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https://issues.apache.org/jira/browse/HBASE-20351?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Mike Drob updated HBASE-20351:
------------------------------
    Component/s:     (was: pain-in-the-ass)
                 documentation

> Shell dumps netty properties on startup
> ---------------------------------------
>
>                 Key: HBASE-20351
>                 URL: https://issues.apache.org/jira/browse/HBASE-20351
>             Project: HBase
>          Issue Type: Bug
>          Components: documentation, shell
>            Reporter: stack
>            Assignee: stack
>            Priority: Major
>             Fix For: 2.0.0
>
>         Attachments: HBASE-20351.master.001.patch
>
>
> {code}
> stack@ve0524:~$ ./hbase/bin/hbase --config conf_hbase shell
> 2018-04-04 19:58:02,187 DEBUG [main] logging.InternalLoggerFactory: Using 
> SLF4J as the default logging framework
> 2018-04-04 19:58:02,191 DEBUG [main] util.ResourceLeakDetector: 
> -Dorg.apache.hbase.thirdparty.io.netty.leakDetection.level: simple
> 2018-04-04 19:58:02,192 DEBUG [main] util.ResourceLeakDetector: 
> -Dorg.apache.hbase.thirdparty.io.netty.leakDetection.targetRecords: 4
> 2018-04-04 19:58:02,214 DEBUG [main] internal.PlatformDependent0: 
> -Dio.netty.noUnsafe: false
> 2018-04-04 19:58:02,215 DEBUG [main] internal.PlatformDependent0: Java 
> version: 8
> 2018-04-04 19:58:02,216 DEBUG [main] internal.PlatformDependent0: 
> sun.misc.Unsafe.theUnsafe: available
> 2018-04-04 19:58:02,216 DEBUG [main] internal.PlatformDependent0: 
> sun.misc.Unsafe.copyMemory: available
> 2018-04-04 19:58:02,217 DEBUG [main] internal.PlatformDependent0: 
> java.nio.Buffer.address: available
> 2018-04-04 19:58:02,217 DEBUG [main] internal.PlatformDependent0: direct 
> buffer constructor: available
> 2018-04-04 19:58:02,218 DEBUG [main] internal.PlatformDependent0: 
> java.nio.Bits.unaligned: available, true
> 2018-04-04 19:58:02,218 DEBUG [main] internal.PlatformDependent0: 
> jdk.internal.misc.Unsafe.allocateUninitializedArray(int): unavailable prior 
> to Java9
> 2018-04-04 19:58:02,218 DEBUG [main] internal.PlatformDependent0: 
> java.nio.DirectByteBuffer.<init>(long, int): available
> 2018-04-04 19:58:02,218 DEBUG [main] internal.PlatformDependent: 
> sun.misc.Unsafe: available
> 2018-04-04 19:58:02,218 DEBUG [main] internal.PlatformDependent: 
> -Dio.netty.tmpdir: /tmp (java.io.tmpdir)
> 2018-04-04 19:58:02,218 DEBUG [main] internal.PlatformDependent: 
> -Dio.netty.bitMode: 64 (sun.arch.data.model)
> 2018-04-04 19:58:02,219 DEBUG [main] internal.PlatformDependent: 
> -Dio.netty.noPreferDirect: false
> 2018-04-04 19:58:02,219 DEBUG [main] internal.PlatformDependent: 
> -Dio.netty.maxDirectMemory: 1073741824 bytes
> 2018-04-04 19:58:02,219 DEBUG [main] internal.PlatformDependent: 
> -Dio.netty.uninitializedArrayAllocationThreshold: -1
> 2018-04-04 19:58:02,220 DEBUG [main] internal.CleanerJava6: 
> java.nio.ByteBuffer.cleaner(): available
> 2018-04-04 19:58:02,220 DEBUG [main] util.ResourceLeakDetectorFactory: Loaded 
> default ResourceLeakDetector: 
> org.apache.hbase.thirdparty.io.netty.util.ResourceLeakDetector@7dbae40
> 2018-04-04 19:58:02,229 DEBUG [main] internal.PlatformDependent: 
> org.jctools-core.MpscChunkedArrayQueue: available
> 2018-04-04 19:58:02,260 DEBUG [main] channel.MultithreadEventLoopGroup: 
> -Dio.netty.eventLoopThreads: 96
> 2018-04-04 19:58:02,282 DEBUG [main] nio.NioEventLoop: 
> -Dio.netty.noKeySetOptimization: false
> 2018-04-04 19:58:02,282 DEBUG [main] nio.NioEventLoop: 
> -Dio.netty.selectorAutoRebuildThreshold: 512
> HBase Shell
> Use "help" to get list of supported commands.
> Use "exit" to quit this interactive shell.
> Version 2.0.0, r0db342d312784a6663b406fdb0f7b3b3c1fa928d, Mon Apr  2 22:54:56 
> PDT 2018
> Took 0.0028 seconds
> hbase(main):001:0>
> {code}
> Does it each time I run a command
> {code}
> hbase(main):001:0> describe 'ycsb'
> 2018-04-04 19:59:00,084 DEBUG [main] buffer.AbstractByteBuf: 
> -Dorg.apache.hbase.thirdparty.io.netty.buffer.bytebuf.checkAccessible: true
> 2018-04-04 19:59:00,084 DEBUG [main] util.ResourceLeakDetectorFactory: Loaded 
> default ResourceLeakDetector: 
> org.apache.hbase.thirdparty.io.netty.util.ResourceLeakDetector@66ab924
> 2018-04-04 19:59:00,121 DEBUG [main] channel.DefaultChannelId: 
> -Dio.netty.processId: 697 (auto-detected)
> 2018-04-04 19:59:00,123 DEBUG [main] util.NetUtil: 
> -Djava.net.preferIPv4Stack: true
> 2018-04-04 19:59:00,123 DEBUG [main] util.NetUtil: 
> -Djava.net.preferIPv6Addresses: false
> 2018-04-04 19:59:00,124 DEBUG [main] util.NetUtil: Loopback interface: lo 
> (lo, 127.0.0.1)
> 2018-04-04 19:59:00,125 DEBUG [main] util.NetUtil: 
> /proc/sys/net/core/somaxconn: 128
> 2018-04-04 19:59:00,125 DEBUG [main] channel.DefaultChannelId: 
> -Dio.netty.machineId: 00:1e:67:ff:fe:c5:54:b4 (auto-detected)
> 2018-04-04 19:59:00,130 DEBUG [main] internal.InternalThreadLocalMap: 
> -Dio.netty.threadLocalMap.stringBuilder.initialSize: 1024
> 2018-04-04 19:59:00,131 DEBUG [main] internal.InternalThreadLocalMap: 
> -Dio.netty.threadLocalMap.stringBuilder.maxSize: 4096
> 2018-04-04 19:59:00,151 DEBUG [main] buffer.PooledByteBufAllocator: 
> -Dio.netty.allocator.numHeapArenas: 82
> 2018-04-04 19:59:00,151 DEBUG [main] buffer.PooledByteBufAllocator: 
> -Dio.netty.allocator.numDirectArenas: 10
> 2018-04-04 19:59:00,151 DEBUG [main] buffer.PooledByteBufAllocator: 
> -Dio.netty.allocator.pageSize: 8192
> 2018-04-04 19:59:00,151 DEBUG [main] buffer.PooledByteBufAllocator: 
> -Dio.netty.allocator.maxOrder: 11
> 2018-04-04 19:59:00,151 DEBUG [main] buffer.PooledByteBufAllocator: 
> -Dio.netty.allocator.chunkSize: 16777216
> 2018-04-04 19:59:00,152 DEBUG [main] buffer.PooledByteBufAllocator: 
> -Dio.netty.allocator.tinyCacheSize: 512
> 2018-04-04 19:59:00,152 DEBUG [main] buffer.PooledByteBufAllocator: 
> -Dio.netty.allocator.smallCacheSize: 256
> 2018-04-04 19:59:00,152 DEBUG [main] buffer.PooledByteBufAllocator: 
> -Dio.netty.allocator.normalCacheSize: 64
> 2018-04-04 19:59:00,152 DEBUG [main] buffer.PooledByteBufAllocator: 
> -Dio.netty.allocator.maxCachedBufferCapacity: 32768
> 2018-04-04 19:59:00,152 DEBUG [main] buffer.PooledByteBufAllocator: 
> -Dio.netty.allocator.cacheTrimInterval: 8192
> 2018-04-04 19:59:00,152 DEBUG [main] buffer.PooledByteBufAllocator: 
> -Dio.netty.allocator.useCacheForAllThreads: true
> 2018-04-04 19:59:00,161 DEBUG [main] buffer.ByteBufUtil: 
> -Dio.netty.allocator.type: pooled
> 2018-04-04 19:59:00,161 DEBUG [main] buffer.ByteBufUtil: 
> -Dio.netty.threadLocalDirectBufferSize: 65536
> 2018-04-04 19:59:00,161 DEBUG [main] buffer.ByteBufUtil: 
> -Dio.netty.maxThreadLocalCharBufferSize: 16384
> 2018-04-04 19:59:00,189 DEBUG [Default-IPC-NioEventLoopGroup-1-1] 
> util.Recycler: -Dio.netty.recycler.maxCapacityPerThread: 32768
> 2018-04-04 19:59:00,190 DEBUG [Default-IPC-NioEventLoopGroup-1-1] 
> util.Recycler: -Dio.netty.recycler.maxSharedCapacityFactor: 2
> 2018-04-04 19:59:00,190 DEBUG [Default-IPC-NioEventLoopGroup-1-1] 
> util.Recycler: -Dio.netty.recycler.linkCapacity: 16
> 2018-04-04 19:59:00,190 DEBUG [Default-IPC-NioEventLoopGroup-1-1] 
> util.Recycler: -Dio.netty.recycler.ratio: 8
> Table ycsb is ENABLED
> ycsb
> COLUMN FAMILIES DESCRIPTION
> {NAME => 'family', VERSIONS => '1', EVICT_BLOCKS_ON_CLOSE => 'false', 
> NEW_VERSION_BEHAVIOR => 'false', KEEP_DELETED_CELLS => 'FALSE', 
> CACHE_DATA_ON_WRITE => 'false', DATA_BLOCK_ENCODING => 'NONE', TTL => 
> 'FOREVER', MIN_VERSIONS => '0', REPLICATION_SCOPE => '0', BLOOMFILTER => 
> 'ROW', CACHE_INDEX_ON_WRITE =>
> 'false', IN_MEMORY => 'false', CACHE_BLOOMS_ON_WRITE => 'false', 
> PREFETCH_BLOCKS_ON_OPEN => 'false', COMPRESSION => 'NONE', BLOCKCACHE => 
> 'true', BLOCKSIZE => '65536', METADATA => {'IN_MEMORY_COMPACTION' => 'NONE'}}
> 1 row(s)
> Took 0.6422 seconds
> hbase(main):002:0>
> {code}



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