Bukkit

What steps will reproduce the problem?
1. Not sure, Maybe just people placing blocks
2. Not sure
3. Not sure

What is the expected output? What do you see instead?
No lag, no console errors.  Console errors and lag spikes.

What version of the product are you using?
  »Never ever answer "Latest"!!!«
v2.3-beta

Do you have an error log of what happened?
[01:29:32] [LC BlockState DB-Thread/INFO]: [LimitedCreative] <BlockState> Large DB-Queue in LC BlockState DB-Thread: 221
[01:29:33] [LC BlockState DB-Thread/INFO]: [LimitedCreative] <BlockState> Large DB-Queue in LC BlockState DB-Thread: 201
[01:29:34] [LC BlockState DB-Thread/INFO]: [LimitedCreative] <BlockState> Large DB-Queue in LC BlockState DB-Thread: 152
[01:29:35] [LC BlockState DB-Thread/INFO]: [LimitedCreative] <BlockState> Large DB-Queue in LC BlockState DB-Thread: 129
[01:29:35] [LC BlockState DB-Thread/INFO]: [LimitedCreative] <BlockState> Large DB-Queue in LC BlockState DB-Thread: 134

Please provide any additional information below.
I've disabled worledit integration as I've read some other tickets.  I've also restarted the server and this has been going on for for 3 or so days now.  Everytime the console error shows the lag spike is there.

I have the same issue. its anoying.

It's a shame the devs last login was Jan 11, 2014. Hopefully he's alright.

he's busy with other projects. You can contact him at his IRC channel. You can find link to it from the front page