Configurar um pool de conexões (HBase)
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Configura um pool de conexões.
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Exemplo de código
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[[["Fácil de entender","easyToUnderstand","thumb-up"],["Meu problema foi resolvido","solvedMyProblem","thumb-up"],["Outro","otherUp","thumb-up"]],[["Difícil de entender","hardToUnderstand","thumb-down"],["Informações incorretas ou exemplo de código","incorrectInformationOrSampleCode","thumb-down"],["Não contém as informações/amostras de que eu preciso","missingTheInformationSamplesINeed","thumb-down"],["Problema na tradução","translationIssue","thumb-down"],["Outro","otherDown","thumb-down"]],[],[[["\u003cp\u003eThis code sample demonstrates how to configure a connection pool for Google Cloud Bigtable using the Java client library.\u003c/p\u003e\n"],["\u003cp\u003eThe configuration involves setting the \u003ccode\u003eBIGTABLE_DATA_CHANNEL_COUNT_KEY\u003c/code\u003e parameter to specify the desired pool size within the Hadoop configuration.\u003c/p\u003e\n"],["\u003cp\u003eThe provided code showcases how to establish a connection to Bigtable using the configured connection pool settings.\u003c/p\u003e\n"],["\u003cp\u003eThe sample shows how to set up authentication to Bigtable by using Application Default Credentials.\u003c/p\u003e\n"]]],[],null,["# Configure a connection pool (HBase)\n\nConfigures a connection pool.\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Configure connection pools](/bigtable/docs/configure-connection-pools)\n\nCode sample\n-----------\n\n### Java\n\n\nTo learn how to install and use the client library for Bigtable, see\n[Bigtable client libraries](/bigtable/docs/reference/libraries).\n\n\nTo authenticate to Bigtable, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n\n\n import static com.google.cloud.bigtable.hbase.BigtableOptionsFactory.BIGTABLE_DATA_CHANNEL_COUNT_KEY;\n\n import com.google.cloud.bigtable.hbase.BigtableConfiguration;\n import org.apache.hadoop.conf.Configuration;\n import org.apache.hadoop.hbase.client.Connection;\n\n public class ConfigureConnectionPool {\n\n public static void configureConnectionPool(String projectId, String instanceId) {\n // String projectId = \"my-project-id\";\n // String instanceId = \"my-instance-id\";\n Configuration config = BigtableConfiguration.configure(projectId, instanceId);\n config.setInt(BIGTABLE_DATA_CHANNEL_COUNT_KEY, 10);\n try (Connection connection = BigtableConfiguration.connect(config)) {\n int poolSize = connection.getConfiguration().getInt(BIGTABLE_DATA_CHANNEL_COUNT_KEY, 0);\n\n System.out.println(String.format(\"Connected with pool size of %d\", poolSize));\n } catch (Exception e) {\n System.out.println(\"Error during ConfigureConnectionPool: \\n\" + e.toString());\n }\n }\n }\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=bigtable)."]]