diff --git a/sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/spanner/SpannerIO.java b/sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/spanner/SpannerIO.java index cccfced08218..d271e763aac5 100644 --- a/sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/spanner/SpannerIO.java +++ b/sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/spanner/SpannerIO.java @@ -311,10 +311,10 @@ * *
Note that the maximum - * size of a single transaction is 20,000 mutated cells - including cells in indexes. If you - * have a large number of indexes and are getting exceptions with message: INVALID_ARGUMENT: The - * transaction contains too many mutations you will need to specify a smaller number of {@code - * MaxNumMutations}. + * number of mutations in a single transaction is 80,000 mutations - including mutations in + * indexes. If you have a large number of indexes and are getting exceptions with message: + * INVALID_ARGUMENT: The transaction contains too many mutations you will need to specify a + * smaller number of {@code MaxNumMutations}. * *
The batches written are obtained from by grouping enough {@link Mutation Mutations} from the * Bundle provided by Beam to form several batches. This group of {@link Mutation Mutations} is then