bvaradar commented on a change in pull request #996: Fixes to ensure MOR incr
pull provides consistent results
URL: https://github.com/apache/incubator-hudi/pull/996#discussion_r345068038
##########
File path:
hudi-common/src/main/java/org/apache/hudi/common/table/timeline/HoodieActiveTimeline.java
##########
@@ -58,19 +59,28 @@
public static final SimpleDateFormat COMMIT_FORMATTER = new
SimpleDateFormat("yyyyMMddHHmmss");
- public static final Set<String> VALID_EXTENSIONS_IN_ACTIVE_TIMELINE = new
HashSet<>(Arrays.asList(new String[] {
+ public static final Set<String> VALID_EXTENSIONS_IN_ACTIVE_TIMELINE = new
HashSet<>(Arrays.asList(new String[]{
COMMIT_EXTENSION, INFLIGHT_COMMIT_EXTENSION, DELTA_COMMIT_EXTENSION,
INFLIGHT_DELTA_COMMIT_EXTENSION,
SAVEPOINT_EXTENSION, INFLIGHT_SAVEPOINT_EXTENSION, CLEAN_EXTENSION,
INFLIGHT_CLEAN_EXTENSION,
INFLIGHT_COMPACTION_EXTENSION, REQUESTED_COMPACTION_EXTENSION,
INFLIGHT_RESTORE_EXTENSION, RESTORE_EXTENSION}));
private static final transient Logger log =
LogManager.getLogger(HoodieActiveTimeline.class);
protected HoodieTableMetaClient metaClient;
+ private static AtomicReference<String> lastInstantTime = new
AtomicReference<>();
/**
* Returns next commit time in the {@link #COMMIT_FORMATTER} format.
+ * Ensures each commit time is atleast 1 second apart since we create COMMIT
times at second granularity
*/
public static String createNewCommitTime() {
- return HoodieActiveTimeline.COMMIT_FORMATTER.format(new Date());
+ lastInstantTime.updateAndGet((oldVal) -> {
Review comment:
@n3nash : I am fine with revisiting this later. Would you mind opening a
jira to decide if we need lower time granularity ?
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