预留参数
下列参数为预留参数,该版本不生效。
acce_min_datasize_per_thread
cstore_insert_mode
enable_constraint_optimization
enable_hadoop_env
enable_hdfs_predicate_pushdown
enable_orc_cache
schedule_splits_threshold
backend_version
undo_zone_count
version_retention_age
enable_incremental_catchup
wait_dummy_time
废弃函数
enable_adio_debug
enable_adio_function
enable_fast_allocate
prefetch_quantity
backwrite_quantity
cstore_prefetch_quantity
cstore_backwrite_quantity
cstore_backwrite_max_threshold
fast_extend_file_size
effective_io_concurrency
acceleration_with_compute_pool
enable_slow_query_log
query_log_directory
query_log_file
hll_default_regwidth
hll_default_expthresh
hll_default_sparseon
hll_max_sparse
enable_compress_hll