[jira] [Commented] (SPARK-24959) Do not invoke the CSV/JSON parser for empty schema
[ https://issues.apache.org/jira/browse/SPARK-24959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16756983#comment-16756983 ] Apache Spark commented on SPARK-24959: -- User 'HyukjinKwon' has created a pull request for this issue: https://github.com/apache/spark/pull/23708 > Do not invoke the CSV/JSON parser for empty schema > -- > > Key: SPARK-24959 > URL: https://issues.apache.org/jira/browse/SPARK-24959 > Project: Spark > Issue Type: Improvement > Components: SQL >Affects Versions: 2.3.1 >Reporter: Maxim Gekk >Priority: Major > Fix For: 2.4.0 > > > Currently JSON and CSV parsers are called even if required schema is empty. > Invoking the parser per each line has some non-zero overhead. The action can > be skipped. Such optimization should speed up count(), for example. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Commented] (SPARK-24959) Do not invoke the CSV/JSON parser for empty schema
[ https://issues.apache.org/jira/browse/SPARK-24959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16755088#comment-16755088 ] Sean Owen commented on SPARK-24959: --- Looks like this may need to be reverted: https://issues.apache.org/jira/browse/SPARK-26745 > Do not invoke the CSV/JSON parser for empty schema > -- > > Key: SPARK-24959 > URL: https://issues.apache.org/jira/browse/SPARK-24959 > Project: Spark > Issue Type: Improvement > Components: SQL >Affects Versions: 2.3.1 >Reporter: Maxim Gekk >Assignee: Maxim Gekk >Priority: Major > Fix For: 2.4.0 > > > Currently JSON and CSV parsers are called even if required schema is empty. > Invoking the parser per each line has some non-zero overhead. The action can > be skipped. Such optimization should speed up count(), for example. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Commented] (SPARK-24959) Do not invoke the CSV/JSON parser for empty schema
[ https://issues.apache.org/jira/browse/SPARK-24959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16753697#comment-16753697 ] Apache Spark commented on SPARK-24959: -- User 'HyukjinKwon' has created a pull request for this issue: https://github.com/apache/spark/pull/23667 > Do not invoke the CSV/JSON parser for empty schema > -- > > Key: SPARK-24959 > URL: https://issues.apache.org/jira/browse/SPARK-24959 > Project: Spark > Issue Type: Improvement > Components: SQL >Affects Versions: 2.3.1 >Reporter: Maxim Gekk >Assignee: Maxim Gekk >Priority: Major > Fix For: 2.4.0 > > > Currently JSON and CSV parsers are called even if required schema is empty. > Invoking the parser per each line has some non-zero overhead. The action can > be skipped. Such optimization should speed up count(), for example. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Commented] (SPARK-24959) Do not invoke the CSV/JSON parser for empty schema
[ https://issues.apache.org/jira/browse/SPARK-24959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16671553#comment-16671553 ] Apache Spark commented on SPARK-24959: -- User 'MaxGekk' has created a pull request for this issue: https://github.com/apache/spark/pull/22920 > Do not invoke the CSV/JSON parser for empty schema > -- > > Key: SPARK-24959 > URL: https://issues.apache.org/jira/browse/SPARK-24959 > Project: Spark > Issue Type: Improvement > Components: SQL >Affects Versions: 2.3.1 >Reporter: Maxim Gekk >Assignee: Maxim Gekk >Priority: Major > Fix For: 2.4.0 > > > Currently JSON and CSV parsers are called even if required schema is empty. > Invoking the parser per each line has some non-zero overhead. The action can > be skipped. Such optimization should speed up count(), for example. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Commented] (SPARK-24959) Do not invoke the CSV/JSON parser for empty schema
[ https://issues.apache.org/jira/browse/SPARK-24959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16560797#comment-16560797 ] Apache Spark commented on SPARK-24959: -- User 'MaxGekk' has created a pull request for this issue: https://github.com/apache/spark/pull/21909 > Do not invoke the CSV/JSON parser for empty schema > -- > > Key: SPARK-24959 > URL: https://issues.apache.org/jira/browse/SPARK-24959 > Project: Spark > Issue Type: Improvement > Components: SQL >Affects Versions: 2.3.1 >Reporter: Maxim Gekk >Priority: Minor > > Currently JSON and CSV parsers are called even if required schema is empty. > Invoking the parser per each line has some non-zero overhead. The action can > be skipped. Such optimization should speed up count(), for example. -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org