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The end_slot argument to purge is now optional

This commit is contained in:
Michael Vines 2020-08-18 18:09:04 -07:00
parent 35828e8fe7
commit d1500ae229
1 changed files with 31 additions and 5 deletions
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36
ledger-tool/src/main.rs
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@ -1076,8 +1076,7 @@ fn main() {
Arg::with_name("end_slot")
.index(2)
.value_name("SLOT")
.required(true)
.help("Ending slot to stop purging (inclusive)"),
.help("Ending slot to stop purging (inclusive) [default: the highest slot in the ledger]"),
)
.arg(
Arg::with_name("no_compaction")
@ -1705,14 +1704,41 @@ fn main() {
}
("purge", Some(arg_matches)) => {
let start_slot = value_t_or_exit!(arg_matches, "start_slot", Slot);
let end_slot = value_t_or_exit!(arg_matches, "end_slot", Slot);
let end_slot = value_t!(arg_matches, "end_slot", Slot).ok();
let no_compaction = arg_matches.is_present("no-compaction");
let blockstore =
open_blockstore(&ledger_path, AccessType::PrimaryOnly, wal_recovery_mode);
let end_slot = match end_slot {
Some(end_slot) => end_slot,
None => match blockstore.slot_meta_iterator(start_slot) {
Ok(metas) => {
let slots: Vec<_> = metas.map(|(slot, _)| slot).collect();
if slots.is_empty() {
eprintln!("Purge range is empty");
exit(1);
}
*slots.last().unwrap()
}
Err(err) => {
eprintln!("Unable to read the Ledger: {:?}", err);
exit(1);
}
},
};
if end_slot < start_slot {
eprintln!(
"end slot {} is less than start slot {}",
end_slot, start_slot
);
exit(1);
}
println!("Purging data from slots {} to {}", start_slot, end_slot);
if no_compaction {
blockstore.purge_and_compact_slots(start_slot, end_slot);
} else {
blockstore.purge_slots(start_slot, end_slot, PurgeType::Exact);
} else {
blockstore.purge_and_compact_slots(start_slot, end_slot);
}
blockstore.purge_from_next_slots(start_slot, end_slot);
}