v2.1.0 release notes

Released February 25, 2020.

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Docker

docker pull yugabytedb/yugabyte:2.1.0.0-b18

YSQL Changes

• [YSQL] Fix table location cache for system and colocated tables. #3416
• [YSQL] Enable ALTER TABLE IF EXISTS syntax. #3417
• [YSQL] Use std::future in PgDocOp to fetch RPC result. #3240
• [YSQL] Cleanup unique index if its creation fails. #3462
• [YSQL] Eliminate redundant foreign key checks. #3328
• [YSQL] Batch all write operations when possible. #2934
• [YSQL] allow CREATE DATABASE ENCODING unicode/utf8 #3595
• [YSQL] Fixed test wrong assumption in yb_dml_systable_scan.
• [YSQL] Use smart pointers for YBqlOp and YBPgsqlOp. #3641
• [YSQL] Provide a GFLAG to suppress unsupported error. #3633

YCQL Changes

• [YCQL] Add gflag to create CQL tables as transactional by default; change GROUP from reserved word to keyword; fix duplicate column error message. #3313
• [YCQL] Fixed unexpected 'Duplicate Object' error from the CatalogManager. #2475
• [YCQL] Fixed: signal 11: seg fault: yb::ql::PreparedResult::PreparedResult. #3415
• [YCQL] Application stuck in BoundStatement execution if a variable was not bound. #3419

System improvements

• Set the default history retention duration to 120 seconds. #3373
• Fix metrics error after resetting percentiles.. #3362
• Extract classes from transaction_participant.cc to separate files. #1032
• Recover after write stop. #3331
• Fix issue with yugabyted process restart loop. #3207
• Track replicated batches at transaction participant. #3220
• Backfill Index Table. #448
• [Colocation] Use 4 byte PG table ID as dockey prefix. #3365
• YB inbound RPCs throttling on soft memory limit. #2563
• BlockBasedMemory mem-trackers should use the "tablet" MetricsEntity instead of "servers". #3364
• Mean for metrics histograms should be based on the current values, not historic values. #3470
• Make yugabyted work with docker volume mounts. #3513
• Added Graph to track Rocksdb write rejections. #2871
• Fsync before WAL close. #3490
• Enable percentiles for redis metrics. #3362
• BlockBasedMemory mem-trackers may already exist in OpenKeyValueTablet. #3364
• [cdc] Avoid race condition with CDCReadRpc. #3441
• Call TransactionParticipant shutdown from Tablet shutdown. #3495
• Point yugabyted to system conf file if present. #3169
• Backfill Index Table - TServer side implementation for backfilling non-unique indices. #448
• colocation: make reads aware of table tombstone #3359
• Add ability to set hybrid time filter to existing rocksdb files. #1032
• Server crash on startup after table truncate. #3524
• Move all yugabyted modified data under central var dir. #3524
• Add physical time to cdc_state table. #2837
• docdb: iterate over intents past kTransactionId #3482
• Prevent callback from detached rocksdb instance; prevent race condition between insert and truncate; disable rocksdb flush on truncate. #3288
• Persist cdc min replicated index in the superblock. #3418
• [CDC] Clean up cdc_state rows for deleted streams. #2529
• yugabyted does not start with custom config file. #3634
• [2DC] Create new BootstrapProducer API. #3319
• Fix key processing on CDCProducer. #3582
• Make yb-docker-ctl compatible with python3
• Backfill index: handle failed master -> TS rpc. #3627
• [cdc] Add Last Consumer Checkpoint to CDC Producer Metrics. #2154
• Evict log cache at follower after operation was appended to log. #3665
• Implement transaction sealing w/o abort. #3220
• [Colocated] Master should issue AddTableToTable only for subsequent tables. #3681
• Extract HeartbeatDataProvider from Heartbeater. #3571
• Avoid sending apply intents from the follower. #3698

Platform

• YW Alerting improvements. #2892
• Add the 'snooze alerts status' of a universe to the health check panel. #2891
• Added UI support to be able to snooze and enable alerts. #2891
• Add toggle to take backup button. #3341
• Redirect yugaware logs from yugabyted into yugabyte-logs dir. #3516
• Add features for the read only user.
• Add endpoint to support creation of user roles in YB database(s).
• Add ability to specify list of tables to backup. #3614
• Fix metrics url check. #3653
• Do not merge flags during a gflag update. #3533
• Add option to add, delete users
• [YW] Add ESC key binding to document to close any modal on the screen by calling the onHide callback.#3211
• [YW] Add default value for currentProvider and fix eslint warnings. #3332
• [YW] Enable multi-table backups in CreateBackups modal. #3680
• Add authentication for registering new users.
• [YW][OSS] Add support to disable the Enable/Disable Backup button on the Tables tab, and change color of disabled TableActions
• Handle overall exceptions in a better way. #3676