What can cause indexed data to differ from the original source data?

Indexed data can differ from the original source data primarily due to raw data modification. In Splunk, when data is ingested, it can undergo transformations or modifications depending on the configurations set during the data input phase. For instance, field extractions, data anonymization, or applying data transformations such as lookup settings can alter the original content before it is indexed. Thus, once the data is indexed, it might not match the source data precisely because of these intentional modifications.

While factors such as data compression and source type misconfiguration can affect how data is processed and stored, they do not inherently modify the content of the raw data itself. Data compression typically reduces the size of the data without altering the content, making it different in terms of storage but not in terms of the data's integrity. Network latency, on the other hand, refers to the delay in data transmission which does not impact the structure or content of the original data either.