TileDB v2.1.0 Release Notes

Breaking behavior

• Empty dense arrays now return cells with fill values. Also the result estimator is adjusted to work properly with this new behavior.

New features

• Added configuration option "sm.compute_concurrency_level" #1766
• Added configuration option "sm.io_concurrency_level" #1766
• Added configuration option "sm.sub_partitioner_memory_budget" #1729
• Added configuration option "vfs.read_ahead_size" #1785
• Added configuration option "vfs.read_ahead_cache_size" #1785
• Added support for getting/setting Apache Arrow buffers from a Query #1816

Improvements

• Source built curl only need HTTP support #1712
• AWS SDK version bumped to 1.8.6 #1718
• Split posix permissions into files and folers permissions #1719
• Support seeking for CURL to allow redirects for posting to REST #1728
• Changed default setting for vfs.s3.proxy_scheme from https to http to match common usage needs #1759
• Enabled parallelization with native system threads when TBB is disabled #1760
• Subarray ranges will be automatically coalesced as they are added #1755
• Update GCS SDK to v1.16.0 to fixes multiple bugs reported #1768
• Read-ahead cache for cloud-storage backends #1785
• Allow multiple empty values at the end of a variable-length write #1805
• Build system will raise overridable error if important paths contain regex character #1808
• Lazily create AWS ClientConfiguration to avoid slow context creations for non S3 usage after the AWS SDK version bump #1821
• Moved Status, ThreadPool, and Logger classes from folder tiledb/sm to tiledb/common #1843

Deprecations

• Deprecated config option "sm.num_async_threads" #1766
• Deprecated config option "sm.num_reader_threads" #1766
• Deprecated config option "sm.num_writer_threads" #1766
• Deprecated config option "sm.num_vfs_threads" #1766
• Support for MacOS older than 10.13 is being dropped when using the AWS SDK. Prebuilt Binaries now target 10.13 #1753
• Use of Intel's Thread Building Blocks (TBB) will be discontinued in the future. It is now disabled by default #1762
• No longer building release artifacts with Intel's Thread Building Blocks (TBB) enabled #1825

Bug fixes

• Fixed bug in setting a fill value for var-sized attributes.
• Fixed a bug where the cpp headers would always produce compile-time warnings about using the deprecated c-api "tiledb_coords()" #1765
• Only serialize the Array URI in the array schema client side. #1806
• Fix C++ api consolidate_metadata function uses incorrect config #1841 #1844

API additions

C API

• Added functions tiledb_attribute_{set,get}_fill_value to get/set default fill values

C++ API

• Added functions Attribute::{set,get}_fill_value to get/set default fill values