hbajmx常⽤监控指标
master只监控了⼀个指标，就是挂了的regionrver数，下⾯主要监控regionrver的指标：
监控指标范围指标含义
OpenFileDescriptorCount Regionrver本机当前机器打开⽂件数
FreePhysicalMemorySize Regionrver本机空虚物理内存⼤⼩
AvailableProcessors Regionrver本机可⽤cpu个数
Region前缀--storeCount单个region Store个数
Region前缀--storeFileCount单个region Storefile个数
Region前缀--memStoreSize单个region Memstore⼤⼩
如何面对失败
gdsRegion前缀--storeFileSize单个region Storefile⼤⼩Region前缀--compactionsCompletedCount单个region合并完成次数
Region前缀--numBytesCompactedCount单个region合并⽂件总⼤⼩
Region前缀-- numFilesCompactedCount单个region合并完成⽂件个数
totalRequestCount Regionrver总请求数
readRequestCount Regionrver读请求数
writeRequestCount Regionrver写请求数
compactedCellsCount Regionrver合并cell个数
majorCompactedCellsCount Regionrver⼤合并cell个数
flushedCellsSize Regionrver flush到磁盘的⼤⼩
succeedblockedRequestCount Regionrver因memstore⼤于阈值⽽引发flush的次数
splitRequestCount Regionrver region分裂请求次数
splitSuccessCounnt Regionrver region分裂成功次数
slowGetCount Regionrver请求完成时间超过1000ms的次数numOpenConnections Regionrver该regionrver打开的连接数
numActiveHandler Regionrver rpc handler数
the的音标numActiveHandler Regionrver rpc handler数
receivedBytes Regionrver收到数据量
dldlntBytes Regionrver发出数据量
HeapMemoryUsage
Regionrver堆内存使⽤量
--->>>ud
digaSyncTime_mean Regionrver WAL写hdfs的平均时间
regionCount Regionrver Regionrver管理region数量regardlessof
memStoreSize Regionrver Regionrver管理的总memstoresize
storeFileSize Regionrver该Regionrver管理的storefile⼤⼩
staticIndexSize Regionrver该regionrver所管理的表索引⼤⼩
酒店管理学院排名storeFileCount Regionrver该regionrver所管理的storefile个数
hlogFileSize Regionrver WAL⽂件⼤⼩
hlogFileCount Regionrver WAL⽂件个数air curtain
storeCount Regionrver该regionrver所管理的store个数
Name: java.lang:type=MemoryPool,name=Par Eden Space
Regionrver Eden区使⽤空间⼤⼩CollectionUsage—>>ud
Name: java.lang:type=MemoryPool,name=CMS Old Gen
辅导机构
Regionrver⽼年代内存⼤⼩CollectionUsage—>>ud
Name: java.lang:type=MemoryPool,name=Par Survivor Space
Regionrver Survivor内存⼤⼩CollectionUsageà> ud
GcTimeMillis Regionrver GC总时间
GcTimeMillisParNew Regionrver ParNew GC时间
GcCount Regionrver GC总次数GcCountConcurrentMarkSweep Regionrver ConcurrentMarkSweep总次数
GcTimeMillisConcurrentMarkSweep Regionrver ConcurrentMarkSweep GC时间
ThreadsBlocked Regionrver Block线程数
ThreadsWaiting Regionrver等待线程数
注：Region前缀表⽰namespaceName-tableName-regionName-，例
如，Namespace_default_table_tablename_region_xxx_metric_incrementCount表⽰该region的incrementCount这个指标。
