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936619a8d3
Based on heap profiling, buffers used for storing half-parsed fields are a major contributor to the overall memory consumption of reads. This memory was completely "under the radar" before. Track it by using tracked `temporary_buffer` instances everywhere in `continuous_data_consumer`. As `continuous_data_consumer` is the basis for parsing all index and data files, adding the tracing here automatically covers all data, index and promoted index parsing. I'm almost convinced that there is a better place to store the `permit` then the three places now, but so far I was unable to completely decipher the our data/index file parsing class hierarchy.