mcvsubbu commented on code in PR #9289:
URL: https://github.com/apache/pinot/pull/9289#discussion_r957559540
##########
pinot-controller/src/main/java/org/apache/pinot/controller/api/resources/PinotRealtimeTableResource.java:
##########
@@ -77,14 +77,29 @@ public Response pauseConsumption(
@POST
@Path("/tables/{tableName}/resumeConsumption")
@Produces(MediaType.APPLICATION_JSON)
- @ApiOperation(value = "Resume consumption of a realtime table",
- notes = "Resume the consumption for a realtime table")
+ @ApiOperation(value = "Resume consumption of a realtime table", notes =
+ "Resume the consumption for a realtime table. ConsumeFrom parameter
indicates from which offsets "
+ + "consumption should resume. If consumeFrom parameter is not
provided or 'best' option is chosen, "
+ + "consumption continues based on the offsets in segment ZK
metadata, and in case the offsets are already "
+ + "gone, the first available offsets are picked to minimize the data
loss.")
public Response resumeConsumption(
- @ApiParam(value = "Name of the table", required = true)
@PathParam("tableName") String tableName) {
+ @ApiParam(value = "Name of the table", required = true)
@PathParam("tableName") String tableName,
+ @ApiParam(value = "earliest | latest | best") @QueryParam("consumeFrom")
String consumeFrom) {
String tableNameWithType =
TableNameBuilder.REALTIME.tableNameWithType(tableName);
validate(tableNameWithType);
+ String offsetCriteria;
+ if ("earliest".equalsIgnoreCase(consumeFrom)) {
+ offsetCriteria = "smallest";
+ } else if ("latest".equalsIgnoreCase(consumeFrom)) {
+ offsetCriteria = "largest";
+ } else if (consumeFrom == null || "best".equalsIgnoreCase(consumeFrom)) {
+ offsetCriteria = null;
+ } else {
Review Comment:
These may not apply to the use cases that we are considering, but for
completeness, we can have it (or, we can choose to add later)
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