HDFS-14192. Track missing DFS operations in Statistics and StorageStatistics. Contributed by Ayush Saxena.

This commit is contained in:
Inigo Goiri 2019-01-16 10:14:22 -08:00
parent 104ef5df36
commit f048512bb8
3 changed files with 163 additions and 0 deletions

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@ -41,12 +41,15 @@ public class DFSOpsCountStatistics extends StorageStatistics {
/** This is for counting distributed file system operations. */ /** This is for counting distributed file system operations. */
public enum OpType { public enum OpType {
ADD_CACHE_DIRECTIVE("op_add_cache_directive"),
ADD_CACHE_POOL("op_add_cache_pool"),
ADD_EC_POLICY("op_add_ec_policy"), ADD_EC_POLICY("op_add_ec_policy"),
ALLOW_SNAPSHOT("op_allow_snapshot"), ALLOW_SNAPSHOT("op_allow_snapshot"),
APPEND(CommonStatisticNames.OP_APPEND), APPEND(CommonStatisticNames.OP_APPEND),
CONCAT("op_concat"), CONCAT("op_concat"),
COPY_FROM_LOCAL_FILE(CommonStatisticNames.OP_COPY_FROM_LOCAL_FILE), COPY_FROM_LOCAL_FILE(CommonStatisticNames.OP_COPY_FROM_LOCAL_FILE),
CREATE(CommonStatisticNames.OP_CREATE), CREATE(CommonStatisticNames.OP_CREATE),
CREATE_ENCRYPTION_ZONE("op_create_encryption_zone"),
CREATE_NON_RECURSIVE(CommonStatisticNames.OP_CREATE_NON_RECURSIVE), CREATE_NON_RECURSIVE(CommonStatisticNames.OP_CREATE_NON_RECURSIVE),
CREATE_SNAPSHOT("op_create_snapshot"), CREATE_SNAPSHOT("op_create_snapshot"),
CREATE_SYM_LINK("op_create_symlink"), CREATE_SYM_LINK("op_create_symlink"),
@ -61,6 +64,7 @@ public enum OpType {
GET_EC_CODECS("op_get_ec_codecs"), GET_EC_CODECS("op_get_ec_codecs"),
GET_EC_POLICY("op_get_ec_policy"), GET_EC_POLICY("op_get_ec_policy"),
GET_EC_POLICIES("op_get_ec_policies"), GET_EC_POLICIES("op_get_ec_policies"),
GET_ENCRYPTION_ZONE("op_get_encryption_zone"),
GET_FILE_BLOCK_LOCATIONS("op_get_file_block_locations"), GET_FILE_BLOCK_LOCATIONS("op_get_file_block_locations"),
GET_FILE_CHECKSUM(CommonStatisticNames.OP_GET_FILE_CHECKSUM), GET_FILE_CHECKSUM(CommonStatisticNames.OP_GET_FILE_CHECKSUM),
GET_FILE_LINK_STATUS("op_get_file_link_status"), GET_FILE_LINK_STATUS("op_get_file_link_status"),
@ -72,8 +76,13 @@ public enum OpType {
GET_STORAGE_POLICY("op_get_storage_policy"), GET_STORAGE_POLICY("op_get_storage_policy"),
GET_TRASH_ROOT("op_get_trash_root"), GET_TRASH_ROOT("op_get_trash_root"),
GET_XATTR("op_get_xattr"), GET_XATTR("op_get_xattr"),
LIST_CACHE_DIRECTIVE("op_list_cache_directive"),
LIST_CACHE_POOL("op_list_cache_pool"),
LIST_ENCRYPTION_ZONE("op_list_encryption_zone"),
LIST_LOCATED_STATUS(CommonStatisticNames.OP_LIST_LOCATED_STATUS), LIST_LOCATED_STATUS(CommonStatisticNames.OP_LIST_LOCATED_STATUS),
LIST_STATUS(CommonStatisticNames.OP_LIST_STATUS), LIST_STATUS(CommonStatisticNames.OP_LIST_STATUS),
MODIFY_CACHE_POOL("op_modify_cache_pool"),
MODIFY_CACHE_DIRECTIVE("op_modify_cache_directive"),
MKDIRS(CommonStatisticNames.OP_MKDIRS), MKDIRS(CommonStatisticNames.OP_MKDIRS),
MODIFY_ACL_ENTRIES(CommonStatisticNames.OP_MODIFY_ACL_ENTRIES), MODIFY_ACL_ENTRIES(CommonStatisticNames.OP_MODIFY_ACL_ENTRIES),
OPEN(CommonStatisticNames.OP_OPEN), OPEN(CommonStatisticNames.OP_OPEN),
@ -81,16 +90,21 @@ public enum OpType {
PRIMITIVE_MKDIR("op_primitive_mkdir"), PRIMITIVE_MKDIR("op_primitive_mkdir"),
REMOVE_ACL(CommonStatisticNames.OP_REMOVE_ACL), REMOVE_ACL(CommonStatisticNames.OP_REMOVE_ACL),
REMOVE_ACL_ENTRIES(CommonStatisticNames.OP_REMOVE_ACL_ENTRIES), REMOVE_ACL_ENTRIES(CommonStatisticNames.OP_REMOVE_ACL_ENTRIES),
REMOVE_CACHE_DIRECTIVE("op_remove_cache_directive"),
REMOVE_CACHE_POOL("op_remove_cache_pool"),
REMOVE_DEFAULT_ACL(CommonStatisticNames.OP_REMOVE_DEFAULT_ACL), REMOVE_DEFAULT_ACL(CommonStatisticNames.OP_REMOVE_DEFAULT_ACL),
REMOVE_EC_POLICY("op_remove_ec_policy"), REMOVE_EC_POLICY("op_remove_ec_policy"),
REMOVE_XATTR("op_remove_xattr"), REMOVE_XATTR("op_remove_xattr"),
RENAME(CommonStatisticNames.OP_RENAME), RENAME(CommonStatisticNames.OP_RENAME),
RENAME_SNAPSHOT("op_rename_snapshot"), RENAME_SNAPSHOT("op_rename_snapshot"),
RESOLVE_LINK("op_resolve_link"), RESOLVE_LINK("op_resolve_link"),
SATISFY_STORAGE_POLICY("op_satisfy_storagepolicy"),
SET_ACL(CommonStatisticNames.OP_SET_ACL), SET_ACL(CommonStatisticNames.OP_SET_ACL),
SET_EC_POLICY("op_set_ec_policy"), SET_EC_POLICY("op_set_ec_policy"),
SET_OWNER(CommonStatisticNames.OP_SET_OWNER), SET_OWNER(CommonStatisticNames.OP_SET_OWNER),
SET_PERMISSION(CommonStatisticNames.OP_SET_PERMISSION), SET_PERMISSION(CommonStatisticNames.OP_SET_PERMISSION),
SET_QUOTA_BYTSTORAGEYPE("op_set_quota_bystoragetype"),
SET_QUOTA_USAGE("op_set_quota_usage"),
SET_REPLICATION("op_set_replication"), SET_REPLICATION("op_set_replication"),
SET_STORAGE_POLICY("op_set_storagePolicy"), SET_STORAGE_POLICY("op_set_storagePolicy"),
SET_TIMES(CommonStatisticNames.OP_SET_TIMES), SET_TIMES(CommonStatisticNames.OP_SET_TIMES),

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@ -1002,6 +1002,8 @@ public QuotaUsage next(final FileSystem fs, final Path p)
*/ */
public void setQuota(Path src, final long namespaceQuota, public void setQuota(Path src, final long namespaceQuota,
final long storagespaceQuota) throws IOException { final long storagespaceQuota) throws IOException {
statistics.incrementWriteOps(1);
storageStatistics.incrementOpCounter(OpType.SET_QUOTA_USAGE);
Path absF = fixRelativePart(src); Path absF = fixRelativePart(src);
new FileSystemLinkResolver<Void>() { new FileSystemLinkResolver<Void>() {
@Override @Override
@ -1030,6 +1032,8 @@ public Void next(final FileSystem fs, final Path p)
public void setQuotaByStorageType(Path src, final StorageType type, public void setQuotaByStorageType(Path src, final StorageType type,
final long quota) final long quota)
throws IOException { throws IOException {
statistics.incrementWriteOps(1);
storageStatistics.incrementOpCounter(OpType.SET_QUOTA_BYTSTORAGEYPE);
Path absF = fixRelativePart(src); Path absF = fixRelativePart(src);
new FileSystemLinkResolver<Void>() { new FileSystemLinkResolver<Void>() {
@Override @Override
@ -2222,6 +2226,8 @@ public long addCacheDirective(CacheDirectiveInfo info) throws IOException {
*/ */
public long addCacheDirective( public long addCacheDirective(
CacheDirectiveInfo info, EnumSet<CacheFlag> flags) throws IOException { CacheDirectiveInfo info, EnumSet<CacheFlag> flags) throws IOException {
statistics.incrementWriteOps(1);
storageStatistics.incrementOpCounter(OpType.ADD_CACHE_DIRECTIVE);
Preconditions.checkNotNull(info.getPath()); Preconditions.checkNotNull(info.getPath());
Path path = new Path(getPathName(fixRelativePart(info.getPath()))). Path path = new Path(getPathName(fixRelativePart(info.getPath()))).
makeQualified(getUri(), getWorkingDirectory()); makeQualified(getUri(), getWorkingDirectory());
@ -2249,6 +2255,8 @@ public void modifyCacheDirective(CacheDirectiveInfo info) throws IOException {
*/ */
public void modifyCacheDirective( public void modifyCacheDirective(
CacheDirectiveInfo info, EnumSet<CacheFlag> flags) throws IOException { CacheDirectiveInfo info, EnumSet<CacheFlag> flags) throws IOException {
statistics.incrementWriteOps(1);
storageStatistics.incrementOpCounter(OpType.MODIFY_CACHE_DIRECTIVE);
if (info.getPath() != null) { if (info.getPath() != null) {
info = new CacheDirectiveInfo.Builder(info). info = new CacheDirectiveInfo.Builder(info).
setPath(new Path(getPathName(fixRelativePart(info.getPath()))). setPath(new Path(getPathName(fixRelativePart(info.getPath()))).
@ -2265,6 +2273,8 @@ public void modifyCacheDirective(
*/ */
public void removeCacheDirective(long id) public void removeCacheDirective(long id)
throws IOException { throws IOException {
statistics.incrementWriteOps(1);
storageStatistics.incrementOpCounter(OpType.REMOVE_CACHE_DIRECTIVE);
dfs.removeCacheDirective(id); dfs.removeCacheDirective(id);
} }
@ -2277,6 +2287,8 @@ public void removeCacheDirective(long id)
*/ */
public RemoteIterator<CacheDirectiveEntry> listCacheDirectives( public RemoteIterator<CacheDirectiveEntry> listCacheDirectives(
CacheDirectiveInfo filter) throws IOException { CacheDirectiveInfo filter) throws IOException {
statistics.incrementReadOps(1);
storageStatistics.incrementOpCounter(OpType.LIST_CACHE_DIRECTIVE);
if (filter == null) { if (filter == null) {
filter = new CacheDirectiveInfo.Builder().build(); filter = new CacheDirectiveInfo.Builder().build();
} }
@ -2317,6 +2329,8 @@ public CacheDirectiveEntry next() throws IOException {
* If the request could not be completed. * If the request could not be completed.
*/ */
public void addCachePool(CachePoolInfo info) throws IOException { public void addCachePool(CachePoolInfo info) throws IOException {
statistics.incrementWriteOps(1);
storageStatistics.incrementOpCounter(OpType.ADD_CACHE_POOL);
CachePoolInfo.validate(info); CachePoolInfo.validate(info);
dfs.addCachePool(info); dfs.addCachePool(info);
} }
@ -2330,6 +2344,8 @@ public void addCachePool(CachePoolInfo info) throws IOException {
* If the request could not be completed. * If the request could not be completed.
*/ */
public void modifyCachePool(CachePoolInfo info) throws IOException { public void modifyCachePool(CachePoolInfo info) throws IOException {
statistics.incrementWriteOps(1);
storageStatistics.incrementOpCounter(OpType.MODIFY_CACHE_POOL);
CachePoolInfo.validate(info); CachePoolInfo.validate(info);
dfs.modifyCachePool(info); dfs.modifyCachePool(info);
} }
@ -2343,6 +2359,8 @@ public void modifyCachePool(CachePoolInfo info) throws IOException {
* if the cache pool did not exist, or could not be removed. * if the cache pool did not exist, or could not be removed.
*/ */
public void removeCachePool(String poolName) throws IOException { public void removeCachePool(String poolName) throws IOException {
statistics.incrementWriteOps(1);
storageStatistics.incrementOpCounter(OpType.REMOVE_CACHE_POOL);
CachePoolInfo.validateName(poolName); CachePoolInfo.validateName(poolName);
dfs.removeCachePool(poolName); dfs.removeCachePool(poolName);
} }
@ -2356,6 +2374,8 @@ public void removeCachePool(String poolName) throws IOException {
* If there was an error listing cache pools. * If there was an error listing cache pools.
*/ */
public RemoteIterator<CachePoolEntry> listCachePools() throws IOException { public RemoteIterator<CachePoolEntry> listCachePools() throws IOException {
statistics.incrementReadOps(1);
storageStatistics.incrementOpCounter(OpType.LIST_CACHE_POOL);
return dfs.listCachePools(); return dfs.listCachePools();
} }
@ -2497,6 +2517,8 @@ public AclStatus next(final FileSystem fs, final Path p)
/* HDFS only */ /* HDFS only */
public void createEncryptionZone(final Path path, final String keyName) public void createEncryptionZone(final Path path, final String keyName)
throws IOException { throws IOException {
statistics.incrementWriteOps(1);
storageStatistics.incrementOpCounter(OpType.CREATE_ENCRYPTION_ZONE);
Path absF = fixRelativePart(path); Path absF = fixRelativePart(path);
new FileSystemLinkResolver<Void>() { new FileSystemLinkResolver<Void>() {
@Override @Override
@ -2524,6 +2546,8 @@ public Void next(final FileSystem fs, final Path p) throws IOException {
/* HDFS only */ /* HDFS only */
public EncryptionZone getEZForPath(final Path path) public EncryptionZone getEZForPath(final Path path)
throws IOException { throws IOException {
statistics.incrementReadOps(1);
storageStatistics.incrementOpCounter(OpType.GET_ENCRYPTION_ZONE);
Preconditions.checkNotNull(path); Preconditions.checkNotNull(path);
Path absF = fixRelativePart(path); Path absF = fixRelativePart(path);
return new FileSystemLinkResolver<EncryptionZone>() { return new FileSystemLinkResolver<EncryptionZone>() {
@ -2551,6 +2575,8 @@ public EncryptionZone next(final FileSystem fs, final Path p)
/* HDFS only */ /* HDFS only */
public RemoteIterator<EncryptionZone> listEncryptionZones() public RemoteIterator<EncryptionZone> listEncryptionZones()
throws IOException { throws IOException {
statistics.incrementReadOps(1);
storageStatistics.incrementOpCounter(OpType.LIST_ENCRYPTION_ZONE);
return dfs.listEncryptionZones(); return dfs.listEncryptionZones();
} }
@ -2875,6 +2901,8 @@ public Void next(final FileSystem fs, final Path p) throws IOException {
* @throws IOException * @throws IOException
*/ */
public void satisfyStoragePolicy(final Path path) throws IOException { public void satisfyStoragePolicy(final Path path) throws IOException {
statistics.incrementWriteOps(1);
storageStatistics.incrementOpCounter(OpType.SATISFY_STORAGE_POLICY);
Path absF = fixRelativePart(path); Path absF = fixRelativePart(path);
new FileSystemLinkResolver<Void>() { new FileSystemLinkResolver<Void>() {

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@ -37,6 +37,7 @@
import java.net.ServerSocket; import java.net.ServerSocket;
import java.net.SocketTimeoutException; import java.net.SocketTimeoutException;
import java.net.URI; import java.net.URI;
import java.security.NoSuchAlgorithmException;
import java.security.PrivilegedExceptionAction; import java.security.PrivilegedExceptionAction;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Collections; import java.util.Collections;
@ -46,13 +47,17 @@
import java.util.List; import java.util.List;
import java.util.Random; import java.util.Random;
import java.util.Set; import java.util.Set;
import java.util.UUID;
import java.util.concurrent.CountDownLatch; import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService; import java.util.concurrent.ExecutorService;
import java.util.concurrent.atomic.AtomicReference; import java.util.concurrent.atomic.AtomicReference;
import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.crypto.key.JavaKeyStoreProvider;
import org.apache.hadoop.crypto.key.KeyProvider;
import org.apache.hadoop.fs.BlockLocation; import org.apache.hadoop.fs.BlockLocation;
import org.apache.hadoop.fs.CommonConfigurationKeys; import org.apache.hadoop.fs.CommonConfigurationKeys;
import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
import org.apache.hadoop.fs.CreateFlag; import org.apache.hadoop.fs.CreateFlag;
import org.apache.hadoop.fs.FSDataInputStream; import org.apache.hadoop.fs.FSDataInputStream;
import org.apache.hadoop.fs.FSDataOutputStream; import org.apache.hadoop.fs.FSDataOutputStream;
@ -78,10 +83,13 @@
import org.apache.hadoop.hdfs.client.impl.LeaseRenewer; import org.apache.hadoop.hdfs.client.impl.LeaseRenewer;
import org.apache.hadoop.hdfs.DFSOpsCountStatistics.OpType; import org.apache.hadoop.hdfs.DFSOpsCountStatistics.OpType;
import org.apache.hadoop.hdfs.net.Peer; import org.apache.hadoop.hdfs.net.Peer;
import org.apache.hadoop.hdfs.protocol.CacheDirectiveInfo;
import org.apache.hadoop.hdfs.protocol.CachePoolInfo;
import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy; import org.apache.hadoop.hdfs.protocol.ErasureCodingPolicy;
import org.apache.hadoop.hdfs.protocol.HdfsConstants; import org.apache.hadoop.hdfs.protocol.HdfsConstants;
import org.apache.hadoop.hdfs.protocol.HdfsConstants.RollingUpgradeAction; import org.apache.hadoop.hdfs.protocol.HdfsConstants.RollingUpgradeAction;
import org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction; import org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction;
import org.apache.hadoop.hdfs.protocol.HdfsConstants.StoragePolicySatisfierMode;
import org.apache.hadoop.hdfs.protocol.LocatedBlock; import org.apache.hadoop.hdfs.protocol.LocatedBlock;
import org.apache.hadoop.hdfs.server.datanode.DataNode; import org.apache.hadoop.hdfs.server.datanode.DataNode;
import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi; import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi;
@ -775,6 +783,119 @@ public void testStatistics() throws IOException {
} }
} }
@Test
public void testStatistics2() throws IOException, NoSuchAlgorithmException {
HdfsConfiguration conf = new HdfsConfiguration();
conf.set(DFSConfigKeys.DFS_STORAGE_POLICY_SATISFIER_MODE_KEY,
StoragePolicySatisfierMode.EXTERNAL.toString());
File tmpDir = GenericTestUtils.getTestDir(UUID.randomUUID().toString());
final Path jksPath = new Path(tmpDir.toString(), "test.jks");
conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
JavaKeyStoreProvider.SCHEME_NAME + "://file" + jksPath.toUri());
try (MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).build()) {
cluster.waitActive();
final DistributedFileSystem dfs = cluster.getFileSystem();
Path dir = new Path("/testStat");
dfs.mkdirs(dir);
int readOps = 0;
int writeOps = 0;
FileSystem.clearStatistics();
// Quota Commands.
long opCount = getOpStatistics(OpType.SET_QUOTA_USAGE);
dfs.setQuota(dir, 100, 1000);
checkStatistics(dfs, readOps, ++writeOps, 0);
checkOpStatistics(OpType.SET_QUOTA_USAGE, opCount + 1);
opCount = getOpStatistics(OpType.SET_QUOTA_BYTSTORAGEYPE);
dfs.setQuotaByStorageType(dir, StorageType.DEFAULT, 2000);
checkStatistics(dfs, readOps, ++writeOps, 0);
checkOpStatistics(OpType.SET_QUOTA_BYTSTORAGEYPE, opCount + 1);
opCount = getOpStatistics(OpType.GET_QUOTA_USAGE);
dfs.getQuotaUsage(dir);
checkStatistics(dfs, ++readOps, writeOps, 0);
checkOpStatistics(OpType.GET_QUOTA_USAGE, opCount + 1);
// Satisfy Storage Policy.
opCount = getOpStatistics(OpType.SATISFY_STORAGE_POLICY);
dfs.satisfyStoragePolicy(dir);
checkStatistics(dfs, readOps, ++writeOps, 0);
checkOpStatistics(OpType.SATISFY_STORAGE_POLICY, opCount + 1);
// Cache Commands.
CachePoolInfo cacheInfo =
new CachePoolInfo("pool1").setMode(new FsPermission((short) 0));
opCount = getOpStatistics(OpType.ADD_CACHE_POOL);
dfs.addCachePool(cacheInfo);
checkStatistics(dfs, readOps, ++writeOps, 0);
checkOpStatistics(OpType.ADD_CACHE_POOL, opCount + 1);
CacheDirectiveInfo directive = new CacheDirectiveInfo.Builder()
.setPath(new Path(".")).setPool("pool1").build();
opCount = getOpStatistics(OpType.ADD_CACHE_DIRECTIVE);
long id = dfs.addCacheDirective(directive);
checkStatistics(dfs, readOps, ++writeOps, 0);
checkOpStatistics(OpType.ADD_CACHE_DIRECTIVE, opCount + 1);
opCount = getOpStatistics(OpType.LIST_CACHE_DIRECTIVE);
dfs.listCacheDirectives(null);
checkStatistics(dfs, ++readOps, writeOps, 0);
checkOpStatistics(OpType.LIST_CACHE_DIRECTIVE, opCount + 1);
opCount = getOpStatistics(OpType.MODIFY_CACHE_DIRECTIVE);
dfs.modifyCacheDirective(new CacheDirectiveInfo.Builder().setId(id)
.setReplication((short) 2).build());
checkStatistics(dfs, readOps, ++writeOps, 0);
checkOpStatistics(OpType.MODIFY_CACHE_DIRECTIVE, opCount + 1);
opCount = getOpStatistics(OpType.REMOVE_CACHE_DIRECTIVE);
dfs.removeCacheDirective(id);
checkStatistics(dfs, readOps, ++writeOps, 0);
checkOpStatistics(OpType.REMOVE_CACHE_DIRECTIVE, opCount + 1);
opCount = getOpStatistics(OpType.MODIFY_CACHE_POOL);
dfs.modifyCachePool(cacheInfo);
checkStatistics(dfs, readOps, ++writeOps, 0);
checkOpStatistics(OpType.MODIFY_CACHE_POOL, opCount + 1);
opCount = getOpStatistics(OpType.LIST_CACHE_POOL);
dfs.listCachePools();
checkStatistics(dfs, ++readOps, writeOps, 0);
checkOpStatistics(OpType.LIST_CACHE_POOL, opCount + 1);
opCount = getOpStatistics(OpType.REMOVE_CACHE_POOL);
dfs.removeCachePool(cacheInfo.getPoolName());
checkStatistics(dfs, readOps, ++writeOps, 0);
checkOpStatistics(OpType.REMOVE_CACHE_POOL, opCount + 1);
// Crypto Commands.
final KeyProvider provider =
cluster.getNameNode().getNamesystem().getProvider();
final KeyProvider.Options options = KeyProvider.options(conf);
provider.createKey("key", options);
provider.flush();
opCount = getOpStatistics(OpType.CREATE_ENCRYPTION_ZONE);
dfs.createEncryptionZone(dir, "key");
checkStatistics(dfs, readOps, ++writeOps, 0);
checkOpStatistics(OpType.CREATE_ENCRYPTION_ZONE, opCount + 1);
opCount = getOpStatistics(OpType.LIST_ENCRYPTION_ZONE);
dfs.listEncryptionZones();
checkStatistics(dfs, ++readOps, writeOps, 0);
checkOpStatistics(OpType.LIST_ENCRYPTION_ZONE, opCount + 1);
opCount = getOpStatistics(OpType.GET_ENCRYPTION_ZONE);
dfs.getEZForPath(dir);
checkStatistics(dfs, ++readOps, writeOps, 0);
checkOpStatistics(OpType.GET_ENCRYPTION_ZONE, opCount + 1);
}
}
@Test @Test
public void testECStatistics() throws IOException { public void testECStatistics() throws IOException {
try (MiniDFSCluster cluster = try (MiniDFSCluster cluster =