ptrack.map compression and decompression#658

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kr1llin wants to merge 2 commits intopostgrespro:masterfrom

kr1llin:ptrack_compression

Commits on Sep 17, 2025

Add compression of ptrack.map during backup. Compression algorithm is taken from backup state (pgBackup current). Compression itself processed using internal libraries. Compute CRC using pgFileGetC…
kr1llin
committed

Commits on Oct 9, 2025

add: atomic ptrack.map write, CRC calculation only for decompressed ptrack.map, cleanups
kr1llin
committed