Hi! Thanks for the bench! I caught this: vshpilevoy:test v.shpilevoy$ ./unit/coll_bench.test Language: Eng Assertion failed: (i == size), function reading, file /Users/v.shpilevoy/Work/Repositories/tarantool/test/unit/coll_bench.cpp, line 58. Abort trap: 6 I just run the bench, nothing more.