// Create 3 store files.
byte[] row = Bytes.toBytes(random.nextInt());
performMultiplePutAndFlush(admin, hTable, row, FAMILY, 3, 100);
// Verify we have multiple store files.
HRegionLocation loc = hTable.getRegionLocation(row, true);
byte[] regionName = loc.getRegionInfo().getRegionName();
AdminProtos.AdminService.BlockingInterface server =
connection.getAdmin(loc.getServerName());
assertTrue(ProtobufUtil.getStoreFiles(
server, regionName, FAMILY).size() > 1);
// Issue a compaction request
admin.compact(TABLE.getName());
// poll wait for the compactions to happen
for (int i = 0; i < 10 * 1000 / 40; ++i) {
// The number of store files after compaction should be lesser.
loc = hTable.getRegionLocation(row, true);
if (!loc.getRegionInfo().isOffline()) {
regionName = loc.getRegionInfo().getRegionName();
server = connection.getAdmin(loc.getServerName());
if (ProtobufUtil.getStoreFiles(
server, regionName, FAMILY).size() <= 1) {
break;
}
}
Thread.sleep(40);
}
// verify the compactions took place and that we didn't just time out
assertTrue(ProtobufUtil.getStoreFiles(
server, regionName, FAMILY).size() <= 1);
// change the compaction.min config option for this table to 5
LOG.info("hbase.hstore.compaction.min should now be 5");
HTableDescriptor htd = new HTableDescriptor(hTable.getTableDescriptor());
htd.setValue("hbase.hstore.compaction.min", String.valueOf(5));
admin.modifyTable(TABLE, htd);
Pair<Integer, Integer> st;
while (null != (st = admin.getAlterStatus(TABLE)) && st.getFirst() > 0) {
LOG.debug(st.getFirst() + " regions left to update");
Thread.sleep(40);
}
LOG.info("alter status finished");
// Create 3 more store files.
performMultiplePutAndFlush(admin, hTable, row, FAMILY, 3, 10);
// Issue a compaction request
admin.compact(TABLE.getName());
// This time, the compaction request should not happen
Thread.sleep(10 * 1000);
loc = hTable.getRegionLocation(row, true);
regionName = loc.getRegionInfo().getRegionName();
server = connection.getAdmin(loc.getServerName());
int sfCount = ProtobufUtil.getStoreFiles(
server, regionName, FAMILY).size();
assertTrue(sfCount > 1);
// change an individual CF's config option to 2 & online schema update
LOG.info("hbase.hstore.compaction.min should now be 2");
HColumnDescriptor hcd = new HColumnDescriptor(htd.getFamily(FAMILY));
hcd.setValue("hbase.hstore.compaction.min", String.valueOf(2));
htd.addFamily(hcd);
admin.modifyTable(TABLE, htd);
while (null != (st = admin.getAlterStatus(TABLE)) && st.getFirst() > 0) {
LOG.debug(st.getFirst() + " regions left to update");
Thread.sleep(40);
}
LOG.info("alter status finished");
// Issue a compaction request
admin.compact(TABLE.getName());
// poll wait for the compactions to happen
for (int i = 0; i < 10 * 1000 / 40; ++i) {
loc = hTable.getRegionLocation(row, true);
regionName = loc.getRegionInfo().getRegionName();
try {
server = connection.getAdmin(loc.getServerName());
if (ProtobufUtil.getStoreFiles(
server, regionName, FAMILY).size() < sfCount) {
break;
}
} catch (Exception e) {