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ircd::db: Ensure no internal block cache is created by rocksdb when do not want.

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This commit is contained in:
Jason Volk 2019-01-11 16:35:52 -08:00
parent f55ad72ed5
commit d3d5f03b8c
1 changed files with 8 additions and 0 deletions
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8
ircd/db.cc
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@ -1795,6 +1795,14 @@ ircd::db::database::column::column(database &d,
if(cache_size != 0)
table_opts.block_cache = std::make_shared<database::cache>(this->d, this->stats, this->name, cache_size);
// RocksDB will create an 8_MiB block_cache if we don't create our own.
// To honor the user's desire for a zero-size cache, this must be set.
if(!table_opts.block_cache)
{
table_opts.no_block_cache = true;
table_opts.cache_index_and_filter_blocks = false; // MBZ or error w/o block_cache
}
// Setup the cache for compressed assets.
const auto &cache_size_comp(this->descriptor->cache_size_comp);
if(cache_size_comp != 0)