Quanlong Huang created IMPALA-9817: -------------------------------------- Summary: Document flags of Fetch-on-demand metadata coordinators Key: IMPALA-9817 URL: https://issues.apache.org/jira/browse/IMPALA-9817 Project: IMPALA Issue Type: Documentation Reporter: Quanlong Huang
We need to document about these flags: {code:java} DEFINE_bool_hidden(use_local_catalog, false, "Use experimental implementation of a local catalog. If this is set, " "the catalog service is not used and does not need to be started."); DEFINE_int32_hidden(local_catalog_cache_mb, -1, "If --use_local_catalog is enabled, configures the size of the catalog " "cache within each impalad. If this is set to -1, the cache is auto-" "configured to 60% of the configured Java heap size. Note that the Java " "heap size is distinct from and typically smaller than the overall " "Impala memory limit."); DEFINE_int32_hidden(local_catalog_cache_expiration_s, 60 * 60, "If --use_local_catalog is enabled, configures the expiration time " "of the catalog cache within each impalad. Even if the configured " "cache capacity has not been reached, items are removed from the cache " "if they have not been accessed in this amount of time."); DEFINE_int32_hidden(local_catalog_max_fetch_retries, 40, "If --use_local_catalog is enabled, configures the maximum number of times " "the frontend retries when fetching a metadata object from the impalad " "coordinator's local catalog cache."); {code} [https://github.com/apache/impala/blob/052129c16a29891a72427b351bcc4e087d772fbe/be/src/runtime/exec-env.cc#L103-L120] -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-all-unsubscr...@impala.apache.org For additional commands, e-mail: issues-all-h...@impala.apache.org