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Add a warning log when producers are stalled

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Robby Zambito
2026-01-12 18:08:29 -05:00
parent 7bcc0c19aa
commit 9f690fe27a
1 changed files with 12 additions and 1 deletions
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13
src/Server.zig
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@@ -154,6 +154,8 @@ fn handleConnection(
) !void {
defer stream.close(io);
const clock: std.Io.Clock = .real;
var dba: std.heap.DebugAllocator(.{}) = .init;
dba.backing_allocator = server_allocator;
defer _ = dba.deinit();
@@ -208,20 +210,29 @@ fn handleConnection(
},
.PUB => {
@branchHint(.likely);
// log.debug("received a pub msg", .{});
const before = try clock.now(io);
server.publishMessage(io, rand, server_allocator, msg_write_buf, &client, .@"pub") catch |err| switch (err) {
error.ReadFailed => return reader.err.?,
error.EndOfStream => return error.ClientDisconnected,
else => |e| return e,
};
const pub_ns: i64 = @intCast(before.durationTo(try clock.now(io)).toNanoseconds());
if (pub_ns > 5 * std.time.ns_per_ms) {
log.warn("Producer was stalled for a total of for {D}", .{pub_ns});
}
},
.HPUB => {
@branchHint(.likely);
const before = try clock.now(io);
server.publishMessage(io, rand, server_allocator, msg_write_buf, &client, .hpub) catch |err| switch (err) {
error.ReadFailed => return reader.err.?,
error.EndOfStream => return error.ClientDisconnected,
else => |e| return e,
};
const pub_ns: i64 = @intCast(before.durationTo(try clock.now(io)).toNanoseconds());
if (pub_ns > 5 * std.time.ns_per_ms) {
log.warn("Producer was stalled for a total of for {D}", .{pub_ns});
}
},
.SUB => {
server.subscribe(io, server_allocator, &client, id) catch |err| switch (err) {