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modules/console: Add more percentages to db cache cmd output; improve output table.

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This commit is contained in:
Jason Volk 2020-07-27 19:14:21 -07:00
parent dd17ba9dec
commit 83889d09f3
1 changed files with 100 additions and 41 deletions
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141
modules/console.cc
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@ -3586,57 +3586,86 @@ try
const auto usage(db::usage(cache(database)));
const auto pinned(db::pinned(cache(database)));
const auto capacity(db::capacity(cache(database)));
const auto usage_pct
const auto util_pct
{
capacity > 0.0? (double(usage) / double(capacity)) : 0.0L
};
const auto hits(db::ticker(cache(database), db::ticker_id("rocksdb.block.cache.hit")));
const auto misses(db::ticker(cache(database), db::ticker_id("rocksdb.block.cache.miss")));
const auto hit_pct
{
(misses + hits) > 0? (double(hits) / double(hits + misses)) : 0.0L
};
const auto inserts(db::ticker(cache(database), db::ticker_id("rocksdb.block.cache.add")));
const auto inserts_bytes(db::ticker(cache(database), db::ticker_id("rocksdb.block.cache.data.bytes.insert")));
const auto ins_miss_pct
{
misses > 0.0? (double(inserts) / double(misses)) : 0.0L
};
const auto ins_hit_rat
{
inserts > 0.0? (double(hits) / double(inserts)) : 0.0L
};
out << std::left
<< std::setw(32) << "ROW"
<< std::setw(24) << "ROW"
<< std::right
<< " "
<< std::setw(7) << "PCT"
<< " "
<< std::setw(10) << "HITS"
<< " "
<< std::setw(9) << "MISSES"
<< " "
<< std::setw(9) << "INSERT"
<< " "
<< std::setw(26) << "CACHED"
<< " "
<< std::setw(26) << "CAPACITY"
<< " "
<< std::setw(9) << "UTIL%"
<< " "
<< std::setw(11) << "HITS"
<< " "
<< std::setw(10) << "MISSES"
<< " "
<< std::setw(9) << "HIT%"
<< " "
<< std::setw(26) << "INSERT TOTAL"
<< " "
<< std::setw(10) << "INSERT"
<< " "
<< std::setw(10) << "HIT:INS"
<< " "
<< std::setw(9) << "INSERT%"
<< " "
<< std::setw(20) << "LOCKED"
<< " "
<< std::endl;
out << std::left
<< std::setw(32) << "*"
<< std::setw(24) << "*"
<< std::right
<< " "
<< std::setw(6) << std::right << std::fixed << std::setprecision(2) << (usage_pct * 100)
<< "%"
<< " "
<< std::setw(10) << hits
<< " "
<< std::setw(9) << misses
<< " "
<< std::setw(9) << inserts
<< " "
<< std::setw(26) << std::right << pretty(iec(usage))
<< " "
<< std::setw(26) << std::right << pretty(iec(capacity))
<< " "
<< std::setw(8) << std::right << std::fixed << std::setprecision(2) << (util_pct * 100)
<< "%"
<< " "
<< std::setw(11) << hits
<< " "
<< std::setw(10) << misses
<< " "
<< std::setw(8) << std::right << std::fixed << std::setprecision(2) << (hit_pct * 100)
<< "%"
<< " "
<< std::setw(26) << std::right << pretty(iec(inserts_bytes))
<< " "
<< std::setw(10) << inserts
<< " "
<< std::setw(8) << std::right << std::fixed << std::setprecision(0) << ins_hit_rat
<< ":1"
<< " "
<< std::setw(8) << std::right << std::fixed << std::setprecision(2) << (ins_miss_pct * 100)
<< "%"
<< " "
<< std::setw(20) << std::right << pretty(iec(pinned))
<< " "
<< std::endl
@ -3648,23 +3677,29 @@ try
}
out << std::left
<< std::setw(32) << "COLUMN"
<< std::setw(24) << "COLUMN"
<< std::right
<< " "
<< std::setw(7) << "PCT"
<< " "
<< std::setw(10) << "HITS"
<< " "
<< std::setw(9) << "MISSES"
<< " "
<< std::setw(9) << "INSERT"
<< " "
<< std::setw(26) << "CACHED"
<< " "
<< std::setw(26) << "CAPACITY"
<< " "
<< std::setw(26) << "INSERT TOTAL"
<< std::setw(9) << "UTIL%"
<< " "
<< std::setw(11) << "HITS"
<< " "
<< std::setw(10) << "MISSES"
<< " "
<< std::setw(9) << "HIT%"
<< " "
<< std::setw(26) << "INSERT TOTAL"
<< " "
<< std::setw(10) << "INSERT"
<< " "
<< std::setw(10) << "HIT:INS"
<< " "
<< std::setw(9) << "INSERT%"
<< " "
<< std::setw(20) << "LOCKED"
<< " "
<< std::endl;
@ -3672,29 +3707,53 @@ try
const auto output{[&out]
(const string_view &column_name, const stats &s)
{
const auto pct
const auto util_pct
{
s.capacity > 0.0? (double(s.usage) / double(s.capacity)) : 0.0L
};
out << std::setw(32) << std::left << column_name
const auto hit_pct
{
(s.misses + s.hits) > 0.0? (double(s.hits) / double(s.hits + s.misses)) : 0.0L
};
const auto ins_miss_pct
{
s.misses > 0.0? (double(s.inserts) / double(s.misses)) : 0.0L
};
const auto ins_hit_rat
{
s.inserts > 0.0? (double(s.hits) / double(s.inserts)) : 0.0L
};
out << std::setw(24) << std::left << column_name
<< std::right
<< " "
<< std::setw(6) << std::right << std::fixed << std::setprecision(2) << (pct * 100)
<< '%'
<< " "
<< std::setw(10) << s.hits
<< " "
<< std::setw(9) << s.misses
<< " "
<< std::setw(9) << s.inserts
<< " "
<< std::setw(26) << std::right << pretty(iec(s.usage))
<< " "
<< std::setw(26) << std::right << pretty(iec(s.capacity))
<< " "
<< std::setw(8) << std::right << std::fixed << std::setprecision(2) << (util_pct * 100)
<< '%'
<< " "
<< std::setw(11) << s.hits
<< " "
<< std::setw(10) << s.misses
<< " "
<< std::setw(8) << std::right << std::fixed << std::setprecision(2) << (hit_pct * 100)
<< '%'
<< " "
<< std::setw(26) << pretty(iec(s.inserts_bytes))
<< " "
<< std::setw(10) << s.inserts
<< " "
<< std::setw(8) << std::right << std::fixed << std::setprecision(0) << ins_hit_rat
<< ":1"
<< " "
<< std::setw(8) << std::right << std::fixed << std::setprecision(2) << (ins_miss_pct * 100)
<< '%'
<< " "
<< std::setw(20) << std::right << pretty(iec(s.pinned))
<< " "
<< std::endl;