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Posted to reviews@iotdb.apache.org by GitBox <gi...@apache.org> on 2021/01/25 11:46:43 UTC
[GitHub] [iotdb] haimeiguo opened a new pull request #2576: store last point when use sdt encoding
haimeiguo opened a new pull request #2576:
URL: https://github.com/apache/iotdb/pull/2576
SDT compression is trigger by flushing, in current implementation the last point before flushing is not stored.
The pr fixes this issue.
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[GitHub] [iotdb] jixuan1989 commented on pull request #2576: store last point when use sdt encoding
Posted by GitBox <gi...@apache.org>.
jixuan1989 commented on pull request #2576:
URL: https://github.com/apache/iotdb/pull/2576#issuecomment-766829091
Hi, could you add all PRs about the SDT to the SDT related jira ticket?
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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2576: store last point when use sdt encoding
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URL: https://github.com/apache/iotdb/pull/2576#issuecomment-766768875
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[GitHub] [iotdb] jixuan1989 commented on pull request #2576: store last point when use sdt encoding
Posted by GitBox <gi...@apache.org>.
jixuan1989 commented on pull request #2576:
URL: https://github.com/apache/iotdb/pull/2576#issuecomment-766829091
Hi, could you add all PRs about the SDT to the SDT related jira ticket?
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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2576: store last point when use sdt encoding
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[GitHub] [iotdb] jixuan1989 commented on a change in pull request #2576: [IOTDB-1091] SDT improvement store last point
Posted by GitBox <gi...@apache.org>.
jixuan1989 commented on a change in pull request #2576:
URL: https://github.com/apache/iotdb/pull/2576#discussion_r565899826
##########
File path: tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/ChunkWriterImpl.java
##########
@@ -174,26 +174,26 @@ private void checkSdtEncoding() {
@Override
public void write(long time, long value) {
if (!isSdtEncoding || sdtEncoder.encodeLong(time, value)) {
- if (isSdtEncoding) {
- //store last read time and value
- time = sdtEncoder.getTime();
- value = sdtEncoder.getLongValue();
- }
+ pageWriter.write(isSdtEncoding ? sdtEncoder.getTime() : time,
+ isSdtEncoding ? sdtEncoder.getLongValue() : value);
+ }
+ // store last point for sdtEncoding
+ if (isSdtEncoding && isLastPoint) {
Review comment:
if (! isSdtEncoding || isLastPoint) {
pageWriter.write(time, value);
} else if (sdtEncoder.encodeLong(time, value)) {
pageWriter.write(sdtEncoder.getTime(), sdtEncoder.getLongValue());
}
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[GitHub] [iotdb] mychaow commented on a change in pull request #2576: [IOTDB-1091] SDT improvement store last point
Posted by GitBox <gi...@apache.org>.
mychaow commented on a change in pull request #2576:
URL: https://github.com/apache/iotdb/pull/2576#discussion_r565753091
##########
File path: tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/ChunkWriterImpl.java
##########
@@ -174,26 +174,26 @@ private void checkSdtEncoding() {
@Override
public void write(long time, long value) {
if (!isSdtEncoding || sdtEncoder.encodeLong(time, value)) {
- if (isSdtEncoding) {
- //store last read time and value
- time = sdtEncoder.getTime();
- value = sdtEncoder.getLongValue();
- }
+ pageWriter.write(isSdtEncoding ? sdtEncoder.getTime() : time,
+ isSdtEncoding ? sdtEncoder.getLongValue() : value);
+ }
+ // store last point for sdtEncoding
+ if (isSdtEncoding && isLastPoint) {
Review comment:
last point may store twice?
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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2576: [IOTDB-1091] SDT improvement store last point
Posted by GitBox <gi...@apache.org>.
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URL: https://github.com/apache/iotdb/pull/2576#issuecomment-768994253
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[GitHub] [iotdb] jixuan1989 commented on a change in pull request #2576: [IOTDB-1091] SDT improvement store last point
Posted by GitBox <gi...@apache.org>.
jixuan1989 commented on a change in pull request #2576:
URL: https://github.com/apache/iotdb/pull/2576#discussion_r565901044
##########
File path: tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/ChunkWriterImpl.java
##########
@@ -80,7 +80,7 @@
private Statistics<?> statistics;
private boolean isSdtEncoding;
-
+ private boolean isLastPoint;
Review comment:
add comment:
used for SDT. When the ChunkWriter WILL write the last data point in the chunk, set it to true to tell SDT saves the point.
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[GitHub] [iotdb] qiaojialin merged pull request #2576: [IOTDB-1091] SDT improvement store last point
Posted by GitBox <gi...@apache.org>.
qiaojialin merged pull request #2576:
URL: https://github.com/apache/iotdb/pull/2576
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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #2576: [IOTDB-1091] SDT improvement store last point
Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #2576:
URL: https://github.com/apache/iotdb/pull/2576#issuecomment-769024169
Kudos, SonarCloud Quality Gate passed!
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[GitHub] [iotdb] jixuan1989 commented on a change in pull request #2576: [IOTDB-1091] SDT improvement store last point
Posted by GitBox <gi...@apache.org>.
jixuan1989 commented on a change in pull request #2576:
URL: https://github.com/apache/iotdb/pull/2576#discussion_r566633930
##########
File path: tsfile/src/main/java/org/apache/iotdb/tsfile/write/chunk/ChunkWriterImpl.java
##########
@@ -174,26 +174,26 @@ private void checkSdtEncoding() {
@Override
public void write(long time, long value) {
if (!isSdtEncoding || sdtEncoder.encodeLong(time, value)) {
- if (isSdtEncoding) {
- //store last read time and value
- time = sdtEncoder.getTime();
- value = sdtEncoder.getLongValue();
- }
+ pageWriter.write(isSdtEncoding ? sdtEncoder.getTime() : time,
+ isSdtEncoding ? sdtEncoder.getLongValue() : value);
+ }
+ // store last point for sdtEncoding
+ if (isSdtEncoding && isLastPoint) {
Review comment:
any problem about my logic?
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