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ircd::db: Options package for table metadata.

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This commit is contained in:
Jason Volk 2018-10-14 08:53:46 -07:00
parent 8f05718e2b
commit 37b55e4b11
1 changed files with 12 additions and 1 deletions
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13
ircd/db.cc
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@ -1427,8 +1427,13 @@ ircd::db::database::column::column(database *const &d,
// Table options
//
// Block based table index type.
table_opts.index_type = rocksdb::BlockBasedTableOptions::kTwoLevelIndexSearch;
table_opts.partition_filters = true;
// Setup the block size
table_opts.block_size = this->descriptor.block_size;
table_opts.metadata_block_size = 512;
// Setup the cache for assets.
const auto &cache_size(this->descriptor.cache_size);
@ -1448,6 +1453,12 @@ ircd::db::database::column::column(database *const &d,
// Tickers::READ_AMP_TOTAL_READ_BYTES / Tickers::READ_AMP_ESTIMATE_USEFUL_BYTES
//table_opts.read_amp_bytes_per_bit = 8;
// Specify that index blocks should use the cache. If not, they will be read into
// RAM by rocksdb internally which is bad for a large db and/or small block sizes.
table_opts.cache_index_and_filter_blocks = true;
table_opts.cache_index_and_filter_blocks_with_high_priority = true;
// Finally set the table options in the column options.
this->options.table_factory.reset(rocksdb::NewBlockBasedTableFactory(table_opts));
//
@ -2330,7 +2341,7 @@ ircd::db::database::cache::DEFAULT_STRICT
decltype(ircd::db::database::cache::DEFAULT_HI_PRIO)
ircd::db::database::cache::DEFAULT_HI_PRIO
{
0.04
0.10
};
//