http://caoyaojun1988-163-com.iteye.com/blog/1969853 JDK7中符号引用(Symbols)转移到了native heap;字面量(interned strings)转移到了Java heap;类的静态变量(class statics)转移到了Java heap。但是永久在还存在于JDK7中,直到JDK8,永久代才完全消失,转而使用元空间
# The maximum amount of heap to use, in MB. Default is 1000.exportHADOOP_HEAPSIZE="1000" 1. 2. 在这里,你可以修改HADOOP_HEAPSIZE的值来调整Java堆的大小。单位是MB,默认值是1000MB。 除了通过修改配置文件来调整Java Heap Size,你还可以在运行Datanode进程时通过命令行参数来指定Java堆的大小。例如: ...
DescriptionBlock size of locally cached files stored in the cloud Typeint Default20480 EffectiveAfter restarting system remote_tsfile_cache_max_disk_usage_in_mb Nameremote_tsfile_cache_max_disk_usage_in_mb DescriptionMaximum Disk Occupancy Size for Cloud Storage Local Cache ...
yarn.scheduler.maximum-allocation-mb - 16GB mapreduce.map.memory.mb - 4GB mapreduce.reduce.memory.mb - 4GB mapreduce.map.java.opts.max.heap - 3GB mapreduce.reduce.java.opts.max.heap - 3GB namenode_java_heapsize - 6GB secondarynamenode_java_heapsize - 6GB dfs_datanode_max_locked_memory ...
If anyone stumbles upon this error - the solution is increasing the maximum heap size of the datanode This - 205044
_OPTS="-XX:MaxDirectMemorySize=128m ${HADOOP_JVM_SECURITY_OPTS} ${HADOOP_JVM_GC_OPT}"export HBASE_HEAPSIZE="2048"export HBASE_MANAGES_ZK=false#export YARN_RESOURCEMANAGER_HEAPSIZE=#export YARN_NODEMANAGER_HEAPSIZE=#export YARN_PROXYSERVER_HEAPSIZE=#export HADOOP_JOB_HISTORYSERVER_HEAPSIZE=...
DTS_W_MAXIMUMERRORCOUNTREACHED 欄位 DTS_W_MSMQTASK_USE_WEAK_ENCRYPTION 欄位 DTS_W_NOLINEAGEVALIDATION 欄位 DTS_W_NOMATCHOUTPUTGETSNOROWS 欄位 DTS_W_NOPARENTVARIABLES 欄位 DTS_W_NOPIPELINEDATATYPEMAPPINGAVAILABLE 欄位 DTS_W_NORECORDSFOUNDINTABLE 欄位 DTS_W_NOREDIRECTWITHATTACHEDERROROUTPUTS 欄...
DTS_W_MAXIMUMERRORCOUNTREACHED 欄位 DTS_W_MSMQTASK_USE_WEAK_ENCRYPTION 欄位 DTS_W_NOLINEAGEVALIDATION 欄位 DTS_W_NOMATCHOUTPUTGETSNOROWS 欄位 DTS_W_NOPARENTVARIABLES 欄位 DTS_W_NOPIPELINEDATATYPEMAPPINGAVAILABLE 欄位 DTS_W_NORECORDSFOUNDINTABLE 欄位 DTS_W_NOREDIRECTWITHATTACHEDERROROUTPUTS 欄...
datanode maximum java heap size”在hadoop-env.sh（同样是ambari中的某个字段，只需尝试搜索heap），...
datanode maximum java heap size”在hadoop-env.sh（同样是ambari中的某个字段，只需尝试搜索heap），...