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[7.11] Explicitly set Elasticsearch heap size during CI and local development (#86513) #86575

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Dec 19, 2020
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[7.11] Explicitly set Elasticsearch heap size during CI and local development (#86513) #86575

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9 changes: 9 additions & 0 deletions packages/kbn-es/src/cluster.js
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Original file line number Diff line number Diff line change
Expand Up @@ -275,6 +275,15 @@ exports.Cluster = class Cluster {

this._log.debug('%s %s', ES_BIN, args.join(' '));

options.esEnvVars = options.esEnvVars || {};

// ES now automatically sets heap size to 50% of the machine's available memory
// so we need to set it to a smaller size for local dev and CI
// especially because we currently run many instances of ES on the same machine during CI
options.esEnvVars.ES_JAVA_OPTS =
(options.esEnvVars.ES_JAVA_OPTS ? `${options.esEnvVars.ES_JAVA_OPTS} ` : '') +
'-Xms1g -Xmx1g';

this._process = execa(ES_BIN, args, {
cwd: installPath,
env: {
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