anuengineer commented on a change in pull request #981: HDDS-1696. RocksDB use
separate Write-ahead-log location for OM RocksDB.
URL: https://github.com/apache/hadoop/pull/981#discussion_r294540419
##########
File path:
hadoop-hdds/common/src/main/java/org/apache/hadoop/utils/db/DBStoreBuilder.java
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@@ -220,4 +227,15 @@ private File getDBFile() throws IOException {
return Paths.get(dbPath.toString(), dbname).toFile();
}
+ private File getWALFile() throws IOException {
+ if (walPath == null) {
+ LOG.error("Write-ahead-log path is " +
Review comment:
Ok, in most cases this would not happen. No one would map a WAL to a
different disk. If it is mapped, then we can probably log that we detected it
is mapped. This is certainly not an error.
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