MySQL Column Default Value Expression Invalid Error After Migration
An "invalid default value" error after a migration usually means either your MySQL version's rules around what counts as a valid column default changed, or the...
Search
903 results for "Gin"
MySQL "Deadlock Found When Trying to Get Lock; Try Restarting Transaction" on Concurrent INSERTS
Deadlocks between concurrent INSERT statements specifically (rather than mixed read/write or UPDATE-heavy workloads) have their own distinct cause — InnoDB's...
MySQL max_allowed_packet Size Exceeded on BLOB/TEXT Data
Large BLOB/TEXT data specifically tends to hit max_allowed_packet limits more often than typical row data, simply because these column types are exactly the...
Bash grep Slow on Large Files, Fast Alternatives and Flags
grep can genuinely be slow on very large files or codebases, but a meaningful portion of that slowness often comes from not using the flags that actually...
Bash Script CRLF Character Causing Hidden Syntax Errors
CRLF characters in a Bash script are, by definition, invisible in a normal text editor — the carriage return character doesn't display as anything visible,...
Bash Script Syntax Error Near Unexpected Token `then` or `fi`
"Syntax error near unexpected token" for then or fi almost always means Bash's parser reached that keyword in a context where the surrounding if statement's...
Linux Memory Leak Analysis: free -m High "Used" Memory vs Cached/Buffers
High "used" memory reported by free -m is very often not a leak at all — Linux deliberately uses available RAM for disk caching and buffers to improve...
Linux "No Space Left on Device" Caused by Unlinked Deleted Files Holding Disk Space
When a Linux disk reports full despite deleted files, the space is very often still held by a long-running service — like journald, a database, or a web server...
Linux Process Stuck in D State (Uninterruptible Sleep), How to Handle
A process stuck in D state (uninterruptible sleep) is waiting on a kernel-level operation, typically I/O — and critically, it genuinely cannot be killed with a...