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I will provide postgresql data recovery for deleted or updated rows
PostgreSQL Data Recovery Specialist , PostgreSQL ACE
Lost access to PostgreSQL data? I help recover data from corrupted PGDATA files, damaged clusters, accidental DELETE/UPDATE/TRUNCATE/DROP operations, and databases that no longer start. I'm Zhang Chen...
About this Gig
I provide read-only PostgreSQL data recovery for authorized systems. This Gig focuses on accidentally deleted or overwritten data, but I can assess and recover across four incident types:
Dropped objects: DROP DATABASE, DROP SCHEMA or DROP TABLE Databases that will not start: FATAL/PANIC, checkpoint, control-file or WAL failures Mistaken data loss: DELETE, UPDATE or TRUNCATE Corrupted data files: damaged PGDATA, relation files, 8KB pages, TOAST, checksum or disk I/O errors
I preserve the original evidence and work from a copy whenever possible. Depending on the case, I analyze heap pages, MVCC tuple remnants, WAL, catalogs, relation files, page structure, TOAST and known DDL.
Deliverables may include SQL, COPY or CSV exports, recovered object definitions, row/type validation and a concise report.
Recovery is best-effort. Results depend on later writes, VACUUM, file reuse, WAL retention, media damage, PostgreSQL version and available evidence. Stop writes and preserve PGDATA and pg_wal before ordering if safe.
Only systems and data you own or are authorized to administer.
Database type:
Relational database
My Portfolio
FAQ
Can you guarantee that my data will be recovered?
No. PostgreSQL recovery is best-effort. Results depend on overwrites, VACUUM, WAL retention, backups, version details and media condition. I will explain the evidence, limits and realistic next steps.
What should I do immediately after data loss?
If safe, stop application writes and VACUUM. Preserve pg_wal and logs, and make a full snapshot or copy before testing. Do not initialize the cluster, run pg_resetwal, or recreate affected objects on the only source.
Which PostgreSQL incidents can you investigate?
Accidental DELETE or UPDATE, missing rows, startup or WAL errors, damaged PGDATA, and backup failures.
Can you work without production credentials?
Yes. I prefer a protected clone, snapshot or evidence archive. You may also run agreed commands yourself and return the outputs. Do not send passwords in Fiverr messages or requirements.
What information do you need before I order?
The exact PostgreSQL version/build, OS and architecture, incident time and timezone, logs and errors, actions taken afterward, affected objects, validation targets, and available PGDATA/WAL/backups/DDL.
What will I receive?
Depending on the case: SQL, COPY or CSV exports; recovered object structure; row and type validation; relevant recovery artifacts; and a concise report explaining method, evidence, limitations and next steps.
What happens if no usable rows can be extracted?
You will still receive the agreed written result: evidence reviewed, tests performed, recoverability limits, why extraction failed, and the safest remaining options.
Can deleted PostgreSQL rows always be recovered?
No. Recovery depends on whether old tuple versions or WAL evidence still exist. Later writes, VACUUM
