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@@ -3,7 +3,7 @@
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## Query Processor
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1. Support for **Snapshot Readonly** transactions mode
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1. **Better resource management** for KQP Resource Manager (share information about nodes resources, avoid OOMs)
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-1. Switch to **New Engine** for OLTP queries
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+1. ✅ Switch to **New Engine** for OLTP queries
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1. ✅ Support **`not null` for PK (primary key) table columns**
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1. **Aggregates and predicates push down to column-oriented tables**
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1. **Optimize data formats** for data transition between query phases
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@@ -25,13 +25,13 @@
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1. **DDL for column-oriented tables**
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## Database Core (Tablets, etc)
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-1. Get **YDB topics** (aka pers queue, streams) ready for production
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+1. ✅ Get **YDB topics** (aka pers queue, streams) ready for production
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1. ✅ Turn on **MVCC support** by default
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-1. Enable **Snapshot read mode** by default (take and use MVCC snapshot for reads instead of running distributed transaction for reads)
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-1. **Change Data Capture** (be able to get change feed of table updates)
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+1. ✅ Enable **Snapshot read mode** by default (take and use MVCC snapshot for reads instead of running distributed transaction for reads)
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+1. ✅ **Change Data Capture** (be able to get change feed of table updates)
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1. **Async Replication** between YDB databases
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1. ✅ **Background compaction for DataShards**
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-1. **Compressed Backups**. Add functionality to compress backup data
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+1. ✅ **Compressed Backups**. Add functionality to compress backup data
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1. Process of **Extending State Storage** without cluster downtime. If a cluster grows from, say, 9 nodes to 900 State Storage configuration stays the same (9 nodes), it leads to a performance bottleneck.
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1. **Splite/Merge DataShards *BY LOAD* by default**. Most users require this feature turned on by default
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1. Support **PostgreSQL datatypes** in tablet local database
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fomichev