cluster state change
(activation/deactivation and etc.)</li>
+ <li>Added EVT_BASELINE_..., EVT_CLUSTER_STATE_CHANGE_STARTED,
EVT_PAGE_REPLACEMENT_STARTED events</li>
+ <li>Added the ability to hide sensitive data in logs, exceptions, and
utilities output (IGNITE_TO_STRING_INCLUDE_SENSITIVE system property)</li>
+ <li>Added the ability to change long-running operation timeout in
run-time</li>
+ <li>Added dedicated thread pool for creating and rebuilding
indexes</li>
+ <li>Added possibility to pass client SSL certificate to security
plugin (for clients: JDBC thin, thin-client, grid-client, REST)</li>
+ <li>Added Apache Ignite Slim binary distribution with essential
modules only</li>
+ <li>Added the ability to set fetch size for JDBC cache store</li>
+ <li>Added "features" to thin client protocol</li>
+ <li>Added support for node discovery using AWS ALB</li>
+ <li>Updated Bouncy Castle dependency for AWS module to 1.60
version</li>
+ <li>Fixed security context propagation for remote filters and
listeners (for ContinuousQueries, IgniteMessaging, IgniteEvents)</li>
+ <li>Fixed ConcurrentModificationException when DEBUG logging
continuous queries</li>
+ <li>Fixed critical errors handling by thin-client server-side
threads</li>
+ <li>Fixed memory leaks in continuous query handlers</li>
+ <li>Fixed data streamer pool MXBean (from ThreadPoolMXBean to
StripedExecutorMXBean)</li>
+ <li>Fixed memory leaks in MVCC processor</li>
+ <li>Fixed deadlock on concurrent removeAll() on the same cache</li>
+ <li>Fixed sensitive user data leak in a diagnostic exchange log
message</li>
+ <li>Fixed checkpoint block for all duration of index deletion</li>
+ <li>Fixed WAL flush issue in LOG-ONLY/FSYNC modes and null flush
pointer</li>
+ <li>Fixed limiter for a dump of long-running transactions</li>
+ <li>Fixed thread group for Ignite threads (do not use dedicated thread
group anymore)</li>
+ <li>Fixed exception during creating string representation of the
binary object</li>
+ <li>Fixed potential partition map exchange hanging on Zookeeper
discovery clusters</li>
+ <li>Fixed NPE in checkpoint thread</li>
+ <li>Fixed fail of optimistic serializable transactions when
read-through is enabled</li>
+ <li>Fixed node startup after upgrade in case of using Local cache with
persistence enabled</li>
+ <li>Fixed awaiting for service deployment in the event-driven service
processor</li>
+ <li>Fixed incorrect collecting cache configuration on the
coordinator</li>
+ <li>Fixed node failure when DistributedProcess unable to send a single
message to the coordinator</li>
+ <li>Fixed binary metadata folder, now it's moved to PDS storage
folder</li>
+ <li>Fixed EVT_CACHE_STOPPED event local listener issue</li>
+ <li>Fixed processing of failure detection timeout in TcpDiscoverySpi.
If a node fails to send a message or ping, now it drops the current connection
strictly within this timeout and begins establishing a new connection much
faster</li>
+ <li>Fixed WAL FSYNC mode problem with a disabled archiver</li>
+ <li>Fixed the ability to set number of WAL segments to less than 2</li>
+ <li>Fixed race condition in the state processor.</li>
+ <li>Fixed deadlock between topology update and CQ registration</li>
+ <li>Fixed potential NullPointerException on cache operations after
client reconnect</li>
+ <li>Fixed class loading exception when package name starts from
'class'</li>
+ <li>Fixed ClassCastException in cache group metrics on client
nodes</li>
+ <li>Fixed registration of capturingClass in marshaller making lambdas
fragile on code update.</li>
+ <li>Fixed NPE, when IgniteLock removed before it's used</li>
+ <li>Fixed processing of connection recovery timeout in
TcpDiscoverySpi. If a node loses connection, now it strictly obtains a new
connection to the ring of gets segmented within this timeout.</li>
+ <li>Fixed p2p deployment of scan queries transformer class</li>
+ <li>Fixed exception on initialization in push metrics exporters</li>
+ <li>Fixed AssertionError on getting cache size from the MBean on the
inactive cluster</li>
+ <li>Fixed JVM option in .sh/.bat scripts to support CPU load metric on
java 11 and higher</li>
+ <li>Fixed broken redis mget command</li>
+ <li>Improved transaction recovery mechanism on topology change</li>
+ <li>Improved checkpoint logic to write checkpoint buffer pages first
to avoid throttling</li>
+ <li>Improved node recovery time by executing partition state restore
phase in parallel</li>
+ <li>Improved node start-up and periodic metrics logging.</li>
+ <li>Improved rebalancing scheduling (SYNC caches rebalance first)</li>
+ <li>Improved node host resolving (don't try to resolve hostnames when
localHost is set as IP)</li>
+ <li>Improved data loss handling</li>
+ <li>A lot of stability and performance fixes</li>
+ <li>Replaced ignite.sh invocation with the direct JVM call for Docker
deployment</li>
+ <li>Discontinued IGFS and Hadoop Accelerator components</li>
+ </ul>
+ <h2>SQL:</h2><ul>
+ <li>Added the ability to create tables for existing caches</li>
+ <li>Added metrics: sql.parser.cache.hits - count of hits for queries
cache, sql.parser.cache.misses - count of misses for queries cache</li>
+ <li>Added metrics to count the number of successful and failed SQL
queries</li>
+ <li>Added validation of the uniqueness of a field's name annotated
with @QuerySqlEntity. Previously cache could be started without errors, but the
key's field would not be queryable</li>
+ <li>Added an option to validate field types against SQL schema on
key-value insert</li>
+ <li>Added separate SQL configuration</li>
+ <li>Fixed SQL schema name validation (prohibit empty schema names)</li>
+ <li>Fixed duplicate definition of a column by "create table"</li>
+ <li>Fixed SQL wildcard to java regex translation</li>
+ <li>Fixed custom GROUP_CONCAT separator support</li>
+ <li>Fixed data race when getting index rebuild status</li>
+ <li>Fixed incorrect "not null" constraint check on key field</li>
+ <li>Fixed an issue when a node stops if an index is created on a field
with invalid data type</li>
+ <li>Fixed QuerySqlField annotation's "name" property validation</li>
+ <li>Fixed improper index usage, fields enumeration not used with pk
index creation</li>
+ <li>Fixed an issue when the primary key was created with invalid
fields order</li>
+ <li>Improved row count statistic calculation (index scan replaced with
cache.localSize)</li>
+ <li>Improved indexing of JavaObject. Only hash bytes are stored now,
which reduces the size of the index and reduces the time for objects
comparison.</li>
+ </ul>
+ <h2>Ignite .Net:</h2><ul>
+ <li>Added IgniteLock</li>
+ <li>Added ICache.EnableStatistics, ICluster.EnableStatistics</li>
+ <li>Added native platform cache</li>
+ <li>Added the ability to use platform cache to execute local ScanQuery
with partition</li>
+ <li>Added the ability to call .NET services from Java</li>
+ <li>Added the ability to get metadata for FieldsQueryCursor</li>
+ <li>Added partition-based AffinityCall and AffinityRun overloads,
fixed existing AffinityCall and AffinityRun to reserve partition</li>
+ <li>Added the ability to use SqlFieldsQuery as
ContinuousQuery.InitialQuery</li>
+ <li>Fixed query cursor thread safety</li>
+ <li>Fixed issue with starting Ignite under Mono on Linux</li>
+ <li>Fixed searching of service method with user type array
parameter</li>
+ <li>Fixed OutOfMemory exception when calling grid service from .NET
with user type array parameter</li>
+ <li>Fixed TransactionScope behavior with read-only cache
operations</li>
+ <li>Fixed stale local node info after client reconnect</li>
+ </ul>
+ <h2>Ignite C++:</h2><ul>
+ <li>Added CMake build support</li>
+ <li>Fixed compilation error for boost versions greater than 1.70</li>
+ <li>Removed autotools build support</li>
+ </ul>
+ <h2>JDBC:</h2><ul>
+ <li>Added connections failover support</li>
+ <li>Added support for 'connectionTimeout' and 'queryTimout'
properties</li>
+ <li>Added SSL CipherSuites support</li>
+ <li>Added support for individual reconnect in case of best effort
affinity mode</li>
+ <li>Added the ability to control affinity cache size</li>
+ <li>Added support of custom user's java object</li>
+ <li>Fixed an issue where a metadata request through a JDBC Connection
could fail if metadata is requested for cache without explicit query entity
configured</li>
+ </ul>
+ <h2>Java thin-client:</h2><ul>
+ <li>Added cluster API support</li>
+ <li>Added cluster group API support</li>
+ <li>Added compute support</li>
+ <li>Added Ignite services support</li>
+ <li>Fixed size overhead after unmarshalling Collections/Arrays of
objects</li>
+ <li>Fixed binary type schema registration for nested objects when
CompactFooter is enabled</li>
+ <li>Fixed transactions withLabel issue</li>
+ <li>Fixed binary type issue when more than one schema for one type is
used</li>
+ </ul>
+ <h2>.Net thin client:</h2><ul>
+ <li>Added cluster API support</li>
+ <li>Added cluster group API support</li>
+ <li>Added compute support</li>
+ <li>Added automatic server node discovery</li>
+ </ul>
+ <h2>Python thin-client:</h2><ul>
+ <li>Added the ability to specify keyfile password</li>
+ <li>Fixed wrong fields order in queries when fields count > 10</li>
+ </ul>
+ <h2>Control utility:</h2><ul>
+ <li>Added commands to manage cluster binary metadata to control.sh
command-line utility</li>
+ <li>Added commands to view and change Cluster Id and Tag</li>
+ <li>Added "--force" flag for "deactivate" and "set-state" commands</li>
+ <li>Added "--check-crc" flag for "validate_indexes" command</li>
+ <li>Added "--verbose " option to print stack trace errors</li>
+ <li>Added "--check-sizes" option for "validate_indexes" to check
whether index and cache size are equal</li>
+ <li>Added "--cache check_index_inline_sizes" command to check that
indexes inline size the same on all cluster nodes</li>
+ <li>Fixed double password requests for keystore and truststore</li>
+ <li>Fixed corrupted indexes detection</li>
+ <li>Fixed GridClient instances leakage after various errors</li>
+ <li>Fixed return code swallowing by control.sh bash script</li>
+ </ul>
+ <h2>Spring Data integration:</h2><ul>
+ <li>Added multiple Ignite instances on same JVM support
(@RepositoryConfig)</li>
+ <li>Added query tuning parameters in @Query annotation support</li>
+ <li>Added projections support</li>
+ <li>Added Page and Stream responses support</li>
+ <li>Added SQL Fields Query resultset transformation into the domain
entity support</li>
+ <li>Added named parameters (:myParam) in SQL queries support (declared
using @Param("myParam"))</li>
+ <li>Added advanced parameter binding and SpEL expressions in SQL
queries support</li>
+ <li>Added SpEL expressions in Text queries (TextQuery) support</li>
+ <li>Fixed incorrect processing of non-comparable keys in spring-data
for repository methods: findAllById(ids) and deleteAllById(ids).</li>
+ <li>Fixed cursors leakage in RunningQueryManager when executing
queries via spring-data repositories.</li>
+ </ul>
+ <h2>ML:</h2><ul>
+ <li>Added more distances between two Vectors</li>
+ </ul>
+ <h2>Web Console:</h2><ul>
+ <li>Moved to separate repository</li>
+ </ul>
+</body>
+
