1. why do we need the storage (whether native or 3rd party)? I need the
storage because 1) down time for production deployment. 2) the data in the
cache may be crashed and All ignite clusters are completed down (sorry)
2. So I need a storage to store the data that have been committed when
Hi Mike,
You can find a simple example of loading data with data streamer and
querying it with SQL in a following gist [1].
It is possible but somehow tricky to load table created by DDL using
data streamer. Perhaps, SQL COPY could be handy for you [2]. It uses
data streamer under the hood.
[1]
Hi Support,
Try to increase Xmx up to 4Gb or higher or avoid G1GC usage on small heaps as
it is very sensitive to free heap memory.
James>> will increase heap memory and retry.
As I understand all the data is kept in non-heap memory, But could you advise
when the heap memory will be used, like
Ilya -
Thank for your advice, it is very helpful!
Other questions:
1. If I delete data points with the same devId concurrently, is it possible
occurred a deadlock?
2. Does cache entry have a timestamp?
3. Can I delete datapoints relate to a devId in
PageAbstractEvictionTracker#evictDataPage, is
