You could use SQL. “select _key from table” But really, copying all the data over the network is often not the best strategy. Send a compute job to each node or partition and work on the data “in place” on the data nodes.
> On 8 Mar 2022, at 03:56, Surinder Mehra <redni...@gmail.com> wrote: > > Hi, > I was looking for a way to fetch all cache keys in an efficient manner from > ignite cache. Looks like there is no such api yet. > Would it be correct to use a transformer in Scan query to just fetch the key > from entry being scanned. This will avoid fetching full cache entry from > server nodes > > Or is there a better way to do this. > > https://www.gridgain.com/docs/latest/developers-guide/key-value-api/using-scan-queries > > <https://www.gridgain.com/docs/latest/developers-guide/key-value-api/using-scan-queries> >
