Tianyi Wang has uploaded a new patch set (#2). ( http://gerrit.cloudera.org:8080/8825 )
Change subject: IMPALA-5990: End-to-end compression of metadata ...................................................................... IMPALA-5990: End-to-end compression of metadata Currently the catalog data is compressed in the statestore, but uncompressed when passed between FE and BE. It results in a ~2GB limit on the metadata. IMPALA-3499 introduced a workaround in the impalad but there isn't one in the catalogd. This patch aims to increase the size limit for statestore updates, reduce the copying of the metadata and reduce the memory footprint. With this patch, the catalog objects are passed and (de)compressed between FE and BE one at a time. The new limits are: - A single catalog object cannot be larger than ~2GB on openjdk 8. It cannot be larger than ~1GB on openjdk 7. - A statestore catalog update cannot be larger than ~4GB, compressed. The behavior of the catalog op executer is not changed. The data is not compressed and the size limit is still 2GB. Testing: Ran existing tests. Manually tested with a 1.95GB catalog object and a 3.90 GB uncompressed statestore update. Change-Id: I3a8819cad734b3a416eef6c954e55b73cc6023ae --- M be/src/catalog/catalog-server.cc M be/src/catalog/catalog-server.h M be/src/catalog/catalog-util.cc M be/src/catalog/catalog-util.h M be/src/catalog/catalog.cc M be/src/catalog/catalog.h M be/src/rpc/thrift-util.h M be/src/service/fe-support.cc M be/src/service/frontend.cc M be/src/service/frontend.h M be/src/service/impala-server.cc M be/src/util/jni-util.h M common/thrift/CatalogInternalService.thrift M common/thrift/Frontend.thrift M fe/src/main/java/org/apache/impala/catalog/Catalog.java M fe/src/main/java/org/apache/impala/catalog/CatalogServiceCatalog.java M fe/src/main/java/org/apache/impala/catalog/ImpaladCatalog.java M fe/src/main/java/org/apache/impala/service/FeSupport.java M fe/src/main/java/org/apache/impala/service/Frontend.java M fe/src/main/java/org/apache/impala/service/JniCatalog.java M fe/src/main/java/org/apache/impala/service/JniFrontend.java A fe/src/main/java/org/apache/impala/util/TByteBuffer.java 22 files changed, 576 insertions(+), 553 deletions(-) git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/25/8825/2 -- To view, visit http://gerrit.cloudera.org:8080/8825 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: Impala-ASF Gerrit-Branch: master Gerrit-MessageType: newpatchset Gerrit-Change-Id: I3a8819cad734b3a416eef6c954e55b73cc6023ae Gerrit-Change-Number: 8825 Gerrit-PatchSet: 2 Gerrit-Owner: Tianyi Wang <tw...@cloudera.com> Gerrit-Reviewer: Alex Behm <alex.b...@cloudera.com> Gerrit-Reviewer: Dimitris Tsirogiannis <dtsirogian...@cloudera.com> Gerrit-Reviewer: Tianyi Wang <tw...@cloudera.com>
