tPrint slow mempool warning message just once - electrum-personal-server - Maximally lightweight electrum server for a single user
  HTML git clone https://git.parazyd.org/electrum-personal-server
   DIR Log
   DIR Files
   DIR Refs
   DIR README
       ---
   DIR commit 659b4c00278a69c9f817f33fad2fdb7d3f34f994
   DIR parent dce6bff4768756c4ac2b0856d29ff9fe08348a15
  HTML Author: chris-belcher <chris-belcher@users.noreply.github.com>
       Date:   Thu, 14 May 2020 17:08:50 +0100
       
       Print slow mempool warning message just once
       
       Diffstat:
         M electrumpersonalserver/server/elec… |      10 +++++++---
       
       1 file changed, 7 insertions(+), 3 deletions(-)
       ---
   DIR diff --git a/electrumpersonalserver/server/electrumprotocol.py b/electrumpersonalserver/server/electrumprotocol.py
       t@@ -143,6 +143,7 @@ class ElectrumProtocol(object):
                self.subscribed_to_headers = False
                self.are_headers_raw = False
                self.txid_blockhash_map = {}
       +        self.printed_slow_mempool_warning = False
        
            def set_send_reply_fun(self, send_reply_fun):
                self.send_reply_fun = send_reply_fun
       t@@ -383,9 +384,12 @@ class ElectrumProtocol(object):
                        et = time.time()
                        MEMPOOL_WARNING_DURATION = 10 #seconds
                        if et - st > MEMPOOL_WARNING_DURATION:
       -                    self.logger.warning("Mempool very large resulting in slow "
       -                        + "response by server. Consider setting "
       -                        + "`disable_mempool_fee_histogram = true`")
       +                    if not self.printed_slow_mempool_warning:
       +                        self.logger.warning("Mempool very large resulting in"
       +                            + " slow response by server ("
       +                            + str(round(et-st, 1)) + "sec). Consider setting "
       +                            + "`disable_mempool_fee_histogram = true`")
       +                    self.printed_slow_mempool_warning = True
                        #algorithm copied from the relevant place in ElectrumX
                        #https://github.com/kyuupichan/electrumx/blob/e92c9bd4861c1e35989ad2773d33e01219d33280/server/mempool.py
                        fee_hist = defaultdict(int)