horaedb
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apache
Apache HoraeDB (incubating) is a high-performance, distributed, cloud native time-series database.
### Describe this problem It seems that the `Sampler` suggests an empty `TimeRange` Vec ``` 2023-07-08 10:56:30.867 ERRO [common_util/src/panic.rs:42] thread 'ceres-write' panicked 'Record timestamp is not in time_ranges, timestamp:Timestamp(1688784575003), time_ranges:[]'...
### Describe This Problem Tenant management and authentication. ### Proposal #### Simple solution - [ ] config files, something like ```toml [server.auth] enable = true # available values: file/ceresmeta source...
### Describe this problem Shard will be moved from nodes when process panic because if for any reason, all operations related to such a shard should be stopped before moving(especially...
### Describe This Problem Now the design of compaction in ceresdb is still so rough, we should make more efforts in it. There are several improvements that can be made...
### Describe This Problem Not a problem - just an idea of how to improve the performance of the database. ### Proposal Hi! According to my tests, Profile-Guided Optimization (PGO)...
### Describe This Problem In merge iterator, we extract row by row from the src record batch, and append row by row to the dst record batch now. However, arrow...
### Describe This Problem Current memtable implementation will always append row to inner list, which will take more memory than expected when there are duplicated rows, and this will cause...
### Describe This Problem Currently the primary key column cannot be null. It is common for tag to be null in time-series situation. ### Proposal Shall we support nullable tag...
### Describe This Problem When I run tsbs with the default memtable size(30M), I found the flushed sst is too small(1.9M). As inspecting the parquet file, the high compression ratio...
### Describe This Problem Now table recovery in on table level but wal's storing in on shard level. The recovery performance may be unsatisfied especially in kafka based wal. ###...