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Changed historical shard removing logic and removing historical shards on startup (#264)

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* Changed historical shard deletion logic

* Undo a change

* Resolved PR comments
This commit is contained in:
Chalith Desaman
2021-03-08 17:08:02 +05:30
committed by GitHub
parent 473fd4183c
commit 1eabe7db4a
3 changed files with 45 additions and 19 deletions
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23
src/ledger/ledger.cpp
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@@ -257,19 +257,17 @@ namespace ledger
// Remove old shards if this is not a full history node.
if (conf::cfg.node.history == conf::HISTORY::CUSTOM)
{
const std::string shard_dir_path = ledger_fs.physical_path(hpfs::RW_SESSION_NAME, shard_parent_dir);
std::list<std::string> shards = util::fetch_dir_entries(shard_dir_path);
for (const std::string shard : shards)
for (int i = led_shard_no - 1; i >= 0; i--)
{
uint64_t primary_shard_seq_no;
util::stoull(shard, primary_shard_seq_no);
if (primary_shard_seq_no < led_shard_no)
const std::string shard_path = std::string(ledger_fs.physical_path(hpfs::RW_SESSION_NAME, shard_parent_dir)).append("/").append(std::to_string(i));
// Break the loop if there's no corresponding shard.
// There cannot be shards which is less than this shard no since shards are continous.
if (!util::is_dir_exists(shard_path))
break;
else if (util::remove_directory_recursively(shard_path) == -1)
{
const std::string shard_path = std::string(shard_dir_path).append("/").append(shard);
if (util::is_dir_exists(shard_path) && util::remove_directory_recursively(shard_path) == -1)
{
LOG_ERROR << errno << ": Error deleting shard: " << shard;
}
LOG_ERROR << errno << ": Error deleting shard: " << i;
break;
}
}
}
@@ -431,7 +429,7 @@ namespace ledger
if (last_primary_shard_id.seq_no == 0 && last_primary_shard_id.hash == util::h32_empty)
{
// This is the genesis ledger.
// This is the genesis ledger.
ctx.set_lcl_id(p2p::sequence_hash{0, util::h32_empty});
return 0;
}
@@ -503,7 +501,6 @@ namespace ledger
return 0;
}
/**
* Update max_shard.seq_no meta file with the given latest shard sequence number which can be used to identify last shard
* sequence number in startup.