fix bug

conf/pika.conf

@@ -347,7 +347,7 @@ level0-slowdown-writes-trigger : 20
 level0-file-num-compaction-trigger : 4
 
 #rocksdb statistics tickers
-open_rocksdb_statistics_tickers : no
+open-rocksdb-statistics-tickers : no
 
 # The maximum size of the response package to client to prevent memory
 # exhaustion caused by commands like 'keys *' and 'Scan' which can generate huge response.

src/pika_admin.cc

@@ -2152,6 +2152,12 @@ void ConfigCmd::ConfigGet(std::string& ret) {
                                       : EncodeString(&config_body, "resetchannels");
   }
 
+  if (pstd::stringmatch(pattern.data(), "open-rocksdb-statistics-tickers", 1)) {
+    elements += 2;
+    EncodeString(&config_body, "open-rocksdb-statistics-tickers");
+    EncodeNumber(&config_body, g_pika_conf->open_rocksdb_statistics_tickers());
+  }
+
   std::stringstream resp;
   resp << "*" << std::to_string(elements) << "\r\n" << config_body;
   ret = resp.str();

src/pika_conf.cc

@@ -694,6 +694,11 @@ int PikaConf::Load() {
     max_rsync_parallel_num_ = kMaxRsyncParallelNum;
   }
 
+  // rocksdb_statistics_tickers
+  std::string open_tickers;
+  GetConfStr("open-rocksdb-statistics-tickers", &open_tickers);
+  open_rocksdb_statistics_tickers_ = open_tickers == "yes";
+
   int64_t tmp_rsync_timeout_ms = -1;
   GetConfInt64("rsync-timeout-ms", &tmp_rsync_timeout_ms);
   if(tmp_rsync_timeout_ms <= 0){
@@ -797,6 +802,7 @@ int PikaConf::ConfigRewrite() {
   SetConfStr("slotmigrate", slotmigrate_.load() ? "yes" : "no");
   SetConfInt64("slotmigrate-thread-num", slotmigrate_thread_num_);
   SetConfInt64("thread-migrate-keys-num", thread_migrate_keys_num_);
+  SetConfStr("open-rocksdb-statistics-tickers", open_rocksdb_statistics_tickers_ ? "yes" : "no");
   // slaveof config item is special
   SetConfStr("slaveof", slaveof_);
   // cache config