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chore: bump the max inbound message size from GRPC's default 4MB #3989

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Merged
merged 3 commits into from
Jul 10, 2025
Merged

chore: bump the max inbound message size from GRPC's default 4MB #3989

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968bdfb
chore: bump set the max inbound message size from GRPC's default 4MB
rahul2393 Jul 10, 2025
87b46f6
Merge branch 'main' into fix-max-grpc-message-size
rahul2393 Jul 10, 2025
4375f58
trigger build
rahul2393 Jul 10, 2025
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4 changes: 3 additions & 1 deletion google-cloud-spanner/src/main/java/com/google/cloud/spanner/spi/v1/GapicSpannerRpc.java
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Original file line number Diff line number Diff line change
Expand Up @@ -224,7 +224,7 @@ public class GapicSpannerRpc implements SpannerRpc {
PathTemplate.create("projects/{project}");
private static final PathTemplate OPERATION_NAME_TEMPLATE =
PathTemplate.create("{database=projects/*/instances/*/databases/*}/operations/{operation}");
private static final int MAX_MESSAGE_SIZE = 100 * 1024 * 1024;
private static final int MAX_MESSAGE_SIZE = 256 * 1024 * 1024;
private static final int MAX_METADATA_SIZE = 32 * 1024; // bytes
private static final String PROPERTY_TIMEOUT_SECONDS =
"com.google.cloud.spanner.watchdogTimeoutSeconds";
Expand Down Expand Up @@ -344,6 +344,8 @@ public GapicSpannerRpc(final SpannerOptions options) {
InstantiatingGrpcChannelProvider.newBuilder()
.setChannelConfigurator(options.getChannelConfigurator())
.setEndpoint(options.getEndpoint())
.setMaxInboundMessageSize(MAX_MESSAGE_SIZE)
.setMaxInboundMetadataSize(MAX_METADATA_SIZE)
.setPoolSize(options.getNumChannels())

// Set a keepalive time of 120 seconds to help long running
Expand Down