fix: set wait timeout and update default attempt timeout to 30 minutes (#1779)

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Author: mutianf

google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/stub/EnhancedBigtableStubSettings.java

@@ -131,9 +131,9 @@ public class EnhancedBigtableStubSettings extends StubSettings<EnhancedBigtableS
  .setMaxRetryDelay(Duration.ofMinutes(1))
  .setMaxAttempts(10)
  .setJittered(true)
- .setInitialRpcTimeout(Duration.ofMinutes(5))
+ .setInitialRpcTimeout(Duration.ofMinutes(30))
  .setRpcTimeoutMultiplier(2.0)
- .setMaxRpcTimeout(Duration.ofMinutes(5))
+ .setMaxRpcTimeout(Duration.ofMinutes(30))
  .setTotalTimeout(Duration.ofHours(12))
  .build();
 
@@ -352,17 +352,21 @@ public static GoogleCredentialsProvider.Builder defaultCredentialsProviderBuilde
  *
  * <ul>
  * <li>{@link ServerStreamingCallSettings.Builder#setIdleTimeout Default idle timeout} is set to
- * 5 mins.
+ * 5 mins. Idle timeout is how long to wait before considering the stream orphaned by the
+ * user and closing it.
+ * <li>{@link ServerStreamingCallSettings.Builder#setWaitTimeout Default wait timeout} is set to
+ * 5 mins. Wait timeout is the maximum amount of time to wait for the next message from the
+ * server.
  * <li>Retry {@link ServerStreamingCallSettings.Builder#setRetryableCodes error codes} are:
  * {@link Code#DEADLINE_EXCEEDED}, {@link Code#UNAVAILABLE} and {@link Code#ABORTED}.
  * <li>RetryDelay between failed attempts {@link RetrySettings.Builder#setInitialRetryDelay
  * starts} at 10ms and {@link RetrySettings.Builder#setRetryDelayMultiplier increases
  * exponentially} by a factor of 2 until a {@link RetrySettings.Builder#setMaxRetryDelay
  * maximum of} 1 minute.
- * <li>The default read timeout for {@link RetrySettings.Builder#setMaxRpcTimeout each row} in a
- * response stream is 5 minutes with {@link RetrySettings.Builder#setMaxAttempts maximum
- * attempt} count of 10 times and the timeout to read the {@link
- * RetrySettings.Builder#setTotalTimeout entire stream} is 12 hours.
+ * <li>The default read timeout for {@link RetrySettings.Builder#setMaxRpcTimeout each attempt}
+ * is 30 minutes with {@link RetrySettings.Builder#setMaxAttempts maximum attempt} count of
+ * 10 times and the timeout to read the {@link RetrySettings.Builder#setTotalTimeout entire
+ * stream} is 12 hours.
  * </ul>
  */
  public ServerStreamingCallSettings<Query, Row> readRowsSettings() {
@@ -638,7 +642,8 @@ private Builder() {
  readRowsSettings
  .setRetryableCodes(READ_ROWS_RETRY_CODES)
  .setRetrySettings(READ_ROWS_RETRY_SETTINGS)
- .setIdleTimeout(Duration.ofMinutes(5));
+ .setIdleTimeout(Duration.ofMinutes(5))
+ .setWaitTimeout(Duration.ofMinutes(5));
 
  // Point reads should use same defaults as streaming reads, but with a shorter timeout
  readRowSettings = UnaryCallSettings.newUnaryCallSettingsBuilder();