improve log

Author: Pengzna

hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/memory/pool/AbstractMemoryPool.java

@@ -106,9 +106,9 @@ private long reclaimChildren(long neededBytes, MemoryPool requestingPool) {
             }
         }
         LOG.info("[{}] has finished to reclaim memory: totalReclaimedBytes={}, " +
-                 "neededBytes={}",
+                 "neededBytes={}, snapshot-[{}]",
                  this,
-                 totalReclaimedBytes, neededBytes);
+                 totalReclaimedBytes, neededBytes, this.getSnapShot());
         return totalReclaimedBytes;
     }
 
@@ -224,7 +224,7 @@ public String getName() {
 
     @Override
     public String toString() {
-        return getSnapShot().toString();
+        return this.getName();
     }
 
     @Override

hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/memory/pool/impl/OperatorMemoryPool.java

@@ -90,19 +90,18 @@ public long tryToReclaimLocalMemory(long neededBytes, MemoryPool requestingPool)
                 LOG.info("[{}] has tried its best to reclaim memory: " +
                          "reclaimedBytes={}," +
                          " " +
-                         "neededBytes={}",
+                         "neededBytes={}, snapshot-[{}]",
                          this,
-                         reclaimableBytes, neededBytes);
+                         reclaimableBytes, neededBytes, this.getSnapShot());
                 return reclaimableBytes;
             }
             stats.setAllocatedBytes(stats.getAllocatedBytes() - neededBytes);
             LOG.info("[{}] has reclaim enough memory: " +
                      "reclaimedBytes={}," +
                      " " +
-                     "neededBytes={}",
+                     "neededBytes={}, snapshot-[{}]",
                      this,
-                     neededBytes, neededBytes);
-
+                     neededBytes, neededBytes, this.getSnapShot());
             return neededBytes;
         } finally {
             if (reclaimableBytes > 0) {
@@ -140,8 +139,8 @@ public Object requireMemory(long bytes, MemoryPool requestingPool) {
         } catch (OutOfMemoryException e) {
             // Abort this query
             LOG.warn("[{}] detected an OOM exception when request memory, will ABORT this " +
-                     "query and release corresponding memory...",
-                     this);
+                     "query and release corresponding memory... snapshot-[{}]",
+                     this, this.getSnapShot());
             findRootQueryPool().releaseSelf(String.format(e.getMessage()), true);
             return null;
         } finally {

hugegraph-server/hugegraph-core/src/main/java/org/apache/hugegraph/memory/pool/impl/QueryMemoryPool.java

@@ -127,8 +127,11 @@ private long tryToExpandSelfCapacity(long size) {
     }
 
     private long requestMemoryThroughArbitration(long bytes, MemoryPool requestingPool) {
-        LOG.info("[{}] try to request memory from manager through arbitration: size={}", this,
-                 bytes);
+        LOG.info("[{}] try to request memory from manager through arbitration: size={}, " +
+                 "snapshot-[{}]",
+                 this,
+                 bytes,
+                 this.getSnapShot());
         long reclaimedBytes =
                 this.memoryManager.triggerLocalArbitration(this, bytes, requestingPool);
         if (reclaimedBytes > 0) {