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Compact SpatialDB as we go, not at the end

This commit is contained in:
Igor Canadi 2014-08-28 07:27:26 -07:00
parent 7f71448388
commit 2a8faf797c
1 changed files with 13 additions and 19 deletions
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32
utilities/spatialdb/spatial_db.cc
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@ -621,10 +621,13 @@ class SpatialDBImpl : public SpatialDB {
namespace {
DBOptions GetDBOptions(const SpatialDBOptions& options) {
DBOptions db_options;
db_options.max_background_compactions = options.num_threads / 2;
db_options.max_background_flushes = options.num_threads / 2;
db_options.env->SetBackgroundThreads(db_options.max_background_compactions, Env::LOW);
db_options.env->SetBackgroundThreads(db_options.max_background_flushes, Env::HIGH);
db_options.max_background_compactions = 3 * options.num_threads / 4;
db_options.max_background_flushes =
options.num_threads - db_options.max_background_compactions;
db_options.env->SetBackgroundThreads(db_options.max_background_compactions,
Env::LOW);
db_options.env->SetBackgroundThreads(db_options.max_background_flushes,
Env::HIGH);
if (options.bulk_load) {
db_options.disableDataSync = true;
}
@ -634,14 +637,16 @@ DBOptions GetDBOptions(const SpatialDBOptions& options) {
ColumnFamilyOptions GetColumnFamilyOptions(const SpatialDBOptions& options,
std::shared_ptr<Cache> block_cache) {
ColumnFamilyOptions column_family_options;
column_family_options.write_buffer_size = 128 * 1024 * 1024; // 128MB
column_family_options.max_bytes_for_level_base = 1024 * 1024 * 1024; // 1 GB
column_family_options.write_buffer_size = 128 * 1024 * 1024; // 128MB
column_family_options.max_write_buffer_number = 4;
// only compress levels >= 1
column_family_options.level0_file_num_compaction_trigger = 2;
column_family_options.level0_slowdown_writes_trigger = 16;
column_family_options.level0_slowdown_writes_trigger = 32;
// only compress levels >= 2
column_family_options.compression_per_level.resize(
column_family_options.num_levels);
for (int i = 0; i < column_family_options.num_levels; ++i) {
if (i == 0) {
if (i < 2) {
column_family_options.compression_per_level[i] = kNoCompression;
} else {
column_family_options.compression_per_level[i] = kLZ4Compression;
@ -651,17 +656,6 @@ ColumnFamilyOptions GetColumnFamilyOptions(const SpatialDBOptions& options,
table_options.block_cache = block_cache;
column_family_options.table_factory.reset(
NewBlockBasedTableFactory(table_options));
if (options.bulk_load) {
column_family_options.level0_file_num_compaction_trigger = (1 << 30);
column_family_options.level0_slowdown_writes_trigger = (1 << 30);
column_family_options.level0_stop_writes_trigger = (1 << 30);
column_family_options.disable_auto_compactions = true;
column_family_options.source_compaction_factor = (1 << 30);
column_family_options.num_levels = 2;
column_family_options.target_file_size_base = 256 * 1024 * 1024;
column_family_options.max_mem_compaction_level = 0;
column_family_options.memtable_factory.reset(new VectorRepFactory());
}
return column_family_options;
}