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etcd-dump-logs: minor editting in README.md

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Wenjia Zhang 2018-06-19 15:37:04 -07:00
parent 854e9e1174
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1 changed files with 24 additions and 20 deletions
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tools/etcd-dump-logs/README.md
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@ -30,7 +30,7 @@ Flags:
``` ```
#### etcd-dump-logs -entry-type <ENTRY_TYPE_NAME(S)> [data dir] #### etcd-dump-logs -entry-type <ENTRY_TYPE_NAME(S)> [data dir]
Lists all the interested entries from WAL log. Filter entries by type from WAL log.
``` ```
$ etcd-dump-logs -entry-type IRRTxn /tmp/datadir $ etcd-dump-logs -entry-type IRRTxn /tmp/datadir
@ -65,10 +65,32 @@ Entry types (ConfigChange,IRRCompaction) count is : 5
``` ```
#### etcd-dump-logs -stream-decoder <EXECUTABLE_DECODER> [data dir] #### etcd-dump-logs -stream-decoder <EXECUTABLE_DECODER> [data dir]
Decode each entry based on logic in the passed decoder. Decoded status and decoded data are listed in separated tab/columns in the ouput. For parsing purpose, the output from decoder are expected to be in format of "<DECODING_STATUS>|<DECODED_DATA". Please refer to [decoder_correctoutputformat.sh] as an example. Decode each entry based on logic in the passed decoder. Decoder status and decoded data are listed in separated tab/columns in the ouput. For parsing purpose, the output from decoder are expected to be in format of "<DECODER_STATUS>|<DECODED_DATA>". Please refer to [decoder_correctoutputformat.sh] as an example.
However, if the decoder output format is not as expected, "decoder_status" will be "decoder output format is not right, print output anyway", and all output from decoder will be considered as "decoded_data" However, if the decoder output format is not as expected, "decoder_status" will be "decoder output format is not right, print output anyway", and all output from decoder will be considered as "decoded_data"
```
$ etcd-dump-logs -stream-decoder decoder_correctoutputformat.sh /tmp/datadir
Snapshot:
empty
Start dupmping log entries from snapshot.
WAL metadata:
nodeID=0 clusterID=0 term=0 commitIndex=0 vote=0
WAL entries:
lastIndex=34
term index type data decoder_status decoded_data
1 1 conf method=ConfChangeAddNode id=2 ERROR jhjaajjjahjbbbjj
3 2 norm noop OK jhjjabjjaajfbfgjfagdfhcjbbahgbbbfhfegibbcabbfhffbbbcbbfhfibbcaebbbgiffbbedgdbhjacbjjchjjdjjjdhjiejjjehjafjjjfhjjgjjjghjahjjajjhhjajj
3 3 norm method=QGET path="/path1" OK jhjaabjdeadgdeedaajfbfgjfagdfhcabbacgbbbcjbbcabbcabbbcbbcbbbcaebbbccbbedgdbhjjcbjjchjjdjjjdhjiejjjehjafjjjfhjjgjjjghjahjjajjhhjajj
7 4 norm ID:8 txn:<success:<request_delete_range:<key:"a" range_end:"b" > > failure:<request_delete_range:<key:"a" range_end:"b" > > > OK jhjhcbadabjhaajfjajafaabjafbaajhaajfjajafaabjafb
8 5 norm ID:9 compaction:<physical:true > ERROR jhjicajbajja
9 6 norm ID:10 lease_grant:<TTL:1 ID:1 > ERROR jhjadbjdjhjaajja
12 7 norm ID:13 auth_enable:<> ERROR jhjdcbcejj
27 8 norm ??? ERROR cf
Entry types () count is : 8
```
``` ```
$ etcd-dump-logs -stream-decoder decoder_wrongoutputformat.sh /tmp/datadir $ etcd-dump-logs -stream-decoder decoder_wrongoutputformat.sh /tmp/datadir
Snapshot: Snapshot:
@ -89,24 +111,6 @@ term index type data decoder_status decoded_data
27 8 norm ??? decoder output format is not right, print output anyway cf 27 8 norm ??? decoder output format is not right, print output anyway cf
Entry types () count is : 8 Entry types () count is : 8
$ etcd-dump-logs -stream-decoder decoder_wrongoutputformat.sh /tmp/datadir
Snapshot:
empty
Start dupmping log entries from snapshot.
WAL metadata:
nodeID=0 clusterID=0 term=0 commitIndex=0 vote=0
WAL entries:
lastIndex=34
term index type data decoder_status decoded_data
1 1 conf method=ConfChangeAddNode id=2 ERROR jhjaajjjahjbbbjj
3 2 norm noop OK jhjjabjjaajfbfgjfagdfhcjbbahgbbbfhfegibbcabbfhffbbbcbbfhfibbcaebbbgiffbbedgdbhjacbjjchjjdjjjdhjiejjjehjafjjjfhjjgjjjghjahjjajjhhjajj
3 3 norm method=QGET path="/path1" OK jhjaabjdeadgdeedaajfbfgjfagdfhcabbacgbbbcjbbcabbcabbbcbbcbbbcaebbbccbbedgdbhjjcbjjchjjdjjjdhjiejjjehjafjjjfhjjgjjjghjahjjajjhhjajj
7 4 norm ID:8 txn:<success:<request_delete_range:<key:"a" range_end:"b" > > failure:<request_delete_range:<key:"a" range_end:"b" > > > OK jhjhcbadabjhaajfjajafaabjafbaajhaajfjajafaabjafb
8 5 norm ID:9 compaction:<physical:true > ERROR jhjicajbajja
9 6 norm ID:10 lease_grant:<TTL:1 ID:1 > ERROR jhjadbjdjhjaajja
12 7 norm ID:13 auth_enable:<> ERROR jhjdcbcejj
27 8 norm ??? ERROR cf
Entry types () count is : 8
``` ```
#### etcd-dump-logs -start-index <INDEX NUMBER> [data dir] #### etcd-dump-logs -start-index <INDEX NUMBER> [data dir]