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[FEAT MERGE] implement Medium Compaction & adaptive Compaction Strategy

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obdev
2022-12-19 13:26:58 +00:00
committed by ob-robot
parent 5c19d8c8c7
commit c94062401a
177 changed files with 12721 additions and 3494 deletions
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5
deps/oblib/src/lib/ob_define.h vendored
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@ -1333,6 +1333,7 @@ const int64_t OB_PARALLEL_MERGE_INFO_LENGTH = 512;
const int64_t OB_COMPACTION_EVENT_STR_LENGTH = 256;
const int64_t OB_PART_TABLE_INFO_LENGTH = 512;
const int64_t OB_MACRO_ID_INFO_LENGTH = 256;
const int64_t OB_COMPACTION_INFO_LENGTH = 128;
// for erasure code
const int64_t OB_MAX_EC_STRIPE_COUNT = 32;
@ -1671,10 +1672,6 @@ const int64_t OB_DUMP_UNUSUAL_TABLET_TYPE = 2;
const int64_t OB_MAX_SYS_VAR_NON_STRING_VAL_LENGTH = 128;
const int64_t OB_MAX_SYS_VAR_VAL_LENGTH = 4096;//original 128 is too small
//mini minor merge related parameters
const int64_t OB_MIN_MINOR_SSTABLE_ROW_COUNT = 2000000; // L0 -> L1 row count threashold
const int64_t OB_DEFAULT_COMPACTION_AMPLIFICATION_FACTOR= 25; // / mini_sstable_total > minor_sstable_total * OB_DEFAULT_COMPACTION_AMPLIFICATION_FACTOR / 100
// bitset defines
const int64_t OB_DEFAULT_BITSET_SIZE = OB_MAX_TABLE_NUM_PER_STMT;
const int64_t OB_DEFAULT_BITSET_SIZE_FOR_BASE_COLUMN = 64;