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Merged
stankiewicz merged 1 commit into from
Jun 8, 2026
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Update SpannerIO.java - comment documentation #38492

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8 changes: 4 additions & 4 deletions .../io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/spanner/SpannerIO.java
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Expand Up @@ -311,10 +311,10 @@
*
* <p>Note that the <a
* href="https://cloud.google.com/spanner/quotas#limits_for_creating_reading_updating_and_deleting_data">maximum
* size of a single transaction</a> is 20,000 mutated cells - including cells in indexes. If you
* have a large number of indexes and are getting exceptions with message: <tt>INVALID_ARGUMENT: The
* transaction contains too many mutations</tt> you will need to specify a smaller number of {@code
* MaxNumMutations}.
* number of mutations in a single transaction</a> is 80,000 mutations - including mutations in
* indexes. If you have a large number of indexes and are getting exceptions with message:
* <tt>INVALID_ARGUMENT: The transaction contains too many mutations</tt> you will need to specify a
* smaller number of {@code MaxNumMutations}.
*
* <p>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
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