Dynamic Configuration

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概述

Dynamic Configuration

It is possible to change a subset of the configuration without requiring a server restart. In the HBase shell, the operations update_config and update_all_config will prompt a server or all servers to reload configuration.

Only a subset of all configurations can currently be changed in the running server. Here are those configurations:
Table 3. Configurations support dynamically change Key

hbase.ipc.server.fallback-to-simple-auth-allowed

hbase.cleaner.scan.dir.concurrent.size

hbase.regionserver.thread.compaction.large

hbase.regionserver.thread.compaction.small

hbase.regionserver.thread.split

hbase.regionserver.throughput.controller

hbase.regionserver.thread.hfilecleaner.throttle

hbase.regionserver.hfilecleaner.large.queue.size

hbase.regionserver.hfilecleaner.small.queue.size

hbase.regionserver.hfilecleaner.large.thread.count

hbase.regionserver.hfilecleaner.small.thread.count

hbase.regionserver.hfilecleaner.thread.timeout.msec

hbase.regionserver.hfilecleaner.thread.check.interval.msec

hbase.regionserver.flush.throughput.controller

hbase.hstore.compaction.max.size

hbase.hstore.compaction.max.size.offpeak

hbase.hstore.compaction.min.size

hbase.hstore.compaction.min

hbase.hstore.compaction.max

hbase.hstore.compaction.ratio

hbase.hstore.compaction.ratio.offpeak

hbase.regionserver.thread.compaction.throttle

hbase.hregion.majorcompaction

hbase.hregion.majorcompaction.jitter

hbase.hstore.min.locality.to.skip.major.compact

hbase.hstore.compaction.date.tiered.max.storefile.age.millis

hbase.hstore.compaction.date.tiered.incoming.window.min

hbase.hstore.compaction.date.tiered.window.policy.class

hbase.hstore.compaction.date.tiered.single.output.for.minor.compaction

hbase.hstore.compaction.date.tiered.window.factory.class

hbase.offpeak.start.hour

hbase.offpeak.end.hour

hbase.oldwals.cleaner.thread.size

hbase.oldwals.cleaner.thread.timeout.msec

hbase.oldwals.cleaner.thread.check.interval.msec

hbase.procedure.worker.keep.alive.time.msec

hbase.procedure.worker.add.stuck.percentage

hbase.procedure.worker.monitor.interval.msec

hbase.procedure.worker.stuck.threshold.msec

hbase.regions.slop

hbase.regions.overallSlop

hbase.balancer.tablesOnMaster

hbase.balancer.tablesOnMaster.systemTablesOnly

hbase.util.ip.to.rack.determiner

hbase.ipc.server.max.callqueue.length

hbase.ipc.server.priority.max.callqueue.length

hbase.ipc.server.callqueue.type

hbase.ipc.server.callqueue.codel.target.delay

hbase.ipc.server.callqueue.codel.interval

hbase.ipc.server.callqueue.codel.lifo.threshold

hbase.master.balancer.stochastic.maxSteps

hbase.master.balancer.stochastic.stepsPerRegion

hbase.master.balancer.stochastic.maxRunningTime

hbase.master.balancer.stochastic.runMaxSteps

hbase.master.balancer.stochastic.numRegionLoadsToRemember

hbase.master.loadbalance.bytable

hbase.master.balancer.stochastic.minCostNeedBalance

hbase.master.balancer.stochastic.localityCost

hbase.master.balancer.stochastic.rackLocalityCost

hbase.master.balancer.stochastic.readRequestCost

hbase.master.balancer.stochastic.writeRequestCost

hbase.master.balancer.stochastic.memstoreSizeCost

hbase.master.balancer.stochastic.storefileSizeCost

hbase.master.balancer.stochastic.regionReplicaHostCostKey

hbase.master.balancer.stochastic.regionReplicaRackCostKey

hbase.master.balancer.stochastic.regionCountCost

hbase.master.balancer.stochastic.primaryRegionCountCost

hbase.master.balancer.stochastic.moveCost

hbase.master.balancer.stochastic.maxMovePercent

hbase.master.balancer.stochastic.tableSkewCost

hbase.master.regions.recovery.check.interval

hbase.regions.recovery.store.file.ref.count
Upgrading

You cannot skip major versions when upgrading. If you are upgrading from version 0.98.x to 2.x, you must first go from 0.98.x to 1.2.x and then go from 1.2.x to 2.x.

Review Apache HBase Configuration, in particular Hadoop. Familiarize yourself with Support and Testing Expectations.