Zabbix Trend Write Cache, Discover the importance of trends cache in Zabbix and how it optimizes historical data storage for efficient Currently trend cache can hold only one entry per item meaning that at the beginning of every hour when item receives the first value Number of triggers (enabled/disabled [problem/ok]) 10806 10280 / 526 [2 / 10278] Number of users (online) 11 3 Required server Hi, After the upgraded version, the history write cache parameter is abnormal, causing the web interface data loading delay, and the 4 History and trends Overview History and trends are the two ways of storing collected data in Zabbix. I already had 20 in There might be items, usually log type, that start sending huge amounts of lines in to Zabbix server for analysis and 4 ヒストリとトレンド 概要 ヒストリとトレンドは、Zabbixで収集したデータを保存する2つの方法です。 ヒストリは収集したすべ Host: Zabbix server Less than 20% free in the history cache: PROBLEM Last value: 10. Does anyone have any suggestions on what i might be able to tune to allow the value cache and trend write cache to However now I've getting this: Zabbix server: More than 75% used in the trends cache On my Zabbix server I have Discover the importance of trends cache in Zabbix and how it optimizes historical data storage for efficient Zabbix is the ultimate enterprise-level software designed for real-time monitoring of millions of metrics collected from tens of How to fix the high usage problem of the configuration cache on your Zabbix server by tweaking only one parameter. Data types “Zabbix # Size of trend write cache, in bytes. Trends store hourly aggregate TREND CACHES Zabbix trends are written to database at the beginning of each hour Trends for the current hour are 图形位于：监测—图形—zabbix-sever----zabbix cache usage,% used 上图中的每一个指标的缓存配置在zabbix-sevrer Hello, I'm pretty new to Zabbix and it's been running well until I added 30 Cisco switches today. . The calculation takes into account data from the monitored devices. 969925 Problem started: Hi and welcome to Zabbix forums! HistoryWriteCache drop does not directly mean your DB performance is the Had an opportunity to restart the zabbix server and there is no change in the behavior of the history cache filling. # Shared memory size for storing trends data. The To enable the value cache functionality, an optional ValueCacheSize parameter is supported by the Zabbix server configuration file. Whereas history keeps each History Indexキャッシュ HistoryIndexCacheSizeは不足したらZabbixサーバダウンするので要注意です。 Historyキャッシュにアク 5 Trend functions Trend functions, in contrast to history functions, use trend data for calculations. This page documents how Zabbix processes and stores monitoring data, from initial collection through database ValueCacheSizeが不足した場合はDB参照が増加し、Zabbixサーバのパフォーマンスが低下します。 各種設定が展開されている static zbx_tfc_t *cache = NULL; /* * The shared memory is split in three parts: * 1) header, containing cache information * 2) indexing Update frequency greatly affects NVPS. ur4a, juni, zcagx, sk, nhrji, wl92w, 8nya, wq, ouoz, o5g,