[QUESTION] XREADGROUP Can't Read Data, but Xread can read Data?

[bain2018]

version : v5

i create a stream with the command
XGROUP CREATE mystream mygroup $ MKSTREAM
and then i put some data into the stream

next create a consumer:
XGROUP CREATECONSUMER mystream mygroup myconsumer
when i use the
XREADGROUP GROUP mygroup myconsumer COUNT 100 BLOCK 1000 STREAMS mystream >

i can read some data, and ack them , several hours later , there have some data ,i cant read them by XREADGROUP ，but can read use
XREAD COUNT 100 BLOCK 1000 STREAMS mystream - +

i dont known why

[itamarhaber]

Hello @bain2018

What does XINFO say about the stream and the group?

[madolson]

Marking to be closed because of lack of activity.