# Several times of large gc, then will be disconnected, this is why?

**URL:** <https://discuss.elastic.co/t/several-times-of-large-gc-then-will-be-disconnected-this-is-why/164735>\
**Category:** Elasticsearch\
**Created:** [January 18, 2019, 6:12am UTC](https://discuss.elastic.co/t/several-times-of-large-gc-then-will-be-disconnected-this-is-why/164735 "2019-01-18T06:12:53Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Leeeo](https://avatars.discourse-cdn.com/v4/letter/l/74df32/32.png) [@Leeeo](https://discuss.elastic.co/u/Leeeo)\
**Post date:** [January 18, 2019, 6:12am UTC](https://discuss.elastic.co/t/several-times-of-large-gc-then-will-be-disconnected-this-is-why/164735/1 "2019-01-18T06:12:53Z")

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logs as follows:  
[2019-01-17T23:08:19,097][INFO][o.e.m.j.JvmGcMonitorService] [node-142] [gc][101523] overhead, spent [322ms] collecting in the last [1s]  
[2019-01-17T23:08:26,107][INFO][o.e.m.j.JvmGcMonitorService] [node-142] [gc][101530] overhead, spent [370ms] collecting in the last [1s]  
[2019-01-17T23:08:34,109][INFO][o.e.m.j.JvmGcMonitorService] [node-142] [gc][101538] overhead, spent [259ms] collecting in the last [1s]  
[2019-01-17T23:10:15,126][INFO][o.e.d.z.ZenDiscovery] [node-142] master\_left [{node-141}{3kWs-rFaR\_yZVZOpRp1BFA}{nFj2LpDWS6qNIeEUKzpBLA}{192.168.30.141}{192.168.30.141:2810}], reason [failed to ping, tried [3] times, each with maximum [1m] timeout]  
[2019-01-17T23:10:15,127][WARN][o.e.d.z.ZenDiscovery] [node-142] master left (reason = failed to ping, tried [3] times, each with maximum [1m] timeout), current nodes: nodes:  
{node-143}{gIvN8KNiQsmY2Lsy20Expg}{TUXpFaUnRTKAa5Asdf19gA}{192.168.30.143}{192.168.30.143:2810}  
{node-141}{3kWs-rFaR\_yZVZOpRp1BFA}{nFj2LpDWS6qNIeEUKzpBLA}{192.168.30.141}{192.168.30.141:2810}, master  
{node-142}{aYMFcfn3RvKDVfgncxC8cQ}{yodrtCrKSaWcVI49NE9dCg}{192.168.30.142}{192.168.30.142:2810}, local

several times of disconnection likes that, before disconnection there will be some gc logs(3-5 times).

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [February 15, 2019, 6:12am UTC](https://discuss.elastic.co/t/several-times-of-large-gc-then-will-be-disconnected-this-is-why/164735/2 "2019-02-15T06:12:55Z")

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