Top ClickHouse issues

Is it possible to compress old data partitions?

question
achimbab picture achimbab·24 Dec 2019·6 Comments

Merge engine in ReplacingMergeTree is not working as expected

question
masosky picture masosky·20 Dec 2019·4 Comments

Creating a materialized view for calculating histogram data

question
th0th picture th0th·18 Dec 2019·4 Comments

Bloom Indexing operation causing OOMs

bug comp-skipidx memory
volfco picture volfco·3 Dec 2019·9 Comments

ClickHouse does not like empty columns in a part

bug easy task prio-minor
excitoon picture excitoon·27 Nov 2019·2 Comments
😄1

Bug in query SELECT WHERE optimiser

bug v19.14 v19.16 v19.17 v20.1 v20.3-affected v20.4-affected v20.5-affected
saniapro picture saniapro·14 Nov 2019·12 Comments

Broken multi-line paste in clickhouse-client

bug comp-cli
akuzm picture akuzm·13 Nov 2019·10 Comments

How to use Array with IN operator?

question
yamrzou picture yamrzou·8 Nov 2019·5 Comments

GROUP BY with LIMIT on a HDFS Parquet table results in Memory limit Exception

bug st-accepted
yamrzou picture yamrzou·6 Nov 2019·6 Comments

JSONEachRow causes an Int32 overflow without any exception on 19.15.3.6

st-declined
dm-logv picture dm-logv·5 Nov 2019·3 Comments
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