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Leverage x-ms-cosmos-hub-region-processing-only for 404 Read Session Not Available cross-region retry scenarios. #47631

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Merged
jeet1995 merged 33 commits into from
Feb 8, 2026
Merged

Leverage x-ms-cosmos-hub-region-processing-only for 404 Read Session Not Available cross-region retry scenarios. #47631

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f2947d8
Adding `x-ms-cosmos-hub-region-processing-only` header.
jeet1995 Jan 5, 2026
aa521c5
Merge branch 'main' of https://github.com/jeet1995/azure-sdk-for-java…
jeet1995 Jan 7, 2026
a55d645
Adding `x-ms-cosmos-hub-region-processing-only` header.
jeet1995 Jan 8, 2026
d14a25c
Ensuring account-level region cycle through when `x-ms-cosmos-hub-reg…
jeet1995 Jan 9, 2026
69e2188
Forcing hub region processing flow to loop through all available read…
jeet1995 Jan 13, 2026
49deb57
Forcing hub region processing flow to loop through all available read…
jeet1995 Jan 13, 2026
1587ba9
Revert unnecessary changes.
jeet1995 Jan 13, 2026
146f8f0
Fixing compilation errors.
jeet1995 Jan 13, 2026
daaeba2
Fixing compilation errors.
jeet1995 Jan 13, 2026
5ac0021
Stabilizing CI pipeline.
jeet1995 Jan 14, 2026
836983b
Enforce partition-set hub tracking when reads hit 403:3s.
jeet1995 Jan 15, 2026
64cd83a
Add tests for readMany, readAll, query and change feed.
jeet1995 Jan 15, 2026
e74aeca
Add tests for readMany, readAll, query and change feed.
jeet1995 Jan 15, 2026
e6759bb
Add tests for readMany, readAll, query and change feed.
jeet1995 Jan 15, 2026
57121ba
Fixing a query plan caching test.
jeet1995 Jan 16, 2026
a6fb68c
Add hub region processing only request header to CosmosDiagnostics.
jeet1995 Jan 16, 2026
1eec23d
Attempt to make PPAF/PPCB info visible in CosmosDiagnostics.
jeet1995 Jan 17, 2026
337e650
Attempt to make PPAF/PPCB info visible in CosmosDiagnostics.
jeet1995 Jan 17, 2026
5ee00d2
Attempt to make PPAF/PPCB info visible in CosmosDiagnostics.
jeet1995 Jan 19, 2026
b245845
Merge branch 'main' of https://github.com/jeet1995/azure-sdk-for-java…
jeet1995 Jan 20, 2026
234cf96
Revert LocationCache changes.
jeet1995 Jan 22, 2026
cda3a10
Modify cross region retry protocol for 404:1002 in Single-Writer acco…
jeet1995 Jan 23, 2026
e7b7384
Merge branch 'main' of https://github.com/jeet1995/azure-sdk-for-java…
jeet1995 Jan 23, 2026
343d14b
Fixing tests.
jeet1995 Jan 23, 2026
6253340
Replace hardcoded timeouts with policy-derived values in PPAF E2E lat…
Copilot Jan 26, 2026
e98fa63
Fix system property cleanup in HubRegionProcessingOnlyTests to preven…
Copilot Jan 26, 2026
0923072
Fix hot-path allocations in DocumentServiceRequestContext getter meth…
Copilot Jan 26, 2026
76ac870
Merge branch 'main' of https://github.com/jeet1995/azure-sdk-for-java…
jeet1995 Jan 28, 2026
723e565
Fixing tests.
jeet1995 Jan 30, 2026
0fa8f4a
Addressing review comments.
jeet1995 Jan 30, 2026
6651e72
Merge branch 'main' of https://github.com/jeet1995/azure-sdk-for-java…
jeet1995 Jan 30, 2026
b63e8a5
Addressing review comments.
jeet1995 Jan 30, 2026
3512342
Addressing review comments.
jeet1995 Jan 30, 2026
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20 changes: 11 additions & 9 deletions ...-tests/src/test/java/com/azure/cosmos/GlobalPartitionEndpointManagerForPPAFUnitTests.java
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,6 @@
package com.azure.cosmos;

import com.azure.cosmos.implementation.AvailabilityStrategyContext;
import com.azure.cosmos.implementation.Configs;
import com.azure.cosmos.implementation.ConnectionPolicy;
import com.azure.cosmos.implementation.CrossRegionAvailabilityContextForRxDocumentServiceRequest;
import com.azure.cosmos.implementation.GlobalEndpointManager;
Expand All @@ -18,7 +17,9 @@
import com.azure.cosmos.implementation.apachecommons.collections.list.UnmodifiableList;
import com.azure.cosmos.implementation.guava25.collect.ImmutableList;
import com.azure.cosmos.implementation.perPartitionAutomaticFailover.GlobalPartitionEndpointManagerForPerPartitionAutomaticFailover;
import com.azure.cosmos.implementation.perPartitionAutomaticFailover.PartitionLevelFailoverInfo;
import com.azure.cosmos.implementation.perPartitionAutomaticFailover.PartitionLevelAutomaticFailoverInfo;
import com.azure.cosmos.implementation.perPartitionAutomaticFailover.PerPartitionAutomaticFailoverInfoHolder;
import com.azure.cosmos.implementation.perPartitionCircuitBreaker.PerPartitionCircuitBreakerInfoHolder;
import com.azure.cosmos.implementation.routing.RegionalRoutingContext;
import com.azure.cosmos.rx.TestSuiteBase;
import org.apache.commons.lang3.tuple.Pair;
Expand All @@ -37,7 +38,6 @@
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ScheduledFuture;
Expand Down Expand Up @@ -148,11 +148,11 @@ public void tryMarkEndpointAsUnavailableForPartitionKeyRange(
String maxExclusive = "BB";
String collectionResourceId = "dbs/db1/colls/coll1";

Field failedRegionalRoutingContextsField = PartitionLevelFailoverInfo.class.getDeclaredField("failedRegionalRoutingContexts");
Field failedRegionalRoutingContextsField = PartitionLevelAutomaticFailoverInfo.class.getDeclaredField("failedRegionalRoutingContexts");

assertThat(failedRegionalRoutingContextsField).isNotNull();

Field currentRegionalContextField = PartitionLevelFailoverInfo.class.getDeclaredField("current");
Field currentRegionalContextField = PartitionLevelAutomaticFailoverInfo.class.getDeclaredField("current");

assertThat(currentRegionalContextField).isNotNull();

Expand Down Expand Up @@ -362,11 +362,11 @@ private static void validateAllRegionsAreNotUnavailableAfterExceptionInLocation(
logger.warn("Handling exception for {}", locationWithFailure.getPath());
globalPartitionEndpointManagerForPerPartitionAutomaticFailover.tryMarkEndpointAsUnavailableForPartitionKeyRange(request, false);

Field failedLocationsField = PartitionLevelFailoverInfo.class.getDeclaredField("failedRegionalRoutingContexts");
Field failedLocationsField = PartitionLevelAutomaticFailoverInfo.class.getDeclaredField("failedRegionalRoutingContexts");

assertThat(failedLocationsField).isNotNull();

Field currentField = PartitionLevelFailoverInfo.class.getDeclaredField("current");
Field currentField = PartitionLevelAutomaticFailoverInfo.class.getDeclaredField("current");

assertThat(currentField).isNotNull();

Expand Down Expand Up @@ -421,8 +421,10 @@ private RxDocumentServiceRequest constructRxDocumentServiceRequestInstance(
false,
collectionLink,
new SerializationDiagnosticsContext()),
new AvailabilityStrategyContext(true, true)
)
new AvailabilityStrategyContext(true, true),
new AtomicBoolean(false),
new PerPartitionCircuitBreakerInfoHolder(),
new PerPartitionAutomaticFailoverInfoHolder())
);

return request;
Expand Down
7 changes: 6 additions & 1 deletion ...-tests/src/test/java/com/azure/cosmos/GlobalPartitionEndpointManagerForPPCBUnitTests.java
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,10 +15,12 @@
import com.azure.cosmos.implementation.RxDocumentServiceRequest;
import com.azure.cosmos.implementation.SerializationDiagnosticsContext;
import com.azure.cosmos.implementation.apachecommons.collections.list.UnmodifiableList;
import com.azure.cosmos.implementation.perPartitionAutomaticFailover.PerPartitionAutomaticFailoverInfoHolder;
import com.azure.cosmos.implementation.perPartitionCircuitBreaker.GlobalPartitionEndpointManagerForPerPartitionCircuitBreaker;
import com.azure.cosmos.implementation.perPartitionCircuitBreaker.LocationHealthStatus;
import com.azure.cosmos.implementation.perPartitionCircuitBreaker.LocationSpecificHealthContext;
import com.azure.cosmos.implementation.guava25.collect.ImmutableList;
import com.azure.cosmos.implementation.perPartitionCircuitBreaker.PerPartitionCircuitBreakerInfoHolder;
import com.azure.cosmos.implementation.routing.RegionalRoutingContext;
import org.apache.commons.lang3.tuple.Pair;
import org.mockito.Mockito;
Expand Down Expand Up @@ -1056,7 +1058,10 @@ private RxDocumentServiceRequest constructRxDocumentServiceRequestInstance(
false,
collectionLink,
new SerializationDiagnosticsContext()),
new AvailabilityStrategyContext(false, false)));
new AvailabilityStrategyContext(false, false),
new AtomicBoolean(false),
new PerPartitionCircuitBreakerInfoHolder(),
new PerPartitionAutomaticFailoverInfoHolder()));

return request;
}
Expand Down
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