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12ac9a1fbd
Currently, we are calculating truncated_at during truncate() independently for each shard. It will work if we're lucky, but it is fairly easy to trigger cases in which each shard will end up with a slightly different time. The main problem here, is that this time is used as the snapshot name when auto snapshots are enabled. Previous to my last fixes, this would just generate two separate directories in this case, which is wrong but not severe. But after the fix, this means that both shards will wait for one another to synchronize and this will hang the database. Fix this by making sure that the truncation time is calculated before invoke_on_all in all needed places. Signed-off-by: Glauber Costa <glommer@scylladb.com>