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mmuzaf pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/ignite.git


The following commit(s) were added to refs/heads/master by this push:
     new 55a4cf5  IGNITE-12919: Renamed lost occurrences of GridUuid to 
IgniteUuid (#7699)
55a4cf5 is described below

commit 55a4cf58dc1deb49f5abfe67e48517f305c29554
Author: Nikita Amelchev <nsamelc...@gmail.com>
AuthorDate: Tue Apr 21 16:29:33 2020 +0300

    IGNITE-12919: Renamed lost occurrences of GridUuid to IgniteUuid (#7699)
---
 .../apache/ignite/internal/GridJobContextImpl.java |  4 +--
 .../apache/ignite/internal/GridJobSiblingImpl.java |  8 ++---
 .../java/org/apache/ignite/internal/GridTopic.java | 12 +++----
 .../deployment/GridDeploymentInfoBean.java         |  4 +--
 .../processors/affinity/GridAffinityMessage.java   |  4 +--
 .../datastructures/CacheDataStructuresManager.java |  8 ++---
 .../cache/distributed/dht/GridDhtLockFuture.java   |  4 +--
 .../cache/transactions/IgniteTxAdapter.java        |  4 +--
 .../processors/cache/version/GridCacheVersion.java |  4 +--
 .../datastructures/GridCacheQueueAdapter.java      | 16 ++++-----
 .../datastructures/GridCacheQueueHeader.java       |  4 +--
 .../datastructures/GridCacheQueueItemKey.java      |  4 +--
 .../datastructures/GridCacheSetHeader.java         |  4 +--
 .../datastructures/GridCacheSetItemKey.java        |  4 +--
 .../datastructures/GridSetQueryPredicate.java      |  4 +--
 .../internal/processors/igfs/IgfsBlockKey.java     |  8 ++---
 .../internal/processors/igfs/IgfsEntryInfo.java    |  4 +--
 .../processors/igfs/IgfsFileAffinityRange.java     |  4 +--
 .../internal/processors/igfs/IgfsFileInfo.java     |  8 ++---
 .../internal/processors/igfs/IgfsListingEntry.java |  4 +--
 .../ignite/internal/processors/igfs/IgfsUtils.java |  4 +--
 .../IgfsMetaDirectoryListingRemoveProcessor.java   |  4 +--
 .../IgfsMetaDirectoryListingReplaceProcessor.java  |  4 +--
 .../igfs/meta/IgfsMetaFileCreateProcessor.java     |  8 ++---
 .../igfs/meta/IgfsMetaFileLockProcessor.java       |  4 +--
 .../apache/ignite/internal/util/IgniteUtils.java   | 38 +++++++++++-----------
 .../ignite/internal/visor/cache/VisorCache.java    |  4 +--
 .../visor/cache/VisorCacheConfiguration.java       |  4 +--
 .../compute/VisorComputeCancelSessionTaskArg.java  |  4 +--
 .../internal/visor/event/VisorGridEvent.java       |  4 +--
 .../internal/visor/event/VisorGridJobEvent.java    |  8 ++---
 .../internal/visor/event/VisorGridTaskEvent.java   |  4 +--
 .../node/VisorNodeEventsCollectorTaskArg.java      |  4 +--
 .../internal/visor/tx/FetchNearXidVersionTask.java |  2 +-
 .../ignite/internal/visor/tx/TxVerboseId.java      |  4 +--
 .../ignite/internal/visor/tx/VisorTxInfo.java      |  8 ++---
 .../ignite/internal/visor/tx/VisorTxTask.java      |  6 ++--
 .../java/org/apache/ignite/lang/IgniteUuid.java    | 20 ++++++------
 .../internal/GridTopicExternalizableSelfTest.java  | 14 ++++----
 .../TxPartitionCounterStateAbstractTest.java       | 20 ++++++------
 ...rtitionCounterStateOnePrimaryOneBackupTest.java |  2 +-
 .../org/apache/ignite/lang/IgniteUuidSelfTest.java | 32 +++++++++---------
 .../GridTcpCommunicationBenchmark.java             | 12 +++----
 .../loadtests/communication/GridTestMessage.java   |  4 +--
 44 files changed, 167 insertions(+), 167 deletions(-)

diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/GridJobContextImpl.java 
b/modules/core/src/main/java/org/apache/ignite/internal/GridJobContextImpl.java
index b4b2be7..9e62e6a 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/GridJobContextImpl.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/GridJobContextImpl.java
@@ -272,14 +272,14 @@ public class GridJobContextImpl implements 
ComputeJobContext, Externalizable {
     /** {@inheritDoc} */
     @Override public void writeExternal(ObjectOutput out) throws IOException {
         out.writeObject(ctx);
-        U.writeGridUuid(out, jobId);
+        U.writeIgniteUuid(out, jobId);
         U.writeMap(out, getAttributes());
     }
 
     /** {@inheritDoc} */
     @Override public void readExternal(ObjectInput in) throws IOException, 
ClassNotFoundException {
         ctx = (GridKernalContext)in.readObject();
-        jobId = U.readGridUuid(in);
+        jobId = U.readIgniteUuid(in);
         attrs = U.readMap(in);
     }
 
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/GridJobSiblingImpl.java 
b/modules/core/src/main/java/org/apache/ignite/internal/GridJobSiblingImpl.java
index 6d2da87..5004aa9 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/GridJobSiblingImpl.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/GridJobSiblingImpl.java
@@ -176,15 +176,15 @@ public class GridJobSiblingImpl implements 
ComputeJobSibling, Externalizable {
     /** {@inheritDoc} */
     @Override public void writeExternal(ObjectOutput out) throws IOException {
         // Don't serialize node ID.
-        U.writeGridUuid(out, sesId);
-        U.writeGridUuid(out, jobId);
+        U.writeIgniteUuid(out, sesId);
+        U.writeIgniteUuid(out, jobId);
     }
 
     /** {@inheritDoc} */
     @Override public void readExternal(ObjectInput in) throws IOException, 
ClassNotFoundException {
         // Don't serialize node ID.
-        sesId = U.readGridUuid(in);
-        jobId = U.readGridUuid(in);
+        sesId = U.readIgniteUuid(in);
+        jobId = U.readIgniteUuid(in);
     }
 
     /** {@inheritDoc} */
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/GridTopic.java 
b/modules/core/src/main/java/org/apache/ignite/internal/GridTopic.java
index 5e357c7..a76ce4a 100644
--- a/modules/core/src/main/java/org/apache/ignite/internal/GridTopic.java
+++ b/modules/core/src/main/java/org/apache/ignite/internal/GridTopic.java
@@ -289,13 +289,13 @@ public enum GridTopic {
         /** {@inheritDoc} */
         @Override public void writeExternal(ObjectOutput out) throws 
IOException {
             out.writeByte(topic.ordinal());
-            U.writeGridUuid(out, id);
+            U.writeIgniteUuid(out, id);
         }
 
         /** {@inheritDoc} */
         @Override public void readExternal(ObjectInput in) throws IOException, 
ClassNotFoundException {
             topic = fromOrdinal(in.readByte());
-            id = U.readGridUuid(in);
+            id = U.readIgniteUuid(in);
         }
 
         /** {@inheritDoc} */
@@ -357,14 +357,14 @@ public enum GridTopic {
         /** {@inheritDoc} */
         @Override public void writeExternal(ObjectOutput out) throws 
IOException {
             out.writeByte(topic.ordinal());
-            U.writeGridUuid(out, id1);
+            U.writeIgniteUuid(out, id1);
             U.writeUuid(out, id2);
         }
 
         /** {@inheritDoc} */
         @Override public void readExternal(ObjectInput in) throws IOException, 
ClassNotFoundException {
             topic = fromOrdinal(in.readByte());
-            id1 = U.readGridUuid(in);
+            id1 = U.readIgniteUuid(in);
             id2 = U.readUuid(in);
         }
 
@@ -799,14 +799,14 @@ public enum GridTopic {
         /** {@inheritDoc} */
         @Override public void writeExternal(ObjectOutput out) throws 
IOException {
             out.writeByte(topic.ordinal());
-            U.writeGridUuid(out, id1);
+            U.writeIgniteUuid(out, id1);
             out.writeLong(id2);
         }
 
         /** {@inheritDoc} */
         @Override public void readExternal(ObjectInput in) throws IOException, 
ClassNotFoundException {
             topic = fromOrdinal(in.readByte());
-            id1 = U.readGridUuid(in);
+            id1 = U.readIgniteUuid(in);
             id2 = in.readLong();
         }
 
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/managers/deployment/GridDeploymentInfoBean.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/managers/deployment/GridDeploymentInfoBean.java
index 72f5ec6..d663833 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/managers/deployment/GridDeploymentInfoBean.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/managers/deployment/GridDeploymentInfoBean.java
@@ -257,7 +257,7 @@ public class GridDeploymentInfoBean implements Message, 
GridDeploymentInfo, Exte
 
     /** {@inheritDoc} */
     @Override public void writeExternal(ObjectOutput out) throws IOException {
-        U.writeGridUuid(out, clsLdrId);
+        U.writeIgniteUuid(out, clsLdrId);
         U.writeEnum(out, depMode);
         U.writeString(out, userVer);
         out.writeBoolean(locDepOwner);
@@ -266,7 +266,7 @@ public class GridDeploymentInfoBean implements Message, 
GridDeploymentInfo, Exte
 
     /** {@inheritDoc} */
     @Override public void readExternal(ObjectInput in) throws IOException, 
ClassNotFoundException {
-        clsLdrId = U.readGridUuid(in);
+        clsLdrId = U.readIgniteUuid(in);
         depMode = DeploymentMode.fromOrdinal(in.readByte());
         userVer = U.readString(in);
         locDepOwner = in.readBoolean();
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/affinity/GridAffinityMessage.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/affinity/GridAffinityMessage.java
index 7bca4db..8edac74 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/affinity/GridAffinityMessage.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/affinity/GridAffinityMessage.java
@@ -134,7 +134,7 @@ class GridAffinityMessage implements Externalizable {
 
         out.writeInt(depMode.ordinal());
 
-        U.writeGridUuid(out, clsLdrId);
+        U.writeIgniteUuid(out, clsLdrId);
         U.writeString(out, srcClsName);
         U.writeString(out, userVer);
         U.writeMap(out, ldrParties);
@@ -146,7 +146,7 @@ class GridAffinityMessage implements Externalizable {
 
         depMode = DeploymentMode.fromOrdinal(in.readInt());
 
-        clsLdrId = U.readGridUuid(in);
+        clsLdrId = U.readIgniteUuid(in);
         srcClsName = U.readString(in);
         userVer = U.readString(in);
         ldrParties = U.readMap(in);
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/datastructures/CacheDataStructuresManager.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/datastructures/CacheDataStructuresManager.java
index 8c44852..48b9292 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/datastructures/CacheDataStructuresManager.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/datastructures/CacheDataStructuresManager.java
@@ -658,13 +658,13 @@ public class CacheDataStructuresManager extends 
GridCacheManagerAdapter {
 
         /** {@inheritDoc} */
         @Override public void writeExternal(ObjectOutput out) throws 
IOException {
-            U.writeGridUuid(out, setId);
+            U.writeIgniteUuid(out, setId);
             U.writeString(out, cacheName);
         }
 
         /** {@inheritDoc} */
         @Override public void readExternal(ObjectInput in) throws IOException, 
ClassNotFoundException {
-            setId = U.readGridUuid(in);
+            setId = U.readIgniteUuid(in);
             cacheName = U.readString(in);
         }
 
@@ -738,14 +738,14 @@ public class CacheDataStructuresManager extends 
GridCacheManagerAdapter {
         /** {@inheritDoc} */
         @Override public void writeExternal(ObjectOutput out) throws 
IOException {
             U.writeString(out, cacheName);
-            U.writeGridUuid(out, setId);
+            U.writeIgniteUuid(out, setId);
             out.writeObject(topVer);
         }
 
         /** {@inheritDoc} */
         @Override public void readExternal(ObjectInput in) throws IOException, 
ClassNotFoundException {
             cacheName = U.readString(in);
-            setId = U.readGridUuid(in);
+            setId = U.readIgniteUuid(in);
             topVer = (AffinityTopologyVersion)in.readObject();
         }
 
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/distributed/dht/GridDhtLockFuture.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/distributed/dht/GridDhtLockFuture.java
index 3c9955a..01cd2a9 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/distributed/dht/GridDhtLockFuture.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/distributed/dht/GridDhtLockFuture.java
@@ -1205,7 +1205,7 @@ public final class GridDhtLockFuture extends 
GridCacheCompoundIdentityFuture<Boo
             sb.append("Transaction tx=").append(tx.getClass().getSimpleName());
             sb.append(" [xid=").append(tx.xid());
             sb.append(", xidVer=").append(tx.xidVersion());
-            sb.append(", nearXid=").append(tx.nearXidVersion().asGridUuid());
+            sb.append(", nearXid=").append(tx.nearXidVersion().asIgniteUuid());
             sb.append(", nearXidVer=").append(tx.nearXidVersion());
             sb.append(", nearNodeId=").append(tx.nearNodeId());
             sb.append(", label=").append(tx.label());
@@ -1231,7 +1231,7 @@ public final class GridDhtLockFuture extends 
GridCacheCompoundIdentityFuture<Boo
                                 sb.append("key=").append(key).append(", 
owner=");
                                 sb.append("[xid=").append(itx.xid()).append(", 
");
                                 
sb.append("xidVer=").append(itx.xidVersion()).append(", ");
-                                
sb.append("nearXid=").append(itx.nearXidVersion().asGridUuid()).append(", ");
+                                
sb.append("nearXid=").append(itx.nearXidVersion().asIgniteUuid()).append(", ");
                                 
sb.append("nearXidVer=").append(itx.nearXidVersion()).append(", ");
                                 
sb.append("label=").append(itx.label()).append(", ");
                                 
sb.append("nearNodeId=").append(candidate.otherNodeId()).append("]");
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/transactions/IgniteTxAdapter.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/transactions/IgniteTxAdapter.java
index fff1214..0130dcc 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/transactions/IgniteTxAdapter.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/transactions/IgniteTxAdapter.java
@@ -696,7 +696,7 @@ public abstract class IgniteTxAdapter extends 
GridMetadataAwareAdapter implement
 
     /** {@inheritDoc} */
     @Override public IgniteUuid xid() {
-        return xidVer.asGridUuid();
+        return xidVer.asIgniteUuid();
     }
 
     /** {@inheritDoc} */
@@ -1969,7 +1969,7 @@ public abstract class IgniteTxAdapter extends 
GridMetadataAwareAdapter implement
      */
     protected Object readResolve() throws ObjectStreamException {
         return new TxShadow(
-            xidVer.asGridUuid(),
+            xidVer.asIgniteUuid(),
             nodeId,
             threadId,
             startTime,
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/version/GridCacheVersion.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/version/GridCacheVersion.java
index c9987cd..4f4f9d0 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/version/GridCacheVersion.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/cache/version/GridCacheVersion.java
@@ -169,9 +169,9 @@ public class GridCacheVersion implements Message, 
Comparable<GridCacheVersion>,
     }
 
     /**
-     * @return Version represented as {@code GridUuid}
+     * @return Version represented as {@code IgniteUuid}
      */
-    public IgniteUuid asGridUuid() {
+    public IgniteUuid asIgniteUuid() {
         return new IgniteUuid(new UUID(topVer, nodeOrderDrId), order);
     }
 
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridCacheQueueAdapter.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridCacheQueueAdapter.java
index e7bde03..16cf76c 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridCacheQueueAdapter.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridCacheQueueAdapter.java
@@ -766,12 +766,12 @@ public abstract class GridCacheQueueAdapter<T> extends 
AbstractCollection<T> imp
 
         /** {@inheritDoc} */
         @Override public void writeExternal(ObjectOutput out) throws 
IOException {
-            U.writeGridUuid(out, id);
+            U.writeIgniteUuid(out, id);
         }
 
         /** {@inheritDoc} */
         @Override public void readExternal(ObjectInput in) throws IOException, 
ClassNotFoundException {
-            id = U.readGridUuid(in);
+            id = U.readIgniteUuid(in);
         }
     }
 
@@ -859,12 +859,12 @@ public abstract class GridCacheQueueAdapter<T> extends 
AbstractCollection<T> imp
 
         /** {@inheritDoc} */
         @Override public void writeExternal(ObjectOutput out) throws 
IOException {
-            U.writeGridUuid(out, id);
+            U.writeIgniteUuid(out, id);
         }
 
         /** {@inheritDoc} */
         @Override public void readExternal(ObjectInput in) throws IOException, 
ClassNotFoundException {
-            id = U.readGridUuid(in);
+            id = U.readIgniteUuid(in);
         }
     }
 
@@ -929,13 +929,13 @@ public abstract class GridCacheQueueAdapter<T> extends 
AbstractCollection<T> imp
 
         /** {@inheritDoc} */
         @Override public void writeExternal(ObjectOutput out) throws 
IOException {
-            U.writeGridUuid(out, id);
+            U.writeIgniteUuid(out, id);
             out.writeInt(size);
         }
 
         /** {@inheritDoc} */
         @Override public void readExternal(ObjectInput in) throws IOException, 
ClassNotFoundException {
-            id = U.readGridUuid(in);
+            id = U.readIgniteUuid(in);
             size = in.readInt();
         }
     }
@@ -1044,13 +1044,13 @@ public abstract class GridCacheQueueAdapter<T> extends 
AbstractCollection<T> imp
 
         /** {@inheritDoc} */
         @Override public void writeExternal(ObjectOutput out) throws 
IOException {
-            U.writeGridUuid(out, id);
+            U.writeIgniteUuid(out, id);
             out.writeObject(idx);
         }
 
         /** {@inheritDoc} */
         @Override public void readExternal(ObjectInput in) throws IOException, 
ClassNotFoundException {
-            id = U.readGridUuid(in);
+            id = U.readIgniteUuid(in);
             idx = (Long)in.readObject();
         }
     }
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridCacheQueueHeader.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridCacheQueueHeader.java
index c55bf3d..d0bf06b 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridCacheQueueHeader.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridCacheQueueHeader.java
@@ -163,7 +163,7 @@ public class GridCacheQueueHeader implements 
GridCacheInternal, Externalizable {
 
     /** {@inheritDoc} */
     @Override public void writeExternal(ObjectOutput out) throws IOException {
-        U.writeGridUuid(out, id);
+        U.writeIgniteUuid(out, id);
         out.writeInt(cap);
         out.writeBoolean(collocated);
         out.writeLong(head);
@@ -180,7 +180,7 @@ public class GridCacheQueueHeader implements 
GridCacheInternal, Externalizable {
 
     /** {@inheritDoc} */
     @Override public void readExternal(ObjectInput in) throws IOException, 
ClassNotFoundException {
-        id = U.readGridUuid(in);
+        id = U.readIgniteUuid(in);
         cap = in.readInt();
         collocated = in.readBoolean();
         head = in.readLong();
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridCacheQueueItemKey.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridCacheQueueItemKey.java
index ae6ebfc..9934e9b 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridCacheQueueItemKey.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridCacheQueueItemKey.java
@@ -82,14 +82,14 @@ class GridCacheQueueItemKey implements Externalizable, 
QueueItemKey {
 
     /** {@inheritDoc} */
     @Override public void writeExternal(ObjectOutput out) throws IOException {
-        U.writeGridUuid(out, queueId);
+        U.writeIgniteUuid(out, queueId);
         U.writeString(out, queueName);
         out.writeLong(idx);
     }
 
     /** {@inheritDoc} */
     @Override public void readExternal(ObjectInput in) throws IOException, 
ClassNotFoundException {
-        queueId = U.readGridUuid(in);
+        queueId = U.readIgniteUuid(in);
         queueName = U.readString(in);
         idx = in.readLong();
     }
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridCacheSetHeader.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridCacheSetHeader.java
index 3aa1a98..144a7eb 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridCacheSetHeader.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridCacheSetHeader.java
@@ -86,14 +86,14 @@ public class GridCacheSetHeader implements 
GridCacheInternal, Externalizable {
 
     /** {@inheritDoc} */
     @Override public void writeExternal(ObjectOutput out) throws IOException {
-        U.writeGridUuid(out, id);
+        U.writeIgniteUuid(out, id);
         out.writeBoolean(collocated);
         out.writeBoolean(separated);
     }
 
     /** {@inheritDoc} */
     @Override public void readExternal(ObjectInput in) throws IOException {
-        id = U.readGridUuid(in);
+        id = U.readIgniteUuid(in);
         collocated = in.readBoolean();
 
         try {
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridCacheSetItemKey.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridCacheSetItemKey.java
index a11ef31..33356c6 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridCacheSetItemKey.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridCacheSetItemKey.java
@@ -91,13 +91,13 @@ public class GridCacheSetItemKey implements SetItemKey, 
Externalizable {
 
     /** {@inheritDoc} */
     @Override public void writeExternal(ObjectOutput out) throws IOException {
-        U.writeGridUuid(out, setId);
+        U.writeIgniteUuid(out, setId);
         out.writeObject(item);
     }
 
     /** {@inheritDoc} */
     @Override public void readExternal(ObjectInput in) throws IOException, 
ClassNotFoundException {
-        setId = U.readGridUuid(in);
+        setId = U.readIgniteUuid(in);
         item = in.readObject();
     }
 
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridSetQueryPredicate.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridSetQueryPredicate.java
index a9b37c3..3450cec 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridSetQueryPredicate.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/datastructures/GridSetQueryPredicate.java
@@ -103,13 +103,13 @@ public class GridSetQueryPredicate<K, V> implements 
IgniteBiPredicate<K, V>, Ext
 
     /** {@inheritDoc} */
     @Override public void writeExternal(ObjectOutput out) throws IOException {
-        U.writeGridUuid(out, setId);
+        U.writeIgniteUuid(out, setId);
         out.writeBoolean(collocated);
     }
 
     /** {@inheritDoc} */
     @Override public void readExternal(ObjectInput in) throws IOException, 
ClassNotFoundException {
-        setId = U.readGridUuid(in);
+        setId = U.readIgniteUuid(in);
         collocated = in.readBoolean();
     }
 
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsBlockKey.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsBlockKey.java
index 98bf306..4fa6a67 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsBlockKey.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsBlockKey.java
@@ -144,16 +144,16 @@ public final class IgfsBlockKey implements 
IgfsBaseBlockKey, Message, Externaliz
 
     /** {@inheritDoc} */
     @Override public void writeExternal(ObjectOutput out) throws IOException {
-        U.writeGridUuid(out, fileId);
-        U.writeGridUuid(out, affKey);
+        U.writeIgniteUuid(out, fileId);
+        U.writeIgniteUuid(out, affKey);
         out.writeBoolean(evictExclude);
         out.writeLong(blockId);
     }
 
     /** {@inheritDoc} */
     @Override public void readExternal(ObjectInput in) throws IOException {
-        fileId = U.readGridUuid(in);
-        affKey = U.readGridUuid(in);
+        fileId = U.readIgniteUuid(in);
+        affKey = U.readIgniteUuid(in);
         evictExclude = in.readBoolean();
         blockId = in.readLong();
     }
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsEntryInfo.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsEntryInfo.java
index 4df8b34..fa05345 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsEntryInfo.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsEntryInfo.java
@@ -266,7 +266,7 @@ public abstract class IgfsEntryInfo implements 
Externalizable {
 
     /** {@inheritDoc} */
     @Override public void writeExternal(ObjectOutput out) throws IOException {
-        U.writeGridUuid(out, id);
+        U.writeIgniteUuid(out, id);
 
         IgfsUtils.writeProperties(out, props);
 
@@ -276,7 +276,7 @@ public abstract class IgfsEntryInfo implements 
Externalizable {
 
     /** {@inheritDoc} */
     @Override public void readExternal(ObjectInput in) throws IOException, 
ClassNotFoundException {
-        id = U.readGridUuid(in);
+        id = U.readIgniteUuid(in);
 
         props = IgfsUtils.readProperties(in);
 
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsFileAffinityRange.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsFileAffinityRange.java
index d2b6819..066371d 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsFileAffinityRange.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsFileAffinityRange.java
@@ -249,7 +249,7 @@ public class IgfsFileAffinityRange implements Message, 
Externalizable, Binaryliz
 
     /** {@inheritDoc} */
     @Override public void writeExternal(ObjectOutput out) throws IOException {
-        U.writeGridUuid(out, affKey);
+        U.writeIgniteUuid(out, affKey);
         out.writeInt(status);
         out.writeLong(startOff);
         out.writeLong(endOff);
@@ -257,7 +257,7 @@ public class IgfsFileAffinityRange implements Message, 
Externalizable, Binaryliz
 
     /** {@inheritDoc} */
     @Override public void readExternal(ObjectInput in) throws IOException, 
ClassNotFoundException {
-        affKey = U.readGridUuid(in);
+        affKey = U.readIgniteUuid(in);
         status = in.readInt();
         startOff = in.readLong();
         endOff = in.readLong();
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsFileInfo.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsFileInfo.java
index 50dde2d..53b8d16 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsFileInfo.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsFileInfo.java
@@ -217,8 +217,8 @@ public final class IgfsFileInfo extends IgfsEntryInfo 
implements Binarylizable {
 
         out.writeInt(blockSize);
         out.writeLong(len);
-        U.writeGridUuid(out, lockId);
-        U.writeGridUuid(out, affKey);
+        U.writeIgniteUuid(out, lockId);
+        U.writeIgniteUuid(out, affKey);
         out.writeObject(fileMap);
         out.writeBoolean(evictExclude);
     }
@@ -229,8 +229,8 @@ public final class IgfsFileInfo extends IgfsEntryInfo 
implements Binarylizable {
 
         blockSize = in.readInt();
         len = in.readLong();
-        lockId = U.readGridUuid(in);
-        affKey = U.readGridUuid(in);
+        lockId = U.readIgniteUuid(in);
+        affKey = U.readIgniteUuid(in);
         fileMap = (IgfsFileMap)in.readObject();
         evictExclude = in.readBoolean();
     }
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsListingEntry.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsListingEntry.java
index 3f5c17a..93485bf 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsListingEntry.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsListingEntry.java
@@ -98,13 +98,13 @@ public class IgfsListingEntry implements Externalizable, 
Binarylizable {
 
     /** {@inheritDoc} */
     @Override public void writeExternal(ObjectOutput out) throws IOException {
-        U.writeGridUuid(out, id);
+        U.writeIgniteUuid(out, id);
         out.writeBoolean(dir);
     }
 
     /** {@inheritDoc} */
     @Override public void readExternal(ObjectInput in) throws IOException, 
ClassNotFoundException {
-        id = U.readGridUuid(in);
+        id = U.readIgniteUuid(in);
         dir = in.readBoolean();
     }
 
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsUtils.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsUtils.java
index 9a9fc31..342c7d6 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsUtils.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/IgfsUtils.java
@@ -664,7 +664,7 @@ public class IgfsUtils {
         if (entry != null) {
             out.writeBoolean(true);
 
-            IgniteUtils.writeGridUuid(out, entry.fileId());
+            IgniteUtils.writeIgniteUuid(out, entry.fileId());
 
             out.writeBoolean(entry.isDirectory());
         }
@@ -681,7 +681,7 @@ public class IgfsUtils {
      */
     @Nullable public static IgfsListingEntry readListingEntry(DataInput in) 
throws IOException {
         if (in.readBoolean()) {
-            IgniteUuid id = IgniteUtils.readGridUuid(in);
+            IgniteUuid id = IgniteUtils.readIgniteUuid(in);
             boolean dir = in.readBoolean();
 
             return new IgfsListingEntry(id, dir);
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/meta/IgfsMetaDirectoryListingRemoveProcessor.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/meta/IgfsMetaDirectoryListingRemoveProcessor.java
index 4c34fea..c93d3bb 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/meta/IgfsMetaDirectoryListingRemoveProcessor.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/meta/IgfsMetaDirectoryListingRemoveProcessor.java
@@ -100,13 +100,13 @@ public class IgfsMetaDirectoryListingRemoveProcessor 
implements EntryProcessor<I
     /** {@inheritDoc} */
     @Override public void writeExternal(ObjectOutput out) throws IOException {
         U.writeString(out, fileName);
-        U.writeGridUuid(out, fileId);
+        U.writeIgniteUuid(out, fileId);
     }
 
     /** {@inheritDoc} */
     @Override public void readExternal(ObjectInput in) throws IOException, 
ClassNotFoundException {
         fileName = U.readString(in);
-        fileId = U.readGridUuid(in);
+        fileId = U.readIgniteUuid(in);
     }
 
     /** {@inheritDoc} */
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/meta/IgfsMetaDirectoryListingReplaceProcessor.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/meta/IgfsMetaDirectoryListingReplaceProcessor.java
index e230f05..0c8db05 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/meta/IgfsMetaDirectoryListingReplaceProcessor.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/meta/IgfsMetaDirectoryListingReplaceProcessor.java
@@ -98,13 +98,13 @@ public final class IgfsMetaDirectoryListingReplaceProcessor 
implements EntryProc
     /** {@inheritDoc} */
     @Override public void writeExternal(ObjectOutput out) throws IOException {
         U.writeString(out, name);
-        U.writeGridUuid(out, id);
+        U.writeIgniteUuid(out, id);
     }
 
     /** {@inheritDoc} */
     @Override public void readExternal(ObjectInput in) throws IOException, 
ClassNotFoundException {
         name = U.readString(in);
-        id = U.readGridUuid(in);
+        id = U.readIgniteUuid(in);
     }
 
     /** {@inheritDoc} */
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/meta/IgfsMetaFileCreateProcessor.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/meta/IgfsMetaFileCreateProcessor.java
index a3e9d48..a4631db 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/meta/IgfsMetaFileCreateProcessor.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/meta/IgfsMetaFileCreateProcessor.java
@@ -131,8 +131,8 @@ public class IgfsMetaFileCreateProcessor implements 
EntryProcessor<IgniteUuid, I
         IgfsUtils.writeProperties(out, props);
 
         out.writeInt(blockSize);
-        U.writeGridUuid(out, affKey);
-        U.writeGridUuid(out, lockId);
+        U.writeIgniteUuid(out, affKey);
+        U.writeIgniteUuid(out, lockId);
         out.writeBoolean(evictExclude);
 
         out.writeLong(len);
@@ -146,8 +146,8 @@ public class IgfsMetaFileCreateProcessor implements 
EntryProcessor<IgniteUuid, I
         props = IgfsUtils.readProperties(in);
 
         blockSize = in.readInt();
-        affKey = U.readGridUuid(in);
-        lockId = U.readGridUuid(in);
+        affKey = U.readIgniteUuid(in);
+        lockId = U.readIgniteUuid(in);
         evictExclude = in.readBoolean();
 
         len = in.readLong();
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/meta/IgfsMetaFileLockProcessor.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/meta/IgfsMetaFileLockProcessor.java
index 3258f10..15a9e0f 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/meta/IgfsMetaFileLockProcessor.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/processors/igfs/meta/IgfsMetaFileLockProcessor.java
@@ -78,12 +78,12 @@ public class IgfsMetaFileLockProcessor implements 
EntryProcessor<IgniteUuid, Igf
 
     /** {@inheritDoc} */
     @Override public void writeExternal(ObjectOutput out) throws IOException {
-        U.writeGridUuid(out, lockId);
+        U.writeIgniteUuid(out, lockId);
     }
 
     /** {@inheritDoc} */
     @Override public void readExternal(ObjectInput in) throws IOException, 
ClassNotFoundException {
-        lockId = U.readGridUuid(in);
+        lockId = U.readIgniteUuid(in);
     }
 
     /** {@inheritDoc} */
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java 
b/modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java
index 93c80f2..8ffe8a5 100755
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/util/IgniteUtils.java
@@ -1829,12 +1829,12 @@ public abstract class IgniteUtils {
      * Gets 8-character substring of {@link org.apache.ignite.lang.IgniteUuid} 
(for terse logging).
      * The ID8 will be constructed as follows:
      * <ul>
-     * <li>Take first 4 digits for global ID, i.e. {@code 
GridUuid.globalId()}.</li>
-     * <li>Take last 4 digits for local ID, i.e. {@code 
GridUuid.localId()}.</li>
+     * <li>Take first 4 digits for global ID, i.e. {@link 
IgniteUuid#globalId()}.</li>
+     * <li>Take last 4 digits for local ID, i.e. {@link 
IgniteUuid#localId()}.</li>
      * </ul>
      *
      * @param id Input ID.
-     * @return 8-character representation of {@code GridUuid}.
+     * @return 8-character representation of {@link IgniteUuid}.
      */
     public static String id8(IgniteUuid id) {
         String s = id.toString();
@@ -5097,35 +5097,35 @@ public abstract class IgniteUtils {
     }
 
     /**
-     * Writes Grid UUIDs to output stream. This method is meant to be used by
+     * Writes Ignite UUIDs to output stream. This method is meant to be used by
      * implementations of {@link Externalizable} interface.
      *
      * @param out Output stream.
-     * @param col Grid UUIDs to write.
+     * @param col Ignite UUIDs to write.
      * @throws IOException If write failed.
      */
-    public static void writeGridUuids(DataOutput out, @Nullable 
Collection<IgniteUuid> col) throws IOException {
+    public static void writeIgniteUuids(DataOutput out, @Nullable 
Collection<IgniteUuid> col) throws IOException {
         if (col != null) {
             out.writeBoolean(true);
 
             out.writeInt(col.size());
 
             for (IgniteUuid id : col)
-                writeGridUuid(out, id);
+                writeIgniteUuid(out, id);
         }
         else
             out.writeBoolean(false);
     }
 
     /**
-     * Reads Grid UUIDs from input stream. This method is meant to be used by
+     * Reads Ignite UUIDs from input stream. This method is meant to be used by
      * implementations of {@link Externalizable} interface.
      *
      * @param in Input stream.
-     * @return Read Grid UUIDs.
+     * @return Read Ignite UUIDs.
      * @throws IOException If read failed.
      */
-    @Nullable public static List<IgniteUuid> readGridUuids(DataInput in) 
throws IOException {
+    @Nullable public static List<IgniteUuid> readIgniteUuids(DataInput in) 
throws IOException {
         List<IgniteUuid> col = null;
 
         // Check null flag.
@@ -5135,7 +5135,7 @@ public abstract class IgniteUtils {
             col = new ArrayList<>(size);
 
             for (int i = 0; i < size; i++)
-                col.add(readGridUuid(in));
+                col.add(readIgniteUuid(in));
         }
 
         return col;
@@ -5225,7 +5225,7 @@ public abstract class IgniteUtils {
      * @param uid UUID to write.
      * @throws IOException If write failed.
      */
-    public static void writeGridUuid(DataOutput out, IgniteUuid uid) throws 
IOException {
+    public static void writeIgniteUuid(DataOutput out, IgniteUuid uid) throws 
IOException {
         // Write null flag.
         out.writeBoolean(uid == null);
 
@@ -5245,7 +5245,7 @@ public abstract class IgniteUtils {
      * @return Read UUID.
      * @throws IOException If read failed.
      */
-    @Nullable public static IgniteUuid readGridUuid(DataInput in) throws 
IOException {
+    @Nullable public static IgniteUuid readIgniteUuid(DataInput in) throws 
IOException {
         // If UUID is not null.
         if (!in.readBoolean()) {
             long most = in.readLong();
@@ -5262,9 +5262,9 @@ public abstract class IgniteUtils {
     }
 
     /**
-     * Converts GridUuid to bytes.
+     * Converts {@link IgniteUuid} to bytes.
      *
-     * @param uuid GridUuid to convert.
+     * @param uuid {@link IgniteUuid} to convert.
      * @return Bytes.
      */
     public static byte[] igniteUuidToBytes(IgniteUuid uuid) {
@@ -5278,9 +5278,9 @@ public abstract class IgniteUtils {
     }
 
     /**
-     * Converts GridUuid to bytes.
+     * Converts {@link IgniteUuid} to bytes.
      *
-     * @param uuid GridUuid to convert.
+     * @param uuid {@link IgniteUuid} to convert.
      * @param out Output array to write to.
      * @param off Offset from which to write.
      */
@@ -5293,11 +5293,11 @@ public abstract class IgniteUtils {
     }
 
     /**
-     * Converts bytes to GridUuid.
+     * Converts bytes to {@link IgniteUuid}.
      *
      * @param in Input byte array.
      * @param off Offset from which start reading.
-     * @return GridUuid instance.
+     * @return {@link IgniteUuid} instance.
      */
     public static IgniteUuid bytesToIgniteUuid(byte[] in, int off) {
         long most = bytesToLong(in, off);
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/visor/cache/VisorCache.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/visor/cache/VisorCache.java
index 495a9cb..a4cee4e 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/visor/cache/VisorCache.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/visor/cache/VisorCache.java
@@ -298,7 +298,7 @@ public class VisorCache extends VisorDataTransferObject {
     /** {@inheritDoc} */
     @Override protected void writeExternalData(ObjectOutput out) throws 
IOException {
         U.writeString(out, name);
-        U.writeGridUuid(out, dynamicDeploymentId);
+        U.writeIgniteUuid(out, dynamicDeploymentId);
         U.writeEnum(out, mode);
         out.writeLong(memorySize);
         out.writeLong(indexesSize);
@@ -316,7 +316,7 @@ public class VisorCache extends VisorDataTransferObject {
     /** {@inheritDoc} */
     @Override protected void readExternalData(byte protoVer, ObjectInput in) 
throws IOException, ClassNotFoundException {
         name = U.readString(in);
-        dynamicDeploymentId = U.readGridUuid(in);
+        dynamicDeploymentId = U.readIgniteUuid(in);
         mode = CacheMode.fromOrdinal(in.readByte());
         memorySize = in.readLong();
         indexesSize = in.readLong();
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/visor/cache/VisorCacheConfiguration.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/visor/cache/VisorCacheConfiguration.java
index de86686..a82518f 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/visor/cache/VisorCacheConfiguration.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/visor/cache/VisorCacheConfiguration.java
@@ -588,7 +588,7 @@ public class VisorCacheConfiguration extends 
VisorDataTransferObject {
         out.writeBoolean(readFromBackup);
         U.writeString(out, tmLookupClsName);
         U.writeString(out, topValidator);
-        U.writeGridUuid(out, dynamicDeploymentId);
+        U.writeIgniteUuid(out, dynamicDeploymentId);
 
         // V2
         U.writeEnum(out, diskPageCompression);
@@ -636,7 +636,7 @@ public class VisorCacheConfiguration extends 
VisorDataTransferObject {
         readFromBackup = in.readBoolean();
         tmLookupClsName = U.readString(in);
         topValidator = U.readString(in);
-        dynamicDeploymentId = U.readGridUuid(in);
+        dynamicDeploymentId = U.readIgniteUuid(in);
 
         if (protoVer > V1) {
             diskPageCompression = 
DiskPageCompression.fromOrdinal(in.readByte());
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/visor/compute/VisorComputeCancelSessionTaskArg.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/visor/compute/VisorComputeCancelSessionTaskArg.java
index c480232..2aff54c 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/visor/compute/VisorComputeCancelSessionTaskArg.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/visor/compute/VisorComputeCancelSessionTaskArg.java
@@ -58,12 +58,12 @@ public class VisorComputeCancelSessionTaskArg extends 
VisorDataTransferObject {
 
     /** {@inheritDoc} */
     @Override protected void writeExternalData(ObjectOutput out) throws 
IOException {
-        U.writeGridUuid(out, sesId);
+        U.writeIgniteUuid(out, sesId);
     }
 
     /** {@inheritDoc} */
     @Override protected void readExternalData(byte protoVer, ObjectInput in) 
throws IOException, ClassNotFoundException {
-        sesId = U.readGridUuid(in);
+        sesId = U.readIgniteUuid(in);
     }
 
     /** {@inheritDoc} */
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/visor/event/VisorGridEvent.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/visor/event/VisorGridEvent.java
index 4814aba..c1e3998 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/visor/event/VisorGridEvent.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/visor/event/VisorGridEvent.java
@@ -136,7 +136,7 @@ public class VisorGridEvent extends VisorDataTransferObject 
{
     /** {@inheritDoc} */
     @Override protected void writeExternalData(ObjectOutput out) throws 
IOException {
         out.writeInt(typeId);
-        U.writeGridUuid(out, id);
+        U.writeIgniteUuid(out, id);
         U.writeString(out, name);
         U.writeUuid(out, nid);
         out.writeLong(ts);
@@ -147,7 +147,7 @@ public class VisorGridEvent extends VisorDataTransferObject 
{
     /** {@inheritDoc} */
     @Override protected void readExternalData(byte protoVer, ObjectInput in) 
throws IOException, ClassNotFoundException {
         typeId = in.readInt();
-        id = U.readGridUuid(in);
+        id = U.readIgniteUuid(in);
         name = U.readString(in);
         nid = U.readUuid(in);
         ts = in.readLong();
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/visor/event/VisorGridJobEvent.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/visor/event/VisorGridJobEvent.java
index 2a7ea18..4d2fa79 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/visor/event/VisorGridJobEvent.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/visor/event/VisorGridJobEvent.java
@@ -128,8 +128,8 @@ public class VisorGridJobEvent extends VisorGridEvent {
 
         U.writeString(out, taskName);
         U.writeString(out, taskClsName);
-        U.writeGridUuid(out, taskSesId);
-        U.writeGridUuid(out, jobId);
+        U.writeIgniteUuid(out, taskSesId);
+        U.writeIgniteUuid(out, jobId);
     }
 
     /** {@inheritDoc} */
@@ -140,8 +140,8 @@ public class VisorGridJobEvent extends VisorGridEvent {
 
         taskName = U.readString(in);
         taskClsName = U.readString(in);
-        taskSesId = U.readGridUuid(in);
-        jobId = U.readGridUuid(in);
+        taskSesId = U.readIgniteUuid(in);
+        jobId = U.readIgniteUuid(in);
     }
 
     /** {@inheritDoc} */
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/visor/event/VisorGridTaskEvent.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/visor/event/VisorGridTaskEvent.java
index a0836c4..0f23c97 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/visor/event/VisorGridTaskEvent.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/visor/event/VisorGridTaskEvent.java
@@ -128,7 +128,7 @@ public class VisorGridTaskEvent extends VisorGridEvent {
 
         U.writeString(out, taskName);
         U.writeString(out, taskClsName);
-        U.writeGridUuid(out, taskSesId);
+        U.writeIgniteUuid(out, taskSesId);
         out.writeBoolean(internal);
     }
 
@@ -140,7 +140,7 @@ public class VisorGridTaskEvent extends VisorGridEvent {
 
         taskName = U.readString(in);
         taskClsName = U.readString(in);
-        taskSesId = U.readGridUuid(in);
+        taskSesId = U.readIgniteUuid(in);
         internal = in.readBoolean();
     }
 
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/visor/node/VisorNodeEventsCollectorTaskArg.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/visor/node/VisorNodeEventsCollectorTaskArg.java
index c2e6b4a..06cb340 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/visor/node/VisorNodeEventsCollectorTaskArg.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/visor/node/VisorNodeEventsCollectorTaskArg.java
@@ -144,7 +144,7 @@ public class VisorNodeEventsCollectorTaskArg extends 
VisorDataTransferObject {
         out.writeObject(typeArg);
         out.writeObject(timeArg);
         U.writeString(out, taskName);
-        U.writeGridUuid(out, taskSesId);
+        U.writeIgniteUuid(out, taskSesId);
     }
 
     /** {@inheritDoc} */
@@ -153,7 +153,7 @@ public class VisorNodeEventsCollectorTaskArg extends 
VisorDataTransferObject {
         typeArg = (int[])in.readObject();
         timeArg = (Long)in.readObject();
         taskName = U.readString(in);
-        taskSesId = U.readGridUuid(in);
+        taskSesId = U.readIgniteUuid(in);
     }
 
     /** {@inheritDoc} */
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/visor/tx/FetchNearXidVersionTask.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/visor/tx/FetchNearXidVersionTask.java
index 0bfa5f7..74d13ec 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/visor/tx/FetchNearXidVersionTask.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/visor/tx/FetchNearXidVersionTask.java
@@ -78,7 +78,7 @@ public class FetchNearXidVersionTask extends 
VisorMultiNodeTask<TxVerboseId, Gri
 
             for (IgniteInternalTx tx : transactions) {
                 if (tx.xid().equals(arg.uuid()) ||
-                    tx.nearXidVersion().asGridUuid().equals(arg.uuid()) ||
+                    tx.nearXidVersion().asIgniteUuid().equals(arg.uuid()) ||
                     tx.xidVersion().equals(arg.gridCacheVersion()) ||
                     tx.nearXidVersion().equals(arg.gridCacheVersion()))
                     return tx.nearXidVersion();
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/visor/tx/TxVerboseId.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/visor/tx/TxVerboseId.java
index c55a1e1..0bb25ac 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/visor/tx/TxVerboseId.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/visor/tx/TxVerboseId.java
@@ -105,7 +105,7 @@ public class TxVerboseId extends IgniteDataTransferObject {
 
     /** {@inheritDoc} */
     @Override protected void writeExternalData(ObjectOutput out) throws 
IOException {
-        U.writeGridUuid(out, uuid);
+        U.writeIgniteUuid(out, uuid);
         out.writeObject(gridCacheVer);
     }
 
@@ -114,7 +114,7 @@ public class TxVerboseId extends IgniteDataTransferObject {
         byte protoVer,
         ObjectInput in
     ) throws IOException, ClassNotFoundException {
-        uuid = U.readGridUuid(in);
+        uuid = U.readIgniteUuid(in);
         gridCacheVer = (GridCacheVersion)in.readObject();
     }
 
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/visor/tx/VisorTxInfo.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/visor/tx/VisorTxInfo.java
index b672ec3..399e5c2 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/visor/tx/VisorTxInfo.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/visor/tx/VisorTxInfo.java
@@ -226,7 +226,7 @@ public class VisorTxInfo extends VisorDataTransferObject {
 
     /** {@inheritDoc} */
     @Override protected void writeExternalData(ObjectOutput out) throws 
IOException {
-        U.writeGridUuid(out, xid);
+        U.writeIgniteUuid(out, xid);
         out.writeLong(duration);
         U.writeEnum(out, isolation);
         U.writeEnum(out, concurrency);
@@ -235,7 +235,7 @@ public class VisorTxInfo extends VisorDataTransferObject {
         U.writeCollection(out, primaryNodes);
         U.writeEnum(out, state);
         out.writeInt(size);
-        U.writeGridUuid(out, nearXid);
+        U.writeIgniteUuid(out, nearXid);
         U.writeCollection(out, masterNodeIds);
         out.writeLong(startTime);
         out.writeLong(topVer == null ? -1 : topVer.topologyVersion());
@@ -248,7 +248,7 @@ public class VisorTxInfo extends VisorDataTransferObject {
         byte protoVer,
         ObjectInput in
     ) throws IOException, ClassNotFoundException {
-        xid = U.readGridUuid(in);
+        xid = U.readIgniteUuid(in);
         duration = in.readLong();
         isolation = TransactionIsolation.fromOrdinal(in.readByte());
         concurrency = TransactionConcurrency.fromOrdinal(in.readByte());
@@ -258,7 +258,7 @@ public class VisorTxInfo extends VisorDataTransferObject {
         state = TransactionState.fromOrdinal(in.readByte());
         size = in.readInt();
         if (protoVer >= V2) {
-            nearXid = U.readGridUuid(in);
+            nearXid = U.readIgniteUuid(in);
             masterNodeIds = U.readCollection(in);
             startTime = in.readLong();
         }
diff --git 
a/modules/core/src/main/java/org/apache/ignite/internal/visor/tx/VisorTxTask.java
 
b/modules/core/src/main/java/org/apache/ignite/internal/visor/tx/VisorTxTask.java
index 3994193..0c295a4 100644
--- 
a/modules/core/src/main/java/org/apache/ignite/internal/visor/tx/VisorTxTask.java
+++ 
b/modules/core/src/main/java/org/apache/ignite/internal/visor/tx/VisorTxTask.java
@@ -327,7 +327,7 @@ public class VisorTxTask extends 
VisorMultiNodeTask<VisorTxTaskArg, Map<ClusterN
 
                 infos.add(new VisorTxInfo(locTx.xid(), locTx.startTime(), 
duration, locTx.isolation(),
                     locTx.concurrency(), locTx.timeout(), lb, mappings, 
locTx.state(), size,
-                    locTx.nearXidVersion().asGridUuid(), 
locTx.masterNodeIds(), locTx.topologyVersionSnapshot(),
+                    locTx.nearXidVersion().asIgniteUuid(), 
locTx.masterNodeIds(), locTx.topologyVersionSnapshot(),
                     verboseInfo));
 
                 if (arg.getOperation() == VisorTxOperation.KILL)
@@ -343,9 +343,9 @@ public class VisorTxTask extends 
VisorMultiNodeTask<VisorTxTaskArg, Map<ClusterN
 
                 if (completed != null) {
                     if (Boolean.TRUE.equals(completed))
-                        infos.add(new 
VisorTxInfo(arg.txInfoArgument().gridCacheVersion().asGridUuid(), COMMITTED));
+                        infos.add(new 
VisorTxInfo(arg.txInfoArgument().gridCacheVersion().asIgniteUuid(), COMMITTED));
                     else if (Boolean.FALSE.equals(completed))
-                        infos.add(new 
VisorTxInfo(arg.txInfoArgument().gridCacheVersion().asGridUuid(), ROLLED_BACK));
+                        infos.add(new 
VisorTxInfo(arg.txInfoArgument().gridCacheVersion().asIgniteUuid(), 
ROLLED_BACK));
                 }
             }
 
diff --git a/modules/core/src/main/java/org/apache/ignite/lang/IgniteUuid.java 
b/modules/core/src/main/java/org/apache/ignite/lang/IgniteUuid.java
index ce1fcc1..73ab127 100644
--- a/modules/core/src/main/java/org/apache/ignite/lang/IgniteUuid.java
+++ b/modules/core/src/main/java/org/apache/ignite/lang/IgniteUuid.java
@@ -64,7 +64,7 @@ public final class IgniteUuid implements 
Comparable<IgniteUuid>, Iterable<Ignite
     }
 
     /**
-     * Constructs {@code GridUuid} from a global and local identifiers.
+     * Constructs {@code IgniteUuid} from a global and local identifiers.
      *
      * @param gid UUID.
      * @param locId Counter.
@@ -104,7 +104,7 @@ public final class IgniteUuid implements 
Comparable<IgniteUuid>, Iterable<Ignite
     }
 
     /**
-     * Constructs new {@code GridUuid} based on global and local ID portions.
+     * Constructs new {@code IgniteUuid} based on global and local ID portions.
      *
      * @param id UUID instance.
      * @return Newly created pseudo-random ID.
@@ -116,11 +116,11 @@ public final class IgniteUuid implements 
Comparable<IgniteUuid>, Iterable<Ignite
     }
 
     /**
-     * Converts string into {@code GridUuid}. The String must be in the format 
generated
-     * by {@link #toString() GridUuid.toString()} method.
+     * Converts string into {@code IgniteUuid}. The String must be in the 
format generated
+     * by {@link IgniteUuid#toString()} method.
      *
-     * @param s String to convert to {@code GridUuid}.
-     * @return {@code GridUuid} instance representing given string.
+     * @param s String to convert to {@code IgniteUuid}.
+     * @return {@code IgniteUuid} instance representing given string.
      */
     public static IgniteUuid fromString(String s) {
         int firstDash = s.indexOf('-');
@@ -142,18 +142,18 @@ public final class IgniteUuid implements 
Comparable<IgniteUuid>, Iterable<Ignite
     }
 
     /**
-     * Gets global ID portion of this {@code GridUuid}.
+     * Gets global ID portion of this {@code IgniteUuid}.
      *
-     * @return Global ID portion of this {@code GridUuid}.
+     * @return Global ID portion of this {@code IgniteUuid}.
      */
     public UUID globalId() {
         return gid;
     }
 
     /**
-     * Gets local ID portion of this {@code GridUuid}.
+     * Gets local ID portion of this {@code IgniteUuid}.
      *
-     * @return Local ID portion of this {@code GridUuid}.
+     * @return Local ID portion of this {@code IgniteUuid}.
      */
     public long localId() {
         return locId;
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/GridTopicExternalizableSelfTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/GridTopicExternalizableSelfTest.java
index 31ca8e6..d34f146 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/GridTopicExternalizableSelfTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/GridTopicExternalizableSelfTest.java
@@ -30,7 +30,7 @@ import org.junit.Test;
  */
 public class GridTopicExternalizableSelfTest extends 
IgniteExternalizableAbstractTest {
     /** */
-    private static final IgniteUuid A_GRID_UUID = IgniteUuid.randomUuid();
+    private static final IgniteUuid A_IGNITE_UUID = IgniteUuid.randomUuid();
 
     /** */
     private static final UUID AN_UUID = UUID.randomUUID();
@@ -48,12 +48,12 @@ public class GridTopicExternalizableSelfTest extends 
IgniteExternalizableAbstrac
      * @throws Exception If failed.
      */
     @Test
-    public void testSerializationTopicCreatedByGridUuid() throws Exception {
+    public void testSerializationTopicCreatedByIgniteUuid() throws Exception {
         for (Marshaller marsh : getMarshallers()) {
             info("Test GridTopic externalization [marshaller=" + marsh + ']');
 
             for (GridTopic topic : GridTopic.values()) {
-                Externalizable msgOut = 
(Externalizable)topic.topic(A_GRID_UUID);
+                Externalizable msgOut = 
(Externalizable)topic.topic(A_IGNITE_UUID);
 
                 assertEquals(msgOut, GridTestIoUtils.externalize(msgOut, 
marsh));
             }
@@ -64,12 +64,12 @@ public class GridTopicExternalizableSelfTest extends 
IgniteExternalizableAbstrac
      * @throws Exception If failed.
      */
     @Test
-    public void testSerializationTopicCreatedByGridUuidAndUUID() throws 
Exception {
+    public void testSerializationTopicCreatedByIgniteUuidAndUUID() throws 
Exception {
         for (Marshaller marsh : getMarshallers()) {
             info("Test GridTopic externalization [marshaller=" + marsh + ']');
 
             for (GridTopic topic : GridTopic.values()) {
-                Externalizable msgOut = 
(Externalizable)topic.topic(A_GRID_UUID, AN_UUID);
+                Externalizable msgOut = 
(Externalizable)topic.topic(A_IGNITE_UUID, AN_UUID);
 
                 assertEquals(msgOut, GridTestIoUtils.externalize(msgOut, 
marsh));
             }
@@ -80,12 +80,12 @@ public class GridTopicExternalizableSelfTest extends 
IgniteExternalizableAbstrac
      * @throws Exception If failed.
      */
     @Test
-    public void testSerializationTopicCreatedByGridUuidAndLong() throws 
Exception {
+    public void testSerializationTopicCreatedByIgniteUuidAndLong() throws 
Exception {
         for (Marshaller marsh : getMarshallers()) {
             info("Test GridTopic externalization [marshaller=" + marsh + ']');
 
             for (GridTopic topic : GridTopic.values()) {
-                Externalizable msgOut = 
(Externalizable)topic.topic(A_GRID_UUID, A_LONG);
+                Externalizable msgOut = 
(Externalizable)topic.topic(A_IGNITE_UUID, A_LONG);
 
                 assertEquals(msgOut, GridTestIoUtils.externalize(msgOut, 
marsh));
             }
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/transactions/TxPartitionCounterStateAbstractTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/transactions/TxPartitionCounterStateAbstractTest.java
index 640b578..0b04b6b 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/transactions/TxPartitionCounterStateAbstractTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/transactions/TxPartitionCounterStateAbstractTest.java
@@ -293,7 +293,7 @@ public abstract class TxPartitionCounterStateAbstractTest 
extends GridCommonAbst
 
                 futMap.put(req.futureId(), req.version());
 
-                return cb.beforePrimaryPrepare(to, req.version().asGridUuid(), 
createSendFuture(clientWrappedSpi, msg));
+                return cb.beforePrimaryPrepare(to, 
req.version().asIgniteUuid(), createSendFuture(clientWrappedSpi, msg));
             }
             else if (msg instanceof GridNearTxFinishRequest) {
                 IgniteEx to = IgnitionEx.gridxx(node.id());
@@ -420,7 +420,7 @@ public abstract class TxPartitionCounterStateAbstractTest 
extends GridCommonAbst
                 IgniteInternalTx primTx = findTx(from, nearVer, true);
                 IgniteInternalTx backupTx = findTx(to, nearVer, false);
 
-                return cb.beforeBackupFinish(from, to, primTx, backupTx, 
nearVer.asGridUuid(), createSendFuture(wrappedPrimSpi, msg));
+                return cb.beforeBackupFinish(from, to, primTx, backupTx, 
nearVer.asIgniteUuid(), createSendFuture(wrappedPrimSpi, msg));
             }
             else if (msg instanceof GridNearTxPrepareResponse) {
                 GridNearTxPrepareResponse resp = 
(GridNearTxPrepareResponse)msg;
@@ -431,7 +431,7 @@ public abstract class TxPartitionCounterStateAbstractTest 
extends GridCommonAbst
 
                 IgniteInternalTx primTx = findTx(from, ver, true);
 
-                return cb.afterPrimaryPrepare(from, primTx, ver.asGridUuid(), 
createSendFuture(wrappedPrimSpi, msg));
+                return cb.afterPrimaryPrepare(from, primTx, 
ver.asIgniteUuid(), createSendFuture(wrappedPrimSpi, msg));
             }
             else if (msg instanceof GridNearTxFinishResponse) {
                 IgniteEx to = IgnitionEx.gridxx(node.id());
@@ -440,7 +440,7 @@ public abstract class TxPartitionCounterStateAbstractTest 
extends GridCommonAbst
 
                 IgniteEx from = fromNode(wrappedPrimSpi);
 
-                IgniteUuid nearVer = futMap.get(req.futureId()).asGridUuid();
+                IgniteUuid nearVer = futMap.get(req.futureId()).asIgniteUuid();
 
                 return cb.afterPrimaryFinish(from, nearVer, 
createSendFuture(wrappedPrimSpi, msg));
             }
@@ -470,7 +470,7 @@ public abstract class TxPartitionCounterStateAbstractTest 
extends GridCommonAbst
 
                 IgniteInternalTx backupTx = findTx(from, ver, false);
 
-                return cb.afterBackupPrepare(to, from, backupTx, 
ver.asGridUuid(), createSendFuture(wrappedBackupSpi, msg));
+                return cb.afterBackupPrepare(to, from, backupTx, 
ver.asIgniteUuid(), createSendFuture(wrappedBackupSpi, msg));
             }
             else if (msg instanceof GridDhtTxFinishResponse) {
                 IgniteEx from = fromNode(wrappedBackupSpi);
@@ -484,7 +484,7 @@ public abstract class TxPartitionCounterStateAbstractTest 
extends GridCommonAbst
                     return false; // Message from parallel partition.
 
                 // Version is null if message is a response to 
checkCommittedRequest.
-                return cb.afterBackupFinish(to, from, ver.asGridUuid(), 
createSendFuture(wrappedBackupSpi, msg));
+                return cb.afterBackupFinish(to, from, ver.asIgniteUuid(), 
createSendFuture(wrappedBackupSpi, msg));
             }
 
             return false;
@@ -952,7 +952,7 @@ public abstract class TxPartitionCounterStateAbstractTest 
extends GridCommonAbst
                 return false;
 
             runAsync(() -> {
-                futures.put(new T3<>(primary, TxState.COMMIT, 
tx.nearXidVersion().asGridUuid()), proceedFut);
+                futures.put(new T3<>(primary, TxState.COMMIT, 
tx.nearXidVersion().asIgniteUuid()), proceedFut);
 
                 if (countForNode(primary, TxState.COMMIT) == txCnt)
                     futures.remove(new T3<>(primary, TxState.COMMIT, 
version(commits.get(primary).poll()))).onDone();
@@ -972,11 +972,11 @@ public abstract class TxPartitionCounterStateAbstractTest 
extends GridCommonAbst
 
             runAsync(() -> {
                 if (assigns.get(primary) != null) {
-                    int v0 = assignCntr.compute(new T2<>(primary, 
primaryTx.nearXidVersion().asGridUuid()),
+                    int v0 = assignCntr.compute(new T2<>(primary, 
primaryTx.nearXidVersion().asIgniteUuid()),
                         (key, val) -> (val == null ? 0 : val) + 1);
 
                     if (v0 == 2) {
-                        onCounterAssigned(primary, primaryTx, 
order(primaryTx.nearXidVersion().asGridUuid()));
+                        onCounterAssigned(primary, primaryTx, 
order(primaryTx.nearXidVersion().asIgniteUuid()));
 
                         if (!assigns.get(primary).isEmpty())
                             futures.remove(new T3<>(primary, TxState.ASSIGN,
@@ -985,7 +985,7 @@ public abstract class TxPartitionCounterStateAbstractTest 
extends GridCommonAbst
                 }
 
                 if (prepares.get(backup) != null) {
-                    futures.put(new T3<>(backup, TxState.PREPARE, 
primaryTx.nearXidVersion().asGridUuid()), proceedFut);
+                    futures.put(new T3<>(backup, TxState.PREPARE, 
primaryTx.nearXidVersion().asIgniteUuid()), proceedFut);
 
                     // Wait until all prep requests queued and force prepare 
order.
                     if (countForNode(backup, TxState.PREPARE) == txCnt) {
diff --git 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/transactions/TxPartitionCounterStateOnePrimaryOneBackupTest.java
 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/transactions/TxPartitionCounterStateOnePrimaryOneBackupTest.java
index 88e6555..8968d99 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/transactions/TxPartitionCounterStateOnePrimaryOneBackupTest.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/internal/processors/cache/transactions/TxPartitionCounterStateOnePrimaryOneBackupTest.java
@@ -348,7 +348,7 @@ public class TxPartitionCounterStateOnePrimaryOneBackupTest 
extends TxPartitionC
         @Override public boolean beforeBackupPrepare(IgniteEx primary, 
IgniteEx backup, IgniteInternalTx primaryTx,
             GridFutureAdapter<?> proceedFut) {
             runAsync(() -> {
-                IgniteUuid nearXidVer = 
primaryTx.nearXidVersion().asGridUuid();
+                IgniteUuid nearXidVer = 
primaryTx.nearXidVersion().asIgniteUuid();
 
                 onPrimaryPrepared(primary, primaryTx, order(nearXidVer));
 
diff --git 
a/modules/core/src/test/java/org/apache/ignite/lang/IgniteUuidSelfTest.java 
b/modules/core/src/test/java/org/apache/ignite/lang/IgniteUuidSelfTest.java
index f81698b..7894b17 100644
--- a/modules/core/src/test/java/org/apache/ignite/lang/IgniteUuidSelfTest.java
+++ b/modules/core/src/test/java/org/apache/ignite/lang/IgniteUuidSelfTest.java
@@ -76,7 +76,7 @@ public class IgniteUuidSelfTest extends 
GridCommonAbstractTest {
      * JUnit.
      */
     @Test
-    public void testGridUuid() {
+    public void testIgniteUuid() {
         IgniteUuid id1 = IgniteUuid.randomUuid();
         IgniteUuid id2 = IgniteUuid.randomUuid();
 
@@ -99,7 +99,7 @@ public class IgniteUuidSelfTest extends 
GridCommonAbstractTest {
      * JUnit.
      */
     @Test
-    public void testGridUuidPerformance() {
+    public void testIgniteUuidPerformance() {
         long start = System.currentTimeMillis();
 
         for (int i = 0; i < NUM; i++)
@@ -117,7 +117,7 @@ public class IgniteUuidSelfTest extends 
GridCommonAbstractTest {
         if (dur2 == 0)
             dur2 = 1;
 
-        System.out.println("Creation: UUID=" + dur1 + "ms, GridUuid=" + dur2 + 
"ms, " + (dur1 / dur2) + "x faster.");
+        System.out.println("Creation: UUID=" + dur1 + "ms, IgniteUuid=" + dur2 
+ "ms, " + (dur1 / dur2) + "x faster.");
     }
 
     /**
@@ -133,11 +133,11 @@ public class IgniteUuidSelfTest extends 
GridCommonAbstractTest {
         for (int i = 0; i < uids.length; i++)
             uids[i] = new UuidBean(UUID.randomUUID());
 
-        GridUuidBean[] guids = new GridUuidBean[NUM];
+        IgniteUuidBean[] guids = new IgniteUuidBean[NUM];
 
         // Populate.
         for (int i = 0; i < guids.length; i++)
-            guids[i] = new GridUuidBean(IgniteUuid.randomUuid());
+            guids[i] = new IgniteUuidBean(IgniteUuid.randomUuid());
 
         // Warm up.
         testArray(uids, NUM);
@@ -163,7 +163,7 @@ public class IgniteUuidSelfTest extends 
GridCommonAbstractTest {
 
         String metric = res == 1 ? "as fast as UUID" : dur1 < dur2 ? res + "x 
**SLOWER**" : res + "x faster";
 
-        System.out.println("Serialization: UUID=" + dur1 + "ms, GridUuid=" + 
dur2 + "ms, GridUuid is " +
+        System.out.println("Serialization: UUID=" + dur1 + "ms, IgniteUuid=" + 
dur2 + "ms, IgniteUuid is " +
             metric + ".");
     }
 
@@ -242,21 +242,21 @@ public class IgniteUuidSelfTest extends 
GridCommonAbstractTest {
     /**
      *
      */
-    private static class GridUuidBean implements Externalizable {
+    private static class IgniteUuidBean implements Externalizable {
         /** */
         private IgniteUuid uid;
 
         /**
          * Empty constructor required for {@link Externalizable}.
          */
-        public GridUuidBean() {
+        public IgniteUuidBean() {
             // No-op.
         }
 
         /**
-         * @param uid Grid UUID.
+         * @param uid Ignite UUID.
          */
-        private GridUuidBean(IgniteUuid uid) {
+        private IgniteUuidBean(IgniteUuid uid) {
             this.uid = uid;
         }
 
@@ -265,20 +265,20 @@ public class IgniteUuidSelfTest extends 
GridCommonAbstractTest {
             // Uncomment if you would like to see raw serialization 
performance.
             //out.writeObject(uid);
 
-            U.writeGridUuid(out, uid);
+            U.writeIgniteUuid(out, uid);
         }
 
         /** {@inheritDoc} */
         @Override public void readExternal(ObjectInput in) throws IOException, 
ClassNotFoundException {
             // Uncomment if you would like to see raw serialization 
performance.
-            //uid = (GridUuid)in.readObject();
+            //uid = (IgniteUuid)in.readObject();
 
-            uid = U.readGridUuid(in);
+            uid = U.readIgniteUuid(in);
         }
 
         /** {@inheritDoc} */
         @Override public boolean equals(Object o) {
-            return this == o || uid.equals(((GridUuidBean)o).uid);
+            return this == o || uid.equals(((IgniteUuidBean)o).uid);
         }
 
         /** {@inheritDoc} */
@@ -287,7 +287,7 @@ public class IgniteUuidSelfTest extends 
GridCommonAbstractTest {
         }
 
         /** {@inheritDoc} */
-        @Override public String toString() { return 
S.toString(GridUuidBean.class, this); }
+        @Override public String toString() { return 
S.toString(IgniteUuidBean.class, this); }
     }
 
     /**
@@ -305,7 +305,7 @@ public class IgniteUuidSelfTest extends 
GridCommonAbstractTest {
         }
 
         /**
-         * @param uid Grid UUID.
+         * @param uid Ignite UUID.
          */
         private UuidBean(UUID uid) {
             this.uid = uid;
diff --git 
a/modules/core/src/test/java/org/apache/ignite/loadtests/communication/GridTcpCommunicationBenchmark.java
 
b/modules/core/src/test/java/org/apache/ignite/loadtests/communication/GridTcpCommunicationBenchmark.java
index b94ccca..a0750d8 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/loadtests/communication/GridTcpCommunicationBenchmark.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/loadtests/communication/GridTcpCommunicationBenchmark.java
@@ -203,7 +203,7 @@ package org.apache.ignite.loadtests.communication;
 //            @Override public Object call() throws Exception {
 //                try {
 //                    while (!finish.get()) {
-//                        GridUuid msgId = GridUuid.randomUuid();
+//                        IgniteUuid msgId = IgniteUuid.randomUuid();
 //
 //                        sem.acquire();
 //
@@ -264,7 +264,7 @@ package org.apache.ignite.loadtests.communication;
 //
 //        final LongAdder8 msgCntr = new LongAdder8();
 //
-//        final Map<GridUuid, CountDownLatch> map = new ConcurrentHashMap8<>();
+//        final Map<IgniteUuid, CountDownLatch> map = new 
ConcurrentHashMap8<>();
 //
 //        rcvComm.setListener(new GridCommunicationListener() {
 //            @Override public void onMessage(UUID nodeId, byte[] msg, 
GridAbsClosure msgC) {
@@ -325,7 +325,7 @@ package org.apache.ignite.loadtests.communication;
 //                info("Test thread started.");
 //
 //                try {
-//                    GridUuid msgId = GridUuid.randomUuid();
+//                    IgniteUuid msgId = IgniteUuid.randomUuid();
 //
 //                    GridTuple2<byte[], Integer> t = 
getTestResources().getMarshaller().
 //                        marshalNoCopy(new GridTestMessage(msgId, testStr), 
4);
@@ -394,7 +394,7 @@ package org.apache.ignite.loadtests.communication;
 //        final Semaphore sem = new Semaphore(CONCUR_MSGS);
 //        final LongAdder8 msgCntr = new LongAdder8();
 //
-//        final Map<GridUuid, CountDownLatch> latches = new 
ConcurrentHashMap8<>();
+//        final Map<IgniteUuid, CountDownLatch> latches = new 
ConcurrentHashMap8<>();
 //
 //        rcvComm.setListener(new GridCommunicationListener() {
 //            @Override public void onMessage(UUID nodeId, byte[] msg, 
GridAbsClosure msgC) {
@@ -450,7 +450,7 @@ package org.apache.ignite.loadtests.communication;
 //                    if (latch != null)
 //                        U.await(latch);
 //
-//                    GridUuid msgId = GridUuid.randomUuid();
+//                    IgniteUuid msgId = IgniteUuid.randomUuid();
 //
 //                    sem.acquire();
 //
@@ -529,7 +529,7 @@ package org.apache.ignite.loadtests.communication;
 //                while (!finish.get()) {
 //                    U.sleep(1000);
 //
-//                    GridUuid msgId = GridUuid.randomUuid();
+//                    IgniteUuid msgId = IgniteUuid.randomUuid();
 //                    CountDownLatch latch = new CountDownLatch(1);
 //
 //                    latches.put(msgId, latch);
diff --git 
a/modules/core/src/test/java/org/apache/ignite/loadtests/communication/GridTestMessage.java
 
b/modules/core/src/test/java/org/apache/ignite/loadtests/communication/GridTestMessage.java
index 86c7b0c..3cd6130 100644
--- 
a/modules/core/src/test/java/org/apache/ignite/loadtests/communication/GridTestMessage.java
+++ 
b/modules/core/src/test/java/org/apache/ignite/loadtests/communication/GridTestMessage.java
@@ -100,7 +100,7 @@ class GridTestMessage implements Message, Externalizable {
 
     /** {@inheritDoc} */
     @Override public void writeExternal(ObjectOutput out) throws IOException {
-        U.writeGridUuid(out, id);
+        U.writeIgniteUuid(out, id);
         out.writeLong(field1);
         out.writeLong(field2);
         U.writeString(out, str);
@@ -109,7 +109,7 @@ class GridTestMessage implements Message, Externalizable {
 
     /** {@inheritDoc} */
     @Override public void readExternal(ObjectInput in) throws IOException, 
ClassNotFoundException {
-        id = U.readGridUuid(in);
+        id = U.readIgniteUuid(in);
         field1 = in.readLong();
         field2 = in.readLong();
         str = U.readString(in);

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