Single conditional writer for UserFateStore #5670
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Avoids creating multiple conditional writers for UserFateStore. * FateStore now extends AutoCloseable * MetaFateStore.close() falls back to AbstractFateStores impl of close() which is no-op * UserFateStore.close() closes the conditional writer * All tests using a FateStore now call close() * The real fate stores are closed on the shutdown of fate * UserFateStore now only creates a single conditional writer * Num threads for this conditional writer set by a new prop CONDITIONAL_WRITER_THREADS_MAX_FATE_TABLE * writer in UserFateStore is a memoized Supplier so it's not created when using a ReadOnlyFateStore. closes apache#5660
kevinrr888
commented
Jun 20, 2025
core/src/main/java/org/apache/accumulo/core/clientImpl/ClientContext.java
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core/src/main/java/org/apache/accumulo/core/conf/ClientProperty.java
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was using try-with-resources on a ReadOnlyFateStore in one place. Reverted the added try-with-resources
core/src/main/java/org/apache/accumulo/core/clientImpl/ClientContext.java
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core/src/main/java/org/apache/accumulo/core/conf/ClientProperty.java
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keith-turner
approved these changes
Jun 24, 2025
server/base/src/main/java/org/apache/accumulo/server/util/Admin.java
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Avoids creating multiple conditional writers for UserFateStore.
Diff is much larger than actual changes, much of the changes are from needing to put the fate stores in a try-with-resources.
Verified sunny passes and all FATE tests pass
closes #5660