chore(spanner): use ReplicaSelector in KeyRangeCache#12749
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chore(spanner): use ReplicaSelector in KeyRangeCache#12749
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This pull request implements latency-based replica selection by adding a LatencyTracker to ChannelEndpoint and updating the ReplicaSelector interface. KeyRangeCache now supports an optional ReplicaSelector for choosing between eligible tablets. Review feedback suggests optimizing ArrayList initialization in KeyRangeCache to prevent resizing and notes that the signature change in ReplicaSelector is a breaking change to the interface.
...panner/google-cloud-spanner/src/main/java/com/google/cloud/spanner/spi/v1/KeyRangeCache.java
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...nner/google-cloud-spanner/src/main/java/com/google/cloud/spanner/spi/v1/ReplicaSelector.java
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Integrates the ReplicaSelector in KeyRangeCache, so it can be used to select the best replica to send the request to. This feature is effectively disabled for production, as the ReplicaSelector is set to null by default.
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Integrates the ReplicaSelector in KeyRangeCache, so it can be used to select the best replica to send the request to. This feature is effectively disabled for production, as the ReplicaSelector is set to null by default.