2 Samuel 8:15-18
15. David executed judgment and justice unto all his people—Though involved in foreign wars, he maintained an excellent system of government at home, the most eminent men of the age composing his cabinet of ministers.
16. Joab . . . was over the host—by virtue of a special promise (2Sa 5:8).
recorder—historiographer or daily annalist, an office of great trust and importance in Eastern countries.17. Zadok . . . and Ahimelech . . . were the priests—On the massacre of the priests at Nob, [1Sa 22:19], Saul conferred the priesthood on Zadok, of the family of Eleazar (1Ch 6:50), while David acknowledged Ahimelech, of Ithamar's family, who fled to him. The two high priests exercised their office under the respective princes to whom they were attached. But, on David's obtaining the kingdom over all Israel, they both retained their dignity; Ahimelech officiating at Jerusalem, and Zadok at Gibeon (1Ch 16:39).
18. Cherethites—that is, Philistines (Zep 2:5).
Pelethites—from Pelet (1Ch 12:3). They were the valiant men who, having accompanied David during his exile among the Philistines, were made his bodyguard.