HBASE-12399 Master startup race between metrics and RpcServer
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3c06b48181
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@ -27,9 +27,13 @@ public class MetricsHBaseServerWrapperImpl implements MetricsHBaseServerWrapper
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this.server = server;
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}
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private boolean isServerStarted() {
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return this.server != null && this.server.isStarted();
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}
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@Override
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public long getTotalQueueSize() {
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if (this.server == null) {
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if (!isServerStarted()) {
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return 0;
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}
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return server.callQueueSize.get();
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@ -37,7 +41,7 @@ public class MetricsHBaseServerWrapperImpl implements MetricsHBaseServerWrapper
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@Override
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public int getGeneralQueueLength() {
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if (this.server == null || this.server.getScheduler() == null) {
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if (!isServerStarted() || this.server.getScheduler() == null) {
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return 0;
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}
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return server.getScheduler().getGeneralQueueLength();
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@ -45,7 +49,7 @@ public class MetricsHBaseServerWrapperImpl implements MetricsHBaseServerWrapper
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@Override
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public int getReplicationQueueLength() {
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if (this.server == null || this.server.getScheduler() == null) {
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if (!isServerStarted() || this.server.getScheduler() == null) {
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return 0;
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}
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return server.getScheduler().getReplicationQueueLength();
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@ -53,7 +57,7 @@ public class MetricsHBaseServerWrapperImpl implements MetricsHBaseServerWrapper
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@Override
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public int getPriorityQueueLength() {
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if (this.server == null || this.server.getScheduler() == null) {
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if (!isServerStarted() || this.server.getScheduler() == null) {
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return 0;
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}
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return server.getScheduler().getPriorityQueueLength();
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@ -61,7 +65,7 @@ public class MetricsHBaseServerWrapperImpl implements MetricsHBaseServerWrapper
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@Override
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public int getNumOpenConnections() {
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if (this.server == null || this.server.connectionList == null) {
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if (!isServerStarted() || this.server.connectionList == null) {
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return 0;
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}
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return server.connectionList.size();
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@ -69,7 +73,7 @@ public class MetricsHBaseServerWrapperImpl implements MetricsHBaseServerWrapper
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@Override
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public int getActiveRpcHandlerCount() {
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if (this.server == null || this.server.getScheduler() == null) {
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if (!isServerStarted() || this.server.getScheduler() == null) {
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return 0;
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}
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return server.getScheduler().getActiveRpcHandlerCount();
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