analyze leveldb

This is a simple tool to analyze leveldb.

subcommand:

• kvsize: get all key/value pair size, save in sqlite database
• stats: print goleveldb stats

script tool:

• ./scripts/kvsize.py: analyze key/value size statistics

goleveldb issues reproduce

• large write buffer

Build

requirement:

glibc env:

• go 1.19
• gcc

Alpine linux env:

• gcc
• go 1.19
• musl-dev
• sqlite-dev
• sqlite-static (optional, if static link)

$ go build

static link:

$ CGO_ENABLED=1 go build -ldflags '-extldflags "-static"'