
ALT Line chart titled 'One developer's Cursor chat store: 157 → 191 → 134 → 323 GB in nine weeks'. Four dated points of the same chat history, one SQLite file (state.vscdb), macOS, decimal GB. Aug 24: 157 GB. Sep 3: 191 GB. Sep 4: 134 GB, right after Cursor's own GC removed 2.68 million orphan blobs with 0 errors, chats older than 60 days were deleted and the file was compacted. Oct 28: 323 GB, marked in red. Subtitle: no automatic retention or size cap exists; eight weeks after the cleanup the store is 323 GB. Footer: aggregate sizes only, decimal GB (Aug 24 measured as 146.5 GiB); dated receipts of the same store; no chat content, titles or paths were read for this chart.

ALT Bar chart titled 'One developer's Cursor chat database: 323 GB in a single SQLite file'. Three gray bars: 125 GB Cursor storage reported on the forum, Sep 2026; a user reported a 160 GB state.vscdb, r/cursor, Sep 2026; this Mac, read-only census, Oct 28, 2026, 323 GB. Subtitle: Cursor's local chat store has no automatic retention or size cap; its GC command rewrites the whole file and needs about its size again in free space. Sizes as reported; this Mac measured 2026-10-28.

ALT Bar chart titled 'One developer's Cursor chat store: 322.6 GB in one SQLite file'. Six bars, the six largest payload families, decimal GB: request blobs 185.9 GB over 7,051,220 rows; messages 80.7 GB over 8,569,603 rows; large text 16.6 GB over 272,530 rows; checkpoints 13.2 GB over 20,367 rows; file contents 2.3 GB over 66,676 rows; chat metadata 1.8 GB over 19,735 rows. The six sum to 300.4 GB of value bytes; the remaining bytes are other key families and file structure, not measured. Subtitle: 19,798 conversations, 16,078,900 cursorDiskKV rows, read-only census, Cursor 3.22.7, macOS, 2026-10-28; the largest size I found posted before this: 160 GB.

ALT Bar chart titled 'One developer's Cursor chat database: 323 GB in a single SQLite file'. Three gray bars: 125 GB Cursor storage reported on the forum, Sep 2026; a user reported a 160 GB state.vscdb, r/cursor, Sep 2026; this Mac, read-only census, Oct 28, 2026, 323 GB. Subtitle: Cursor's local chat store has no automatic retention or size cap; its GC command rewrites the whole file and needs about its size again in free space. Sizes as reported; this Mac measured 2026-10-28.

ALT Bar chart titled 'One developer's Cursor chat store: 322.6 GB in one SQLite file'. Six bars, the six largest payload families, decimal GB: request blobs 185.9 GB over 7,051,220 rows; messages 80.7 GB over 8,569,603 rows; large text 16.6 GB over 272,530 rows; checkpoints 13.2 GB over 20,367 rows; file contents 2.3 GB over 66,676 rows; chat metadata 1.8 GB over 19,735 rows. The six sum to 300.4 GB of value bytes; the remaining bytes are other key families and file structure, not measured. Subtitle: 19,798 conversations, 16,078,900 cursorDiskKV rows, read-only census, Cursor 3.22.7, macOS, 2026-10-28; the largest size I found posted before this: 160 GB.

ALT Line chart titled 'One developer's Cursor chat store: 157 → 191 → 134 → 323 GB in nine weeks'. Four dated points of the same chat history, one SQLite file (state.vscdb), macOS, decimal GB. Aug 24: 157 GB. Sep 3: 191 GB. Sep 4: 134 GB, right after Cursor's own GC removed 2.68 million orphan blobs with 0 errors, chats older than 60 days were deleted and the file was compacted. Oct 28: 323 GB, marked in red. Subtitle: no automatic retention or size cap exists; eight weeks after the cleanup the store is 323 GB. Footer: aggregate sizes only, decimal GB (Aug 24 measured as 146.5 GiB); dated receipts of the same store; no chat content, titles or paths were read for this chart.

ALT Line chart titled 'One developer's Cursor chat store: 157 → 191 → 134 → 323 GB in nine weeks'. Four dated points of the same chat history, one SQLite file (state.vscdb), macOS, decimal GB. Aug 24: 157 GB. Sep 3: 191 GB. Sep 4: 134 GB, right after Cursor's own GC removed 2.68 million orphan blobs with 0 errors, chats older than 60 days were deleted and the file was compacted. Oct 28: 323 GB, marked in red. Subtitle: no automatic retention or size cap exists; eight weeks after the cleanup the store is 323 GB. Footer: aggregate sizes only, decimal GB (Aug 24 measured as 146.5 GiB); dated receipts of the same store; no chat content, titles or paths were read for this chart.

ALT Bar chart titled 'One developer's Cursor chat store: 322.6 GB in one SQLite file'. Six bars, the six largest payload families, decimal GB: request blobs 185.9 GB over 7,051,220 rows; messages 80.7 GB over 8,569,603 rows; large text 16.6 GB over 272,530 rows; checkpoints 13.2 GB over 20,367 rows; file contents 2.3 GB over 66,676 rows; chat metadata 1.8 GB over 19,735 rows. The six sum to 300.4 GB of value bytes; the remaining bytes are other key families and file structure, not measured. Subtitle: 19,798 conversations, 16,078,900 cursorDiskKV rows, read-only census, Cursor 3.22.7, macOS, 2026-10-28; the largest size I found posted before this: 160 GB.

ALT Bar chart titled 'One developer's Cursor chat store: 322.6 GB in one SQLite file'. Six bars, the six largest payload families, decimal GB: request blobs 185.9 GB over 7,051,220 rows; messages 80.7 GB over 8,569,603 rows; large text 16.6 GB over 272,530 rows; checkpoints 13.2 GB over 20,367 rows; file contents 2.3 GB over 66,676 rows; chat metadata 1.8 GB over 19,735 rows. The six sum to 300.4 GB of value bytes; the remaining bytes are other key families and file structure, not measured. Subtitle: 19,798 conversations, 16,078,900 cursorDiskKV rows, read-only census, Cursor 3.22.7, macOS, 2026-10-28; the largest size I found posted before this: 160 GB.

ALT Bar chart titled 'One developer's Cursor chat database: 323 GB in a single SQLite file'. Three gray bars: 125 GB Cursor storage reported on the forum, Sep 2026; a user reported a 160 GB state.vscdb, r/cursor, Sep 2026; this Mac, read-only census, Oct 28, 2026, 323 GB. Subtitle: Cursor's local chat store has no automatic retention or size cap; its GC command rewrites the whole file and needs about its size again in free space. Sizes as reported; this Mac measured 2026-10-28.






