2023-08-09 21:04:54,931 main DEBUG Apache Log4j Core 2.17.2 initializing configuration org.apache.logging.log4j.core.config.properties.PropertiesConfiguration@4e08711f
2023-08-09 21:04:54,945 main DEBUG Took 0.011655 seconds to load 1 plugins from package org.apache.hadoop.hbase.logging
2023-08-09 21:04:54,945 main DEBUG PluginManager 'Core' found 129 plugins
2023-08-09 21:04:54,946 main DEBUG PluginManager 'Level' found 0 plugins
2023-08-09 21:04:54,946 main DEBUG PluginManager 'Lookup' found 16 plugins
2023-08-09 21:04:54,948 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-08-09 21:04:54,957 main DEBUG PluginManager 'TypeConverter' found 26 plugins
2023-08-09 21:04:54,970 main DEBUG LoggerConfig$Builder(additivity="null", level="ERROR", levelAndRefs="null", name="org.apache.hadoop.metrics2.util.MBeans", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-08-09 21:04:54,971 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-08-09 21:04:54,972 main DEBUG LoggerConfig$Builder(additivity="null", level="DEBUG", levelAndRefs="null", name="org.apache.hadoop.hbase.logging.TestJul2Slf4j", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-08-09 21:04:54,972 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-08-09 21:04:54,972 main DEBUG LoggerConfig$Builder(additivity="null", level="ERROR", levelAndRefs="null", name="org.apache.zookeeper", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-08-09 21:04:54,973 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-08-09 21:04:54,974 main DEBUG LoggerConfig$Builder(additivity="null", level="WARN", levelAndRefs="null", name="org.apache.hadoop.metrics2.impl.MetricsSinkAdapter", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-08-09 21:04:54,974 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-08-09 21:04:54,975 main DEBUG LoggerConfig$Builder(additivity="null", level="ERROR", levelAndRefs="null", name="org.apache.hadoop.metrics2.impl.MetricsSystemImpl", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-08-09 21:04:54,975 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-08-09 21:04:54,976 main DEBUG LoggerConfig$Builder(additivity="false", level="WARN", levelAndRefs="null", name="org.apache.directory", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-08-09 21:04:54,976 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-08-09 21:04:54,977 main DEBUG LoggerConfig$Builder(additivity="null", level="DEBUG", levelAndRefs="null", name="org.apache.hadoop.hbase.ipc.FailedServers", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-08-09 21:04:54,977 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-08-09 21:04:54,978 main DEBUG LoggerConfig$Builder(additivity="null", level="WARN", levelAndRefs="null", name="org.apache.hadoop.metrics2.impl.MetricsConfig", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-08-09 21:04:54,978 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-08-09 21:04:54,979 main DEBUG LoggerConfig$Builder(additivity="null", level="INFO", levelAndRefs="null", name="org.apache.hadoop.hbase.ScheduledChore", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-08-09 21:04:54,979 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-08-09 21:04:54,979 main DEBUG LoggerConfig$Builder(additivity="null", level="WARN", levelAndRefs="null", name="org.apache.hadoop", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-08-09 21:04:54,980 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-08-09 21:04:54,980 main DEBUG LoggerConfig$Builder(additivity="null", level="DEBUG", levelAndRefs="null", name="org.apache.hadoop.hbase.regionserver.RSRpcServices", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-08-09 21:04:54,980 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-08-09 21:04:54,981 main DEBUG LoggerConfig$Builder(additivity="null", level="DEBUG", levelAndRefs="null", name="org.apache.hadoop.hbase", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-08-09 21:04:54,981 main DEBUG Building Plugin[name=logger, class=org.apache.logging.log4j.core.config.LoggerConfig].
2023-08-09 21:04:54,982 main DEBUG LoggerConfig$Builder(additivity="null", level="DEBUG", levelAndRefs="null", name="org.apache.hbase.thirdparty.io.netty.channel", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-08-09 21:04:54,982 main DEBUG Building Plugin[name=root, class=org.apache.logging.log4j.core.config.LoggerConfig$RootLogger].
2023-08-09 21:04:54,985 main DEBUG LoggerConfig$RootLogger$Builder(additivity="null", level="null", levelAndRefs="INFO,Console", includeLocation="null", ={}, ={}, Configuration(PropertiesConfig), Filter=null)
2023-08-09 21:04:54,986 main DEBUG Building Plugin[name=loggers, class=org.apache.logging.log4j.core.config.LoggersPlugin].
2023-08-09 21:04:54,988 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})
2023-08-09 21:04:54,988 main DEBUG Building Plugin[name=layout, class=org.apache.logging.log4j.core.layout.PatternLayout].
2023-08-09 21:04:54,989 main DEBUG PatternLayout$Builder(pattern="%d{ISO8601} %-5p [%t%notEmpty{ %X}] %C{2}(%L): %m%n", PatternSelector=null, Configuration(PropertiesConfig), Replace=null, charset="null", alwaysWriteExceptions="null", disableAnsi="null", noConsoleNoAnsi="null", header="null", footer="null")
2023-08-09 21:04:54,990 main DEBUG PluginManager 'Converter' found 47 plugins
2023-08-09 21:04:55,002 main DEBUG Building Plugin[name=appender, class=org.apache.hadoop.hbase.logging.HBaseTestAppender].
2023-08-09 21:04:55,005 main DEBUG HBaseTestAppender$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, ={})
2023-08-09 21:04:55,007 main DEBUG Starting HBaseTestOutputStreamManager SYSTEM_ERR
2023-08-09 21:04:55,007 main DEBUG Building Plugin[name=appenders, class=org.apache.logging.log4j.core.config.AppendersPlugin].
2023-08-09 21:04:55,008 main DEBUG createAppenders(={Console})
2023-08-09 21:04:55,012 main DEBUG Configuration org.apache.logging.log4j.core.config.properties.PropertiesConfiguration@4e08711f initialized
2023-08-09 21:04:55,012 main DEBUG Starting configuration org.apache.logging.log4j.core.config.properties.PropertiesConfiguration@4e08711f
2023-08-09 21:04:55,012 main DEBUG Started configuration org.apache.logging.log4j.core.config.properties.PropertiesConfiguration@4e08711f OK.
2023-08-09 21:04:55,013 main DEBUG Shutting down OutputStreamManager SYSTEM_OUT.false.false-1
2023-08-09 21:04:55,014 main DEBUG OutputStream closed
2023-08-09 21:04:55,014 main DEBUG Shut down OutputStreamManager SYSTEM_OUT.false.false-1, all resources released: true
2023-08-09 21:04:55,014 main DEBUG Appender DefaultConsole-1 stopped with status true
2023-08-09 21:04:55,014 main DEBUG Stopped org.apache.logging.log4j.core.config.DefaultConfiguration@74e52303 OK
2023-08-09 21:04:55,062 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586
2023-08-09 21:04:55,063 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=StatusLogger
2023-08-09 21:04:55,064 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=ContextSelector
2023-08-09 21:04:55,065 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=
2023-08-09 21:04:55,066 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.directory
2023-08-09 21:04:55,066 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.hadoop.metrics2.impl.MetricsSinkAdapter
2023-08-09 21:04:55,067 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.zookeeper
2023-08-09 21:04:55,067 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.hadoop.hbase.logging.TestJul2Slf4j
2023-08-09 21:04:55,067 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.hadoop.metrics2.impl.MetricsSystemImpl
2023-08-09 21:04:55,067 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.hadoop.metrics2.util.MBeans
2023-08-09 21:04:55,068 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.hadoop.hbase
2023-08-09 21:04:55,068 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.hadoop
2023-08-09 21:04:55,068 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.hadoop.hbase.ipc.FailedServers
2023-08-09 21:04:55,069 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.hadoop.hbase.regionserver.RSRpcServices
2023-08-09 21:04:55,069 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.hadoop.metrics2.impl.MetricsConfig
2023-08-09 21:04:55,069 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.hbase.thirdparty.io.netty.channel
2023-08-09 21:04:55,069 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Loggers,name=org.apache.hadoop.hbase.ScheduledChore
2023-08-09 21:04:55,070 main DEBUG Registering MBean org.apache.logging.log4j2:type=1b6d3586,component=Appenders,name=Console
2023-08-09 21:04:55,073 main DEBUG org.apache.logging.log4j.core.util.SystemClock does not support precise timestamps.
2023-08-09 21:04:55,073 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
2023-08-09 21:04:55,073 main DEBUG Shutdown hook enabled. Registering a new one.
2023-08-09 21:04:55,074 main DEBUG LoggerContext[name=1b6d3586, org.apache.logging.log4j.core.LoggerContext@7133da86] started OK.
2023-08-09T21:04:55,090 INFO  [main {}] hbase.HBaseClassTestRule(94): Test class org.apache.hadoop.hbase.io.hfile.bucket.TestPrefetchPersistence timeout: 13 mins
2023-08-09 21:04:55,093 main DEBUG AsyncLogger.ThreadNameStrategy=UNCACHED (user specified null, default is UNCACHED)
2023-08-09 21:04:55,093 main DEBUG org.apache.logging.log4j.core.util.SystemClock does not support precise timestamps.
2023-08-09T21:04:55,327 DEBUG [main {}] hbase.HBaseTestingUtility(348): Setting hbase.rootdir to /home/jenkins/jenkins-home/workspace/HBase-Flaky-Tests_branch-2/hbase-server/target/test-data/b473f17f-c4fc-43e2-dfca-008c5faf0074
2023-08-09T21:04:55,359 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=163, ProcessCount=168, AvailableMemoryMB=1080
2023-08-09T21:04:55,448 WARN  [Time-limited test {}] util.NativeCodeLoader(62): Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
2023-08-09T21:04:55,799 DEBUG [Time-limited test {}] fs.HFileSystem(308): The file system is not a DistributedFileSystem. Skipping on block location reordering
2023-08-09T21:04:55,800 DEBUG [Time-limited test {}] fs.HFileSystem(308): The file system is not a DistributedFileSystem. Skipping on block location reordering
2023-08-09T21:04:55,814 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/b473f17f-c4fc-43e2-dfca-008c5faf0074/bucket.cache
2023-08-09T21:04:55,816 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
2023-08-09T21:04:55,826 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))
2023-08-09T21:04:55,826 INFO  [Time-limited test {}] bucket.BucketCachePersister(35): BucketCachePersister started with interval: 1000
2023-08-09T21:04:55,828 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/b473f17f-c4fc-43e2-dfca-008c5faf0074/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/b473f17f-c4fc-43e2-dfca-008c5faf0074/bucket.persistence, bucketAllocator=org.apache.hadoop.hbase.io.hfile.bucket.BucketAllocator
2023-08-09T21:04:55,845 DEBUG [Time-limited test {}] util.ClassSize(228): Using Unsafe to estimate memory layout
2023-08-09T21:04:55,950 WARN  [Time-limited test {}] impl.MetricsConfig(128): Cannot locate configuration: tried hadoop-metrics2-hbase.properties,hadoop-metrics2.properties
2023-08-09T21:04:55,983 INFO  [Time-limited test {}] metrics.MetricRegistriesLoader(60): Loaded MetricRegistries class org.apache.hadoop.hbase.metrics.impl.MetricRegistriesImpl
2023-08-09T21:04:56,002 DEBUG [Time-limited test {}] hfile.HFile$WriterFactory(307): Unable to set drop behind on afd853d2ce024a898b0a9b1be65cf0e4
2023-08-09T21:04:56,066 DEBUG [Time-limited test {}] hfile.HFileWriterImpl(813): Len of the biggest cell in /home/jenkins/jenkins-home/workspace/HBase-Flaky-Tests_branch-2/hbase-server/target/test-data/b473f17f-c4fc-43e2-dfca-008c5faf0074/TestPrefetch0/afd853d2ce024a898b0a9b1be65cf0e4 is 252, key is aaaaaaaaaaaaaaaaaaaaaaaabaaaabaa/7:MtPkQoSUJ6gkViny/-22526000462050552/Put/seqid=0
2023-08-09T21:04:56,114 DEBUG [Time-limited test {}] hfile.HFile$WriterFactory(307): Unable to set drop behind on 5257e35f720940efb764b026d3d614df
2023-08-09T21:04:56,128 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/b473f17f-c4fc-43e2-dfca-008c5faf0074/TestPrefetch1/5257e35f720940efb764b026d3d614df is 270, key is aaaaaaaaaaaaaaaaaaaaaaaaaabbaabb/iFtzh5zcq:hgkJ/-9017202700673884555/DeleteFamily/seqid=0
2023-08-09T21:04:56,194 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/b473f17f-c4fc-43e2-dfca-008c5faf0074/TestPrefetch0/afd853d2ce024a898b0a9b1be65cf0e4, delay=983 ms
2023-08-09T21:04:57,204 DEBUG [hfile-prefetch-1691615096196 {}] hfile.PrefetchExecutor(126): Prefetch completed for afd853d2ce024a898b0a9b1be65cf0e4
2023-08-09T21:04:57,244 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/b473f17f-c4fc-43e2-dfca-008c5faf0074/TestPrefetch1/5257e35f720940efb764b026d3d614df, delay=907 ms
2023-08-09T21:04:57,827 DEBUG [bucket-cache-persister {}] bucket.BucketCachePersister(43): Cache is inconsistent, persisting to disk
2023-08-09T21:04:58,161 DEBUG [hfile-prefetch-1691615096196 {}] hfile.PrefetchExecutor(126): Prefetch completed for 5257e35f720940efb764b026d3d614df
2023-08-09T21:04:58,280 INFO  [Time-limited test-BucketCacheWriter-1 {}] bucket.BucketCache$WriterThread(1026): Time-limited test-BucketCacheWriter-1 exiting, cacheEnabled=false
2023-08-09T21:04:58,313 INFO  [Time-limited test-BucketCacheWriter-0 {}] bucket.BucketCache$WriterThread(1026): Time-limited test-BucketCacheWriter-0 exiting, cacheEnabled=false
2023-08-09T21:04:58,313 INFO  [Time-limited test-BucketCacheWriter-2 {}] bucket.BucketCache$WriterThread(1026): Time-limited test-BucketCacheWriter-2 exiting, cacheEnabled=false
2023-08-09T21:04:58,314 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/b473f17f-c4fc-43e2-dfca-008c5faf0074/bucket.persistence
2023-08-09T21:04:58,314 WARN  [bucket-cache-persister {}] bucket.BucketCachePersister(50): InterruptedException in BucketCachePersister sleep interrupted 
2023-08-09T21:04:58,318 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/b473f17f-c4fc-43e2-dfca-008c5faf0074/bucket.cache
2023-08-09T21:04:58,318 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
2023-08-09T21:04:58,318 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))
2023-08-09T21:04:58,319 INFO  [Time-limited test {}] bucket.BucketCachePersister(35): BucketCachePersister started with interval: 1000
2023-08-09T21:04:58,319 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/b473f17f-c4fc-43e2-dfca-008c5faf0074/prefetch.persistence
2023-08-09T21:04:58,334 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))
2023-08-09T21:04:58,335 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/b473f17f-c4fc-43e2-dfca-008c5faf0074/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/b473f17f-c4fc-43e2-dfca-008c5faf0074/bucket.persistence, bucketAllocator=org.apache.hadoop.hbase.io.hfile.bucket.BucketAllocator
2023-08-09T21:04:58,336 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/b473f17f-c4fc-43e2-dfca-008c5faf0074/TestPrefetch0/afd853d2ce024a898b0a9b1be65cf0e4
2023-08-09T21:04:58,338 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/b473f17f-c4fc-43e2-dfca-008c5faf0074/TestPrefetch1/5257e35f720940efb764b026d3d614df
2023-08-09T21:04:58,339 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/b473f17f-c4fc-43e2-dfca-008c5faf0074/TestPrefetch1/5257e35f720940efb764b026d3d614df
2023-08-09T21:04:58,340 DEBUG [Time-limited test {}] hfile.PrefetchExecutor(137): Removing filename from the prefetched persistence list: 5257e35f720940efb764b026d3d614df
2023-08-09T21:04:58,363 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: 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)

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: 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: 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-1691615097244
	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: hfile-prefetch-1691615096196
	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: 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: bucket-cache-persister
	java.lang.Thread.sleep(Native Method)
	org.apache.hadoop.hbase.io.hfile.bucket.BucketCachePersister.run(BucketCachePersister.java:41)

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)
 - Thread LEAK? -, OpenFileDescriptor=284 (was 278) - OpenFileDescriptor LEAK? -, MaxFileDescriptor=60000 (was 60000), SystemLoadAverage=163 (was 163), ProcessCount=168 (was 168), AvailableMemoryMB=978 (was 1080)