wenzhenghu commented on code in PR #55772:
URL: https://github.com/apache/doris/pull/55772#discussion_r2685103379
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fe/fe-common/src/main/java/org/apache/doris/common/Config.java:
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@@ -3771,6 +3771,12 @@ public static int metaServiceRpcRetryTimes() {
@ConfField(mutable = true)
public static String aws_credentials_provider_version = "v2";
+ @ConfField(mutable = true, description = {
+ "用户的单个查询能使用的 FILE_CACHE 比例的软上限（取值范围 1 到 100），100表示能够使用全量 FILE_CACHE",
+ "The soft upper limit of FILE_CACHE percent that a single query of a
user can use, (range: 1 to 100).",
+ "100 indicate that the full FILE_CACHE capacity can be used. "
+ })
+ public static int file_cache_query_limit_percent_soft = 100;
Review Comment:
config的配置是规定了session var能配置的上限。避免用户无节制设置高值，导致query limit功能失去意义。提供session
var是为了用户在允许的范围内根据自己的需要合理设置。
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