}
KeyExtent keyExtent = new KeyExtent(tkeyExtent);
Tablet tablet = onlineTablets.get(new KeyExtent(keyExtent));
if (tablet == null) {
throw new NotServingTabletException(tkeyExtent);
}
if (!keyExtent.getTableId().toString().equals(Constants.METADATA_TABLE_ID))
TabletServer.this.resourceManager.waitUntilCommitsAreEnabled();
long opid = writeTracker.startWrite(TabletType.type(keyExtent));
try {
Mutation mutation = new Mutation(tmutation);
List<Mutation> mutations = Collections.singletonList(mutation);
Span prep = Trace.start("prep");
CommitSession cs = tablet.prepareMutationsForCommit(new TservConstraintEnv(authenticator, credentials), mutations);
prep.stop();
if (cs == null) {
throw new NotServingTabletException(tkeyExtent);
}
while (true) {
try {
Span wal = Trace.start("wal");