acelyc111 commented on a change in pull request #5597:
URL: https://github.com/apache/incubator-doris/pull/5597#discussion_r608370908
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File path: be/src/common/config.h
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@@ -516,10 +514,23 @@ CONF_Int32(flush_thread_num_per_store, "2");
// config for tablet meta checkpoint
CONF_mInt32(tablet_meta_checkpoint_min_new_rowsets_num, "10");
CONF_mInt32(tablet_meta_checkpoint_min_interval_secs, "600");
+// Thread count of RocksDB uses for background flush and compaction, -1 means
the number of cores.
+CONF_mInt32(rocksdb_thread_count, "-1");
+CONF_mInt32(rocksdb_block_cache_mb, "1024");
Review comment:
The default cache is 8M which is too small.
I've updated code to make the block cache shared by all rocksdb instances,
and it's capacity is 64M now.
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