我独立安装了 Apache pulsar。Pulsar 有时会超时。它与高吞吐量无关,也与特定主题(以下日志)无关。Pulsar-admin 代理运行状况检查也返回 OK 或超时。如何对此进行调查?
10:46:46.365 [pulsar-ordered-OrderedExecutor-7-0] WARN org.apache.pulsar.broker.service.BrokerService - Got exception when reading persistence policy for persistent://nnx/agent_ns/action_up-53da8177-b4b9-4b92-8f75-efe94dc2309d: null
java.util.concurrent.TimeoutException: null
at java.util.concurrent.CompletableFuture.timedGet(CompletableFuture.java:1784) ~[?:1.8.0_232]
at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1928) ~[?:1.8.0_232]
at org.apache.pulsar.zookeeper.ZooKeeperDataCache.get(ZooKeeperDataCache.java:97) ~[org.apache.pulsar-pulsar-zookeeper-utils-2.5.0.jar:2.5.0]
at org.apache.pulsar.broker.service.BrokerService.lambda$getManagedLedgerConfig$32(BrokerService.java:922) ~[org.apache.pulsar-pulsar-broker-2.5.0.jar:2.5.0]
at org.apache.bookkeeper.mledger.util.SafeRun$2.safeRun(SafeRun.java:49) [org.apache.pulsar-managed-ledger-2.5.0.jar:2.5.0]
at org.apache.bookkeeper.common.util.SafeRunnable.run(SafeRunnable.java:36) [org.apache.bookkeeper-bookkeeper-common-4.10.0.jar:4.10.0]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_232]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_232]
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) [io.netty-netty-common-4.1.43.Final.jar:4.1.43.Final]