@ishashrestha Cloudera Manager tracks parcel state centrally in its DB (AVAILABLE_REMOTELY, DOWNLOADED, DISTRIBUTED, ACTIVATED, etc.).So even if the parcel bits are already present on the host, Agent will redistribute it.Also managing parcels is agents responsibility.It performs a lot of background tasks in parcel lifecycle. In Distribution phase it compares the .sha file (from the repo) with the .parcel file in the cache.This ensures no corruption or mismatch and then extracts parcel (.parcel is tarball). In activation phase creates/update symlinks in parcel directory, /etc/alternatives and in /var/lib/alternatives.Also creates service users which is needed service installation. If any of these don’t line up, CM will re-trigger distribution/activation even if the bits are there.
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