Backported the translog files age stats to v6.3.0

dnhatn · dnhatn · commit 2f011295ec32 · 2018-02-16T12:07:08.000-05:00
Relates #28613
diff --git a/server/src/main/java/org/elasticsearch/index/translog/TranslogStats.java b/server/src/main/java/org/elasticsearch/index/translog/TranslogStats.java
@@ -124,7 +124,7 @@ public void readFrom(StreamInput in) throws IOException {
             uncommittedOperations = numberOfOperations;
             uncommittedSizeInBytes = translogSizeInBytes;
         }
-        if (in.getVersion().onOrAfter(Version.V_7_0_0_alpha1)) {
+        if (in.getVersion().onOrAfter(Version.V_6_3_0)) {
             earliestLastModifiedAge = in.readVLong();
         }
     }
@@ -137,7 +137,7 @@ public void writeTo(StreamOutput out) throws IOException {
             out.writeVInt(uncommittedOperations);
             out.writeVLong(uncommittedSizeInBytes);
         }
-        if (out.getVersion().onOrAfter(Version.V_7_0_0_alpha1)) {
+        if (out.getVersion().onOrAfter(Version.V_6_3_0)) {
             out.writeVLong(earliestLastModifiedAge);
         }
     }

Original file line number	Diff line number	Diff line change
`@@ -124,7 +124,7 @@ public void readFrom(StreamInput in) throws IOException {`
`124`	`124`	`uncommittedOperations = numberOfOperations;`
`125`	`125`	`uncommittedSizeInBytes = translogSizeInBytes;`
`126`	`126`	`}`
`127`		`- if (in.getVersion().onOrAfter(Version.V_7_0_0_alpha1)) {`
	`127`	`+ if (in.getVersion().onOrAfter(Version.V_6_3_0)) {`
`128`	`128`	`earliestLastModifiedAge = in.readVLong();`
`129`	`129`	`}`
`130`	`130`	`}`
`@@ -137,7 +137,7 @@ public void writeTo(StreamOutput out) throws IOException {`
`137`	`137`	`out.writeVInt(uncommittedOperations);`
`138`	`138`	`out.writeVLong(uncommittedSizeInBytes);`
`139`	`139`	`}`
`140`		`- if (out.getVersion().onOrAfter(Version.V_7_0_0_alpha1)) {`
	`140`	`+ if (out.getVersion().onOrAfter(Version.V_6_3_0)) {`
`141`	`141`	`out.writeVLong(earliestLastModifiedAge);`
`142`	`142`	`}`
`143`	`143`	`}`