if (debug.val)
LOG.debug(String.format("Redirecting transaction request to partition #%d on %s",
partition, HStoreThreadManager.formatSiteName(dest_site_id)));
ByteString bs = ByteString.copyFrom(serializedRequest);
TransactionRedirectRequest mr = TransactionRedirectRequest.newBuilder()
.setSenderSite(this.local_site_id)
.setWork(bs)
.build();
this.channels[dest_site_id].transactionRedirect(new ProtoRpcController(), mr, callback);
}