ndimiduk commented on a change in pull request #917: HBASE-23383 [hbck2]
`fixHoles` should queue assignment procedures for any regions its fixing
URL: https://github.com/apache/hbase/pull/917#discussion_r365466933
##########
File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/master/MetaFixer.java
##########
@@ -86,74 +84,133 @@ void fix() throws IOException {
* If hole, it papers it over by adding a region in the filesystem and to
hbase:meta.
* Does not assign.
*/
- void fixHoles(CatalogJanitor.Report report) throws IOException {
- List<Pair<RegionInfo, RegionInfo>> holes = report.getHoles();
+ void fixHoles(CatalogJanitor.Report report) {
+ final List<Pair<RegionInfo, RegionInfo>> holes = report.getHoles();
if (holes.isEmpty()) {
- LOG.debug("No holes.");
+ LOG.info("CatalogJanitor Report contains no holes to fix. Skipping.");
return;
}
- for (Pair<RegionInfo, RegionInfo> p: holes) {
- RegionInfo ri = getHoleCover(p);
- if (ri == null) {
- continue;
- }
- Configuration configuration = this.masterServices.getConfiguration();
- HRegion.createRegionDir(configuration, ri,
FSUtils.getRootDir(configuration));
- // If an error here, then we'll have a region in the filesystem but not
- // in hbase:meta (if the below fails). Should be able to rerun the fix.
- // Add to hbase:meta and then update in-memory state so it knows of new
- // Region; addRegionToMeta adds region and adds a state column set to
CLOSED.
- MetaTableAccessor.addRegionToMeta(this.masterServices.getConnection(),
ri);
- this.masterServices.getAssignmentManager().getRegionStates().
- updateRegionState(ri, RegionState.State.CLOSED);
- LOG.info("Fixed hole by adding {} in CLOSED state; region NOT assigned
(assign to ONLINE).",
- ri);
- }
+
+ LOG.info("Identified {} region holes to fix. Detailed fixup progress
logged at DEBUG.",
Review comment:
I want the system to log at least acknowledgement that the operator
requested a run. That's the above log line -- an empty CatalogJanitor Report
means no work to do. This line is setting the stage for how much work it thinks
needs done.
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
With regards,
Apache Git Services
