* types packages is imported more than onece
* lazy-loading
* fix bugs
* fix bugs
* fix unit tests
* fix test error
* rename function
* unload ldb after initial startup
* Don't load ldb when starting volume server if ldbtimeout is set.
* remove uncessary unloadldb
* Update weed/command/server.go
Co-authored-by: Chris Lu <chrislusf@users.noreply.github.com>
* Update weed/command/volume.go
Co-authored-by: Chris Lu <chrislusf@users.noreply.github.com>
Co-authored-by: guol-fnst <goul-fnst@fujitsu.com>
Co-authored-by: Chris Lu <chrislusf@users.noreply.github.com>
* optimiz vacuuming volume
* fix bugx
* rename parameters
* fix conflict
* change copyDataBasedOnIndexFile to an instance method
* close needlemap
* optimiz commiting Vacuum volume for leveldb index
* fix bugs
* fix leveldb loading bugs
* refactor
* fix leveldb loading bug
* add leveldb recovery
* add test case for levelDB
* modify test case to cover all the new branches
* use one tmpNm instead of two instances
* refactor
* refactor
* move setWatermark to the end
* add test for watermark and updating leveldb
* fix error logic
* refactor, add test
* check nil before close needlemapeer
add test case
fix metric bug
* add tests, fix bugs
* adjust log level
remove wrong test case
refactor
* avoid duplicate updating metric for leveldb index
This supposedly should reduce memory consumption. However, for tests
with millions of, this shows consuming more memories. Need to see
whether this will work out. If not, later boltdb will be tested.