dlavati commented on a change in pull request #797: HIVE-21146 Enforce
TransactionBatch size=1 for blob stores
URL: https://github.com/apache/hive/pull/797#discussion_r354227938
##########
File path:
streaming/src/java/org/apache/hive/streaming/HiveStreamingConnection.java
##########
@@ -520,6 +523,28 @@ private void validateTable() throws InvalidTable,
ConnectionError {
LOG.error(errMsg);
throw new ConnectionError(errMsg);
}
+
+ // batch size is only used for managed transactions, not for unmanaged
single transactions
+ if (transactionBatchSize > 1) {
+ try (FileSystem fs = tableObject.getDataLocation().getFileSystem(conf)) {
+ if (BlobStorageUtils.isBlobStorageFileSystem(conf, fs)) {
+ // currently not all filesystems implement StreamCapabilities, while
FSDataOutputStream does
+ Path path = new Path(tableObject.getDataLocation(),
"tmp_stream_verify_" + UUID.randomUUID().toString());
Review comment:
thank you , I was a bit hesitant on using /tmp, but found enough usage of it
in the codebase to use that with enough confidence.
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