Deprecated.This value is no longer used. The session pool does not prepare any sessions for
read/write transactions. Instead, a transaction will be started by including a
BeginTransaction option with the first statement of a transaction. This method may be
removed in a future release.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-28 UTC."],[],[],null,["# Class SessionPoolOptions (6.98.1)\n\nVersion latestkeyboard_arrow_down\n\n- [6.98.1 (latest)](/java/docs/reference/google-cloud-spanner/latest/com.google.cloud.spanner.SessionPoolOptions)\n- [6.98.0](/java/docs/reference/google-cloud-spanner/6.98.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.97.1](/java/docs/reference/google-cloud-spanner/6.97.1/com.google.cloud.spanner.SessionPoolOptions)\n- [6.96.1](/java/docs/reference/google-cloud-spanner/6.96.1/com.google.cloud.spanner.SessionPoolOptions)\n- [6.95.1](/java/docs/reference/google-cloud-spanner/6.95.1/com.google.cloud.spanner.SessionPoolOptions)\n- [6.94.0](/java/docs/reference/google-cloud-spanner/6.94.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.93.0](/java/docs/reference/google-cloud-spanner/6.93.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.89.0](/java/docs/reference/google-cloud-spanner/6.89.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.88.0](/java/docs/reference/google-cloud-spanner/6.88.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.87.0](/java/docs/reference/google-cloud-spanner/6.87.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.86.0](/java/docs/reference/google-cloud-spanner/6.86.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.85.0](/java/docs/reference/google-cloud-spanner/6.85.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.83.0](/java/docs/reference/google-cloud-spanner/6.83.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.82.0](/java/docs/reference/google-cloud-spanner/6.82.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.80.1](/java/docs/reference/google-cloud-spanner/6.80.1/com.google.cloud.spanner.SessionPoolOptions)\n- [6.79.0](/java/docs/reference/google-cloud-spanner/6.79.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.77.0](/java/docs/reference/google-cloud-spanner/6.77.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.74.1](/java/docs/reference/google-cloud-spanner/6.74.1/com.google.cloud.spanner.SessionPoolOptions)\n- [6.72.0](/java/docs/reference/google-cloud-spanner/6.72.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.71.0](/java/docs/reference/google-cloud-spanner/6.71.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.69.0](/java/docs/reference/google-cloud-spanner/6.69.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.68.0](/java/docs/reference/google-cloud-spanner/6.68.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.66.0](/java/docs/reference/google-cloud-spanner/6.66.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.65.1](/java/docs/reference/google-cloud-spanner/6.65.1/com.google.cloud.spanner.SessionPoolOptions)\n- [6.62.0](/java/docs/reference/google-cloud-spanner/6.62.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.60.0](/java/docs/reference/google-cloud-spanner/6.60.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.58.0](/java/docs/reference/google-cloud-spanner/6.58.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.57.0](/java/docs/reference/google-cloud-spanner/6.57.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.56.0](/java/docs/reference/google-cloud-spanner/6.56.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.55.0](/java/docs/reference/google-cloud-spanner/6.55.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.54.0](/java/docs/reference/google-cloud-spanner/6.54.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.53.0](/java/docs/reference/google-cloud-spanner/6.53.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.52.1](/java/docs/reference/google-cloud-spanner/6.52.1/com.google.cloud.spanner.SessionPoolOptions)\n- [6.51.0](/java/docs/reference/google-cloud-spanner/6.51.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.50.1](/java/docs/reference/google-cloud-spanner/6.50.1/com.google.cloud.spanner.SessionPoolOptions)\n- [6.49.0](/java/docs/reference/google-cloud-spanner/6.49.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.25.1](/java/docs/reference/google-cloud-spanner/6.25.1/com.google.cloud.spanner.SessionPoolOptions)\n- [6.24.0](/java/docs/reference/google-cloud-spanner/6.24.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.23.4](/java/docs/reference/google-cloud-spanner/6.23.4/com.google.cloud.spanner.SessionPoolOptions)\n- [6.22.0](/java/docs/reference/google-cloud-spanner/6.22.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.21.2](/java/docs/reference/google-cloud-spanner/6.21.2/com.google.cloud.spanner.SessionPoolOptions)\n- [6.20.0](/java/docs/reference/google-cloud-spanner/6.20.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.19.1](/java/docs/reference/google-cloud-spanner/6.19.1/com.google.cloud.spanner.SessionPoolOptions)\n- [6.18.0](/java/docs/reference/google-cloud-spanner/6.18.0/com.google.cloud.spanner.SessionPoolOptions)\n- [6.17.4](/java/docs/reference/google-cloud-spanner/6.17.4/com.google.cloud.spanner.SessionPoolOptions)\n- [6.14.1](/java/docs/reference/google-cloud-spanner/6.14.1/com.google.cloud.spanner.SessionPoolOptions) \n\n public class SessionPoolOptions\n\nOptions for the session pool used by `DatabaseClient`. \n\nInheritance\n-----------\n\n[Object](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html) \\\u003e SessionPoolOptions \n\nInherited Members\n-----------------\n\n[Object.clone()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#clone--) \n[Object.equals(Object)](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#equals-java.lang.Object-) \n[Object.finalize()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#finalize--) \n[Object.getClass()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#getClass--) \n[Object.hashCode()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#hashCode--) \n[Object.notify()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notify--) \n[Object.notifyAll()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notifyAll--) \n[Object.toString()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#toString--) \n[Object.wait()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait--) \n[Object.wait(long)](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-) \n[Object.wait(long,int)](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-int-)\n\nStatic Methods\n--------------\n\n### getUseMultiplexedSessionFromEnvVariablePartitionedOps()\n\n protected static Boolean getUseMultiplexedSessionFromEnvVariablePartitionedOps()\n\n| **Internal Only**: This feature is not stable for application use.\n\n### newBuilder()\n\n public static SessionPoolOptions.Builder newBuilder()\n\nMethods\n-------\n\n### equals(Object o)\n\n public boolean equals(Object o)\n\n**Overrides** \n[Object.equals(Object)](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#equals-java.lang.Object-)\n\n### getKeepAliveIntervalMinutes()\n\n public int getKeepAliveIntervalMinutes()\n\n### getMaxIdleSessions() (deprecated)\n\n public int getMaxIdleSessions()\n\n**Deprecated.** *Use a higher value for [SessionPoolOptions.Builder#setMinSessions(int)](/java/docs/reference/google-cloud-spanner/latest/com.google.cloud.spanner.SessionPoolOptions.Builder#com_google_cloud_spanner_SessionPoolOptions_Builder_setMinSessions_int_)\ninstead of setting this option.*\n\n### getMaxSessions()\n\n public int getMaxSessions()\n\n### getMinSessions()\n\n public int getMinSessions()\n\n### getRemoveInactiveSessionAfter()\n\n public Duration getRemoveInactiveSessionAfter()\n\n| **Obsolete**\n|\n| *Use getRemoveInactiveSessionAfterDuration() instead*\n|\n| This feature is stable for usage in this major version, but may be deprecated in a future release.\n\nThis method is obsolete. Use [#getRemoveInactiveSessionAfterDuration()](/java/docs/reference/google-cloud-spanner/latest/com.google.cloud.spanner.SessionPoolOptions#com_google_cloud_spanner_SessionPoolOptions_getRemoveInactiveSessionAfterDuration__) instead.\n\n### getRemoveInactiveSessionAfterDuration()\n\n public Duration getRemoveInactiveSessionAfterDuration()\n\n### getUseMultiplexedSession()\n\n public boolean getUseMultiplexedSession()\n\n| **Internal Only**: This feature is not stable for application use.\n\n### getUseMultiplexedSessionBlindWrite()\n\n protected boolean getUseMultiplexedSessionBlindWrite()\n\n| **Internal Only**: This feature is not stable for application use.\n\n### getUseMultiplexedSessionForRW()\n\n public boolean getUseMultiplexedSessionForRW()\n\n| **Internal Only**: This feature is not stable for application use.\n\n### getUseMultiplexedSessionPartitionedOps()\n\n public boolean getUseMultiplexedSessionPartitionedOps()\n\n| **Internal Only**: This feature is not stable for application use.\n\n### getWriteSessionsFraction() (deprecated)\n\n public float getWriteSessionsFraction()\n\n**Deprecated.** *This value is no longer used. The session pool does not prepare any sessions for\nread/write transactions. Instead, a transaction will be started by including a\nBeginTransaction option with the first statement of a transaction. This method may be\nremoved in a future release.*\n\n### hashCode()\n\n public int hashCode()\n\n**Overrides** \n[Object.hashCode()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#hashCode--)\n\n### isAutoDetectDialect()\n\n public boolean isAutoDetectDialect()\n\n### isBlockIfPoolExhausted()\n\n public boolean isBlockIfPoolExhausted()\n\n### isFailIfPoolExhausted()\n\n public boolean isFailIfPoolExhausted()\n\n### isTrackStackTraceOfSessionCheckout()\n\n public boolean isTrackStackTraceOfSessionCheckout()\n\n### toBuilder()\n\n public SessionPoolOptions.Builder toBuilder()"]]