@@ -410,7 +410,6 @@ func DefaultPebbleOptions() *pebble.Options {
410410 L0CompactionThreshold : 2 ,
411411 L0StopWritesThreshold : 1000 ,
412412 LBaseMaxBytes : 64 << 20 , // 64 MB
413- Levels : make ([]pebble.LevelOptions , 7 ),
414413 MemTableSize : 64 << 20 , // 64 MB
415414 MemTableStopWritesThreshold : 4 ,
416415 Merger : MVCCMerger ,
@@ -449,16 +448,21 @@ func DefaultPebbleOptions() *pebble.Options {
449448
450449 opts .Experimental .UserKeyCategories = userKeyCategories
451450
452- for i := 0 ; i < len (opts .Levels ); i ++ {
451+ opts .Levels [0 ] = pebble.LevelOptions {
452+ BlockSize : 32 << 10 , // 32 KB
453+ IndexBlockSize : 256 << 10 , // 256 KB
454+ FilterPolicy : bloom .FilterPolicy (10 ),
455+ FilterType : pebble .TableFilter ,
456+ }
457+ opts .Levels [0 ].EnsureL0Defaults ()
458+ for i := 1 ; i < len (opts .Levels ); i ++ {
453459 l := & opts .Levels [i ]
454460 l .BlockSize = 32 << 10 // 32 KB
455461 l .IndexBlockSize = 256 << 10 // 256 KB
456462 l .FilterPolicy = bloom .FilterPolicy (10 )
457463 l .FilterType = pebble .TableFilter
458- if i > 0 {
459- l .TargetFileSize = opts .Levels [i - 1 ].TargetFileSize * 2
460- }
461- l .EnsureDefaults ()
464+ l .TargetFileSize = opts .Levels [i - 1 ].TargetFileSize * 2
465+ l .EnsureL1PlusDefaults (& opts .Levels [i - 1 ])
462466 }
463467
464468 // These size classes are a subset of available size classes in jemalloc[1].
0 commit comments