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https://issues.apache.org/jira/browse/HIVE-21005?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nita Dembla reassigned HIVE-21005:
----------------------------------
Assignee: Nita Dembla
> LLAP: Reading more stripes per-split leaks ZlibCodecs
> -----------------------------------------------------
>
> Key: HIVE-21005
> URL: https://issues.apache.org/jira/browse/HIVE-21005
> Project: Hive
> Issue Type: Bug
> Components: llap
> Reporter: Gopal V
> Assignee: Nita Dembla
> Priority: Major
>
> OrcEncodedDataReader - calls ensureDataReader in a loop, overwriting itself
> {code}
> for (int stripeIxMod = 0; stripeIxMod < stripeRgs.length; ++stripeIxMod) {
> ....
> // 6.2. Ensure we have stripe metadata. We might have read it before
> for RG filtering.
> if (stripeMetadatas != null) {
> stripeMetadata = stripeMetadatas.get(stripeIxMod);
> } else {
> ...
> ensureDataReader();
> ...
> }
> {code}
> {code}
> private void ensureDataReader() throws IOException {
> ...
> stripeReader = orcReader.encodedReader(
> fileKey, dw, dw, useObjectPools ? POOL_FACTORY : null, trace,
> useCodecPool, cacheTag);
> {code}
> creates new encodedReader without closing previous stripe's encoded reader.
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