yaoyi

cd /Users/yourname/.ssh

# If you get ""-bash: cd: .ssh: No such file or directory"
# You need to create it
mkdir /Users/yourname/.ssh

# Set security on the folder so only you can read, write and execute
chmod 700 /Users/yourname/.ssh

# Change directory

yaoyi

加入代码可解决这种卡顿的问题：

-webkit-overflow-scrolling: touch;

yaoyi

-- Set number of shard
ALTER DATABASE citus SET citus.shard_count = 64;

-- Explain across all shards
SET citus.explain_all_tasks TO true;

-- Size of all distributed tables excluding indexes but including TOAST, free space map, and visibility map
SELECT logicalrelid::text tablename, pg_size_pretty(citus_table_size(logicalrelid::text)) size FROM pg_dist_partition group by tablename;
                                                                     
-- Size of all distributed tables including all indexes and TOAST data