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Posted to dev@pegasus.apache.org by GitBox <gi...@apache.org> on 2022/06/21 03:36:32 UTC
[GitHub] [incubator-pegasus] acelyc111 commented on a diff in pull request #1006: feat(admin-cli): support online-migrate table to another cluster using table-duplication
acelyc111 commented on code in PR #1006:
URL: https://github.com/apache/incubator-pegasus/pull/1006#discussion_r902129328
##########
admin-cli/cmd/table_migrator.go:
##########
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package cmd
+
+import (
+ "github.com/apache/incubator-pegasus/admin-cli/executor/toolkits/tablemigrator"
+ "github.com/apache/incubator-pegasus/admin-cli/shell"
+ "github.com/desertbit/grumble"
+)
+
+func init() {
+ shell.AddCommand(&grumble.Command{
+ Name: "table-migrator",
+ Help: "migrate table from current cluster to another via table duplication and metaproxy",
+ Flags: func(f *grumble.Flags) {
+ f.String("t", "table", "", "table name")
+ f.String("n", "node", "", "zk node, addrs:port, default equal with peagsus "+
+ "cluster zk addrs, you can use `cluster-info` to show it")
+ f.String("r", "root", "", "zk root path. the tool will update table addrs in "+
+ "the path of meatproxy, if you don't specify it, that is means user need manual-switch the table addrs")
+ f.String("c", "cluster", "", "target cluster name")
+ f.String("m", "meta", "", "target meta list")
+ f.Float64("p", "threshold", 100000, "pending mutation throshold when server will reject all write request")
Review Comment:
```suggestion
f.Float64("p", "threshold", 100000, "pending mutation threshold when server will reject all write request")
```
```suggestion
f.Float64("p", "threshold", 100000, "pending mutation throshold when server will reject all write request")
```
From the description, I still don't know what's it mean, and what's it effect. Could you plz give more description about it?
##########
admin-cli/cmd/table_migrator.go:
##########
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package cmd
+
+import (
+ "github.com/apache/incubator-pegasus/admin-cli/executor/toolkits/tablemigrator"
+ "github.com/apache/incubator-pegasus/admin-cli/shell"
+ "github.com/desertbit/grumble"
+)
+
+func init() {
+ shell.AddCommand(&grumble.Command{
+ Name: "table-migrator",
+ Help: "migrate table from current cluster to another via table duplication and metaproxy",
Review Comment:
Is the migrate tool bind to metaproxy? AFAIK, metaproxy is used for unify table access, how can it effect the migrate tool?
##########
admin-cli/cmd/table_version.go:
##########
@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package cmd
+
+import (
+ "github.com/apache/incubator-pegasus/admin-cli/executor"
+ "github.com/apache/incubator-pegasus/admin-cli/shell"
+ "github.com/desertbit/grumble"
+)
+
+func init() {
+ shell.AddCommand(&grumble.Command{
+ Name: "data-version",
Review Comment:
what's data version?
##########
admin-cli/executor/server_config.go:
##########
@@ -20,26 +20,20 @@
package executor
Review Comment:
Is this file modification related to this patch?
##########
admin-cli/cmd/table_migrator.go:
##########
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package cmd
+
+import (
+ "github.com/apache/incubator-pegasus/admin-cli/executor/toolkits/tablemigrator"
+ "github.com/apache/incubator-pegasus/admin-cli/shell"
+ "github.com/desertbit/grumble"
+)
+
+func init() {
+ shell.AddCommand(&grumble.Command{
+ Name: "table-migrator",
+ Help: "migrate table from current cluster to another via table duplication and metaproxy",
+ Flags: func(f *grumble.Flags) {
+ f.String("t", "table", "", "table name")
+ f.String("n", "node", "", "zk node, addrs:port, default equal with peagsus "+
+ "cluster zk addrs, you can use `cluster-info` to show it")
+ f.String("r", "root", "", "zk root path. the tool will update table addrs in "+
+ "the path of meatproxy, if you don't specify it, that is means user need manual-switch the table addrs")
+ f.String("c", "cluster", "", "target cluster name")
Review Comment:
is 'cluster name' used for duplication? Could you describe how to define and use it?
##########
admin-cli/executor/table_version.go:
##########
@@ -0,0 +1,89 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package executor
+
+import (
+ "encoding/json"
+ "fmt"
+ "strconv"
+
+ "github.com/apache/incubator-pegasus/admin-cli/util"
+ "github.com/apache/incubator-pegasus/go-client/session"
+)
+
+type TableDataVersion struct {
+ DataVersion string `json:"data_version"`
Review Comment:
I think it would be necessary to describe what is data vesion firstly. :)
##########
admin-cli/util/http_client.go:
##########
@@ -0,0 +1,78 @@
+/*
Review Comment:
Seems not highly related to this patch, would it be better to create another pr for it?
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