-
Notifications
You must be signed in to change notification settings - Fork 94
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #2 from fluozhiye/V20240117
compress data before stream_load
- Loading branch information
Showing
2 changed files
with
85 additions
and
16 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
73 changes: 73 additions & 0 deletions
73
spark-doris-connector/src/test/java/org/apache/doris/spark/load/TestDorisStreamLoad.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,73 @@ | ||
package org.apache.doris.spark.load; | ||
|
||
import org.apache.doris.spark.cfg.SparkSettings; | ||
import org.apache.spark.SparkConf; | ||
import org.junit.Assert; | ||
import org.junit.Test; | ||
|
||
import java.io.IOException; | ||
|
||
public class TestDorisStreamLoad { | ||
|
||
@Test | ||
public void compressByGZ() throws IOException { | ||
String content = "1,aa,1\n" + | ||
"2,aa,2\n" + | ||
"3,aa,3\n" + | ||
"4,aa,4\n" + | ||
"5,aa,5\n" + | ||
"6,aa,6\n" + | ||
"7,aa,7\n" + | ||
"8,aa,8\n" + | ||
"9,aa,9\n" + | ||
"10,aa,10\n" + | ||
"11,aa,11\n" + | ||
"12,aa,12\n" + | ||
"13,aa,13\n" + | ||
"14,aa,14\n" + | ||
"15,aa,15\n" + | ||
"16,aa,16\n" + | ||
"17,aa,17\n" + | ||
"18,aa,18\n" + | ||
"19,aa,19\n" + | ||
"20,aa,20\n" + | ||
"21,aa,21\n" + | ||
"22,aa,22\n" + | ||
"23,aa,23\n" + | ||
"24,aa,24\n" + | ||
"25,aa,25\n" + | ||
"26,aa,26\n" + | ||
"27,aa,27\n" + | ||
"28,aa,28\n" + | ||
"29,aa,29\n" + | ||
"30,aa,30\n" + | ||
"31,aa,31\n" + | ||
"32,aa,32\n" + | ||
"33,aa,33\n" + | ||
"34,aa,34\n" + | ||
"35,aa,35\n" + | ||
"36,aa,36\n" + | ||
"37,aa,37\n" + | ||
"38,aa,38\n" + | ||
"39,aa,39"; | ||
byte[] compressByte = new DorisStreamLoad(new SparkSettings(new SparkConf().set("doris.table.identifier", "aa.bb"))).compressByGZ(content); | ||
|
||
int contentByteLength = content.getBytes("utf-8").length; | ||
int compressByteLength = compressByte.length; | ||
System.out.println(contentByteLength); | ||
System.out.println(compressByteLength); | ||
Assert.assertTrue(contentByteLength > compressByteLength); | ||
|
||
java.io.ByteArrayOutputStream out = new java.io.ByteArrayOutputStream(); | ||
java.io.ByteArrayInputStream in = new java.io.ByteArrayInputStream(compressByte); | ||
java.util.zip.GZIPInputStream ungzip = new java.util.zip.GZIPInputStream(in); | ||
byte[] buffer = new byte[1024]; | ||
int n; | ||
while ((n = ungzip.read(buffer)) >= 0) out.write(buffer, 0, n); | ||
byte[] unGzipByte = out.toByteArray(); | ||
|
||
String unGzipStr = new String(unGzipByte); | ||
Assert.assertArrayEquals(unGzipStr.getBytes("utf-8"), content.getBytes("utf-8")); | ||
Assert.assertEquals(unGzipStr, content); | ||
} | ||
} |