public long writeCommit(CommitUpdateCommand cmd, int flags) {
LogCodec codec = new LogCodec(resolver);
synchronized (this) {
try {
long pos = fos.size(); // if we had flushed, this should be equal to channel.position()
if (pos == 0) {
writeLogHeader(codec);
pos = fos.size();
}
codec.init(fos);
codec.writeTag(JavaBinCodec.ARR, 3);
codec.writeInt(UpdateLog.COMMIT | flags); // should just take one byte
codec.writeLong(cmd.getVersion());
codec.writeStr(END_MESSAGE); // ensure these bytes are (almost) last in the file
endRecord(pos);
fos.flush(); // flush since this will be the last record in a log fill
assert fos.size() == channel.size();
return pos;
} catch (IOException e) {
throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, e);
}
}
}
public void distribCommit(CommitUpdateCommand cmd, List<Node> nodes, ModifiableSolrParams params)
throws IOException {
// we need to do any retries before commit...
blockAndDoRetries();
UpdateRequest uReq = new UpdateRequest();
uReq.setParams(params);
addCommit(uReq, cmd);
log.debug("Distrib commit to: {} params: {}", nodes, params);
for (Node node : nodes) {
submit(new Req(cmd.toString(), node, uReq, false), true);
}
}
@Override
public long writeCommit(CommitUpdateCommand cmd, int flags) {
LogCodec codec = new LogCodec(resolver);
synchronized (this) {
try {
long pos = fos.size(); // if we had flushed, this should be equal to channel.position()
if (pos == 0) {
writeLogHeader(codec);
pos = fos.size();
}
codec.init(fos);
codec.writeTag(JavaBinCodec.ARR, 4);
codec.writeInt(UpdateLog.COMMIT | flags); // should just take one byte
codec.writeLong(cmd.getVersion());
codec.writeTag(
JavaBinCodec.INT); // Enforce the encoding of a plain integer, to simplify decoding
fos.writeInt(
numRecords
+ 1); // the number of records in the file - +1 to account for the commit operation
// being written
codec.writeStr(END_MESSAGE); // ensure these bytes are (almost) last in the file
endRecord(pos);
fos.flush(); // flush since this will be the last record in a log fill
assert fos.size() == channel.size();
isReplaying =
false; // we have replayed and appended a commit record with the number of records in
// the file
return pos;
} catch (IOException e) {
throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, e);
}
}
}