[incubator-iotdb] branch test_meta updated: seperate io and deserialize

[qi...@apache.org]

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qiaojialin pushed a commit to branch test_meta
in repository https://gitbox.apache.org/repos/asf/incubator-iotdb.git


The following commit(s) were added to refs/heads/test_meta by this push:
     new 2fa8c0f  seperate io and deserialize
2fa8c0f is described below

commit 2fa8c0f5de7442c21f4e4d5383209bcfe2684649
Author: qiaojialin <64...@qq.com>
AuthorDate: Wed Apr 15 14:52:23 2020 +0800

    seperate io and deserialize
---
 .../java/org/apache/iotdb/tsfile/read/TsFileSequenceReader.java    | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/TsFileSequenceReader.java b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/TsFileSequenceReader.java
index 5240489..ab2d948 100644
--- a/tsfile/src/main/java/org/apache/iotdb/tsfile/read/TsFileSequenceReader.java
+++ b/tsfile/src/main/java/org/apache/iotdb/tsfile/read/TsFileSequenceReader.java
@@ -301,13 +301,16 @@ public class TsFileSequenceReader implements AutoCloseable {
     Pair<Long, Integer> deviceMetadataIndex = tsFileMetaData.getDeviceMetadataIndex().get(device);
     Map<String, TimeseriesMetadata> deviceMetadata = new HashMap<>();
     ByteBuffer buffer = readData(deviceMetadataIndex.left, deviceMetadataIndex.right);
+    System.out.println("read TimeseriesMetadata io cost: " + (System.currentTimeMillis() - start));
+    System.out.println("timeseriesMetadata size: " + deviceMetadataIndex.right);
+    start = System.currentTimeMillis();
     while (buffer.hasRemaining()) {
       TimeseriesMetadata tsMetaData = TimeseriesMetadata.deserializeFrom(buffer);
       deviceMetadata.put(tsMetaData.getMeasurementId(), tsMetaData);
     }
 
-    System.out.println("read TimeseriesMetadata " + deviceMetadata.size());
-    System.out.println(System.currentTimeMillis() - start);
+    System.out.println("read TimeseriesMetadata deserialize cost: " + (System.currentTimeMillis() - start));
+    System.out.println("Timeseries Metadata size: " + deviceMetadata.size());
     return deviceMetadata;
   }