Houliang Qi

icon indicating a website link https://neuyilan.github.io icon indicating an email [email protected]

icon company @xiaomi icon location Beijing icon location PMC member of @Apache IoTDB and @Apache TsFile, focused on time-series/OLAP databases, data lakes, streaming computing & storage.

Results 6 comments of Houliang Qi

[IOTDB-3771] Fix cannot take snapshot when the data dir and snapshot dir is on different disk

There are some code smells which we may pay attention to.

possibility to perform a schedule from HH:MM till HH:MM ?

> I think you can do > gocron.Every(1).Day().At("8:00").Do(task_start) > to start the task > > gocron.Every(1).Day().At("18:30").Do(task_stop) > to stop the task LGTM, prefect!

[IOTDB-5792] Parallel encoding in MemTable flush

Fantastic job, only minor question, why not just using thread pool like this `ThreadPoolExecutor(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit, BlockingQueue workQueue, ThreadFactory threadFactory)` rather than recreate the DynamicThread?

[IOTDB-5792] Parallel encoding in MemTable flush

> Agreed. But I am not sure what side effect it may cause, so we may discuss about it in another issue. OK~

influxdb out of memory

I think it is necessary to have a mechanism to control memory usage to avoid OOM, even if it may cause performance degradation, after all, usability is more important than...

[Data] Add Checkpoint/Resume Support for Ray Data Pipelines

We also need this feature very much. Is there a preliminary implementation of this feature?