feat(metrics): simplify user error metrics

grafana/risingwave-dev-dashboard.dashboard.py

@@ -1676,53 +1676,31 @@ def section_streaming_errors(outer_panels):
             [
                 panels.timeseries_count(
                     "Compute Errors by Type",
-                    "",
+                    "Errors that happened during computation. Check the logs for detailed error message.",
                     [
                         panels.target(
-                            f"sum({metric('user_compute_error_count')}) by (error_type, error_msg, fragment_id, executor_name)",
-                            "{{error_type}}: {{error_msg}} ({{executor_name}}: fragment_id={{fragment_id}})",
-                        ),
-                        panels.target(
-                            f"sum({metric('user_compute_error')}) by (error_type, error_msg, fragment_id, executor_name)",
-                            "{{error_type}}: {{error_msg}} ({{executor_name}}: fragment_id={{fragment_id}})",
+                            f"sum({metric('user_compute_error')}) by (error_type, executor_name, fragment_id)",
+                            "{{error_type}} @ {{executor_name}} (fragment_id={{fragment_id}})",
                         ),
                     ],
                 ),
                 panels.timeseries_count(
                     "Source Errors by Type",
-                    "",
-                    [
-                        panels.target(
-                            f"sum({metric('user_source_error_count')}) by (error_type, error_msg, fragment_id, table_id, executor_name)",
-                            "{{error_type}}: {{error_msg}} ({{executor_name}}: table_id={{table_id}}, fragment_id={{fragment_id}})",
-                        ),
-                        panels.target(
-                            f"sum({metric('user_source_error')}) by (error_type, error_msg, fragment_id, table_id, executor_name)",
-                            "{{error_type}}: {{error_msg}} ({{executor_name}}: table_id={{table_id}}, fragment_id={{fragment_id}})",
-                        ),
-                    ],
-                ),
-                panels.timeseries_count(
-                    "Source Reader Errors by Type",
-                    "",
+                    "Errors that happened during source data ingestion. Check the logs for detailed error message.",
                     [
                         panels.target(
-                            f"sum({metric('user_source_reader_error_count')}) by (error_type, error_msg, actor_id, source_id, executor_name)",
-                            "{{error_type}}: {{error_msg}} ({{executor_name}}: actor_id={{actor_id}}, source_id={{source_id}})",
-                        ),
-                        panels.target(
-                            f"sum({metric('user_source_reader_error')}) by (error_type, error_msg, actor_id, source_id, executor_name)",
-                            "{{error_type}}: {{error_msg}} ({{executor_name}}: actor_id={{actor_id}}, source_id={{source_id}})",
+                            f"sum({metric('user_source_error')}) by (error_type, source_id, source_name, fragment_id)",
+                            "{{error_type}} @ {{source_name}} (source_id={{source_id}} fragment_id={{fragment_id}})",
                         ),
                     ],
                 ),
                 panels.timeseries_count(
-                    "Sink by Connector",
-                    "",
+                    "Sink Errors by Type",
+                    "Errors that happened during data sink out. Check the logs for detailed error message.",
                     [
                         panels.target(
-                            f"sum({metric('user_sink_error')}) by (connector_name, executor_id, error_msg)",
-                            "{{connector_name}}: {{error_msg}} ({{executor_id}})",
+                            f"sum({metric('user_sink_error')}) by (error_type, sink_id, sink_name, fragment_id)",
+                            "{{error_type}} @ {{sink_name}} (sink_id={{sink_id}} fragment_id={{fragment_id}})",
                         ),
                     ],
                 ),

grafana/risingwave-user-dashboard.dashboard.py

@@ -183,12 +183,16 @@ def section_overview(panels):
             "Errors in the system group by type",
             [
                 panels.target(
-                    f"sum({metric('user_compute_error_count')}) by (error_type, error_msg, fragment_id, executor_name)",
-                    "compute error {{error_type}}: {{error_msg}} ({{executor_name}}: fragment_id={{fragment_id}})",
+                    f"sum({metric('user_compute_error')}) by (error_type, executor_name, fragment_id)",
+                    "{{error_type}} @ {{executor_name}} (fragment_id={{fragment_id}})",
                 ),
                 panels.target(
-                    f"sum({metric('user_source_error_count')}) by (error_type, error_msg, fragment_id, table_id, executor_name)",
-                    "parse error {{error_type}}: {{error_msg}} ({{executor_name}}: table_id={{table_id}}, fragment_id={{fragment_id}})",
+                    f"sum({metric('user_source_error')}) by (error_type, source_id, source_name, fragment_id)",
+                    "{{error_type}} @ {{source_name}} (source_id={{source_id}} fragment_id={{fragment_id}})",
+                ),
+                panels.target(
+                    f"sum({metric('user_sink_error')}) by (error_type, sink_id, sink_name, fragment_id)",
+                    "{{error_type}} @ {{sink_name}} (sink_id={{sink_id}} fragment_id={{fragment_id}})",
                 ),
                 panels.target(
                     f"{metric('source_status_is_up')} == 0",

proto/connector_service.proto

@@ -27,6 +27,7 @@ message SinkParam {
   string db_name = 5;
   string sink_from_name = 6;
   catalog.SinkFormatDesc format_desc = 7;
+  string sink_name = 8;
 }
 
 enum SinkPayloadFormat {

src/batch/src/executor/source.rs

@@ -175,7 +175,7 @@ impl SourceExecutor {
             self.source_ctrl_opts.clone(),
             None,
             ConnectorProperties::default(),
-            "NA".to_owned(), // FIXME: source name was not passed in batch plan
+            "NA".to_owned(), // source name was not passed in batch plan
         ));
         let stream = self
             .source

src/bench/sink_bench/main.rs

@@ -457,6 +457,7 @@ async fn main() {
         .unwrap();
         let sink_param = SinkParam {
             sink_id: SinkId::new(1),
+            sink_name: cfg.sink.clone(),
             properties,
             columns: table_schema.get_sink_schema(),
             downstream_pk: table_schema.pk_indices,

src/common/src/error.rs

@@ -12,9 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-use std::collections::HashSet;
 use std::fmt::{Debug, Display, Formatter};
-use std::time::{Duration, SystemTime};
 
 use thiserror::Error;
 use thiserror_ext::Macro;
@@ -24,8 +22,6 @@ pub mod v2 {
     pub use risingwave_error::*;
 }
 
-const ERROR_SUPPRESSOR_RESET_DURATION: Duration = Duration::from_millis(60 * 60 * 1000); // 1h
-
 pub trait Error = std::error::Error + Send + Sync + 'static;
 pub type BoxedError = Box<dyn Error>;
 
@@ -183,46 +179,6 @@ macro_rules! bail {
     };
 }
 
-#[derive(Debug)]
-pub struct ErrorSuppressor {
-    max_unique: usize,
-    unique: HashSet<String>,
-    last_reset_time: SystemTime,
-}
-
-impl ErrorSuppressor {
-    pub fn new(max_unique: usize) -> Self {
-        Self {
-            max_unique,
-            last_reset_time: SystemTime::now(),
-            unique: Default::default(),
-        }
-    }
-
-    pub fn suppress_error(&mut self, error: &str) -> bool {
-        self.try_reset();
-        if self.unique.contains(error) {
-            false
-        } else if self.unique.len() < self.max_unique {
-            self.unique.insert(error.to_string());
-            false
-        } else {
-            // We have exceeded the capacity.
-            true
-        }
-    }
-
-    pub fn max(&self) -> usize {
-        self.max_unique
-    }
-
-    fn try_reset(&mut self) {
-        if self.last_reset_time.elapsed().unwrap() >= ERROR_SUPPRESSOR_RESET_DURATION {
-            *self = Self::new(self.max_unique)
-        }
-    }
-}
-
 #[cfg(test)]
 mod tests {
     use std::convert::Into;

src/common/src/metrics/error_metrics.rs

@@ -80,13 +80,15 @@ impl<const N: usize> ErrorMetric<N> {
 
 pub type ErrorMetricRef<const N: usize> = Arc<ErrorMetric<N>>;
 
+/// Metrics for counting errors in the system.
+/// The detailed error messages are not supposed to be stored in the metrics, but in the logs.
+///
+/// Please avoid adding new error metrics here. Instead, introduce new `error_type` for new errors.
 #[derive(Clone)]
 pub struct ErrorMetrics {
-    pub user_sink_error: ErrorMetricRef<3>,
-    pub user_compute_error: ErrorMetricRef<4>,
-    pub user_source_reader_error: ErrorMetricRef<5>,
-    pub user_source_error: ErrorMetricRef<5>,
-    pub cdc_source_error: ErrorMetricRef<3>,
+    pub user_sink_error: ErrorMetricRef<4>,
+    pub user_compute_error: ErrorMetricRef<3>,
+    pub user_source_error: ErrorMetricRef<4>,
 }
 
 impl ErrorMetrics {
@@ -95,40 +97,17 @@ impl ErrorMetrics {
             user_sink_error: Arc::new(ErrorMetric::new(
                 "user_sink_error",
                 "Sink errors in the system, queryable by tags",
-                &["connector_name", "executor_id", "error_msg"],
+                &["error_type", "sink_id", "sink_name", "fragment_id"],
             )),
             user_compute_error: Arc::new(ErrorMetric::new(
                 "user_compute_error",
                 "Compute errors in the system, queryable by tags",
-                &["error_type", "error_msg", "executor_name", "fragment_id"],
-            )),
-            user_source_reader_error: Arc::new(ErrorMetric::new(
-                "user_source_reader_error",
-                "Source reader error count",
-                &[
-                    "error_type",
-                    "error_msg",
-                    "executor_name",
-                    "actor_id",
-                    "source_id",
-                ],
+                &["error_type", "executor_name", "fragment_id"],
             )),
             user_source_error: Arc::new(ErrorMetric::new(
-                "user_source_error_count",
+                "user_source_error",
                 "Source errors in the system, queryable by tags",
-                &[
-                    "error_type",
-                    "error_msg",
-                    "executor_name",
-                    "fragment_id",
-                    "table_id",
-                ],
-            )),
-            // cdc source is singleton, so we use source_id to identify the connector
-            cdc_source_error: Arc::new(ErrorMetric::new(
-                "cdc_source_error",
-                "CDC source errors in the system, queryable by tags",
-                &["connector_name", "source_id", "error_msg"],
+                &["error_type", "source_id", "source_name", "fragment_id"],
             )),
         }
     }
@@ -137,19 +116,15 @@ impl ErrorMetrics {
         vec![
             &self.user_sink_error.desc,
             &self.user_compute_error.desc,
-            &self.user_source_reader_error.desc,
             &self.user_source_error.desc,
-            &self.cdc_source_error.desc,
         ]
     }
 
     fn collect(&self) -> Vec<prometheus::proto::MetricFamily> {
         vec![
             self.user_sink_error.collect(),
             self.user_compute_error.collect(),
-            self.user_source_reader_error.collect(),
             self.user_source_error.collect(),
-            self.cdc_source_error.collect(),
         ]
     }
 }

src/connector/src/parser/debezium/debezium_parser.rs

@@ -219,8 +219,10 @@ mod tests {
             }),
             protocol_config: ProtocolProperties::Debezium(DebeziumProps::default()),
         };
-        let mut source_ctx = SourceContext::default();
-        source_ctx.connector_props = ConnectorProperties::PostgresCdc(Box::default());
+        let source_ctx = SourceContext {
+            connector_props: ConnectorProperties::PostgresCdc(Box::default()),
+            ..Default::default()
+        };
         let mut parser = DebeziumParser::new(props, columns.clone(), Arc::new(source_ctx))
             .await
             .unwrap();

src/connector/src/parser/mod.rs

@@ -29,6 +29,7 @@ use risingwave_common::array::{ArrayBuilderImpl, Op, StreamChunk};
 use risingwave_common::bail;
 use risingwave_common::catalog::{KAFKA_TIMESTAMP_COLUMN_NAME, TABLE_NAME_COLUMN_NAME};
 use risingwave_common::log::LogSuppresser;
+use risingwave_common::metrics::GLOBAL_ERROR_METRICS;
 use risingwave_common::types::{Datum, Scalar, ScalarImpl};
 use risingwave_common::util::iter_util::ZipEqFast;
 use risingwave_common::util::tracing::InstrumentStream;
@@ -712,7 +713,16 @@ async fn into_chunk_stream<P: ByteStreamSourceParser>(mut parser: P, data_stream
                                 "failed to parse message, skipping"
                             );
                         }
-                        parser.source_ctx().report_user_source_error(&error);
+
+                        // report to error metrics
+                        let context = parser.source_ctx();
+                        GLOBAL_ERROR_METRICS.user_source_error.report([
+                            // TODO(eric): output ConnectorError's variant as label
+                            "source_parser".to_owned(),
+                            context.source_info.source_id.to_string(),
+                            context.source_info.source_name.clone(),
+                            context.source_info.fragment_id.to_string(),
+                        ]);
                     }
                 }
 

src/connector/src/parser/plain_parser.rs

@@ -192,8 +192,10 @@ mod tests {
             .map(|c| SourceColumnDesc::from(&c.column_desc))
             .collect::<Vec<_>>();
 
-        let mut source_ctx = SourceContext::default();
-        source_ctx.connector_props = ConnectorProperties::PostgresCdc(Box::default());
+        let source_ctx = SourceContext {
+            connector_props: ConnectorProperties::PostgresCdc(Box::default()),
+            ..Default::default()
+        };
         let source_ctx = Arc::new(source_ctx);
         // format plain encode json parser
         let parser = PlainParser::new(
@@ -343,8 +345,10 @@ mod tests {
             .collect::<Vec<_>>();
 
         // format plain encode json parser
-        let mut source_ctx = SourceContext::default();
-        source_ctx.connector_props = ConnectorProperties::MysqlCdc(Box::default());
+        let source_ctx = SourceContext {
+            connector_props: ConnectorProperties::MysqlCdc(Box::default()),
+            ..Default::default()
+        };
         let mut parser = PlainParser::new(
             SpecificParserConfig::DEFAULT_PLAIN_JSON,
             columns.clone(),

src/connector/src/sink/mod.rs

@@ -146,12 +146,19 @@ pub const SINK_USER_FORCE_APPEND_ONLY_OPTION: &str = "force_append_only";
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub struct SinkParam {
     pub sink_id: SinkId,
+    pub sink_name: String,
     pub properties: HashMap<String, String>,
     pub columns: Vec<ColumnDesc>,
     pub downstream_pk: Vec<usize>,
     pub sink_type: SinkType,
     pub format_desc: Option<SinkFormatDesc>,
     pub db_name: String,
+
+    /// - For `CREATE SINK ... FROM ...`, the name of the source table.
+    /// - For `CREATE SINK ... AS <query>`, the name of the sink itself.
+    ///
+    /// See also `gen_sink_plan`.
+    // TODO(eric): Why need these 2 fields (db_name and sink_from_name)?
     pub sink_from_name: String,
 }
 
@@ -171,6 +178,7 @@ impl SinkParam {
         };
         Self {
             sink_id: SinkId::from(pb_param.sink_id),
+            sink_name: pb_param.sink_name,
             properties: pb_param.properties,
             columns: table_schema.columns.iter().map(ColumnDesc::from).collect(),
             downstream_pk: table_schema
@@ -190,6 +198,7 @@ impl SinkParam {
     pub fn to_proto(&self) -> PbSinkParam {
         PbSinkParam {
             sink_id: self.sink_id.sink_id,
+            sink_name: self.sink_name.clone(),
             properties: self.properties.clone(),
             table_schema: Some(TableSchema {
                 columns: self.columns.iter().map(|col| col.to_protobuf()).collect(),
@@ -217,6 +226,7 @@ impl From<SinkCatalog> for SinkParam {
             .collect();
         Self {
             sink_id: sink_catalog.id,
+            sink_name: sink_catalog.name,
             properties: sink_catalog.properties,
             columns,
             downstream_pk: sink_catalog.downstream_pk,