The Temporary Export Folder Became Permanent

Snapshot Comparison Matrix

TreeSize review context & volume diff breakdown

Diff Target: /mnt/san/exports/batch_temp/

The Temporary Export Folder Became Permanent

Visualizing branch lineage and allocation shifts between baseline and follow-up storage snapshots.

Storage Growth & Anomaly Diagnostics

During a cross-quarter storage audit across production SAN clusters, an unlinked export path designated for a 2025 data migration job surfaced with zero read activity over 180 days. A TreeSize review revealed continuous batch append processes that dumped uncompressed Parquet slices into /mnt/san/exports/batch_temp/ without clearing completed archives.

Differential Root Cause Identified

Pipeline workers failed to register exit hooks for scratch directory eviction, allowing transient batch jobs to persist staging payloads into primary storage tiers permanently.

Snapshot diff comparisons between baseline Q4 2025 and Q2 2026 captures isolated 412 unpurged export jobs. Storage consumption jumped 40% inside the parent storage group, silently depleting fast-tier disk quotas while production alerting thresholds remained blind to leaf-level folder expansion.

Differential Metric Breakdown

Detailed delta computation across baseline and modified snapshot logs.

Metric Parameter	Baseline State	Delta Variance	Status
Allocated Capacity	1.2 TB	+14.8 TB (+1,233%)	Critical Drift
Inode Count / Files	3,420 Files	+248,910 Files	Warning
Duplicate Lineage Ratio	4.2% Redundant	68.4% Redundant	Analyzed

Frequently Analyzed Anomaly Inquiries

Why does storage continue to swell after project archival?

How can delta comparisons detect rogue weekend spikes?

Audit Discussions & Peer Review

Technical insights and corroborating investigations

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