2023-06-09 10:10:23,051 main DEBUG Apache Log4j Core 2.17.2 initializing configuration org.apache.logging.log4j.core.config.properties.PropertiesConfiguration@4e08711f
2023-06-09 10:10:23,069 main DEBUG Took 0.015310 seconds to load 1 plugins from package org.apache.hadoop.hbase.logging
2023-06-09 10:10:23,070 main DEBUG PluginManager 'Core' found 129 plugins
2023-06-09 10:10:23,070 main DEBUG PluginManager 'Level' found 0 plugins
2023-06-09 10:10:23,072 main DEBUG PluginManager 'Lookup' found 16 plugins
2023-06-09 10:10:23,073 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-06-09 10:10:23,084 main DEBUG PluginManager 'TypeConverter' found 26 plugins
2023-06-09 10:10:23,100 main DEBUG LoggerConfig$Builder(additivity="null", level="ERROR", levelAndRefs="null", name="org.apache.hadoop.metrics2.util.MBeans", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-06-09 10:10:23,102 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-06-09 10:10:23,103 main DEBUG LoggerConfig$Builder(additivity="null", level="DEBUG", levelAndRefs="null", name="org.apache.hadoop.hbase.logging.TestJul2Slf4j", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-06-09 10:10:23,103 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-06-09 10:10:23,104 main DEBUG LoggerConfig$Builder(additivity="null", level="ERROR", levelAndRefs="null", name="org.apache.zookeeper", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-06-09 10:10:23,105 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-06-09 10:10:23,105 main DEBUG LoggerConfig$Builder(additivity="null", level="WARN", levelAndRefs="null", name="org.apache.hadoop.metrics2.impl.MetricsSinkAdapter", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-06-09 10:10:23,106 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-06-09 10:10:23,106 main DEBUG LoggerConfig$Builder(additivity="null", level="ERROR", levelAndRefs="null", name="org.apache.hadoop.metrics2.impl.MetricsSystemImpl", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-06-09 10:10:23,106 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-06-09 10:10:23,107 main DEBUG LoggerConfig$Builder(additivity="false", level="WARN", levelAndRefs="null", name="org.apache.directory", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-06-09 10:10:23,108 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-06-09 10:10:23,108 main DEBUG LoggerConfig$Builder(additivity="null", level="DEBUG", levelAndRefs="null", name="org.apache.hadoop.hbase.ipc.FailedServers", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-06-09 10:10:23,109 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-06-09 10:10:23,109 main DEBUG LoggerConfig$Builder(additivity="null", level="WARN", levelAndRefs="null", name="org.apache.hadoop.metrics2.impl.MetricsConfig", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-06-09 10:10:23,110 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-06-09 10:10:23,110 main DEBUG LoggerConfig$Builder(additivity="null", level="INFO", levelAndRefs="null", name="org.apache.hadoop.hbase.ScheduledChore", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-06-09 10:10:23,111 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-06-09 10:10:23,111 main DEBUG LoggerConfig$Builder(additivity="null", level="WARN", levelAndRefs="null", name="org.apache.hadoop", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-06-09 10:10:23,111 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-06-09 10:10:23,112 main DEBUG LoggerConfig$Builder(additivity="null", level="DEBUG", levelAndRefs="null", name="org.apache.hadoop.hbase.regionserver.RSRpcServices", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-06-09 10:10:23,113 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-06-09 10:10:23,113 main DEBUG LoggerConfig$Builder(additivity="null", level="DEBUG", levelAndRefs="null", name="org.apache.hadoop.hbase", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-06-09 10:10:23,113 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-06-09 10:10:23,114 main DEBUG LoggerConfig$Builder(additivity="null", level="DEBUG", levelAndRefs="null", name="org.apache.hbase.thirdparty.io.netty.channel", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-06-09 10:10:23,114 main DEBUG Building Plugin[name=root, class=org.apache.logging.log4j.core.config.LoggerConfig$RootLogger].
2023-06-09 10:10:23,117 main DEBUG LoggerConfig$RootLogger$Builder(additivity="null", level="null", levelAndRefs="INFO,Console", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-06-09 10:10:23,120 main DEBUG Building Plugin[name=loggers, class=org.apache.logging.log4j.core.config.LoggersPlugin].
2023-06-09 10:10:23,122 main DEBUG createLoggers(={org.apache.hadoop.metrics2.util.MBeans, org.apache.hadoop.hbase.logging.TestJul2Slf4j, org.apache.zookeeper, org.apache.hadoop.metrics2.impl.MetricsSinkAdapter, org.apache.hadoop.metrics2.impl.MetricsSystemImpl, org.apache.directory, org.apache.hadoop.hbase.ipc.FailedServers, org.apache.hadoop.metrics2.impl.MetricsConfig, org.apache.hadoop.hbase.ScheduledChore, org.apache.hadoop, org.apache.hadoop.hbase.regionserver.RSRpcServices, org.apache.hadoop.hbase, org.apache.hbase.thirdparty.io.netty.channel, root})
2023-06-09 10:10:23,123 main DEBUG Building Plugin[name=layout, class=org.apache.logging.log4j.core.layout.PatternLayout].
2023-06-09 10:10:23,124 main DEBUG PatternLayout$Builder(pattern="%d{ISO8601} %-5p [%t%notEmpty{ %X}] %C{2}(%L): %m%n", PatternSelector=null, Configuration(PropertiesConfig), Replace=null, charset="null", alwaysWriteExceptions="null", disableAnsi="null", noConsoleNoAnsi="null", header="null", footer="null")
2023-06-09 10:10:23,125 main DEBUG PluginManager 'Converter' found 47 plugins
2023-06-09 10:10:23,141 main DEBUG Building Plugin[name=appender, class=org.apache.hadoop.hbase.logging.HBaseTestAppender].
2023-06-09 10:10:23,144 main DEBUG HBaseTestAppender$Builder(target="SYSTEM_ERR", maxSize="1G", bufferedIo="null", bufferSize="null", immediateFlush="null", ignoreExceptions="null", PatternLayout(%d{ISO8601} %-5p [%t%notEmpty{ %X}] %C{2}(%L): %m%n), name="Console", Configuration(PropertiesConfig), Filter=null, ={})
2023-06-09 10:10:23,146 main DEBUG Starting HBaseTestOutputStreamManager SYSTEM_ERR
2023-06-09 10:10:23,146 main DEBUG Building Plugin[name=appenders, class=org.apache.logging.log4j.core.config.AppendersPlugin].
2023-06-09 10:10:23,150 main DEBUG createAppenders(={Console})
2023-06-09 10:10:23,152 main DEBUG Configuration org.apache.logging.log4j.core.config.properties.PropertiesConfiguration@4e08711f initialized
2023-06-09 10:10:23,152 main DEBUG Starting configuration org.apache.logging.log4j.core.config.properties.PropertiesConfiguration@4e08711f
2023-06-09 10:10:23,153 main DEBUG Started configuration org.apache.logging.log4j.core.config.properties.PropertiesConfiguration@4e08711f OK.
2023-06-09 10:10:23,153 main DEBUG Shutting down OutputStreamManager SYSTEM_OUT.false.false-1
2023-06-09 10:10:23,154 main DEBUG OutputStream closed
2023-06-09 10:10:23,154 main DEBUG Shut down OutputStreamManager SYSTEM_OUT.false.false-1, all resources released: true
2023-06-09 10:10:23,155 main DEBUG Appender DefaultConsole-1 stopped with status true
2023-06-09 10:10:23,155 main DEBUG Stopped org.apache.logging.log4j.core.config.DefaultConfiguration@74e52303 OK
2023-06-09 10:10:23,212 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586
2023-06-09 10:10:23,214 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=StatusLogger
2023-06-09 10:10:23,215 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=ContextSelector
2023-06-09 10:10:23,216 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=
2023-06-09 10:10:23,217 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.directory
2023-06-09 10:10:23,217 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.hadoop.metrics2.impl.MetricsSinkAdapter
2023-06-09 10:10:23,218 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.zookeeper
2023-06-09 10:10:23,218 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.hadoop.hbase.logging.TestJul2Slf4j
2023-06-09 10:10:23,218 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.hadoop.metrics2.impl.MetricsSystemImpl
2023-06-09 10:10:23,219 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.hadoop.metrics2.util.MBeans
2023-06-09 10:10:23,219 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.hadoop.hbase
2023-06-09 10:10:23,219 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.hadoop
2023-06-09 10:10:23,220 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.hadoop.hbase.ipc.FailedServers
2023-06-09 10:10:23,220 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.hadoop.hbase.regionserver.RSRpcServices
2023-06-09 10:10:23,220 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.hadoop.metrics2.impl.MetricsConfig
2023-06-09 10:10:23,221 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.hbase.thirdparty.io.netty.channel
2023-06-09 10:10:23,221 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.hadoop.hbase.ScheduledChore
2023-06-09 10:10:23,222 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Appenders,name=Console
2023-06-09 10:10:23,225 main DEBUG org.apache.logging.log4j.core.util.SystemClock does not support precise timestamps.
2023-06-09 10:10:23,226 main DEBUG Reconfiguration complete for context[name=1b6d3586] at URI jar:file:/home/jenkins/jenkins-home/workspace/HBase-Flaky-Tests_branch-2/hbase-logging/target/hbase-logging-2.6.0-SNAPSHOT-tests.jar!/log4j2.properties (org.apache.logging.log4j.core.LoggerContext@7133da86) with optional ClassLoader: null
2023-06-09 10:10:23,226 main DEBUG Shutdown hook enabled. Registering a new one.
2023-06-09 10:10:23,227 main DEBUG LoggerContext[name=1b6d3586, org.apache.logging.log4j.core.LoggerContext@7133da86] started OK.
2023-06-09T10:10:23,246 INFO  [main {}] hbase.HBaseClassTestRule(94): Test class org.apache.hadoop.hbase.io.hfile.bucket.TestPrefetchPersistence timeout: 13 mins
2023-06-09 10:10:23,249 main DEBUG AsyncLogger.ThreadNameStrategy=UNCACHED (user specified null, default is UNCACHED)
2023-06-09 10:10:23,249 main DEBUG org.apache.logging.log4j.core.util.SystemClock does not support precise timestamps.
2023-06-09T10:10:23,545 DEBUG [main {}] hbase.HBaseTestingUtility(348): Setting hbase.rootdir to /home/jenkins/jenkins-home/workspace/HBase-Flaky-Tests_branch-2/hbase-server/target/test-data/e626cefe-66f3-ae06-9b26-a18e94a1f01e
2023-06-09T10:10:23,584 INFO  [Time-limited test {}] hbase.ResourceChecker(147): before: io.hfile.bucket.TestPrefetchPersistence#testPrefetchPersistence[0: blockSize=16,384, bucketSizes=[I@238d68ff] Thread=10, OpenFileDescriptor=278, MaxFileDescriptor=60000, SystemLoadAverage=877, ProcessCount=174, AvailableMemoryMB=7917
2023-06-09T10:10:23,715 WARN  [Time-limited test {}] util.NativeCodeLoader(62): Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
2023-06-09T10:10:24,161 DEBUG [Time-limited test {}] fs.HFileSystem(308): The file system is not a DistributedFileSystem. Skipping on block location reordering
2023-06-09T10:10:24,162 DEBUG [Time-limited test {}] fs.HFileSystem(308): The file system is not a DistributedFileSystem. Skipping on block location reordering
2023-06-09T10:10:24,180 INFO  [Time-limited test {}] bucket.FileIOEngine(96): Allocating cache 32 MB, on the path:/home/jenkins/jenkins-home/workspace/HBase-Flaky-Tests_branch-2/hbase-server/target/test-data/e626cefe-66f3-ae06-9b26-a18e94a1f01e/bucket.cache
2023-06-09T10:10:24,182 INFO  [Time-limited test {}] bucket.BucketCache(291): Instantiating BucketCache with acceptableFactor: 0.95, minFactor: 0.85, extraFreeFactor: 0.1, singleFactor: 0.25, multiFactor: 0.5, memoryFactor: 0.25
2023-06-09T10:10:24,194 INFO  [Time-limited test {}] bucket.BucketAllocator(339): Cache totalSize=33288192, buckets=63, bucket capacity=528384=(4*132096)=(FEWEST_ITEMS_IN_BUCKET*(largest configured bucketcache size))
2023-06-09T10:10:24,195 INFO  [Time-limited test {}] bucket.BucketCachePersister(35): BucketCachePersister started with interval: 1000
2023-06-09T10:10:24,202 INFO  [Time-limited test {}] bucket.BucketCache(334): Started bucket cache; ioengine=file:/home/jenkins/jenkins-home/workspace/HBase-Flaky-Tests_branch-2/hbase-server/target/test-data/e626cefe-66f3-ae06-9b26-a18e94a1f01e/bucket.cache, capacity=32 MB, blockSize=16 KB, writerThreadNum=3, writerQLen=64, persistencePath=/home/jenkins/jenkins-home/workspace/HBase-Flaky-Tests_branch-2/hbase-server/target/test-data/e626cefe-66f3-ae06-9b26-a18e94a1f01e/bucket.persistence, bucketAllocator=org.apache.hadoop.hbase.io.hfile.bucket.BucketAllocator
2023-06-09T10:10:24,228 DEBUG [Time-limited test {}] util.ClassSize(228): Using Unsafe to estimate memory layout
2023-06-09T10:10:24,382 WARN  [Time-limited test {}] impl.MetricsConfig(128): Cannot locate configuration: tried hadoop-metrics2-hbase.properties,hadoop-metrics2.properties
2023-06-09T10:10:24,430 INFO  [Time-limited test {}] metrics.MetricRegistriesLoader(60): Loaded MetricRegistries class org.apache.hadoop.hbase.metrics.impl.MetricRegistriesImpl
2023-06-09T10:10:24,456 DEBUG [Time-limited test {}] hfile.HFile$WriterFactory(307): Unable to set drop behind on 95b0e3030327483fb384f2cffc43335c
2023-06-09T10:10:24,550 DEBUG [Time-limited test {}] hfile.HFileWriterImpl(813): Len of the biggest cell in /home/jenkins/jenkins-home/workspace/HBase-Flaky-Tests_branch-2/hbase-server/target/test-data/e626cefe-66f3-ae06-9b26-a18e94a1f01e/TestPrefetch0/95b0e3030327483fb384f2cffc43335c is 222, key is aaaaaaaaaaaaaaaaaaaaaaaabbaababa/Ci:wIwS_ePzkQEh/-1135386424750280012/Put/seqid=0
2023-06-09T10:10:24,624 DEBUG [Time-limited test {}] hfile.HFile$WriterFactory(307): Unable to set drop behind on c74675d76cfa4f73a65ab3d5c49ac7ea
2023-06-09T10:10:24,640 DEBUG [Time-limited test {}] hfile.HFileWriterImpl(813): Len of the biggest cell in /home/jenkins/jenkins-home/workspace/HBase-Flaky-Tests_branch-2/hbase-server/target/test-data/e626cefe-66f3-ae06-9b26-a18e94a1f01e/TestPrefetch1/c74675d76cfa4f73a65ab3d5c49ac7ea is 225, key is aaaaaaaaaaaaaaaaaaaaaaaababaaabb/eFjmw:mEPLdg2u/1541616933191898630/Put/seqid=0
2023-06-09T10:10:24,735 DEBUG [Time-limited test {}] hfile.PrefetchExecutor(110): Prefetch requested for /home/jenkins/jenkins-home/workspace/HBase-Flaky-Tests_branch-2/hbase-server/target/test-data/e626cefe-66f3-ae06-9b26-a18e94a1f01e/TestPrefetch0/95b0e3030327483fb384f2cffc43335c, delay=963 ms
2023-06-09T10:10:25,729 DEBUG [hfile-prefetch-1686305424738 {}] hfile.PrefetchExecutor(126): Prefetch completed for 95b0e3030327483fb384f2cffc43335c
2023-06-09T10:10:25,798 DEBUG [Time-limited test {}] hfile.PrefetchExecutor(110): Prefetch requested for /home/jenkins/jenkins-home/workspace/HBase-Flaky-Tests_branch-2/hbase-server/target/test-data/e626cefe-66f3-ae06-9b26-a18e94a1f01e/TestPrefetch1/c74675d76cfa4f73a65ab3d5c49ac7ea, delay=923 ms
2023-06-09T10:10:26,201 DEBUG [bucket-cache-persister {}] bucket.BucketCachePersister(43): Cache is inconsistent, persisting to disk
2023-06-09T10:10:26,732 DEBUG [hfile-prefetch-1686305425798 {}] hfile.PrefetchExecutor(126): Prefetch completed for c74675d76cfa4f73a65ab3d5c49ac7ea
2023-06-09T10:10:26,801 INFO  [Time-limited test {}] bucket.BucketCache(1402): Shutdown bucket cache: IO persistent=true; path to write=/home/jenkins/jenkins-home/workspace/HBase-Flaky-Tests_branch-2/hbase-server/target/test-data/e626cefe-66f3-ae06-9b26-a18e94a1f01e/bucket.persistence
2023-06-09T10:10:26,801 INFO  [Time-limited test-BucketCacheWriter-2 {}] bucket.BucketCache$WriterThread(1026): Time-limited test-BucketCacheWriter-2 exiting, cacheEnabled=false
2023-06-09T10:10:26,801 INFO  [Time-limited test-BucketCacheWriter-0 {}] bucket.BucketCache$WriterThread(1026): Time-limited test-BucketCacheWriter-0 exiting, cacheEnabled=false
2023-06-09T10:10:26,801 INFO  [Time-limited test-BucketCacheWriter-1 {}] bucket.BucketCache$WriterThread(1026): Time-limited test-BucketCacheWriter-1 exiting, cacheEnabled=false
2023-06-09T10:10:26,801 WARN  [bucket-cache-persister {}] bucket.BucketCachePersister(50): InterruptedException in BucketCachePersister sleep interrupted 
2023-06-09T10:10:26,807 INFO  [Time-limited test {}] bucket.FileIOEngine(96): Allocating cache 32 MB, on the path:/home/jenkins/jenkins-home/workspace/HBase-Flaky-Tests_branch-2/hbase-server/target/test-data/e626cefe-66f3-ae06-9b26-a18e94a1f01e/bucket.cache
2023-06-09T10:10:26,807 INFO  [Time-limited test {}] bucket.BucketCache(291): Instantiating BucketCache with acceptableFactor: 0.95, minFactor: 0.85, extraFreeFactor: 0.1, singleFactor: 0.25, multiFactor: 0.5, memoryFactor: 0.25
2023-06-09T10:10:26,807 INFO  [Time-limited test {}] bucket.BucketAllocator(339): Cache totalSize=33288192, buckets=63, bucket capacity=528384=(4*132096)=(FEWEST_ITEMS_IN_BUCKET*(largest configured bucketcache size))
2023-06-09T10:10:26,807 INFO  [Time-limited test {}] bucket.BucketCachePersister(35): BucketCachePersister started with interval: 1000
2023-06-09T10:10:26,808 INFO  [Time-limited test {}] hfile.PrefetchExecutor(171): Retrieving from prefetch persistence file /home/jenkins/jenkins-home/workspace/HBase-Flaky-Tests_branch-2/hbase-server/target/test-data/e626cefe-66f3-ae06-9b26-a18e94a1f01e/prefetch.persistence
2023-06-09T10:10:26,825 INFO  [Time-limited test {}] bucket.BucketAllocator(339): Cache totalSize=33288192, buckets=63, bucket capacity=528384=(4*132096)=(FEWEST_ITEMS_IN_BUCKET*(largest configured bucketcache size))
2023-06-09T10:10:26,826 INFO  [Time-limited test {}] bucket.BucketCache(334): Started bucket cache; ioengine=file:/home/jenkins/jenkins-home/workspace/HBase-Flaky-Tests_branch-2/hbase-server/target/test-data/e626cefe-66f3-ae06-9b26-a18e94a1f01e/bucket.cache, capacity=32 MB, blockSize=16 KB, writerThreadNum=3, writerQLen=64, persistencePath=/home/jenkins/jenkins-home/workspace/HBase-Flaky-Tests_branch-2/hbase-server/target/test-data/e626cefe-66f3-ae06-9b26-a18e94a1f01e/bucket.persistence, bucketAllocator=org.apache.hadoop.hbase.io.hfile.bucket.BucketAllocator
2023-06-09T10:10:26,827 INFO  [Time-limited test {}] hfile.PrefetchExecutor(95): File has already been prefetched before the restart, so skipping prefetch : /home/jenkins/jenkins-home/workspace/HBase-Flaky-Tests_branch-2/hbase-server/target/test-data/e626cefe-66f3-ae06-9b26-a18e94a1f01e/TestPrefetch0/95b0e3030327483fb384f2cffc43335c
2023-06-09T10:10:26,830 INFO  [Time-limited test {}] hfile.PrefetchExecutor(95): File has already been prefetched before the restart, so skipping prefetch : /home/jenkins/jenkins-home/workspace/HBase-Flaky-Tests_branch-2/hbase-server/target/test-data/e626cefe-66f3-ae06-9b26-a18e94a1f01e/TestPrefetch1/c74675d76cfa4f73a65ab3d5c49ac7ea
2023-06-09T10:10:26,831 INFO  [Time-limited test {}] hfile.PrefetchExecutor(95): File has already been prefetched before the restart, so skipping prefetch : /home/jenkins/jenkins-home/workspace/HBase-Flaky-Tests_branch-2/hbase-server/target/test-data/e626cefe-66f3-ae06-9b26-a18e94a1f01e/TestPrefetch1/c74675d76cfa4f73a65ab3d5c49ac7ea
2023-06-09T10:10:26,832 DEBUG [Time-limited test {}] hfile.PrefetchExecutor(137): Removing filename from the prefetched persistence list: c74675d76cfa4f73a65ab3d5c49ac7ea
2023-06-09T10:10:26,857 INFO  [Time-limited test {}] hbase.ResourceChecker(175): after: io.hfile.bucket.TestPrefetchPersistence#testPrefetchPersistence[0: blockSize=16,384, bucketSizes=[I@238d68ff] Thread=20 (was 10)
Potentially hanging thread: hfile-prefetch-1686305424738
	sun.misc.Unsafe.park(Native Method)
	java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
	java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
	java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
	java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
	java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
	java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
	java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	java.lang.Thread.run(Thread.java:750)

Potentially hanging thread: BucketCacheStatsExecutor
	sun.misc.Unsafe.park(Native Method)
	java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
	java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
	java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
	java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
	java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
	java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
	java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	java.lang.Thread.run(Thread.java:750)

Potentially hanging thread: Time-limited test-BucketCacheWriter-2
	sun.misc.Unsafe.park(Native Method)
	java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
	java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
	java.util.concurrent.ArrayBlockingQueue.take(ArrayBlockingQueue.java:403)
	org.apache.hadoop.hbase.io.hfile.bucket.BucketCache.getRAMQueueEntries(BucketCache.java:1233)
	org.apache.hadoop.hbase.io.hfile.bucket.BucketCache$WriterThread.run(BucketCache.java:1012)

Potentially hanging thread: HBase-Metrics2-1
	sun.misc.Unsafe.park(Native Method)
	java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
	java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
	java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)
	java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
	java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
	java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
	java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	java.lang.Thread.run(Thread.java:750)

Potentially hanging thread: Time-limited test-BucketCacheWriter-0
	sun.misc.Unsafe.park(Native Method)
	java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
	java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
	java.util.concurrent.ArrayBlockingQueue.take(ArrayBlockingQueue.java:403)
	org.apache.hadoop.hbase.io.hfile.bucket.BucketCache.getRAMQueueEntries(BucketCache.java:1233)
	org.apache.hadoop.hbase.io.hfile.bucket.BucketCache$WriterThread.run(BucketCache.java:1012)

Potentially hanging thread: hfile-prefetch-1686305425798
	sun.misc.Unsafe.park(Native Method)
	java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
	java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
	java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1081)
	java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
	java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
	java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
	java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	java.lang.Thread.run(Thread.java:750)

Potentially hanging thread: org.apache.hadoop.fs.FileSystem$Statistics$StatisticsDataReferenceCleaner
	java.lang.Object.wait(Native Method)
	java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:144)
	java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:165)
	org.apache.hadoop.fs.FileSystem$Statistics$StatisticsDataReferenceCleaner.run(FileSystem.java:3712)
	java.lang.Thread.run(Thread.java:750)

Potentially hanging thread: bucket-cache-persister
	java.lang.Thread.sleep(Native Method)
	org.apache.hadoop.hbase.io.hfile.bucket.BucketCachePersister.run(BucketCachePersister.java:41)

Potentially hanging thread: Time-limited test-BucketCacheWriter-1
	sun.misc.Unsafe.park(Native Method)
	java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
	java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
	java.util.concurrent.ArrayBlockingQueue.take(ArrayBlockingQueue.java:403)
	org.apache.hadoop.hbase.io.hfile.bucket.BucketCache.getRAMQueueEntries(BucketCache.java:1233)
	org.apache.hadoop.hbase.io.hfile.bucket.BucketCache$WriterThread.run(BucketCache.java:1012)

Potentially hanging thread: Timer for 'HBase' metrics system
	java.lang.Object.wait(Native Method)
	java.util.TimerThread.mainLoop(Timer.java:552)
	java.util.TimerThread.run(Timer.java:505)
 - Thread LEAK? -, OpenFileDescriptor=284 (was 278) - OpenFileDescriptor LEAK? -, MaxFileDescriptor=60000 (was 60000), SystemLoadAverage=877 (was 877), ProcessCount=174 (was 174), AvailableMemoryMB=7812 (was 7917)