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class="sourceLineNo">510</span> public void toStringClassDetails(StringBuilder sb) {<a name="line.510"></a> -<span class="sourceLineNo">511</span> super.toStringClassDetails(sb);<a name="line.511"></a> -<span class="sourceLineNo">512</span> if (initialState == RegionStateTransitionState.REGION_STATE_TRANSITION_GET_ASSIGN_CANDIDATE) {<a name="line.512"></a> -<span class="sourceLineNo">513</span> sb.append(", ASSIGN");<a name="line.513"></a> -<span class="sourceLineNo">514</span> } else if (lastState == RegionStateTransitionState.REGION_STATE_TRANSITION_CONFIRM_CLOSED) {<a name="line.514"></a> -<span class="sourceLineNo">515</span> sb.append(", UNASSIGN");<a name="line.515"></a> -<span class="sourceLineNo">516</span> } else {<a name="line.516"></a> -<span class="sourceLineNo">517</span> sb.append(", REOPEN/MOVE");<a name="line.517"></a> -<span class="sourceLineNo">518</span> }<a name="line.518"></a> -<span class="sourceLineNo">519</span> }<a name="line.519"></a> -<span class="sourceLineNo">520</span><a name="line.520"></a> -<span class="sourceLineNo">521</span> private static TransitRegionStateProcedure setOwner(MasterProcedureEnv env,<a name="line.521"></a> -<span class="sourceLineNo">522</span> TransitRegionStateProcedure proc) {<a name="line.522"></a> -<span class="sourceLineNo">523</span> proc.setOwner(env.getRequestUser().getShortName());<a name="line.523"></a> -<span class="sourceLineNo">524</span> return proc;<a name="line.524"></a> -<span class="sourceLineNo">525</span> }<a name="line.525"></a> -<span class="sourceLineNo">526</span><a name="line.526"></a> -<span class="sourceLineNo">527</span> // Be careful that, when you call these 4 methods below, you need to manually attach the returned<a name="line.527"></a> -<span class="sourceLineNo">528</span> // procedure with the RegionStateNode, otherwise the procedure will quit immediately without doing<a name="line.528"></a> -<span class="sourceLineNo">529</span> // anything. See the comment in executeFromState to find out why we need this assumption.<a name="line.529"></a> -<span class="sourceLineNo">530</span> public static TransitRegionStateProcedure assign(MasterProcedureEnv env, RegionInfo region,<a name="line.530"></a> -<span class="sourceLineNo">531</span> @Nullable ServerName targetServer) {<a name="line.531"></a> -<span class="sourceLineNo">532</span> return setOwner(env,<a name="line.532"></a> -<span class="sourceLineNo">533</span> new TransitRegionStateProcedure(env, region, targetServer, false,<a name="line.533"></a> -<span class="sourceLineNo">534</span> RegionStateTransitionState.REGION_STATE_TRANSITION_GET_ASSIGN_CANDIDATE,<a name="line.534"></a> -<span class="sourceLineNo">535</span> RegionStateTransitionState.REGION_STATE_TRANSITION_CONFIRM_OPENED));<a name="line.535"></a> -<span class="sourceLineNo">536</span> }<a name="line.536"></a> -<span class="sourceLineNo">537</span><a name="line.537"></a> -<span class="sourceLineNo">538</span> public static TransitRegionStateProcedure unassign(MasterProcedureEnv env, RegionInfo region) {<a name="line.538"></a> -<span class="sourceLineNo">539</span> return setOwner(env,<a name="line.539"></a> -<span class="sourceLineNo">540</span> new TransitRegionStateProcedure(env, region, null, false,<a name="line.540"></a> -<span class="sourceLineNo">541</span> RegionStateTransitionState.REGION_STATE_TRANSITION_CLOSE,<a name="line.541"></a> -<span class="sourceLineNo">542</span> RegionStateTransitionState.REGION_STATE_TRANSITION_CONFIRM_CLOSED));<a name="line.542"></a> -<span class="sourceLineNo">543</span> }<a name="line.543"></a> -<span class="sourceLineNo">544</span><a name="line.544"></a> -<span class="sourceLineNo">545</span> public static TransitRegionStateProcedure reopen(MasterProcedureEnv env, RegionInfo region) {<a name="line.545"></a> -<span class="sourceLineNo">546</span> return setOwner(env,<a name="line.546"></a> -<span class="sourceLineNo">547</span> new TransitRegionStateProcedure(env, region, null, false,<a name="line.547"></a> -<span class="sourceLineNo">548</span> RegionStateTransitionState.REGION_STATE_TRANSITION_CLOSE,<a name="line.548"></a> -<span class="sourceLineNo">549</span> RegionStateTransitionState.REGION_STATE_TRANSITION_CONFIRM_OPENED));<a name="line.549"></a> -<span class="sourceLineNo">550</span> }<a name="line.550"></a> -<span class="sourceLineNo">551</span><a name="line.551"></a> -<span class="sourceLineNo">552</span> public static TransitRegionStateProcedure move(MasterProcedureEnv env, RegionInfo region,<a name="line.552"></a> -<span class="sourceLineNo">553</span> @Nullable ServerName targetServer) {<a name="line.553"></a> -<span class="sourceLineNo">554</span> return setOwner(env,<a name="line.554"></a> -<span class="sourceLineNo">555</span> new TransitRegionStateProcedure(env, region, targetServer, targetServer == null,<a name="line.555"></a> -<span class="sourceLineNo">556</span> RegionStateTransitionState.REGION_STATE_TRANSITION_CLOSE,<a name="line.556"></a> -<span class="sourceLineNo">557</span> RegionStateTransitionState.REGION_STATE_TRANSITION_CONFIRM_OPENED));<a name="line.557"></a> -<span class="sourceLineNo">558</span> }<a name="line.558"></a> -<span class="sourceLineNo">559</span>}<a name="line.559"></a> +<span class="sourceLineNo">332</span> skipPersistence();<a name="line.332"></a> +<span class="sourceLineNo">333</span> throw new ProcedureSuspendedException();<a name="line.333"></a> +<span class="sourceLineNo">334</span> }<a name="line.334"></a> +<span class="sourceLineNo">335</span> }<a name="line.335"></a> +<span class="sourceLineNo">336</span><a name="line.336"></a> +<span class="sourceLineNo">337</span> /**<a name="line.337"></a> +<span class="sourceLineNo">338</span> * At end of timeout, wake ourselves up so we run again.<a name="line.338"></a> +<span class="sourceLineNo">339</span> */<a name="line.339"></a> +<span class="sourceLineNo">340</span> @Override<a name="line.340"></a> +<span class="sourceLineNo">341</span> protected synchronized boolean setTimeoutFailure(MasterProcedureEnv env) {<a name="line.341"></a> +<span class="sourceLineNo">342</span> setState(ProcedureProtos.ProcedureState.RUNNABLE);<a name="line.342"></a> +<span class="sourceLineNo">343</span> env.getProcedureScheduler().addFront(this);<a name="line.343"></a> +<span class="sourceLineNo">344</span> return false; // 'false' means that this procedure handled the timeout<a name="line.344"></a> +<span class="sourceLineNo">345</span> }<a name="line.345"></a> +<span class="sourceLineNo">346</span><a name="line.346"></a> +<span class="sourceLineNo">347</span> private void reportTransitionOpened(MasterProcedureEnv env, RegionStateNode regionNode,<a name="line.347"></a> +<span class="sourceLineNo">348</span> ServerName serverName, TransitionCode code, long openSeqNum) throws IOException {<a name="line.348"></a> +<span class="sourceLineNo">349</span> switch (code) {<a name="line.349"></a> +<span class="sourceLineNo">350</span> case OPENED:<a name="line.350"></a> +<span class="sourceLineNo">351</span> if (openSeqNum < 0) {<a name="line.351"></a> +<span class="sourceLineNo">352</span> throw new UnexpectedStateException("Received report unexpected " + code +<a name="line.352"></a> +<span class="sourceLineNo">353</span> " transition openSeqNum=" + openSeqNum + ", " + regionNode);<a name="line.353"></a> +<span class="sourceLineNo">354</span> }<a name="line.354"></a> +<span class="sourceLineNo">355</span> if (openSeqNum <= regionNode.getOpenSeqNum()) {<a name="line.355"></a> +<span class="sourceLineNo">356</span> if (openSeqNum != 0) {<a name="line.356"></a> +<span class="sourceLineNo">357</span> LOG.warn("Skip update of openSeqNum for {} with {} because the currentSeqNum={}",<a name="line.357"></a> +<span class="sourceLineNo">358</span> regionNode, openSeqNum, regionNode.getOpenSeqNum());<a name="line.358"></a> +<span class="sourceLineNo">359</span> }<a name="line.359"></a> +<span class="sourceLineNo">360</span> } else {<a name="line.360"></a> +<span class="sourceLineNo">361</span> regionNode.setOpenSeqNum(openSeqNum);<a name="line.361"></a> +<span class="sourceLineNo">362</span> }<a name="line.362"></a> +<span class="sourceLineNo">363</span> env.getAssignmentManager().regionOpened(regionNode);<a name="line.363"></a> +<span class="sourceLineNo">364</span> if (lastState == RegionStateTransitionState.REGION_STATE_TRANSITION_CONFIRM_OPENED) {<a name="line.364"></a> +<span class="sourceLineNo">365</span> // we are done<a name="line.365"></a> +<span class="sourceLineNo">366</span> regionNode.unsetProcedure(this);<a name="line.366"></a> +<span class="sourceLineNo">367</span> }<a name="line.367"></a> +<span class="sourceLineNo">368</span> regionNode.getProcedureEvent().wake(env.getProcedureScheduler());<a name="line.368"></a> +<span class="sourceLineNo">369</span> break;<a name="line.369"></a> +<span class="sourceLineNo">370</span> case FAILED_OPEN:<a name="line.370"></a> +<span class="sourceLineNo">371</span> // just wake up the procedure and see if we can retry<a name="line.371"></a> +<span class="sourceLineNo">372</span> regionNode.getProcedureEvent().wake(env.getProcedureScheduler());<a name="line.372"></a> +<span class="sourceLineNo">373</span> break;<a name="line.373"></a> +<span class="sourceLineNo">374</span> default:<a name="line.374"></a> +<span class="sourceLineNo">375</span> throw new UnexpectedStateException(<a name="line.375"></a> +<span class="sourceLineNo">376</span> "Received report unexpected " + code + " transition openSeqNum=" + openSeqNum + ", " +<a name="line.376"></a> +<span class="sourceLineNo">377</span> regionNode.toShortString() + ", " + this + ", expected OPENED or FAILED_OPEN.");<a name="line.377"></a> +<span class="sourceLineNo">378</span> }<a name="line.378"></a> +<span class="sourceLineNo">379</span> }<a name="line.379"></a> +<span class="sourceLineNo">380</span><a name="line.380"></a> +<span class="sourceLineNo">381</span> // we do not need seqId for closing a region<a name="line.381"></a> +<span class="sourceLineNo">382</span> private void reportTransitionClosed(MasterProcedureEnv env, RegionStateNode regionNode,<a name="line.382"></a> +<span class="sourceLineNo">383</span> ServerName serverName, TransitionCode code) throws IOException {<a name="line.383"></a> +<span class="sourceLineNo">384</span> switch (code) {<a name="line.384"></a> +<span class="sourceLineNo">385</span> case CLOSED:<a name="line.385"></a> +<span class="sourceLineNo">386</span> env.getAssignmentManager().regionClosed(regionNode, true);<a name="line.386"></a> +<span class="sourceLineNo">387</span> if (lastState == RegionStateTransitionState.REGION_STATE_TRANSITION_CONFIRM_CLOSED) {<a name="line.387"></a> +<span class="sourceLineNo">388</span> // we are done<a name="line.388"></a> +<span class="sourceLineNo">389</span> regionNode.unsetProcedure(this);<a name="line.389"></a> +<span class="sourceLineNo">390</span> }<a name="line.390"></a> +<span class="sourceLineNo">391</span> regionNode.getProcedureEvent().wake(env.getProcedureScheduler());<a name="line.391"></a> +<span class="sourceLineNo">392</span> break;<a name="line.392"></a> +<span class="sourceLineNo">393</span> default:<a name="line.393"></a> +<span class="sourceLineNo">394</span> throw new UnexpectedStateException("Received report unexpected " + code + " transition, " +<a name="line.394"></a> +<span class="sourceLineNo">395</span> regionNode.toShortString() + ", " + this + ", expected CLOSED.");<a name="line.395"></a> +<span class="sourceLineNo">396</span> }<a name="line.396"></a> +<span class="sourceLineNo">397</span> }<a name="line.397"></a> +<span class="sourceLineNo">398</span><a name="line.398"></a> +<span class="sourceLineNo">399</span> // Should be called with RegionStateNode locked<a name="line.399"></a> +<span class="sourceLineNo">400</span> public void reportTransition(MasterProcedureEnv env, RegionStateNode regionNode,<a name="line.400"></a> +<span class="sourceLineNo">401</span> ServerName serverName, TransitionCode code, long seqId) throws IOException {<a name="line.401"></a> +<span class="sourceLineNo">402</span> switch (getCurrentState()) {<a name="line.402"></a> +<span class="sourceLineNo">403</span> case REGION_STATE_TRANSITION_CONFIRM_OPENED:<a name="line.403"></a> +<span class="sourceLineNo">404</span> reportTransitionOpened(env, regionNode, serverName, code, seqId);<a name="line.404"></a> +<span class="sourceLineNo">405</span> break;<a name="line.405"></a> +<span class="sourceLineNo">406</span> case REGION_STATE_TRANSITION_CONFIRM_CLOSED:<a name="line.406"></a> +<span class="sourceLineNo">407</span> reportTransitionClosed(env, regionNode, serverName, code);<a name="line.407"></a> +<span class="sourceLineNo">408</span> break;<a name="line.408"></a> +<span class="sourceLineNo">409</span> default:<a name="line.409"></a> +<span class="sourceLineNo">410</span> LOG.warn("{} received unexpected report transition call from {}, code={}, seqId={}", this,<a name="line.410"></a> +<span class="sourceLineNo">411</span> serverName, code, seqId);<a name="line.411"></a> +<span class="sourceLineNo">412</span> }<a name="line.412"></a> +<span class="sourceLineNo">413</span> }<a name="line.413"></a> +<span class="sourceLineNo">414</span><a name="line.414"></a> +<span class="sourceLineNo">415</span> // Should be called with RegionStateNode locked<a name="line.415"></a> +<span class="sourceLineNo">416</span> public void serverCrashed(MasterProcedureEnv env, RegionStateNode regionNode,<a name="line.416"></a> +<span class="sourceLineNo">417</span> ServerName serverName) throws IOException {<a name="line.417"></a> +<span class="sourceLineNo">418</span> // Notice that, in this method, we do not change the procedure state, instead, we update the<a name="line.418"></a> +<span class="sourceLineNo">419</span> // region state in hbase:meta. This is because that, the procedure state change will not be<a name="line.419"></a> +<span class="sourceLineNo">420</span> // persisted until the region is woken up and finish one step, if we crash before that then the<a name="line.420"></a> +<span class="sourceLineNo">421</span> // information will be lost. So here we will update the region state in hbase:meta, and when the<a name="line.421"></a> +<span class="sourceLineNo">422</span> // procedure is woken up, it will process the error and jump to the correct procedure state.<a name="line.422"></a> +<span class="sourceLineNo">423</span> RegionStateTransitionState currentState = getCurrentState();<a name="line.423"></a> +<span class="sourceLineNo">424</span> switch (currentState) {<a name="line.424"></a> +<span class="sourceLineNo">425</span> case REGION_STATE_TRANSITION_CLOSE:<a name="line.425"></a> +<span class="sourceLineNo">426</span> case REGION_STATE_TRANSITION_CONFIRM_CLOSED:<a name="line.426"></a> +<span class="sourceLineNo">427</span> case REGION_STATE_TRANSITION_CONFIRM_OPENED:<a name="line.427"></a> +<span class="sourceLineNo">428</span> // for these 3 states, the region may still be online on the crashed server<a name="line.428"></a> +<span class="sourceLineNo">429</span> if (serverName.equals(regionNode.getRegionLocation())) {<a name="line.429"></a> +<span class="sourceLineNo">430</span> env.getAssignmentManager().regionClosed(regionNode, false);<a name="line.430"></a> +<span class="sourceLineNo">431</span> if (currentState != RegionStateTransitionState.REGION_STATE_TRANSITION_CLOSE) {<a name="line.431"></a> +<span class="sourceLineNo">432</span> regionNode.getProcedureEvent().wake(env.getProcedureScheduler());<a name="line.432"></a> +<span class="sourceLineNo">433</span> }<a name="line.433"></a> +<span class="sourceLineNo">434</span> }<a name="line.434"></a> +<span class="sourceLineNo">435</span> break;<a name="line.435"></a> +<span class="sourceLineNo">436</span> default:<a name="line.436"></a> +<span class="sourceLineNo">437</span> // If the procedure is in other 2 states, then actually we should not arrive here, as we<a name="line.437"></a> +<span class="sourceLineNo">438</span> // know that the region is not online on any server, so we need to do nothing... But anyway<a name="line.438"></a> +<span class="sourceLineNo">439</span> // let's add a log here<a name="line.439"></a> +<span class="sourceLineNo">440</span> LOG.warn("{} received unexpected server crash call for region {} from {}", this, regionNode,<a name="line.440"></a> +<span class="sourceLineNo">441</span> serverName);<a name="line.441"></a> +<span class="sourceLineNo">442</span><a name="line.442"></a> +<span class="sourceLineNo">443</span> }<a name="line.443"></a> +<span class="sourceLineNo">444</span> }<a name="line.444"></a> +<span class="sourceLineNo">445</span><a name="line.445"></a> +<span class="sourceLineNo">446</span> private boolean incrementAndCheckMaxAttempts(MasterProcedureEnv env, RegionStateNode regionNode) {<a name="line.446"></a> +<span class="sourceLineNo">447</span> int retries = env.getAssignmentManager().getRegionStates().addToFailedOpen(regionNode)<a name="line.447"></a> +<span class="sourceLineNo">448</span> .incrementAndGetRetries();<a name="line.448"></a> +<span class="sourceLineNo">449</span> int max = env.getAssignmentManager().getAssignMaxAttempts();<a name="line.449"></a> +<span class="sourceLineNo">450</span> LOG.info("Retry={} of max={}; {}; {}", retries, max, this, regionNode.toShortString());<a name="line.450"></a> +<span class="sourceLineNo">451</span> return retries >= max;<a name="line.451"></a> +<span class="sourceLineNo">452</span> }<a name="line.452"></a> +<span class="sourceLineNo">453</span><a name="line.453"></a> +<span class="sourceLineNo">454</span> @Override<a name="line.454"></a> +<span class="sourceLineNo">455</span> protected void rollbackState(MasterProcedureEnv env, RegionStateTransitionState state)<a name="line.455"></a> +<span class="sourceLineNo">456</span> throws IOException, InterruptedException {<a name="line.456"></a> +<span class="sourceLineNo">457</span> // no rollback<a name="line.457"></a> +<span class="sourceLineNo">458</span> throw new UnsupportedOperationException();<a name="line.458"></a> +<span class="sourceLineNo">459</span> }<a name="line.459"></a> +<span class="sourceLineNo">460</span><a name="line.460"></a> +<span class="sourceLineNo">461</span> @Override<a name="line.461"></a> +<span class="sourceLineNo">462</span> protected RegionStateTransitionState getState(int stateId) {<a name="line.462"></a> +<span class="sourceLineNo">463</span> return RegionStateTransitionState.forNumber(stateId);<a name="line.463"></a> +<span class="sourceLineNo">464</span> }<a name="line.464"></a> +<span class="sourceLineNo">465</span><a name="line.465"></a> +<span class="sourceLineNo">466</span> @Override<a name="line.466"></a> +<span class="sourceLineNo">467</span> protected int getStateId(RegionStateTransitionState state) {<a name="line.467"></a> +<span class="sourceLineNo">468</span> return state.getNumber();<a name="line.468"></a> +<span class="sourceLineNo">469</span> }<a name="line.469"></a> +<span class="sourceLineNo">470</span><a name="line.470"></a> +<span class="sourceLineNo">471</span> @Override<a name="line.471"></a> +<span class="sourceLineNo">472</span> protected RegionStateTransitionState getInitialState() {<a name="line.472"></a> +<span class="sourceLineNo">473</span> return initialState;<a name="line.473"></a> +<span class="sourceLineNo">474</span> }<a name="line.474"></a> +<span class="sourceLineNo">475</span><a name="line.475"></a> +<span class="sourceLineNo">476</span> @Override<a name="line.476"></a> +<span class="sourceLineNo">477</span> protected void serializeStateData(ProcedureStateSerializer serializer) throws IOException {<a name="line.477"></a> +<span class="sourceLineNo">478</span> super.serializeStateData(serializer);<a name="line.478"></a> +<span class="sourceLineNo">479</span> RegionStateTransitionStateData.Builder builder = RegionStateTransitionStateData.newBuilder()<a name="line.479"></a> +<span class="sourceLineNo">480</span> .setInitialState(initialState).setLastState(lastState).setForceNewPlan(forceNewPlan);<a name="line.480"></a> +<span class="sourceLineNo">481</span> if (assignCandidate != null) {<a name="line.481"></a> +<span class="sourceLineNo">482</span> builder.setAssignCandidate(ProtobufUtil.toServerName(assignCandidate));<a name="line.482"></a> +<span class="sourceLineNo">483</span> }<a name="line.483"></a> +<span class="sourceLineNo">484</span> serializer.serialize(builder.build());<a name="line.484"></a> +<span class="sourceLineNo">485</span> }<a name="line.485"></a> +<span class="sourceLineNo">486</span><a name="line.486"></a> +<span class="sourceLineNo">487</span> @Override<a name="line.487"></a> +<span class="sourceLineNo">488</span> protected void deserializeStateData(ProcedureStateSerializer serializer) throws IOException {<a name="line.488"></a> +<span class="sourceLineNo">489</span> super.deserializeStateData(serializer);<a name="line.489"></a> +<span class="sourceLineNo">490</span> RegionStateTransitionStateData data =<a name="line.490"></a> +<span class="sourceLineNo">491</span> serializer.deserialize(RegionStateTransitionStateData.class);<a name="line.491"></a> +<span class="sourceLineNo">492</span> initialState = data.getInitialState();<a name="line.492"></a> +<span class="sourceLineNo">493</span> lastState = data.getLastState();<a name="line.493"></a> +<span class="sourceLineNo">494</span> forceNewPlan = data.getForceNewPlan();<a name="line.494"></a> +<span class="sourceLineNo">495</span> if (data.hasAssignCandidate()) {<a name="line.495"></a> +<span class="sourceLineNo">496</span> assignCandidate = ProtobufUtil.toServerName(data.getAssignCandidate());<a name="line.496"></a> +<span class="sourceLineNo">497</span> }<a name="line.497"></a> +<span class="sourceLineNo">498</span> }<a name="line.498"></a> +<span class="sourceLineNo">499</span><a name="line.499"></a> +<span class="sourceLineNo">500</span> @Override<a name="line.500"></a> +<span class="sourceLineNo">501</span> protected ProcedureMetrics getProcedureMetrics(MasterProcedureEnv env) {<a name="line.501"></a> +<span class="sourceLineNo">502</span> // TODO: need to reimplement the metrics system for assign/unassign<a name="line.502"></a> +<span class="sourceLineNo">503</span> if (initialState == RegionStateTransitionState.REGION_STATE_TRANSITION_GET_ASSIGN_CANDIDATE) {<a name="line.503"></a> +<span class="sourceLineNo">504</span> return env.getAssignmentManager().getAssignmentManagerMetrics().getAssignProcMetrics();<a name="line.504"></a> +<span class="sourceLineNo">505</span> } else {<a name="line.505"></a> +<span class="sourceLineNo">506</span> return env.getAssignmentManager().getAssignmentManagerMetrics().getUnassignProcMetrics();<a name="line.506"></a> +<span class="sourceLineNo">507</span> }<a name="line.507"></a> +<span class="sourceLineNo">508</span> }<a name="line.508"></a> +<span class="sourceLineNo">509</span><a name="line.509"></a> +<span class="sourceLineNo">510</span> @Override<a name="line.510"></a> +<span class="sourceLineNo">511</span> public void toStringClassDetails(StringBuilder sb) {<a name="line.511"></a> +<span class="sourceLineNo">512</span> super.toStringClassDetails(sb);<a name="line.512"></a> +<span class="sourceLineNo">513</span> if (initialState == RegionStateTransitionState.REGION_STATE_TRANSITION_GET_ASSIGN_CANDIDATE) {<a name="line.513"></a> +<span class="sourceLineNo">514</span> sb.append(", ASSIGN");<a name="line.514"></a> +<span class="sourceLineNo">515</span> } else if (lastState == RegionStateTransitionState.REGION_STATE_TRANSITION_CONFIRM_CLOSED) {<a name="line.515"></a> +<span class="sourceLineNo">516</span> sb.append(", UNASSIGN");<a name="line.516"></a> +<span class="sourceLineNo">517</span> } else {<a name="line.517"></a> +<span class="sourceLineNo">518</span> sb.append(", REOPEN/MOVE");<a name="line.518"></a> +<span class="sourceLineNo">519</span> }<a name="line.519"></a> +<span class="sourceLineNo">520</span> }<a name="line.520"></a> +<span class="sourceLineNo">521</span><a name="line.521"></a> +<span class="sourceLineNo">522</span> private static TransitRegionStateProcedure setOwner(MasterProcedureEnv env,<a name="line.522"></a> +<span class="sourceLineNo">523</span> TransitRegionStateProcedure proc) {<a name="line.523"></a> +<span class="sourceLineNo">524</span> proc.setOwner(env.getRequestUser().getShortName());<a name="line.524"></a> +<span class="sourceLineNo">525</span> return proc;<a name="line.525"></a> +<span class="sourceLineNo">526</span> }<a name="line.526"></a> +<span class="sourceLineNo">527</span><a name="line.527"></a> +<span class="sourceLineNo">528</span> // Be careful that, when you call these 4 methods below, you need to manually attach the returned<a name="line.528"></a> +<span class="sourceLineNo">529</span> // procedure with the RegionStateNode, otherwise the procedure will quit immediately without doing<a name="line.529"></a> +<span class="sourceLineNo">530</span> // anything. See the comment in executeFromState to find out why we need this assumption.<a name="line.530"></a> +<span class="sourceLineNo">531</span> public static TransitRegionStateProcedure assign(MasterProcedureEnv env, RegionInfo region,<a name="line.531"></a> +<span class="sourceLineNo">532</span> @Nullable ServerName targetServer) {<a name="line.532"></a> +<span class="sourceLineNo">533</span> return setOwner(env,<a name="line.533"></a> +<span class="sourceLineNo">534</span> new TransitRegionStateProcedure(env, region, targetServer, false,<a name="line.534"></a> +<span class="sourceLineNo">535</span> RegionStateTransitionState.REGION_STATE_TRANSITION_GET_ASSIGN_CANDIDATE,<a name="line.535"></a> +<span class="sourceLineNo">536</span> RegionStateTransitionState.REGION_STATE_TRANSITION_CONFIRM_OPENED));<a name="line.536"></a> +<span class="sourceLineNo">537</span> }<a name="line.537"></a> +<span class="sourceLineNo">538</span><a name="line.538"></a> +<span class="sourceLineNo">539</span> public static TransitRegionStateProcedure unassign(MasterProcedureEnv env, RegionInfo region) {<a name="line.539"></a> +<span class="sourceLineNo">540</span> return setOwner(env,<a name="line.540"></a> +<span class="sourceLineNo">541</span> new TransitRegionStateProcedure(env, region, null, false,<a name="line.541"></a> +<span class="sourceLineNo">542</span> RegionStateTransitionState.REGION_STATE_TRANSITION_CLOSE,<a name="line.542"></a> +<span class="sourceLineNo">543</span> RegionStateTransitionState.REGION_STATE_TRANSITION_CONFIRM_CLOSED));<a name="line.543"></a> +<span class="sourceLineNo">544</span> }<a name="line.544"></a> +<span class="sourceLineNo">545</span><a name="line.545"></a> +<span class="sourceLineNo">546</span> public static TransitRegionStateProcedure reopen(MasterProcedureEnv env, RegionInfo region) {<a name="line.546"></a> +<span class="sourceLineNo">547</span> return setOwner(env,<a name="line.547"></a> +<span class="sourceLineNo">548</span> new TransitRegionStateProcedure(env, region, null, false,<a name="line.548"></a> +<span class="sourceLineNo">549</span> RegionStateTransitionState.REGION_STATE_TRANSITION_CLOSE,<a name="line.549"></a> +<span class="sourceLineNo">550</span> RegionStateTransitionState.REGION_STATE_TRANSITION_CONFIRM_OPENED));<a name="line.550"></a> +<span class="sourceLineNo">551</span> }<a name="line.551"></a> +<span class="sourceLineNo">552</span><a name="line.552"></a> +<span class="sourceLineNo">553</span> public static TransitRegionStateProcedure move(MasterProcedureEnv env, RegionInfo region,<a name="line.553"></a> +<span class="sourceLineNo">554</span> @Nullable ServerName targetServer) {<a name="line.554"></a> +<span class="sourceLineNo">555</span> return setOwner(env,<a name="line.555"></a> +<span class="sourceLineNo">556</span> new TransitRegionStateProcedure(env, region, targetServer, targetServer == null,<a name="line.556"></a> +<span class="sourceLineNo">557</span> RegionStateTransitionState.REGION_STATE_TRANSITION_CLOSE,<a name="line.557"></a> +<span class="sourceLineNo">558</span> RegionStateTransitionState.REGION_STATE_TRANSITION_CONFIRM_OPENED));<a name="line.558"></a> +<span class="sourceLineNo">559</span> }<a name="line.559"></a> +<span class="sourceLineNo">560</span>}<a name="line.560"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/419d0338/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/ReopenTableRegionsProcedure.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/ReopenTableRegionsProcedure.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/ReopenTableRegionsProcedure.html index 93bcb46..1aebd73 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/ReopenTableRegionsProcedure.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/ReopenTableRegionsProcedure.html @@ -130,60 +130,61 @@ <span class="sourceLineNo">122</span> regions.size(), tableName, backoff / 1000);<a name="line.122"></a> <span class="sourceLineNo">123</span> setTimeout(Math.toIntExact(backoff));<a name="line.123"></a> <span class="sourceLineNo">124</span> setState(ProcedureProtos.ProcedureState.WAITING_TIMEOUT);<a name="line.124"></a> -<span class="sourceLineNo">125</span> throw new ProcedureSuspendedException();<a name="line.125"></a> -<span class="sourceLineNo">126</span> default:<a name="line.126"></a> -<span class="sourceLineNo">127</span> throw new UnsupportedOperationException("unhandled state=" + state);<a name="line.127"></a> -<span class="sourceLineNo">128</span> }<a name="line.128"></a> -<span class="sourceLineNo">129</span> }<a name="line.129"></a> -<span class="sourceLineNo">130</span><a name="line.130"></a> -<span class="sourceLineNo">131</span> /**<a name="line.131"></a> -<span class="sourceLineNo">132</span> * At end of timeout, wake ourselves up so we run again.<a name="line.132"></a> -<span class="sourceLineNo">133</span> */<a name="line.133"></a> -<span class="sourceLineNo">134</span> @Override<a name="line.134"></a> -<span class="sourceLineNo">135</span> protected synchronized boolean setTimeoutFailure(MasterProcedureEnv env) {<a name="line.135"></a> -<span class="sourceLineNo">136</span> setState(ProcedureProtos.ProcedureState.RUNNABLE);<a name="line.136"></a> -<span class="sourceLineNo">137</span> env.getProcedureScheduler().addFront(this);<a name="line.137"></a> -<span class="sourceLineNo">138</span> return false; // 'false' means that this procedure handled the timeout<a name="line.138"></a> -<span class="sourceLineNo">139</span> }<a name="line.139"></a> -<span class="sourceLineNo">140</span> @Override<a name="line.140"></a> -<span class="sourceLineNo">141</span> protected void rollbackState(MasterProcedureEnv env, ReopenTableRegionsState state)<a name="line.141"></a> -<span class="sourceLineNo">142</span> throws IOException, InterruptedException {<a name="line.142"></a> -<span class="sourceLineNo">143</span> throw new UnsupportedOperationException("unhandled state=" + state);<a name="line.143"></a> -<span class="sourceLineNo">144</span> }<a name="line.144"></a> -<span class="sourceLineNo">145</span><a name="line.145"></a> -<span class="sourceLineNo">146</span> @Override<a name="line.146"></a> -<span class="sourceLineNo">147</span> protected ReopenTableRegionsState getState(int stateId) {<a name="line.147"></a> -<span class="sourceLineNo">148</span> return ReopenTableRegionsState.forNumber(stateId);<a name="line.148"></a> -<span class="sourceLineNo">149</span> }<a name="line.149"></a> -<span class="sourceLineNo">150</span><a name="line.150"></a> -<span class="sourceLineNo">151</span> @Override<a name="line.151"></a> -<span class="sourceLineNo">152</span> protected int getStateId(ReopenTableRegionsState state) {<a name="line.152"></a> -<span class="sourceLineNo">153</span> return state.getNumber();<a name="line.153"></a> -<span class="sourceLineNo">154</span> }<a name="line.154"></a> -<span class="sourceLineNo">155</span><a name="line.155"></a> -<span class="sourceLineNo">156</span> @Override<a name="line.156"></a> -<span class="sourceLineNo">157</span> protected ReopenTableRegionsState getInitialState() {<a name="line.157"></a> -<span class="sourceLineNo">158</span> return ReopenTableRegionsState.REOPEN_TABLE_REGIONS_GET_REGIONS;<a name="line.158"></a> -<span class="sourceLineNo">159</span> }<a name="line.159"></a> -<span class="sourceLineNo">160</span><a name="line.160"></a> -<span class="sourceLineNo">161</span> @Override<a name="line.161"></a> -<span class="sourceLineNo">162</span> protected void serializeStateData(ProcedureStateSerializer serializer) throws IOException {<a name="line.162"></a> -<span class="sourceLineNo">163</span> super.serializeStateData(serializer);<a name="line.163"></a> -<span class="sourceLineNo">164</span> ReopenTableRegionsStateData.Builder builder = ReopenTableRegionsStateData.newBuilder()<a name="line.164"></a> -<span class="sourceLineNo">165</span> .setTableName(ProtobufUtil.toProtoTableName(tableName));<a name="line.165"></a> -<span class="sourceLineNo">166</span> regions.stream().map(ProtobufUtil::toRegionLocation).forEachOrdered(builder::addRegion);<a name="line.166"></a> -<span class="sourceLineNo">167</span> serializer.serialize(builder.build());<a name="line.167"></a> -<span class="sourceLineNo">168</span> }<a name="line.168"></a> -<span class="sourceLineNo">169</span><a name="line.169"></a> -<span class="sourceLineNo">170</span> @Override<a name="line.170"></a> -<span class="sourceLineNo">171</span> protected void deserializeStateData(ProcedureStateSerializer serializer) throws IOException {<a name="line.171"></a> -<span class="sourceLineNo">172</span> super.deserializeStateData(serializer);<a name="line.172"></a> -<span class="sourceLineNo">173</span> ReopenTableRegionsStateData data = serializer.deserialize(ReopenTableRegionsStateData.class);<a name="line.173"></a> -<span class="sourceLineNo">174</span> tableName = ProtobufUtil.toTableName(data.getTableName());<a name="line.174"></a> -<span class="sourceLineNo">175</span> regions = data.getRegionList().stream().map(ProtobufUtil::toRegionLocation)<a name="line.175"></a> -<span class="sourceLineNo">176</span> .collect(Collectors.toList());<a name="line.176"></a> -<span class="sourceLineNo">177</span> }<a name="line.177"></a> -<span class="sourceLineNo">178</span>}<a name="line.178"></a> +<span class="sourceLineNo">125</span> skipPersistence();<a name="line.125"></a> +<span class="sourceLineNo">126</span> throw new ProcedureSuspendedException();<a name="line.126"></a> +<span class="sourceLineNo">127</span> default:<a name="line.127"></a> +<span class="sourceLineNo">128</span> throw new UnsupportedOperationException("unhandled state=" + state);<a name="line.128"></a> +<span class="sourceLineNo">129</span> }<a name="line.129"></a> +<span class="sourceLineNo">130</span> }<a name="line.130"></a> +<span class="sourceLineNo">131</span><a name="line.131"></a> +<span class="sourceLineNo">132</span> /**<a name="line.132"></a> +<span class="sourceLineNo">133</span> * At end of timeout, wake ourselves up so we run again.<a name="line.133"></a> +<span class="sourceLineNo">134</span> */<a name="line.134"></a> +<span class="sourceLineNo">135</span> @Override<a name="line.135"></a> +<span class="sourceLineNo">136</span> protected synchronized boolean setTimeoutFailure(MasterProcedureEnv env) {<a name="line.136"></a> +<span class="sourceLineNo">137</span> setState(ProcedureProtos.ProcedureState.RUNNABLE);<a name="line.137"></a> +<span class="sourceLineNo">138</span> env.getProcedureScheduler().addFront(this);<a name="line.138"></a> +<span class="sourceLineNo">139</span> return false; // 'false' means that this procedure handled the timeout<a name="line.139"></a> +<span class="sourceLineNo">140</span> }<a name="line.140"></a> +<span class="sourceLineNo">141</span> @Override<a name="line.141"></a> +<span class="sourceLineNo">142</span> protected void rollbackState(MasterProcedureEnv env, ReopenTableRegionsState state)<a name="line.142"></a> +<span class="sourceLineNo">143</span> throws IOException, InterruptedException {<a name="line.143"></a> +<span class="sourceLineNo">144</span> throw new UnsupportedOperationException("unhandled state=" + state);<a name="line.144"></a> +<span class="sourceLineNo">145</span> }<a name="line.145"></a> +<span class="sourceLineNo">146</span><a name="line.146"></a> +<span class="sourceLineNo">147</span> @Override<a name="line.147"></a> +<span class="sourceLineNo">148</span> protected ReopenTableRegionsState getState(int stateId) {<a name="line.148"></a> +<span class="sourceLineNo">149</span> return ReopenTableRegionsState.forNumber(stateId);<a name="line.149"></a> +<span class="sourceLineNo">150</span> }<a name="line.150"></a> +<span class="sourceLineNo">151</span><a name="line.151"></a> +<span class="sourceLineNo">152</span> @Override<a name="line.152"></a> +<span class="sourceLineNo">153</span> protected int getStateId(ReopenTableRegionsState state) {<a name="line.153"></a> +<span class="sourceLineNo">154</span> return state.getNumber();<a name="line.154"></a> +<span class="sourceLineNo">155</span> }<a name="line.155"></a> +<span class="sourceLineNo">156</span><a name="line.156"></a> +<span class="sourceLineNo">157</span> @Override<a name="line.157"></a> +<span class="sourceLineNo">158</span> protected ReopenTableRegionsState getInitialState() {<a name="line.158"></a> +<span class="sourceLineNo">159</span> return ReopenTableRegionsState.REOPEN_TABLE_REGIONS_GET_REGIONS;<a name="line.159"></a> +<span class="sourceLineNo">160</span> }<a name="line.160"></a> +<span class="sourceLineNo">161</span><a name="line.161"></a> +<span class="sourceLineNo">162</span> @Override<a name="line.162"></a> +<span class="sourceLineNo">163</span> protected void serializeStateData(ProcedureStateSerializer serializer) throws IOException {<a name="line.163"></a> +<span class="sourceLineNo">164</span> super.serializeStateData(serializer);<a name="line.164"></a> +<span class="sourceLineNo">165</span> ReopenTableRegionsStateData.Builder builder = ReopenTableRegionsStateData.newBuilder()<a name="line.165"></a> +<span class="sourceLineNo">166</span> .setTableName(ProtobufUtil.toProtoTableName(tableName));<a name="line.166"></a> +<span class="sourceLineNo">167</span> regions.stream().map(ProtobufUtil::toRegionLocation).forEachOrdered(builder::addRegion);<a name="line.167"></a> +<span class="sourceLineNo">168</span> serializer.serialize(builder.build());<a name="line.168"></a> +<span class="sourceLineNo">169</span> }<a name="line.169"></a> +<span class="sourceLineNo">170</span><a name="line.170"></a> +<span class="sourceLineNo">171</span> @Override<a name="line.171"></a> +<span class="sourceLineNo">172</span> protected void deserializeStateData(ProcedureStateSerializer serializer) throws IOException {<a name="line.172"></a> +<span class="sourceLineNo">173</span> super.deserializeStateData(serializer);<a name="line.173"></a> +<span class="sourceLineNo">174</span> ReopenTableRegionsStateData data = serializer.deserialize(ReopenTableRegionsStateData.class);<a name="line.174"></a> +<span class="sourceLineNo">175</span> tableName = ProtobufUtil.toTableName(data.getTableName());<a name="line.175"></a> +<span class="sourceLineNo">176</span> regions = data.getRegionList().stream().map(ProtobufUtil::toRegionLocation)<a name="line.176"></a> +<span class="sourceLineNo">177</span> .collect(Collectors.toList());<a name="line.177"></a> +<span class="sourceLineNo">178</span> }<a name="line.178"></a> +<span class="sourceLineNo">179</span>}<a name="line.179"></a>
