server : improve error reporting (#13680)

This commit is contained in:
Georgi Gerganov
2025-05-21 19:46:56 +03:00
committed by GitHub
parent c76532e7ba
commit 5fbfe384d4

View File

@ -3366,14 +3366,29 @@ struct server_context {
metrics.on_decoded(slots);
if (ret != 0) {
if (n_batch == 1 || ret < 0) {
// if you get here, it means the KV cache is full - try increasing it via the context size
SRV_ERR("failed to decode the batch: KV cache is full - try increasing it via the context size, i = %d, n_batch = %d, ret = %d\n", i, n_batch, ret);
for (auto & slot : slots) {
slot.release();
send_error(slot, "Input prompt is too big compared to KV size. Please try increasing KV size.");
{
std::string err;
if (n_batch == 1 && ret == 1) {
err = "Context size has been exceeded.";
}
if (ret == -1) {
err = "Invalid input batch.";
}
if (ret < -1) {
err = "Compute error.";
}
if (!err.empty()) {
SRV_ERR("%s, i = %d, n_batch = %d, ret = %d\n", err.c_str(), i, n_batch, ret);
for (auto & slot : slots) {
slot.release();
send_error(slot, err);
}
break;
}
break; // break loop of n_batch
}
// retry with half the batch size to try to find a free slot in the KV cache