[
https://issues.apache.org/jira/browse/HIVE-23069?focusedWorklogId=459151&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-459151
]
ASF GitHub Bot logged work on HIVE-23069:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 15/Jul/20 09:10
Start Date: 15/Jul/20 09:10
Worklog Time Spent: 10m
Work Description: pkumarsinha commented on a change in pull request #1225:
URL: https://github.com/apache/hive/pull/1225#discussion_r454907220
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/parse/repl/dump/io/FileOperations.java
##########
@@ -165,4 +178,83 @@ private void validateSrcPathListExists() throws
IOException, LoginException {
throw new FileNotFoundException(FILE_NOT_FOUND.format(e.getMessage()));
}
}
+
+ /**
+ * This needs the root data directory to which the data needs to be exported
to.
+ * The data export here is a list of files either in table/partition that
are written to the _files
+ * in the exportRootDataDir provided.
+ */
+ void exportFilesAsList() throws SemanticException, IOException,
LoginException {
+ if (dataPathList.isEmpty()) {
+ return;
+ }
+ Retry<Void> retryable = new Retry<Void>(IOException.class) {
+ @Override
+ public Void execute() throws Exception {
+ try (BufferedWriter writer = writer()) {
+ for (Path dataPath : dataPathList) {
+ writeFilesList(listFilesInDir(dataPath), writer,
AcidUtils.getAcidSubDir(dataPath));
+ }
+ } catch (IOException e) {
+ if (e instanceof FileNotFoundException) {
Review comment:
no, it won't, right?
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Issue Time Tracking
-------------------
Worklog Id: (was: 459151)
Time Spent: 3h 20m (was: 3h 10m)
> Memory efficient iterator should be used during replication.
> ------------------------------------------------------------
>
> Key: HIVE-23069
> URL: https://issues.apache.org/jira/browse/HIVE-23069
> Project: Hive
> Issue Type: Improvement
> Reporter: Pravin Sinha
> Assignee: Pravin Sinha
> Priority: Major
> Labels: pull-request-available
> Attachments: HIVE-23069.01.patch, HIVE-23069.02.patch
>
> Time Spent: 3h 20m
> Remaining Estimate: 0h
>
> Currently the iterator used while copying table data is memory based. In case
> of a database with very large number of table/partitions, such iterator may
> cause HS2 process to go OOM.
> Also introduces a config option to run data copy tasks during repl load
> operation.
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