From 3e3c8fa70057e8b66686edd991ccb2381ee44a3d Mon Sep 17 00:00:00 2001 From: Victor Date: Mon, 5 Dec 2022 12:23:26 -0800 Subject: [PATCH] HBASE-27466: Making metrics instance containing one or more connections. (#4874) (#4909) Signed-off-by: David Manning <67607031+d-c-manning@users.noreply.github.com> Signed-off-by: Viraj Jasani --- .../hbase/client/AsyncConnectionImpl.java | 10 +- .../client/ConnectionImplementation.java | 9 +- .../hbase/client/MetricsConnection.java | 240 +++++++++++++++--- .../hbase/client/TestMetricsConnection.java | 71 +++++- .../hbase/client/ClientPushbackTestBase.java | 4 +- .../client/TestClientOperationTimeout.java | 4 +- .../hadoop/hbase/client/TestMetaCache.java | 8 +- .../TestMultiActionMetricsFromClient.java | 6 +- .../hbase/client/TestReplicasClient.java | 4 +- 9 files changed, 288 insertions(+), 68 deletions(-) diff --git a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncConnectionImpl.java b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncConnectionImpl.java index c91b8cf3225..19193e234dc 100644 --- a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncConnectionImpl.java +++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncConnectionImpl.java @@ -115,6 +115,7 @@ public class AsyncConnectionImpl implements AsyncConnection { private volatile boolean closed = false; + private final String metricsScope; private final Optional metrics; private final ClusterStatusListener clusterStatusListener; @@ -123,6 +124,7 @@ public class AsyncConnectionImpl implements AsyncConnection { User user) { this.conf = conf; this.user = user; + this.metricsScope = MetricsConnection.getScope(conf, clusterId, this); if (user.isLoginFromKeytab()) { spawnRenewalChore(user.getUGI()); @@ -130,8 +132,8 @@ public class AsyncConnectionImpl implements AsyncConnection { this.connConf = new AsyncConnectionConfiguration(conf); this.registry = registry; if (conf.getBoolean(CLIENT_SIDE_METRICS_ENABLED_KEY, false)) { - String scope = MetricsConnection.getScope(conf, clusterId, this); - this.metrics = Optional.of(new MetricsConnection(scope, () -> null, () -> null)); + this.metrics = + Optional.of(MetricsConnection.getMetricsConnection(metricsScope, () -> null, () -> null)); } else { this.metrics = Optional.empty(); } @@ -226,7 +228,9 @@ public class AsyncConnectionImpl implements AsyncConnection { choreService = null; } } - metrics.ifPresent(MetricsConnection::shutdown); + if (metrics.isPresent()) { + MetricsConnection.deleteMetricsConnection(metricsScope); + } closed = true; }, "AsyncConnection.close"); } diff --git a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ConnectionImplementation.java b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ConnectionImplementation.java index b66e4242b3a..d5fe7dff6f0 100644 --- a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ConnectionImplementation.java +++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ConnectionImplementation.java @@ -224,6 +224,8 @@ public class ConnectionImplementation implements ClusterConnection, Closeable { private final RpcClient rpcClient; private final MetaCache metaCache; + + private String metricsScope = null; private final MetricsConnection metrics; protected User user; @@ -312,8 +314,9 @@ public class ConnectionImplementation implements ClusterConnection, Closeable { retrieveClusterId(); if (conf.getBoolean(CLIENT_SIDE_METRICS_ENABLED_KEY, false)) { - String scope = MetricsConnection.getScope(conf, clusterId, this); - this.metrics = new MetricsConnection(scope, this::getBatchPool, this::getMetaLookupPool); + this.metricsScope = MetricsConnection.getScope(conf, clusterId, this); + this.metrics = MetricsConnection.getMetricsConnection(this.metricsScope, this::getBatchPool, + this::getMetaLookupPool); } else { this.metrics = null; } @@ -2131,7 +2134,7 @@ public class ConnectionImplementation implements ClusterConnection, Closeable { closeMaster(); shutdownPools(); if (this.metrics != null) { - this.metrics.shutdown(); + MetricsConnection.deleteMetricsConnection(metricsScope); } this.closed = true; if (this.registry != null) { diff --git a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/MetricsConnection.java b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/MetricsConnection.java index 2ad2944cddd..faf8043ceb6 100644 --- a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/MetricsConnection.java +++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/MetricsConnection.java @@ -26,6 +26,8 @@ import com.codahale.metrics.JmxReporter; import com.codahale.metrics.MetricRegistry; import com.codahale.metrics.RatioGauge; import com.codahale.metrics.Timer; +import java.util.ArrayList; +import java.util.List; import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.ConcurrentMap; import java.util.concurrent.ConcurrentSkipListMap; @@ -47,12 +49,43 @@ import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.MutationPr /** * This class is for maintaining the various connection statistics and publishing them through the * metrics interfaces. This class manages its own {@link MetricRegistry} and {@link JmxReporter} so - * as to not conflict with other uses of Yammer Metrics within the client application. Instantiating - * this class implicitly creates and "starts" instances of these classes; be sure to call - * {@link #shutdown()} to terminate the thread pools they allocate. + * as to not conflict with other uses of Yammer Metrics within the client application. Calling + * {@link #getMetricsConnection(String, Supplier, Supplier)} implicitly creates and "starts" + * instances of these classes; be sure to call {@link #deleteMetricsConnection(String)} to terminate + * the thread pools they allocate. The metrics reporter will be shutdown {@link #shutdown()} when + * all connections within this metrics instances are closed. */ @InterfaceAudience.Private -public class MetricsConnection implements StatisticTrackable { +public final class MetricsConnection implements StatisticTrackable { + + private static final ConcurrentMap METRICS_INSTANCES = + new ConcurrentHashMap<>(); + + static MetricsConnection getMetricsConnection(final String scope, + Supplier batchPool, Supplier metaPool) { + return METRICS_INSTANCES.compute(scope, (s, metricsConnection) -> { + if (metricsConnection == null) { + MetricsConnection newMetricsConn = new MetricsConnection(scope, batchPool, metaPool); + newMetricsConn.incrConnectionCount(); + return newMetricsConn; + } else { + metricsConnection.addThreadPools(batchPool, metaPool); + metricsConnection.incrConnectionCount(); + return metricsConnection; + } + }); + } + + static void deleteMetricsConnection(final String scope) { + METRICS_INSTANCES.computeIfPresent(scope, (s, metricsConnection) -> { + metricsConnection.decrConnectionCount(); + if (metricsConnection.getConnectionCount() == 0) { + metricsConnection.shutdown(); + return null; + } + return metricsConnection; + }); + } /** Set this key to {@code true} to enable metrics collection of client requests. */ public static final String CLIENT_SIDE_METRICS_ENABLED_KEY = "hbase.client.metrics.enable"; @@ -231,7 +264,7 @@ public class MetricsConnection implements StatisticTrackable { } } - protected ConcurrentHashMap> serverStats = + private ConcurrentHashMap> serverStats = new ConcurrentHashMap<>(); public void updateServerStats(ServerName serverName, byte[] regionName, Object r) { @@ -272,7 +305,7 @@ public class MetricsConnection implements StatisticTrackable { private final MetricRegistry registry; private final JmxReporter reporter; - protected final String scope; + private final String scope; private final NewMetric timerFactory = new NewMetric() { @Override @@ -295,66 +328,93 @@ public class MetricsConnection implements StatisticTrackable { } }; + // List of thread pool per connection of the metrics. + private final List> batchPools = new ArrayList<>(); + private final List> metaPools = new ArrayList<>(); + // static metrics - protected final Counter metaCacheHits; - protected final Counter metaCacheMisses; - protected final CallTracker getTracker; - protected final CallTracker scanTracker; - protected final CallTracker appendTracker; - protected final CallTracker deleteTracker; - protected final CallTracker incrementTracker; - protected final CallTracker putTracker; - protected final CallTracker multiTracker; - protected final RunnerStats runnerStats; - protected final Counter metaCacheNumClearServer; - protected final Counter metaCacheNumClearRegion; - protected final Counter hedgedReadOps; - protected final Counter hedgedReadWin; - protected final Histogram concurrentCallsPerServerHist; - protected final Histogram numActionsPerServerHist; - protected final Counter nsLookups; - protected final Counter nsLookupsFailed; - protected final Timer overloadedBackoffTimer; + private final Counter connectionCount; + private final Counter metaCacheHits; + private final Counter metaCacheMisses; + private final CallTracker getTracker; + private final CallTracker scanTracker; + private final CallTracker appendTracker; + private final CallTracker deleteTracker; + private final CallTracker incrementTracker; + private final CallTracker putTracker; + private final CallTracker multiTracker; + private final RunnerStats runnerStats; + private final Counter metaCacheNumClearServer; + private final Counter metaCacheNumClearRegion; + private final Counter hedgedReadOps; + private final Counter hedgedReadWin; + private final Histogram concurrentCallsPerServerHist; + private final Histogram numActionsPerServerHist; + private final Counter nsLookups; + private final Counter nsLookupsFailed; + private final Timer overloadedBackoffTimer; // dynamic metrics // These maps are used to cache references to the metric instances that are managed by the // registry. I don't think their use perfectly removes redundant allocations, but it's // a big improvement over calling registry.newMetric each time. - protected final ConcurrentMap rpcTimers = + private final ConcurrentMap rpcTimers = new ConcurrentHashMap<>(CAPACITY, LOAD_FACTOR, CONCURRENCY_LEVEL); - protected final ConcurrentMap rpcHistograms = new ConcurrentHashMap<>( + private final ConcurrentMap rpcHistograms = new ConcurrentHashMap<>( CAPACITY * 2 /* tracking both request and response sizes */, LOAD_FACTOR, CONCURRENCY_LEVEL); private final ConcurrentMap cacheDroppingExceptions = new ConcurrentHashMap<>(CAPACITY, LOAD_FACTOR, CONCURRENCY_LEVEL); - protected final ConcurrentMap rpcCounters = + private final ConcurrentMap rpcCounters = new ConcurrentHashMap<>(CAPACITY, LOAD_FACTOR, CONCURRENCY_LEVEL); - MetricsConnection(String scope, Supplier batchPool, + private MetricsConnection(String scope, Supplier batchPool, Supplier metaPool) { this.scope = scope; + addThreadPools(batchPool, metaPool); this.registry = new MetricRegistry(); this.registry.register(getExecutorPoolName(), new RatioGauge() { @Override protected Ratio getRatio() { - ThreadPoolExecutor pool = batchPool.get(); - if (pool == null) { - return Ratio.of(0, 0); + int numerator = 0; + int denominator = 0; + for (Supplier poolSupplier : batchPools) { + ThreadPoolExecutor pool = poolSupplier.get(); + if (pool != null) { + int activeCount = pool.getActiveCount(); + int maxPoolSize = pool.getMaximumPoolSize(); + /* The max thread usage ratio among batch pools of all connections */ + if (numerator == 0 || (numerator * maxPoolSize) < (activeCount * denominator)) { + numerator = activeCount; + denominator = maxPoolSize; + } + } } - return Ratio.of(pool.getActiveCount(), pool.getMaximumPoolSize()); + return Ratio.of(numerator, denominator); } }); this.registry.register(getMetaPoolName(), new RatioGauge() { @Override protected Ratio getRatio() { - ThreadPoolExecutor pool = metaPool.get(); - if (pool == null) { - return Ratio.of(0, 0); + int numerator = 0; + int denominator = 0; + for (Supplier poolSupplier : metaPools) { + ThreadPoolExecutor pool = poolSupplier.get(); + if (pool != null) { + int activeCount = pool.getActiveCount(); + int maxPoolSize = pool.getMaximumPoolSize(); + /* The max thread usage ratio among meta lookup pools of all connections */ + if (numerator == 0 || (numerator * maxPoolSize) < (activeCount * denominator)) { + numerator = activeCount; + denominator = maxPoolSize; + } + } } - return Ratio.of(pool.getActiveCount(), pool.getMaximumPoolSize()); + return Ratio.of(numerator, denominator); } }); + this.connectionCount = registry.counter(name(this.getClass(), "connectionCount", scope)); this.metaCacheHits = registry.counter(name(this.getClass(), "metaCacheHits", scope)); this.metaCacheMisses = registry.counter(name(this.getClass(), "metaCacheMisses", scope)); this.metaCacheNumClearServer = @@ -397,8 +457,84 @@ public class MetricsConnection implements StatisticTrackable { return registry; } - public void shutdown() { - this.reporter.stop(); + /** scope of the metrics object */ + public String getMetricScope() { + return scope; + } + + /** serverStats metric */ + public ConcurrentHashMap> getServerStats() { + return serverStats; + } + + /** runnerStats metric */ + public RunnerStats getRunnerStats() { + return runnerStats; + } + + /** metaCacheNumClearServer metric */ + public Counter getMetaCacheNumClearServer() { + return metaCacheNumClearServer; + } + + /** metaCacheNumClearRegion metric */ + public Counter getMetaCacheNumClearRegion() { + return metaCacheNumClearRegion; + } + + /** hedgedReadOps metric */ + public Counter getHedgedReadOps() { + return hedgedReadOps; + } + + /** hedgedReadWin metric */ + public Counter getHedgedReadWin() { + return hedgedReadWin; + } + + /** numActionsPerServerHist metric */ + public Histogram getNumActionsPerServerHist() { + return numActionsPerServerHist; + } + + /** rpcCounters metric */ + public ConcurrentMap getRpcCounters() { + return rpcCounters; + } + + /** getTracker metric */ + public CallTracker getGetTracker() { + return getTracker; + } + + /** scanTracker metric */ + public CallTracker getScanTracker() { + return scanTracker; + } + + /** multiTracker metric */ + public CallTracker getMultiTracker() { + return multiTracker; + } + + /** appendTracker metric */ + public CallTracker getAppendTracker() { + return appendTracker; + } + + /** deleteTracker metric */ + public CallTracker getDeleteTracker() { + return deleteTracker; + } + + /** incrementTracker metric */ + public CallTracker getIncrementTracker() { + return incrementTracker; + } + + /** putTracker metric */ + public CallTracker getPutTracker() { + return putTracker; } /** Produce an instance of {@link CallStats} for clients to attach to RPCs. */ @@ -457,6 +593,28 @@ public class MetricsConnection implements StatisticTrackable { overloadedBackoffTimer.update(time, timeUnit); } + /** Return the connection count of the metrics within a scope */ + public long getConnectionCount() { + return connectionCount.getCount(); + } + + /** Increment the connection count of the metrics within a scope */ + private void incrConnectionCount() { + connectionCount.inc(); + } + + /** Decrement the connection count of the metrics within a scope */ + private void decrConnectionCount() { + connectionCount.dec(); + } + + /** Add thread pools of additional connections to the metrics */ + private void addThreadPools(Supplier batchPool, + Supplier metaPool) { + batchPools.add(batchPool); + metaPools.add(metaPool); + } + /** * Get a metric for {@code key} from {@code map}, or create it with {@code factory}. */ @@ -474,6 +632,10 @@ public class MetricsConnection implements StatisticTrackable { .update(stats.getResponseSizeBytes()); } + private void shutdown() { + this.reporter.stop(); + } + /** Report RPC context to metrics system. */ public void updateRpc(MethodDescriptor method, Message param, CallStats stats) { int callsPerServer = stats.getConcurrentCallsPerServer(); diff --git a/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestMetricsConnection.java b/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestMetricsConnection.java index cf86bb40287..7e6921003a2 100644 --- a/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestMetricsConnection.java +++ b/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestMetricsConnection.java @@ -24,6 +24,8 @@ import static org.junit.Assert.assertTrue; import com.codahale.metrics.RatioGauge; import com.codahale.metrics.RatioGauge.Ratio; import java.io.IOException; +import java.util.ArrayList; +import java.util.List; import java.util.Optional; import java.util.concurrent.CompletableFuture; import java.util.concurrent.Executors; @@ -64,14 +66,16 @@ public class TestMetricsConnection { private static final ThreadPoolExecutor BATCH_POOL = (ThreadPoolExecutor) Executors.newFixedThreadPool(2); + private static final String MOCK_CONN_STR = "mocked-connection"; + @BeforeClass public static void beforeClass() { - METRICS = new MetricsConnection("mocked-connection", () -> BATCH_POOL, () -> null); + METRICS = MetricsConnection.getMetricsConnection(MOCK_CONN_STR, () -> BATCH_POOL, () -> null); } @AfterClass public static void afterClass() { - METRICS.shutdown(); + MetricsConnection.deleteMetricsConnection(MOCK_CONN_STR); } @Test @@ -84,13 +88,59 @@ public class TestMetricsConnection { AsyncConnectionImpl impl = new AsyncConnectionImpl(conf, null, "foo", User.getCurrent()); Optional metrics = impl.getConnectionMetrics(); assertTrue("Metrics should be present", metrics.isPresent()); - assertEquals(clusterId + "@" + Integer.toHexString(impl.hashCode()), metrics.get().scope); + assertEquals(clusterId + "@" + Integer.toHexString(impl.hashCode()), + metrics.get().getMetricScope()); conf.set(MetricsConnection.METRICS_SCOPE_KEY, scope); impl = new AsyncConnectionImpl(conf, null, "foo", User.getCurrent()); metrics = impl.getConnectionMetrics(); assertTrue("Metrics should be present", metrics.isPresent()); - assertEquals(scope, metrics.get().scope); + assertEquals(scope, metrics.get().getMetricScope()); + } + + @Test + public void testMetricsWithMutiConnections() throws IOException { + Configuration conf = new Configuration(); + conf.setBoolean(MetricsConnection.CLIENT_SIDE_METRICS_ENABLED_KEY, true); + conf.set(MetricsConnection.METRICS_SCOPE_KEY, "unit-test"); + + User user = User.getCurrent(); + + /* create multiple connections */ + final int num = 3; + AsyncConnectionImpl impl; + List connList = new ArrayList(); + for (int i = 0; i < num; i++) { + impl = new AsyncConnectionImpl(conf, null, null, user); + connList.add(impl); + } + + /* verify metrics presence */ + impl = connList.get(0); + Optional metrics = impl.getConnectionMetrics(); + assertTrue("Metrics should be present", metrics.isPresent()); + + /* verify connection count in a shared metrics */ + long count = metrics.get().getConnectionCount(); + assertEquals("Failed to verify connection count." + count, count, num); + + /* close some connections */ + for (int i = 0; i < num - 1; i++) { + connList.get(i).close(); + } + + /* verify metrics presence again */ + impl = connList.get(num - 1); + metrics = impl.getConnectionMetrics(); + assertTrue("Metrics should be present after some of connections are closed.", + metrics.isPresent()); + + /* verify count of remaining connections */ + count = metrics.get().getConnectionCount(); + assertEquals("Connection count suppose to be 1 but got: " + count, count, 1); + + /* shutdown */ + impl.close(); } @Test @@ -108,13 +158,13 @@ public class TestMetricsConnection { new ConnectionImplementation(conf, null, User.getCurrent(), mockRegistry); MetricsConnection metrics = impl.getConnectionMetrics(); assertNotNull("Metrics should be present", metrics); - assertEquals(clusterId + "@" + Integer.toHexString(impl.hashCode()), metrics.scope); + assertEquals(clusterId + "@" + Integer.toHexString(impl.hashCode()), metrics.getMetricScope()); conf.set(MetricsConnection.METRICS_SCOPE_KEY, scope); impl = new ConnectionImplementation(conf, null, User.getCurrent(), mockRegistry); metrics = impl.getConnectionMetrics(); assertNotNull("Metrics should be present", metrics); - assertEquals(scope, metrics.scope); + assertEquals(scope, metrics.getMetricScope()); } @Test @@ -154,12 +204,13 @@ public class TestMetricsConnection { } for (String method : new String[] { "Get", "Scan", "Mutate" }) { final String metricKey = "rpcCount_" + ClientService.getDescriptor().getName() + "_" + method; - final long metricVal = METRICS.rpcCounters.get(metricKey).getCount(); + final long metricVal = METRICS.getRpcCounters().get(metricKey).getCount(); assertTrue("metric: " + metricKey + " val: " + metricVal, metricVal >= loop); } - for (MetricsConnection.CallTracker t : new MetricsConnection.CallTracker[] { METRICS.getTracker, - METRICS.scanTracker, METRICS.multiTracker, METRICS.appendTracker, METRICS.deleteTracker, - METRICS.incrementTracker, METRICS.putTracker }) { + for (MetricsConnection.CallTracker t : new MetricsConnection.CallTracker[] { + METRICS.getGetTracker(), METRICS.getScanTracker(), METRICS.getMultiTracker(), + METRICS.getAppendTracker(), METRICS.getDeleteTracker(), METRICS.getIncrementTracker(), + METRICS.getPutTracker() }) { assertEquals("Failed to invoke callTimer on " + t, loop, t.callTimer.getCount()); assertEquals("Failed to invoke reqHist on " + t, loop, t.reqHist.getCount()); assertEquals("Failed to invoke respHist on " + t, loop, t.respHist.getCount()); diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/ClientPushbackTestBase.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/ClientPushbackTestBase.java index 0740275a9f8..fe6a89bdb26 100644 --- a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/ClientPushbackTestBase.java +++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/ClientPushbackTestBase.java @@ -142,14 +142,14 @@ public abstract class ClientPushbackTestBase { // time reported by above debug logging has significantly deviated. MetricsConnection metrics = getConnectionMetrics(); String name = server.getServerName() + "," + Bytes.toStringBinary(regionName); - MetricsConnection.RegionStats rsStats = metrics.serverStats.get(server).get(regionName); + MetricsConnection.RegionStats rsStats = metrics.getServerStats().get(server).get(regionName); assertEquals(name, rsStats.name); assertEquals(rsStats.heapOccupancyHist.getSnapshot().getMean(), (double) regionStats.getHeapOccupancyPercent(), 0.1); assertEquals(rsStats.memstoreLoadHist.getSnapshot().getMean(), (double) regionStats.getMemStoreLoadPercent(), 0.1); - MetricsConnection.RunnerStats runnerStats = metrics.runnerStats; + MetricsConnection.RunnerStats runnerStats = metrics.getRunnerStats(); assertEquals(1, runnerStats.delayRunners.getCount()); assertEquals(1, runnerStats.normalRunners.getCount()); diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestClientOperationTimeout.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestClientOperationTimeout.java index c851c786cc6..8ce49e9ee37 100644 --- a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestClientOperationTimeout.java +++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestClientOperationTimeout.java @@ -214,7 +214,7 @@ public class TestClientOperationTimeout { MetricsConnection metrics = ((ConnectionImplementation) specialConnection).getConnectionMetrics(); - long metaCacheNumClearServerPreFailure = metrics.metaCacheNumClearServer.getCount(); + long metaCacheNumClearServerPreFailure = metrics.getMetaCacheNumClearServer().getCount(); DELAY_META_SCAN = 400; List gets = new ArrayList<>(); @@ -232,7 +232,7 @@ public class TestClientOperationTimeout { // verify we do not clear the cache in this situation otherwise we will create pathological // feedback loop with multigets See: HBASE-27487 - long metaCacheNumClearServerPostFailure = metrics.metaCacheNumClearServer.getCount(); + long metaCacheNumClearServerPostFailure = metrics.getMetaCacheNumClearServer().getCount(); Assert.assertEquals(metaCacheNumClearServerPreFailure, metaCacheNumClearServerPostFailure); for (Throwable cause : expected.getCauses()) { diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMetaCache.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMetaCache.java index 777bb24d92b..87b704cbe9a 100644 --- a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMetaCache.java +++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMetaCache.java @@ -243,8 +243,8 @@ public class TestMetaCache { // obtain the client metrics MetricsConnection metrics = conn.getConnectionMetrics(); - long preGetRegionClears = metrics.metaCacheNumClearRegion.getCount(); - long preGetServerClears = metrics.metaCacheNumClearServer.getCount(); + long preGetRegionClears = metrics.getMetaCacheNumClearRegion().getCount(); + long preGetServerClears = metrics.getMetaCacheNumClearServer().getCount(); // attempt a get on the test table Get get = new Get(row); @@ -256,8 +256,8 @@ public class TestMetaCache { } // verify that no cache clearing took place - long postGetRegionClears = metrics.metaCacheNumClearRegion.getCount(); - long postGetServerClears = metrics.metaCacheNumClearServer.getCount(); + long postGetRegionClears = metrics.getMetaCacheNumClearRegion().getCount(); + long postGetServerClears = metrics.getMetaCacheNumClearServer().getCount(); assertEquals(preGetRegionClears, postGetRegionClears); assertEquals(preGetServerClears, postGetServerClears); } finally { diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMultiActionMetricsFromClient.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMultiActionMetricsFromClient.java index 21508b34f10..a155f10f8b7 100644 --- a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMultiActionMetricsFromClient.java +++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMultiActionMetricsFromClient.java @@ -77,9 +77,9 @@ public class TestMultiActionMetricsFromClient { mutator.close(); MetricsConnection metrics = conn.getConnectionMetrics(); - assertEquals(1, metrics.multiTracker.reqHist.getCount()); - assertEquals(3, metrics.numActionsPerServerHist.getSnapshot().getMean(), 1e-15); - assertEquals(1, metrics.numActionsPerServerHist.getCount()); + assertEquals(1, metrics.getMultiTracker().reqHist.getCount()); + assertEquals(3, metrics.getNumActionsPerServerHist().getSnapshot().getMean(), 1e-15); + assertEquals(1, metrics.getNumActionsPerServerHist().getCount()); } finally { conn.close(); } diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestReplicasClient.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestReplicasClient.java index 014748f9526..4c30c2edff0 100644 --- a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestReplicasClient.java +++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestReplicasClient.java @@ -542,8 +542,8 @@ public class TestReplicasClient { // reset ClusterConnection connection = (ClusterConnection) HTU.getConnection(); - Counter hedgedReadOps = connection.getConnectionMetrics().hedgedReadOps; - Counter hedgedReadWin = connection.getConnectionMetrics().hedgedReadWin; + Counter hedgedReadOps = connection.getConnectionMetrics().getHedgedReadOps(); + Counter hedgedReadWin = connection.getConnectionMetrics().getHedgedReadWin(); hedgedReadOps.dec(hedgedReadOps.getCount()); hedgedReadWin.dec(hedgedReadWin.getCount());