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'Too Many Open Files' error when the DMR++ handler is run on many variables (60+), or for many repetitions (60+)
Description
Based on the error logs, it could be here, since this is the only call to curl_easy_strerror() that is not prefixed with some identifying string.
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CURLcode res = curl_easy_setopt(handle->d_handle, CURLOPT_URL, chunk->get_data_url().c_str());
if (res != CURLE_OK) throw BESInternalError(string(curl_easy_strerror(res)), __FILE__, __LINE__);inside
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dmrpp_easy_handle *
CurlHandlePool::get_easy_handle(Chunk *chunk)
{
}But that is not the case. It's actually
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2018-10-04T00:37:52GMT|&|1863|&|ERROR: BES Internal Error: Too many open files (BES error code: 1).
2018-10-04T00:37:52GMT|&|1863|&| at: BESFileLockingCache.cc:493(I changed how BESError objects are logged when Verbose logging is turned on.)
This is error comes from:
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static bool getSharedLock(const string &file_name, int &ref_fd)
{
BESDEBUG("cache2", "getSharedLock(): Acquiring cache read lock for " << file_name <<endl);
int fd;
if ((fd = open(file_name.c_str(), O_RDONLY)) < 0) {
switch (errno) {
case ENOENT:
return false;
default:
throw BESInternalError(get_errno(), __FILE__, __LINE__);
}
}
...
}I will change the BESDEBUG lines so that we can track lock/unlock operations and re-run the tests.
Environment
None
Status
Assignee
James Gallagher
Reporter
James Gallagher
Labels
None
Fix versions
Story Points
None
Epic Link
Priority
Highest