Examples with HoodieCleanFileInfo org.apache.hudi.avro.model.HoodieCleanFileInfo used on opensource projects

Example 1 with HoodieCleanFileInfo

use of org.apache.hudi.avro.model.HoodieCleanFileInfo in project hudi by apache.

the class CleanPlanActionExecutor method requestClean.

/**
 * Generates List of files to be cleaned.
 *
 * @param context HoodieEngineContext
 * @return Cleaner Plan
 */
HoodieCleanerPlan requestClean(HoodieEngineContext context) {
    try {
        CleanPlanner<T, I, K, O> planner = new CleanPlanner<>(context, table, config);
        Option<HoodieInstant> earliestInstant = planner.getEarliestCommitToRetain();
        context.setJobStatus(this.getClass().getSimpleName(), "Obtaining list of partitions to be cleaned");
        List<String> partitionsToClean = planner.getPartitionPathsToClean(earliestInstant);
        if (partitionsToClean.isEmpty()) {
            LOG.info("Nothing to clean here. It is already clean");
            return HoodieCleanerPlan.newBuilder().setPolicy(HoodieCleaningPolicy.KEEP_LATEST_COMMITS.name()).build();
        }
        LOG.info("Total Partitions to clean : " + partitionsToClean.size() + ", with policy " + config.getCleanerPolicy());
        int cleanerParallelism = Math.min(partitionsToClean.size(), config.getCleanerParallelism());
        LOG.info("Using cleanerParallelism: " + cleanerParallelism);
        context.setJobStatus(this.getClass().getSimpleName(), "Generating list of file slices to be cleaned");
        Map<String, List<HoodieCleanFileInfo>> cleanOps = context.map(partitionsToClean, partitionPathToClean -> Pair.of(partitionPathToClean, planner.getDeletePaths(partitionPathToClean)), cleanerParallelism).stream().collect(Collectors.toMap(Pair::getKey, y -> CleanerUtils.convertToHoodieCleanFileInfoList(y.getValue())));
        return new HoodieCleanerPlan(earliestInstant.map(x -> new HoodieActionInstant(x.getTimestamp(), x.getAction(), x.getState().name())).orElse(null), config.getCleanerPolicy().name(), CollectionUtils.createImmutableMap(), CleanPlanner.LATEST_CLEAN_PLAN_VERSION, cleanOps);
    } catch (IOException e) {
        throw new HoodieIOException("Failed to schedule clean operation", e);
    }
}