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https://issues.apache.org/jira/browse/HIVE-21455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16796861#comment-16796861
]
Hive QA commented on HIVE-21455:
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|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 8m
22s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
12s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
41s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 4m
14s{color} | {color:blue} ql in master has 2255 extant Findbugs warnings.
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
2s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
35s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
15s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
15s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
41s{color} | {color:green} ql: The patch generated 0 new + 14 unchanged - 1
fixed = 14 total (was 15) {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 4m
18s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
1s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
14s{color} | {color:green} The patch does not generate ASF License warnings.
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| {color:black}{color} | {color:black} {color} | {color:black} 25m 7s{color} |
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Optional Tests | asflicense javac javadoc findbugs checkstyle compile |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian
3.16.36-1+deb8u1 (2016-09-03) x86_64 GNU/Linux |
| Build tool | maven |
| Personality |
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-16584/dev-support/hive-personality.sh
|
| git revision | master / 230db04 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| modules | C: ql U: ql |
| Console output |
http://104.198.109.242/logs//PreCommit-HIVE-Build-16584/yetus.txt |
| Powered by | Apache Yetus http://yetus.apache.org |
This message was automatically generated.
> Too verbose logging in AvroGenericRecordReader
> ----------------------------------------------
>
> Key: HIVE-21455
> URL: https://issues.apache.org/jira/browse/HIVE-21455
> Project: Hive
> Issue Type: Improvement
> Components: HiveServer2
> Affects Versions: 1.2.0, 1.1.0, 2.0.0, 2.1.0, 3.0.0, 3.1.0
> Reporter: Miklos Szurap
> Assignee: Miklos Szurap
> Priority: Minor
> Attachments: HIVE-21455.2.patch, HIVE-21455.patch
>
>
> {{AvroGenericRecordReader}} logs the Avro schema for each datafile. It is too
> verbose, likely we don't need to log that on INFO level.
> For example a table:
> {noformat}
> create table avro_tbl (c1 string, c2 int, c3 float) stored as avro;
> {noformat}
> and querying it with a select star - with 3 datafiles HiveServer2 logs the
> following:
> {noformat}
> 2019-03-15 09:18:35,999 INFO org.apache.hadoop.mapred.FileInputFormat:
> [HiveServer2-Handler-Pool: Thread-64]: Total input paths to process : 3
> 2019-03-15 09:18:35,999 INFO
> org.apache.hadoop.hive.ql.io.avro.AvroGenericRecordReader:
> [HiveServer2-Handler-Pool: Thread-64]: Found the avro schema in the job:
> {"type":"record","name":"avro_tbl","namespace":"test","fields":[{"name":"c1","type":["null","string"],"default":null},{"name":"c2","type":["null","int"],"default":null},{"name":"c3","type":["null","float"],"default":null}]}
> 2019-03-15 09:18:36,004 INFO
> org.apache.hadoop.hive.ql.io.avro.AvroGenericRecordReader:
> [HiveServer2-Handler-Pool: Thread-64]: Found the avro schema in the job:
> {"type":"record","name":"avro_tbl","namespace":"test","fields":[{"name":"c1","type":["null","string"],"default":null},{"name":"c2","type":["null","int"],"default":null},{"name":"c3","type":["null","float"],"default":null}]}
> 2019-03-15 09:18:36,010 INFO
> org.apache.hadoop.hive.ql.io.avro.AvroGenericRecordReader:
> [HiveServer2-Handler-Pool: Thread-64]: Found the avro schema in the job:
> {"type":"record","name":"avro_tbl","namespace":"test","fields":[{"name":"c1","type":["null","string"],"default":null},{"name":"c2","type":["null","int"],"default":null},{"name":"c3","type":["null","float"],"default":null}]}
> {noformat}
> This has a huge performance and storage penalty on a table with big schema
> and thousands of datafiles.
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