madrob commented on a change in pull request #2055:
URL: https://github.com/apache/lucene-solr/pull/2055#discussion_r517648922
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File path: solr/bin/solr
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@@ -2172,6 +2172,16 @@ function start_solr() {
SOLR_OPTS+=($AUTHC_OPTS)
fi
+ # If a heap dump directory is specified, enable it in SOLR_OPTS
+ if [[ -z "$SOLR_HEAP_DUMP_DIR" ]] && [[ "$SOLR_HEAP_DUMP" == "true" ]]; then
+ SOLR_HEAP_DUMP_DIR="${SOLR_LOGS_DIR}/dumps"
+ fi
+ if [[ -n "$SOLR_HEAP_DUMP_DIR" ]]; then
+ SOLR_OPTS+=("-XX:+HeapDumpOnOutOfMemoryError")
+ SOLR_OPTS+=("-XX:HeapDumpPath=$SOLR_HEAP_DUMP_DIR/solr-$(date
+%s)-pid$$.hprof")
+ mkdir -p "$SOLR_HEAP_DUMP_DIR" 2>/dev/null
Review comment:
I was doing it to match the call at
https://github.com/apache/lucene-solr/blob/8f75d6ff4f0d981136f64a28c173b5ac4a7263ec/solr/bin/solr#L2243
but that also had additional checks afterwards. I extracted the commonality
here and call that function instead.
mkdir can fail if you don't have permissions to that directory path, which
would also indicate that the process won't have permissions later to write the
log files.
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