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>Python</a>
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<a href="/docs/2.9.1/quick-start/nodejs"
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>Node.JS</a>
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<a href="/docs/2.9.1/quick-start/sql"
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>SQL</a>
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<a href="/docs/2.9.1/quick-start/php"
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>PHP</a>
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>REST API</a>
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>Installing Using Docker</a>
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<li>
<a href="/docs/2.9.1/installation/deb-rpm"
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>Installing DEB or RPM package</a>
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<li><a href="/docs/2.9.1/installation/kubernetes/amazon-eks-deployment" class=''>Amazon EKS</a></li>
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<a href="/docs/2.9.1/installation/vmware-installation"
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<a href="/docs/2.9.1/understanding-configuration"
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>Understanding Configuration</a>
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>Setting Up</a>
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<li>
<a href="/docs/2.9.1/logging"
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>Configuring Logging</a>
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<li>
<a href="/docs/2.9.1/resources-injection"
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>Resources Injection</a>
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<li>
<a href="/docs/2.9.1/starting-nodes" class='' >Starting and Stopping Nodes</a>
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<button type='button' class='group-toggle collapsed '>Clustering<img class="state-indicator" src="/assets/images/left-nav-arrow.svg" width="6" height="10"></button>
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<a href="/docs/2.9.1/clustering/clustering"
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>TCP/IP Discovery</a>
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<li>
<a href="/docs/2.9.1/clustering/zookeeper-discovery"
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>ZooKeeper Discovery</a>
</li>
<li>
<a href="/docs/2.9.1/clustering/discovery-in-the-cloud"
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>Discovery in the Cloud</a>
</li>
<li>
<a href="/docs/2.9.1/clustering/network-configuration"
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>Network Configuration</a>
</li>
<li>
<a href="/docs/2.9.1/clustering/connect-client-nodes"
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>Connecting Client Nodes</a>
</li>
<li>
<a href="/docs/2.9.1/clustering/baseline-topology"
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>Baseline Topology</a>
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<a href="/docs/2.9.1/clustering/running-client-nodes-behind-nat"
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<a href="/docs/2.9.1/thin-clients/getting-started-with-thin-clients"
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<a href="/docs/2.9.1/thin-clients/java-thin-client"
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>Java Thin Client</a>
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<li>
<a href="/docs/2.9.1/thin-clients/dotnet-thin-client"
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>.NET Thin Client</a>
</li>
<li>
<a href="/docs/2.9.1/thin-clients/cpp-thin-client"
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>C++ Thin Client</a>
</li>
<li>
<a href="/docs/2.9.1/thin-clients/python-thin-client"
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>Python Thin Client</a>
</li>
<li>
<a href="/docs/2.9.1/thin-clients/php-thin-client"
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>PHP Thin Client</a>
</li>
<li>
<a href="/docs/2.9.1/thin-clients/nodejs-thin-client"
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>Node.js Thin Client</a>
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<button
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<li><a href="/docs/2.9.1/binary-client-protocol/binary-client-protocol" class=''>Binary Client Protocol</a></li>
<li><a href="/docs/2.9.1/binary-client-protocol/data-format" class=''>Data Format</a></li>
<li><a href="/docs/2.9.1/binary-client-protocol/key-value-queries" class=''>Key-Value Queries</a></li>
<li><a href="/docs/2.9.1/binary-client-protocol/sql-and-scan-queries" class=''>SQL and Scan Queries</a></li>
<li><a href="/docs/2.9.1/binary-client-protocol/binary-type-metadata" class=''>Binary Types Metadata</a></li>
<li><a href="/docs/2.9.1/binary-client-protocol/cache-configuration" class=''>Cache Configuration</a></li>
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<li>
<a href="/docs/2.9.1/data-modeling/data-modeling"
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>Introduction</a>
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<li>
<a href="/docs/2.9.1/data-modeling/data-partitioning"
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>Data Partitioning</a>
</li>
<li>
<a href="/docs/2.9.1/data-modeling/affinity-collocation"
class=''
>Affinity Colocation</a>
</li>
<li>
<a href="/docs/2.9.1/data-modeling/binary-marshaller"
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>Binary Marshaller</a>
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</li>
<li>
<button type='button' class='group-toggle collapsed '>Configuring Memory<img class="state-indicator" src="/assets/images/left-nav-arrow.svg" width="6" height="10"></button>
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<a href="/docs/2.9.1/memory-architecture"
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>Memory Architecture</a>
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<li>
<a href="/docs/2.9.1/memory-configuration/data-regions"
class=''
>Configuring Data Regions</a>
</li>
<li>
<a href="/docs/2.9.1/memory-configuration/eviction-policies"
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>Eviction Policies</a>
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<li>
<button type='button' class='group-toggle collapsed '>Configuring Persistence<img class="state-indicator" src="/assets/images/left-nav-arrow.svg" width="6" height="10"></button>
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<li>
<a href="/docs/2.9.1/persistence/native-persistence"
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>Ignite Persistence</a>
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<li>
<a href="/docs/2.9.1/persistence/external-storage"
class=''
>External Storage</a>
</li>
<li>
<a href="/docs/2.9.1/persistence/swap"
class=''
>Swapping</a>
</li>
<li>
<a href="/docs/2.9.1/persistence/custom-cache-store"
class=''
>Implementing Custom Cache Store</a>
</li>
<li>
<a href="/docs/2.9.1/persistence/snapshots"
class=''
>Cluster Snapshots</a>
</li>
<li>
<a href="/docs/2.9.1/persistence/disk-compression"
class=''
>Disk Compression</a>
</li>
<li>
<a href="/docs/2.9.1/persistence/persistence-tuning"
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>Tuning Persistence</a>
</li>
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</li>
<li>
<button type='button' class='group-toggle collapsed '>Configuring Caches<img class="state-indicator" src="/assets/images/left-nav-arrow.svg" width="6" height="10"></button>
<nav class='nav-group collapsed'>
<li>
<a href="/docs/2.9.1/configuring-caches/configuration-overview"
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>Cache Configuration</a>
</li>
<li>
<a href="/docs/2.9.1/configuring-caches/configuring-backups"
class=''
>Configuring Partition Backups</a>
</li>
<li>
<a href="/docs/2.9.1/configuring-caches/partition-loss-policy"
class=''
>Partition Loss Policy</a>
</li>
<li>
<a href="/docs/2.9.1/configuring-caches/atomicity-modes"
class=''
>Atomicity Modes</a>
</li>
<li>
<a href="/docs/2.9.1/configuring-caches/expiry-policies"
class=''
>Expiry Policy</a>
</li>
<li>
<a href="/docs/2.9.1/configuring-caches/on-heap-caching"
class=''
>On-Heap Caching</a>
</li>
<li>
<a href="/docs/2.9.1/configuring-caches/cache-groups"
class=''
>Cache Groups</a>
</li>
<li>
<a href="/docs/2.9.1/configuring-caches/near-cache"
class=''
>Near Caches</a>
</li>
</nav>
</li>
<li>
<a href="/docs/2.9.1/data-rebalancing" class='' >Data Rebalancing</a>
</li>
<li>
<a href="/docs/2.9.1/data-streaming" class='' >Data Streaming</a>
</li>
<li>
<button type='button' class='group-toggle collapsed '>Using Key-Value API<img class="state-indicator" src="/assets/images/left-nav-arrow.svg" width="6" height="10"></button>
<nav class='nav-group collapsed'>
<li>
<a href="/docs/2.9.1/key-value-api/basic-cache-operations"
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</li>
<li>
<a href="/docs/2.9.1/key-value-api/binary-objects"
class=''
>Working with Binary Objects</a>
</li>
<li>
<a href="/docs/2.9.1/key-value-api/using-scan-queries"
class=''
>Using Scan Queries</a>
</li>
<li>
<a href="/docs/2.9.1/read-repair"
class=''
>Read Repair</a>
</li>
</nav>
</li>
<li>
<a href="/docs/2.9.1/key-value-api/transactions" class='' >Performing Transactions</a>
</li>
<li>
<button type='button' class='group-toggle collapsed '>Working with SQL<img class="state-indicator" src="/assets/images/left-nav-arrow.svg" width="6" height="10"></button>
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<li>
<a href="/docs/2.9.1/SQL/sql-introduction"
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>Introduction</a>
</li>
<li>
<a href="/docs/2.9.1/SQL/schemas"
class=''
>Understanding Schemas</a>
</li>
<li>
<a href="/docs/2.9.1/SQL/indexes"
class=''
>Defining Indexes</a>
</li>
<li>
<a href="/docs/2.9.1/SQL/sql-api"
class=''
>Using SQL API</a>
</li>
<li>
<a href="/docs/2.9.1/SQL/distributed-joins"
class=''
>Distributed Joins</a>
</li>
<li>
<a href="/docs/2.9.1/SQL/sql-transactions"
class=''
>SQL Transactions</a>
</li>
<li>
<a href="/docs/2.9.1/SQL/custom-sql-func"
class=''
>Custom SQL Functions</a>
</li>
<li>
<a href="/docs/2.9.1/SQL/JDBC/jdbc-driver"
class=''
>JDBC Driver</a>
</li>
<li>
<a href="/docs/2.9.1/SQL/JDBC/jdbc-client-driver"
class=''
>JDBC Client Driver</a>
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<li>
<button
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<li><a href="/docs/2.9.1/SQL/ODBC/odbc-driver" class=''>ODBC Driver</a></li>
<li><a href="/docs/2.9.1//SQL/ODBC/connection-string-dsn" class=''>Connection String and DSN</a></li>
<li><a href="/docs/2.9.1/SQL/ODBC/querying-modifying-data" class=''>Querying and Modifying Data</a></li>
<li><a href="/docs/2.9.1/SQL/ODBC/specification" class=''>Specification</a></li>
<li><a href="/docs/2.9.1/SQL/ODBC/data-types" class=''>Data Types</a></li>
<li><a href="/docs/2.9.1/SQL/ODBC/error-codes" class=''>Error Codes</a></li>
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<li>
<a href="/docs/2.9.1/transactions/mvcc"
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<button type='button' class='group-toggle collapsed '>SQL Reference<img class="state-indicator" src="/assets/images/left-nav-arrow.svg" width="6" height="10"></button>
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<a href="/docs/2.9.1/sql-reference/sql-conformance"
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<li>
<a href="/docs/2.9.1/sql-reference/ddl"
class=''
>Data Definition Language (DDL)</a>
</li>
<li>
<a href="/docs/2.9.1/sql-reference/dml"
class=''
>Data Manipulation Language (DML)</a>
</li>
<li>
<a href="/docs/2.9.1/sql-reference/transactions"
class=''
>Transactions</a>
</li>
<li>
<a href="/docs/2.9.1/sql-reference/operational-commands"
class=''
>Operational Commands</a>
</li>
<li>
<a href="/docs/2.9.1/sql-reference/aggregate-functions"
class=''
>Aggregate functions</a>
</li>
<li>
<a href="/docs/2.9.1/sql-reference/numeric-functions"
class=''
>Numeric Functions</a>
</li>
<li>
<a href="/docs/2.9.1/sql-reference/string-functions"
class=''
>String Functions</a>
</li>
<li>
<a href="/docs/2.9.1/sql-reference/date-time-functions"
class=''
>Data and Time Functions</a>
</li>
<li>
<a href="/docs/2.9.1/sql-reference/system-functions"
class=''
>System Functions</a>
</li>
<li>
<a href="/docs/2.9.1/sql-reference/data-types"
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>Data Types</a>
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<li>
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<li>
<a href="/docs/2.9.1/distributed-computing/distributed-computing"
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>Distributed Computing API</a>
</li>
<li>
<a href="/docs/2.9.1/distributed-computing/cluster-groups"
class=''
>Cluster Groups</a>
</li>
<li>
<a href="/docs/2.9.1/distributed-computing/executor-service"
class=''
>Executor Service</a>
</li>
<li>
<a href="/docs/2.9.1/distributed-computing/map-reduce"
class=''
>MapReduce API</a>
</li>
<li>
<a href="/docs/2.9.1/distributed-computing/load-balancing"
class=''
>Load Balancing</a>
</li>
<li>
<a href="/docs/2.9.1/distributed-computing/fault-tolerance"
class=''
>Fault Tolerance</a>
</li>
<li>
<a href="/docs/2.9.1/distributed-computing/job-scheduling"
class=''
>Job Scheduling</a>
</li>
<li>
<a href="/docs/2.9.1/distributed-computing/collocated-computations"
class=''
>Colocating Computations with Data</a>
</li>
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</li>
<li>
<button type='button' class='group-toggle collapsed '>Code Deployment<img class="state-indicator" src="/assets/images/left-nav-arrow.svg" width="6" height="10"></button>
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<li>
<a href="/docs/2.9.1/code-deployment/deploying-user-code"
class=''
>Deploying User Code</a>
</li>
<li>
<a href="/docs/2.9.1/code-deployment/peer-class-loading"
class=''
>Peer Class Loading</a>
</li>
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</li>
<li>
<button type='button' class='group-toggle collapsed '>Machine Learning<img class="state-indicator" src="/assets/images/left-nav-arrow.svg" width="6" height="10"></button>
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<li>
<a href="/docs/2.9.1/machine-learning/machine-learning"
class=''
>Machine Learning</a>
</li>
<li>
<a href="/docs/2.9.1/machine-learning/partition-based-dataset"
class=''
>Partition Based Dataset</a>
</li>
<li>
<a href="/docs/2.9.1/machine-learning/updating-trained-models"
class=''
>Updating Trained Models</a>
</li>
<li>
<button
type='button'
class='collapsed '>Binary Classification<img class="state-indicator" src="/assets/images/left-nav-arrow.svg" width="6" height="10"></button>
<nav class="sub_pages collapsed">
<li><a href="/docs/2.9.1/machine-learning/binary-classification/introduction" class=''>Introduction</a></li>
<li><a href="/docs/2.9.1/machine-learning/binary-classification/linear-svm" class=''>Linear SVM (Support Vector Machine)</a></li>
<li><a href="/docs/2.9.1/machine-learning/binary-classification/decision-trees" class=''>Decision Trees</a></li>
<li><a href="/docs/2.9.1/machine-learning/binary-classification/multilayer-perceptron" class=''>Multilayer Perceptron</a></li>
<li><a href="/docs/2.9.1/machine-learning/binary-classification/logistic-regression" class=''>Logistic Regression</a></li>
<li><a href="/docs/2.9.1/machine-learning/binary-classification/knn-classification" class=''>k-NN Classification</a></li>
<li><a href="/docs/2.9.1/machine-learning/binary-classification/ann" class=''>ANN (Approximate Nearest Neighbor)</a></li>
<li><a href="/docs/2.9.1/machine-learning/binary-classification/naive-bayes" class=''>Naive Bayes</a></li>
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</li>
<li>
<button
type='button'
class='collapsed '>Regression<img class="state-indicator" src="/assets/images/left-nav-arrow.svg" width="6" height="10"></button>
<nav class="sub_pages collapsed">
<li><a href="/docs/2.9.1/machine-learning/regression/introduction" class=''>Introduction</a></li>
<li><a href="/docs/2.9.1/machine-learning/regression/linear-regression" class=''>Linear Regression</a></li>
<li><a href="/docs/2.9.1/machine-learning/regression/decision-trees-regression" class=''>Decision Trees Regression</a></li>
<li><a href="/docs/2.9.1/machine-learning/regression/knn-regression" class=''>k-NN Regression</a></li>
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</li>
<li>
<button
type='button'
class='collapsed '>Clustering<img class="state-indicator" src="/assets/images/left-nav-arrow.svg" width="6" height="10"></button>
<nav class="sub_pages collapsed">
<li><a href="/docs/2.9.1/machine-learning/clustering/introduction" class=''>Introduction</a></li>
<li><a href="/docs/2.9.1/machine-learning/clustering/k-means-clustering" class=''>K-Means Clustering</a></li>
<li><a href="/docs/2.9.1/machine-learning/clustering/gaussian-mixture" class=''>Gaussian mixture (GMM)</a></li>
</nav>
</li>
<li>
<a href="/docs/2.9.1/machine-learning/preprocessing"
class=''
>Preprocessing</a>
</li>
<li>
<button
type='button'
class='collapsed '>Model Selection<img class="state-indicator" src="/assets/images/left-nav-arrow.svg" width="6" height="10"></button>
<nav class="sub_pages collapsed">
<li><a href="/docs/2.9.1/machine-learning/model-selection/introduction" class=''>Introduction</a></li>
<li><a href="/docs/2.9.1/machine-learning/model-selection/evaluator" class=''>Evaluator</a></li>
<li><a href="/docs/2.9.1/machine-learning/model-selection/split-the-dataset-on-test-and-train-datasets" class=''>Split the dataset on test and train datasets</a></li>
<li><a href="/docs/2.9.1/machine-learning/model-selection/hyper-parameter-tuning" class=''>Hyper-parameter tuning</a></li>
<li><a href="/docs/2.9.1/machine-learning/model-selection/pipeline-api" class=''>Pipeline API</a></li>
</nav>
</li>
<li>
<a href="/docs/2.9.1/machine-learning/multiclass-classification"
class=''
>Multiclass Classification</a>
</li>
<li>
<button
type='button'
class='collapsed '>Ensemble Methods<img class="state-indicator" src="/assets/images/left-nav-arrow.svg" width="6" height="10"></button>
<nav class="sub_pages collapsed">
<li><a href="/docs/2.9.1/machine-learning/ensemble-methods/introduction" class=''></a></li>
<li><a href="/docs/2.9.1/machine-learning/ensemble-methods/stacking" class=''>Stacking</a></li>
<li><a href="/docs/2.9.1/machine-learning/ensemble-methods/baggin" class=''>Bagging</a></li>
<li><a href="/docs/2.9.1/machine-learning/ensemble-methods/random-forest" class=''>Random Forest</a></li>
<li><a href="/docs/2.9.1/machine-learning/ensemble-methods/gradient-boosting" class=''>Gradient Boosting</a></li>
</nav>
</li>
<li>
<a href="/docs/2.9.1/machine-learning/recommendation-systems"
class=''
>Recommendation Systems</a>
</li>
<li>
<button
type='button'
class='collapsed '>Importing Model<img class="state-indicator" src="/assets/images/left-nav-arrow.svg" width="6" height="10"></button>
<nav class="sub_pages collapsed">
<li><a href="/docs/2.9.1/machine-learning/importing-model/introduction" class=''>Introduction</a></li>
<li><a href="/docs/2.9.1/machine-learning/importing-model/model-import-from-gxboost" class=''>Import Model from XGBoost</a></li>
<li><a href="/docs/2.9.1/machine-learning/importing-model/model-import-from-apache-spark" class=''>Import Model from Apache Spark</a></li>
</nav>
</li>
</nav>
</li>
<li>
<a href="/docs/2.9.1/key-value-api/continuous-queries" class='' >Using Continuous Queries</a>
</li>
<li>
<a href="/docs/2.9.1/services/services" class='' >Using Ignite Services</a>
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<article data-swiftype-index='true'>
<a class='edit-link' href="https://github.com/apache/ignite/tree/IGNITE-7595/docs/_docs/security/tde.adoc" target="_blank">Edit</a>
<h1>Transparent Data Encryption</h1>
<div id="preamble">
<div class="sectionbody">
<div class="admonitionblock warning">
<table>
<tr>
<td class="icon">
<div class="title">Warning</div>
</td>
<td class="content">
This feature is in beta and not recommended for use in production environments.
</td>
</tr>
</table>
</div>
</div>
</div>
<div class="sect1">
<h2 id="overview">Overview</h2>
<div class="sectionbody">
<div class="paragraph">
<p>Transparent data encryption (TDE) allows users to encrypt their data at rest.</p>
</div>
<div class="paragraph">
<p>When <a href="/docs/2.9.1/persistence/native-persistence">Ignite persistence</a> is turned on, encryption can be enabled per cache/table, in which case the following data will be encrypted:</p>
</div>
<div class="ulist">
<ul>
<li>
<p>Data on disk</p>
</li>
<li>
<p>WAL records</p>
</li>
</ul>
</div>
<div class="paragraph">
<p>If you enable cache/table encryption, Ignite will generate a key (called <em>cache encryption key</em>) and will use this key to encrypt/decrypt the data in the cache.
The cache encryption key is held in the system cache and cannot be accessed by users.
When the cache encryption key is sent to other nodes or saved to disk (when the node goes down), it is encrypted using the <em>master key</em>.
The master key must be specified by the user in the configuration.</p>
</div>
<div class="paragraph">
<p>The <em>same</em> master key must be specified via the configuration in every server node. One way to ensure you&#8217;re using the same key is to copy the JKS file from one node to the other nodes. If you try to enable TDE using different keys, the nodes with the different key will not be able to join the cluster (will be rejected based on differing digests).</p>
</div>
<div class="paragraph">
<p>Ignite uses JDK-provided encryption algorithms: "AES/CBC/PKCS5Padding" to encrypt WAL records and "AES/CBC/NoPadding" to encrypt data pages on disk. To learn more about implementation details, see <a href="https://github.com/apache/ignite/tree/master/modules/core/src/main/java/org/apache/ignite/spi/encryption/keystore/KeystoreEncryptionSpi.java" target="_blank" rel="noopener">KeystoreEncryptionSpi</a>.</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="limitations">Limitations</h2>
<div class="sectionbody">
<div class="paragraph">
<p>Transparent Data Encryption has some limitations that you should be aware of before deploying it in your production environment.</p>
</div>
<div class="paragraph">
<p><strong>Encryption</strong></p>
</div>
<div class="ulist">
<ul>
<li>
<p>No option to change the encryption key at runtime.</p>
</li>
<li>
<p>No option to encrypt/decrypt existing caches/tables.</p>
</li>
</ul>
</div>
<div class="paragraph">
<p><strong>Snapshots and Recovery</strong></p>
</div>
<div class="ulist">
<ul>
<li>
<p>No support for snapshots. Snapshots are not encrypted and it&#8217;s not possible to recover from a snapshot that includes an encrypted table or cache.</p>
</li>
</ul>
</div>
</div>
</div>
<div class="sect1">
<h2 id="configuration">Configuration</h2>
<div class="sectionbody">
<div class="paragraph">
<p>To enable encryption in the cluster, provide a master key in the configuration of each server node. A configuration example is shown below.</p>
</div>
<code-tabs><code-tab data-tab='XML'><div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code data-lang="xml"><span class="nt">&lt;bean</span> <span class="na">class=</span><span class="s">"org.apache.ignite.configuration.IgniteConfiguration"</span><span class="nt">&gt;</span>
<span class="c">&lt;!-- We need to configure EncryptionSpi to enable encryption feature. --&gt;</span>
<span class="nt">&lt;property</span> <span class="na">name=</span><span class="s">"encryptionSpi"</span><span class="nt">&gt;</span>
<span class="c">&lt;!-- Using EncryptionSpi implementation based on java keystore. --&gt;</span>
<span class="nt">&lt;bean</span> <span class="na">class=</span><span class="s">"org.apache.ignite.spi.encryption.keystore.KeystoreEncryptionSpi"</span><span class="nt">&gt;</span>
<span class="c">&lt;!-- Path to the keystore file. --&gt;</span>
<span class="nt">&lt;property</span> <span class="na">name=</span><span class="s">"keyStorePath"</span> <span class="na">value=</span><span class="s">"ignite_keystore.jks"</span><span class="nt">/&gt;</span>
<span class="c">&lt;!-- Password for keystore file. --&gt;</span>
<span class="nt">&lt;property</span> <span class="na">name=</span><span class="s">"keyStorePassword"</span> <span class="na">value=</span><span class="s">"mypassw0rd"</span><span class="nt">/&gt;</span>
<span class="c">&lt;!-- Name of the key in keystore to be used as a master key. --&gt;</span>
<span class="nt">&lt;property</span> <span class="na">name=</span><span class="s">"masterKeyName"</span> <span class="na">value=</span><span class="s">"ignite.master.key"</span><span class="nt">/&gt;</span>
<span class="c">&lt;!-- Size of the cache encryption keys in bits. Can be 128, 192, or 256 bits.--&gt;</span>
<span class="nt">&lt;property</span> <span class="na">name=</span><span class="s">"keySize"</span> <span class="na">value=</span><span class="s">"256"</span><span class="nt">/&gt;</span>
<span class="nt">&lt;/bean&gt;</span>
<span class="nt">&lt;/property&gt;</span>
<span class="nt">&lt;property</span> <span class="na">name=</span><span class="s">"cacheConfiguration"</span><span class="nt">&gt;</span>
<span class="nt">&lt;bean</span> <span class="na">class=</span><span class="s">"org.apache.ignite.configuration.CacheConfiguration"</span><span class="nt">&gt;</span>
<span class="nt">&lt;property</span> <span class="na">name=</span><span class="s">"name"</span> <span class="na">value=</span><span class="s">"encrypted-cache"</span><span class="nt">/&gt;</span>
<span class="nt">&lt;property</span> <span class="na">name=</span><span class="s">"encryptionEnabled"</span> <span class="na">value=</span><span class="s">"true"</span><span class="nt">/&gt;</span>
<span class="nt">&lt;/bean&gt;</span>
<span class="nt">&lt;/property&gt;</span>
<span class="nt">&lt;/bean&gt;</span></code></pre>
</div>
</div></code-tab><code-tab data-tab='Java'><div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code data-lang="java"><span class="nc">IgniteConfiguration</span> <span class="n">cfg</span> <span class="o">=</span> <span class="k">new</span> <span class="nc">IgniteConfiguration</span><span class="o">();</span>
<span class="nc">KeystoreEncryptionSpi</span> <span class="n">encSpi</span> <span class="o">=</span> <span class="k">new</span> <span class="nc">KeystoreEncryptionSpi</span><span class="o">();</span>
<span class="n">encSpi</span><span class="o">.</span><span class="na">setKeyStorePath</span><span class="o">(</span><span class="s">"/home/user/ignite-keystore.jks"</span><span class="o">);</span>
<span class="n">encSpi</span><span class="o">.</span><span class="na">setKeyStorePassword</span><span class="o">(</span><span class="s">"secret"</span><span class="o">.</span><span class="na">toCharArray</span><span class="o">());</span>
<span class="n">cfg</span><span class="o">.</span><span class="na">setEncryptionSpi</span><span class="o">(</span><span class="n">encSpi</span><span class="o">);</span></code></pre>
</div>
</div></code-tab><code-tab data-tab='C#/.NET'></code-tab><code-tab data-tab='C++' data-unavailable='true'><div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code>This API is not presently available for C++. You can use XML configuration.</code></pre>
</div>
</div></code-tab></code-tabs>
<div class="paragraph">
<p>When the master key is configured, you can enable encryption for a cache as follows:</p>
</div>
<code-tabs><code-tab data-tab='XML'><div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code data-lang="xml"><span class="nt">&lt;property</span> <span class="na">name=</span><span class="s">"cacheConfiguration"</span><span class="nt">&gt;</span>
<span class="nt">&lt;bean</span> <span class="na">class=</span><span class="s">"org.apache.ignite.configuration.CacheConfiguration"</span><span class="nt">&gt;</span>
<span class="nt">&lt;property</span> <span class="na">name=</span><span class="s">"name"</span> <span class="na">value=</span><span class="s">"encrypted-cache"</span><span class="nt">/&gt;</span>
<span class="nt">&lt;property</span> <span class="na">name=</span><span class="s">"encryptionEnabled"</span> <span class="na">value=</span><span class="s">"true"</span><span class="nt">/&gt;</span>
<span class="nt">&lt;/bean&gt;</span>
<span class="nt">&lt;/property&gt;</span></code></pre>
</div>
</div></code-tab><code-tab data-tab='Java'><div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code data-lang="java"><span class="nc">CacheConfiguration</span><span class="o">&lt;</span><span class="nc">Long</span><span class="o">,</span> <span class="nc">String</span><span class="o">&gt;</span> <span class="n">ccfg</span> <span class="o">=</span> <span class="k">new</span> <span class="nc">CacheConfiguration</span><span class="o">&lt;</span><span class="nc">Long</span><span class="o">,</span> <span class="nc">String</span><span class="o">&gt;(</span><span class="s">"encrypted-cache"</span><span class="o">);</span>
<span class="n">ccfg</span><span class="o">.</span><span class="na">setEncryptionEnabled</span><span class="o">(</span><span class="kc">true</span><span class="o">);</span>
<span class="n">ignite</span><span class="o">.</span><span class="na">createCache</span><span class="o">(</span><span class="n">ccfg</span><span class="o">);</span></code></pre>
</div>
</div></code-tab><code-tab data-tab='SQL'><div class="listingblock">
<div class="content">
<pre class="rouge highlight"><code data-lang="sql"><span class="k">CREATE</span> <span class="k">TABLE</span> <span class="k">encrypted</span><span class="p">(</span>
<span class="n">ID</span> <span class="nb">BIGINT</span><span class="p">,</span>
<span class="n">NAME</span> <span class="nb">VARCHAR</span><span class="p">(</span><span class="mi">10</span><span class="p">),</span>
<span class="k">PRIMARY</span> <span class="k">KEY</span> <span class="p">(</span><span class="n">ID</span><span class="p">))</span>
<span class="k">WITH</span> <span class="nv">"ENCRYPTED=true"</span><span class="p">;</span></code></pre>
</div>
</div></code-tab></code-tabs>
</div>
</div>
<div class="sect1">
<h2 id="master-key-generation-example">Master Key Generation Example</h2>
<div class="sectionbody">
<div class="paragraph">
<p>A keystore with a master key can be created using <code>keytool</code> as follows:</p>
</div>
<div class="listingblock">
<div class="title">Master Key Generation Example</div>
<div class="content">
<pre class="rouge highlight"><code data-lang="shell">user:~/tmp:[]<span class="nv">$ </span>java <span class="nt">-version</span>
java version <span class="s2">"1.8.0_161"</span>
Java<span class="o">(</span>TM<span class="o">)</span> SE Runtime Environment <span class="o">(</span>build 1.8.0_161-b12<span class="o">)</span>
Java HotSpot<span class="o">(</span>TM<span class="o">)</span> 64-Bit Server VM <span class="o">(</span>build 25.161-b12, mixed mode<span class="o">)</span>
user:~/tmp:[]<span class="nv">$ </span>keytool <span class="nt">-genseckey</span> <span class="se">\</span>
<span class="nt">-alias</span> ignite.master.key <span class="se">\</span>
<span class="nt">-keystore</span> ./ignite_keystore.jks <span class="se">\</span>
<span class="nt">-storetype</span> PKCS12 <span class="se">\</span>
<span class="nt">-keyalg</span> aes <span class="se">\</span>
<span class="nt">-storepass</span> mypassw0rd <span class="se">\</span>
<span class="nt">-keysize</span> 256
user:~/tmp:[]<span class="nv">$ </span>keytool <span class="se">\</span>
<span class="nt">-storepass</span> mypassw0rd <span class="se">\</span>
<span class="nt">-storetype</span> PKCS12 <span class="se">\</span>
<span class="nt">-keystore</span> ./ignite_keystore.jks <span class="se">\</span>
<span class="nt">-list</span>
Keystore <span class="nb">type</span>: PKCS12
Keystore provider: SunJSSE
Your keystore contains 1 entry
ignite.master.key, 07.11.2018, SecretKeyEntry,</code></pre>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="source-code-example">Source Code Example</h2>
<div class="sectionbody">
<div class="paragraph">
<p><a href="https://github.com/apache/ignite/tree/master/examples/src/main/java/org/apache/ignite/examples/encryption/EncryptedCacheExample.java" target="_blank" rel="noopener">EncryptedCacheExample.java</a></p>
</div>
</div>
</div>
<div class="copyright">
© 2021 The Apache Software Foundation.<br/>
Apache, Apache Ignite, the Apache feather and the Apache Ignite logo are either registered trademarks or trademarks of The Apache Software Foundation.
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<li><a href="#limitations">Limitations</a></li>
<li><a href="#configuration">Configuration</a></li>
<li><a href="#master-key-generation-example">Master Key Generation Example</a></li>
<li><a href="#source-code-example">Source Code Example</a></li>
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