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feat: Implements retrying logic for downloading models using --model-url flag #9255

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Merged
merged 8 commits into from
Sep 11, 2024
Merged

feat: Implements retrying logic for downloading models using --model-url flag #9255

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951084c
feat: Implements retrying logic for downloading models using --model-…
farbodbj Aug 30, 2024
3a957ec
Update common/common.cpp
farbodbj Aug 31, 2024
23eba9b
Update common/common.cpp
farbodbj Aug 31, 2024
192d4df
apply comments
farbodbj Aug 31, 2024
c8f2890
implements a retry function to avoid duplication
farbodbj Sep 6, 2024
48de4da
fix editorconfig
slaren Sep 7, 2024
7272c6f
change function name
ngxson Sep 10, 2024
f4c6761
Merge branch 'master' into add-retry-to-model-download
ngxson Sep 10, 2024
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44 changes: 34 additions & 10 deletions common/common.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2361,10 +2361,22 @@ static bool llama_download_file(const std::string & url, const std::string & pat
curl_easy_setopt(curl.get(), CURLOPT_HEADERFUNCTION, static_cast<CURLOPT_HEADERFUNCTION_PTR>(header_callback));
curl_easy_setopt(curl.get(), CURLOPT_HEADERDATA, &headers);

CURLcode res = curl_easy_perform(curl.get());
if (res != CURLE_OK) {
fprintf(stderr, "%s: curl_easy_perform() failed: %s\n", __func__, curl_easy_strerror(res));
return false;
int head_request_attempts = 3;
int remaining_request_attempts = 3;
int retry_delay = 2;
while (remaining_request_attempts > 0){
CURLcode res = curl_easy_perform(curl.get());
if (res != CURLE_OK) {
int exponential_backoff_delay = std::pow(retry_delay, (head_request_attempts - remaining_request_attempts)) * 1000;
fprintf(stderr, "%s: curl_easy_perform() failed: %s, retrying after %d miliseconds\n", __func__, curl_easy_strerror(res), exponential_backoff_delay);
remaining_request_attempts--;
std::this_thread::sleep_for(std::chrono::milliseconds(exponential_backoff_delay));
} else if (remaining_request_attempts <= 0) {
fprintf(stderr, "%s: curl_easy_perform() failed\n", __func__);
return false;
} else {
break;
}
}

long http_code = 0;
Expand Down Expand Up @@ -2438,12 +2450,24 @@ static bool llama_download_file(const std::string & url, const std::string & pat
};

// start the download
fprintf(stderr, "%s: downloading from %s to %s (server_etag:%s, server_last_modified:%s)...\n", __func__,
llama_download_hide_password_in_url(url).c_str(), path.c_str(), headers.etag.c_str(), headers.last_modified.c_str());
auto res = curl_easy_perform(curl.get());
if (res != CURLE_OK) {
fprintf(stderr, "%s: curl_easy_perform() failed: %s\n", __func__, curl_easy_strerror(res));
return false;
int download_attempts = 3;
int remaining_attempts = 3;
int retry_delay = 2;
while (remaining_attempts > 0){
fprintf(stderr, "%s: trying to download model from %s to %s (server_etag:%s, server_last_modified:%s)...\n", __func__,
llama_download_hide_password_in_url(url).c_str(), path.c_str(), headers.etag.c_str(), headers.last_modified.c_str());
auto res = curl_easy_perform(curl.get());
if (res != CURLE_OK) {
int exponential_backoff_delay = std::pow(retry_delay, (download_attempts - remaining_attempts)) * 1000;
fprintf(stderr, "\n%s: curl_easy_perform() failed: %s, retrying after %d miliseconnds\n", __func__, curl_easy_strerror(res), exponential_backoff_delay);
remaining_attempts--;
std::this_thread::sleep_for(std::chrono::milliseconds(exponential_backoff_delay));
} else if (remaining_attempts <= 0) {
fprintf(stderr, "%s: curl_easy_perform() failed\n", __func__);
return false;
} else {
break;
}
}

long http_code = 0;
Expand Down