core: preallocate batch size in bloomIndexer (#25289)
This change reduces allocations when committing bloombits indexes by creating the database batch with a larger initial size.
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@ -75,7 +75,7 @@ func (b *BloomIndexer) Process(ctx context.Context, header *types.Header) error
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// Commit implements core.ChainIndexerBackend, finalizing the bloom section and
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// writing it out into the database.
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func (b *BloomIndexer) Commit() error {
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batch := b.db.NewBatch()
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batch := b.db.NewBatchWithSize((int(b.size) / 8) * types.BloomBitLength)
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for i := 0; i < types.BloomBitLength; i++ {
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bits, err := b.gen.Bitset(uint(i))
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if err != nil {
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