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Code Issues Releases Wiki Activity

ircd::db: Use cfmd rather than live-files way to get column family metadata.

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This commit is contained in:
Jason Volk 2018-09-24 22:26:44 -07:00
parent ca8082d01b
commit 4e3efb73d3
4 changed files with 38 additions and 9 deletions
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1
include/ircd/db/database/rocksdb.h
View file

@ -34,6 +34,7 @@ namespace rocksdb
struct PerfContext;
struct IOStatsContext;
struct LiveFileMetaData;
struct SstFileMetaData;
struct SstFileWriter;
}

2
include/ircd/db/database/sst.h
View file

@ -40,6 +40,7 @@ struct ircd::db::database::sst::info
uint64_t entries {0};
info() = default;
info(rocksdb::SstFileMetaData &&);
info(rocksdb::LiveFileMetaData &&);
info(const database &, const string_view &filename);
};
@ -49,6 +50,7 @@ struct ircd::db::database::sst::info::vector
{
vector() = default;
explicit vector(const database &);
explicit vector(const db::column &);
};
struct ircd::db::database::sst::dump

33
ircd/db.cc
View file

@ -2608,6 +2608,26 @@ ircd::db::database::sst::info::vector::vector(const database &d)
});
}
ircd::db::database::sst::info::vector::vector(const db::column &column)
{
const ctx::uninterruptible::nothrow ui;
database::column &c(const_cast<db::column &>(column));
database &d(*c.d);
rocksdb::ColumnFamilyMetaData cfmd;
d.d->GetColumnFamilyMetaData(c, &cfmd);
this->reserve(cfmd.file_count);
for(rocksdb::LevelMetaData &level : cfmd.levels)
{
for(rocksdb::SstFileMetaData md : level.files)
{
this->emplace_back(std::move(md));
this->back().column = db::name(column);
this->back().level = level.level;
}
}
}
//
// sst::info::info
//
@ -2649,6 +2669,19 @@ ircd::db::database::sst::info::info(rocksdb::LiveFileMetaData &&md)
{
}
ircd::db::database::sst::info::info(rocksdb::SstFileMetaData &&md)
:name{std::move(md.name)}
,path{std::move(md.db_path)}
,size{md.size}
,min_seq{md.smallest_seqno}
,max_seq{md.largest_seqno}
,min_key{std::move(md.smallestkey)}
,max_key{std::move(md.largestkey)}
,num_reads{md.num_reads_sampled}
,compacting{md.being_compacted}
{
}
///////////////////////////////////////////////////////////////////////////////
//
// database::env

11
modules/console.cc
View file

@ -2120,16 +2120,9 @@ try
database, colname
};
const auto files
{
db::files(column)
};
for(const auto &file : files)
{
const db::database::sst::info info{database, file};
const db::database::sst::info::vector vector{column};
for(const auto &info : vector)
_print_sst_info(out, info);
}
return true;
}