torwig commented on code in PR #2823:
URL: https://github.com/apache/kvrocks/pull/2823#discussion_r2038857826
##########
src/stats/log_collector.cc:
##########
@@ -89,6 +101,37 @@ void LogCollector<T>::PushEntry(std::unique_ptr<T> &&entry)
{
entries_.push_front(std::move(entry));
}
+template <>
+void LogCollector<SlowEntry>::PushEntry(std::unique_ptr<SlowEntry> &&entry) {
+ std::lock_guard<std::mutex> guard(mu_);
+ entry->id = ++id_;
+ entry->time = util::GetTimeStamp();
+ if (max_entries_ > 0 && !entries_.empty() && entries_.size() >=
static_cast<size_t>(max_entries_)) {
+ entries_.pop_back();
+ }
+
+ if (slowlog_save_to_logfile_) {
+ std::string cmd;
+ if (entry->args.size() > 0) {
+ for (const auto &arg: entry->args) {
+ cmd.append(arg).append(" ");
+ }
+ cmd.pop_back();
+ }
+ // json format
+ auto log = fmt::format("[slowlog] {{\"id\":{}, \"timestamp\":{},
\"duration\":{}, \"cmd\":\"{}\", "
+ "\"ip\":\"{}\", \"port\":{}, \"client_name\":\"{}\"}}",
+ entry->id, entry->time, entry->duration, cmd, entry->ip, entry->port,
entry->client_name);
Review Comment:
In my opinion there are two options:
1. Make a slow log in the same format as other logs.
2. Introduce a setting to choose the JSON format for the slow log records.
I would like to hear opinions on this.
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