edge_vars #1

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# This file is sourced by scripts that work on edge servers.

# It sets the correct list db.* files that are edge-specific in the
# federated architecture.  This version is dependent on the version of
# p4d in use.

if [[ "${P4D_VERSION:-1970.1}" > "2019.0" ]]; then
   ExcludedTables=db.have,db.working,db.locks,db.resolve,db.revsh,db.workingx,db.resolvex,db.stash,db.haveg,db.workingg,db.locksg,db.resolveg
   CheckpointTables=$ExcludedTables,db.view,db.label,db.revsx,db.revux
else
   ExcludedTables=db.have,db.working,db.resolve,db.locks,db.revsh,db.workingx,db.resolvex
   CheckpointTables=$ExcludedTables,db.view,db.label,db.revsx,db.revux
fi
# Change User Description Committed
#4 31317 C. Thomas Tyler Tweaked set of tables to be used for edge servers to work for recovery with
modern SDP on a pre-2019.1 data set.  The CheckpointTables variable appends
db.storage only if the p4d version is new enough to use db.storage.
#3 29653 C. Thomas Tyler Added db.storage to set of tables to checkpoint on an edge
during edge recovery operations.

This is related to p4d server jobs.  The impact of missing data
is limited to loss of db.storage entries related to the spec
depot for edge-specific clients, entries which are not
available in the commit servers slightly diverged db.storage.

#review-29654 @russel_jackson @amo @jack_clucas @robert_cowham
#2 27803 C. Thomas Tyler Updated list p4d version-specific list of federated db.* tables for edges.
Added reference to core docs re: version-specific list of tables.

Added comment block describing usage of lexigraphical comparison.

#review-27804 @d_benedict
#1 25920 C. Thomas Tyler Added new 'edge_vars' file to dynamically set list of edge-specific
db tables based on current P4D version.

Updated edge_dump.sh, recover_edge.sh, and load_checkpoint.sh
to use the new edge_vars file.

Made edge_dump.sh and recover_edge.sh shellcheck v0.6.0 compliant,
along with load_checkpoint.sh.