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Fix assert in background compression and encryption. #1366

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merged 3 commits into from
Jun 15, 2020
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poonai
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@poonai poonai commented Jun 12, 2020

use assert to find whether, the async compression/encryption able to fit thedestination block in the allocated space. Allocated space is calculated using (item.end-item.start) + padding.

Signed-off-by: Tiger rbalajis25@gmail.com


This change is Reviewable

…fit the

destination block in the allocated space. Allocated space is calculated using
(item.end-item.start) + padding.

Signed-off-by: Tiger <rbalajis25@gmail.com>
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:lgtm:

Reviewable status: 0 of 1 files reviewed, 1 unresolved discussion (waiting on @ashish-goswami, @balajijinnah, @jarifibrahim, and @manishrjain)


table/builder.go, line 152 at r1 (raw file):

		}

		// The newend should always be less than or equal to the original end

Fix the comment, please.

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Reviewable status: 0 of 1 files reviewed, 4 unresolved discussions (waiting on @ashish-goswami, @balajijinnah, and @manishrjain)


table/builder.go, line 159 at r1 (raw file):

		allocatedSpace := (item.end - item.start) + padding
		y.AssertTruef(uint32(len(blockBuf)) <= allocatedSpace,
			"newend: %d item.end: %d padding: %d",

can we call item.end oldend(as we have newend).


table/builder.go, line 160 at r1 (raw file):

		y.AssertTruef(uint32(len(blockBuf)) <= allocatedSpace,
			"newend: %d item.end: %d padding: %d",
			(allocatedSpace-uint32(len(blockBuf)))+item.end,

newend should be: item.start+len(blockBuf)


table/builder.go, line 162 at r1 (raw file):

			(allocatedSpace-uint32(len(blockBuf)))+item.end,
			item.end,
			padding)

Can we put above lines into same line?

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:lgtm:

Reviewed 1 of 1 files at r1.
Reviewable status: all files reviewed, 4 unresolved discussions (waiting on @balajijinnah and @manishrjain)

Signed-off-by: Tiger <rbalajis25@gmail.com>
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Reviewable status: 0 of 1 files reviewed, 4 unresolved discussions (waiting on @ashish-goswami, @jarifibrahim, and @manishrjain)


table/builder.go, line 152 at r1 (raw file):

Previously, jarifibrahim (Ibrahim Jarif) wrote…

Fix the comment, please.

Done.


table/builder.go, line 159 at r1 (raw file):

Previously, ashish-goswami (Ashish Goswami) wrote…

can we call item.end oldend(as we have newend).

Done.


table/builder.go, line 160 at r1 (raw file):

Previously, ashish-goswami (Ashish Goswami) wrote…

newend should be: item.start+len(blockBuf)

Done.


table/builder.go, line 162 at r1 (raw file):

Previously, ashish-goswami (Ashish Goswami) wrote…

Can we put above lines into same line?

Done.

table/builder.go Outdated
"newend: %d item.end: %d padding: %d", len(blockBuf), item.end, padding)
// BlockBuf should always less than or equal to allocated space. If the blockBuf is greater
// than allocated space that means the data from this block cannot be stored in its
// existing location and trying to copy it over would mean we would over-writesome data

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nit: space between over-write and some

table/builder.go Outdated
// than allocated space that means the data from this block cannot be stored in its
// existing location and trying to copy it over would mean we would over-writesome data
// of the next block.
allocatedSpace := (item.end - item.start) + padding

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This may be off by 1.

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minor comments. Do fix them

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fine by me.

Reviewable status: 0 of 1 files reviewed, 6 unresolved discussions (waiting on @ashish-goswami, @balajijinnah, @jarifibrahim, and @manishrjain)

Signed-off-by: Tiger <rbalajis25@gmail.com>
@poonai poonai merged commit c45d966 into master Jun 15, 2020
@poonai poonai deleted the balaji/assert branch June 15, 2020 08:19
jarifibrahim pushed a commit that referenced this pull request Jul 6, 2020
* use assert to find whether, the async compression/encryption able to fit the
destination block in the allocated space. Allocated space is calculated using
(item.end-item.start) + padding +1

(cherry picked from commit c45d966)
jarifibrahim pushed a commit that referenced this pull request Jul 8, 2020
This PR adds the following changes from **Master branch to the dgraph-maintenance branch**.
```
25fd0ef Update ristretto to commit f66de99 (#1391)
fac972f Update head while replaying value log (#1372)
e5fd05a Rework DB.DropPrefix (#1381)
adeb842 Fix assert in background compression and encryption. (#1366)
```

The **master and dgraph-maintenace branch** have following difference 
`+`  (in green) means commit missing on dgraph-maintenance
 `-` (in red) means the commit exists.
```diff
+ 079f5ae DefaultOptions: Set KeepL0InMemory to false (#1345)
+ 7e19cac Add immudb to the project list (#1341)
+ da80eb9 Iterator: Always add key to txn.reads (#1328)
+ a7e239e StreamWriter: Close head writer (#1347)
+ 543f353 Fix build on golang tip (#1355)
+ fd89894 Compaction: Expired keys and delete markers are never purged (#1354)
+ 056d859 Support disabling conflict detection (#1344)
+ b762832 Tests: Do not leave behind state goroutines (#1349)
+ b2267c2 Restore: Account for value size as well (#1358)
+ 14386ac GC: Consider size of value while rewriting (#1357)
+ c45d966 Fix assert in background compression and encryption. (#1366)
+ dd332b0 Avoid panic in filltables() (#1365)
+ 3f4761d Force KeepL0InMemory to be true when InMemory is true (#1375)
+ d37ce36 Tests: Use t.Parallel in TestIteratePrefix tests  (#1377)
+ 158d927 Remove second initialization of writech in Open (#1382)
+ 675efcd Increase default valueThreshold from 32B to 1KB (#1346)
+ 3042e37 pre allocate cache key for the block cache and the bloom filter cache (#1371)
+ e013bfd Rework DB.DropPrefix (#1381)
+ 509de73 Update head while replaying value log (#1372)
+ 09dfa66 Update ristretto to commit f66de99 (#1391)
+ 717b89c Enable cross-compiled 32bit tests on TravisCI (#1392)
```

<!-- Reviewable:start -->
---
This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/dgraph-io/badger/1398)
<!-- Reviewable:end -->
jarifibrahim pushed a commit to dgraph-io/dgraph that referenced this pull request Jul 11, 2020
Also, disable conflict detection in badger to save memory.

```
0dfb8b4 Changelog for v20.07.0 (dgraph-io/badger#1411)
03ba278 Add missing changelog for v2.0.3 (dgraph-io/badger#1410)
6001230 Revert "Compress/Encrypt Blocks in the background (dgraph-io/badger#1227)" (dgraph-io/badger#1409)
800305e Revert "Buffer pool for decompression
(dgraph-io/badger#1308)"
(dgraph-io/badger#1408)
63d9309 Revert "fix: Fix race condition in block.incRef
(dgraph-io/badger#1337)"
(dgraph-io/badger#1407)
e0d058c Revert "add assert to check integer overflow for table size (dgraph-io/badger#1402)" (dgraph-io/badger#1406)
d981f47 return error if the vlog writes exceeds more that 4GB.
(dgraph-io/badger#1400)
7f4e4b5 add assert to check integer overflow for table size
(dgraph-io/badger#1402)
8e896a7 Add a contribution guide
(dgraph-io/badger#1379)
b79aeef Avoid panic on multiple closer.Signal calls
(dgraph-io/badger#1401)
717b89c Enable cross-compiled 32bit tests on TravisCI
(dgraph-io/badger#1392)
09dfa66 Update ristretto to commit f66de99
(dgraph-io/badger#1391)
509de73 Update head while replaying value log
(dgraph-io/badger#1372)
e013bfd Rework DB.DropPrefix (dgraph-io/badger#1381)
3042e37 pre allocate cache key for the block cache and the bloom filter cache (dgraph-io/badger#1371)
675efcd Increase default valueThreshold from 32B to 1KB
(dgraph-io/badger#1346)
158d927 Remove second initialization of writech in Open
(dgraph-io/badger#1382)
d37ce36 Tests: Use t.Parallel in TestIteratePrefix tests
(dgraph-io/badger#1377)
3f4761d Force KeepL0InMemory to be true when InMemory is true
(dgraph-io/badger#1375)
dd332b0 Avoid panic in filltables()
(dgraph-io/badger#1365)
c45d966 Fix assert in background compression and encryption.
(dgraph-io/badger#1366)
```
jarifibrahim pushed a commit to dgraph-io/dgraph that referenced this pull request Jul 11, 2020
This commit brings the following new changes from badger.
This commit also disable conflict detection in badger to save memory.
```
Fix assert in background compression and encryption. (dgraph-io/badger#1366)
Avoid panic in filltables() (dgraph-io/badger#1365)
Force KeepL0InMemory to be true when InMemory is true (dgraph-io/badger#1375)
Tests: Use t.Parallel in TestIteratePrefix tests (dgraph-io/badger#1377)
Remove second initialization of writech in Open (dgraph-io/badger#1382)
Increase default valueThreshold from 32B to 1KB (dgraph-io/badger#1346)
pre allocate cache key for the block cache and the bloom filter cache (dgraph-io/badger#1371)
Rework DB.DropPrefix (dgraph-io/badger#1381)
Update head while replaying value log (dgraph-io/badger#1372)
Update ristretto to commit f66de99 (dgraph-io/badger#1391)
Enable cross-compiled 32bit tests on TravisCI (dgraph-io/badger#1392)
Avoid panic on multiple closer.Signal calls (dgraph-io/badger#1401)
Add a contribution guide (dgraph-io/badger#1379)
add assert to check integer overflow for table size (dgraph-io/badger#1402)
return error if the vlog writes exceeds more that 4GB. (dgraph-io/badger#1400)
Revert "add assert to check integer overflow for table size (dgraph-io/badger#1402)" (dgraph-io/badger#1406)
Revert "fix: Fix race condition in block.incRef (dgraph-io/badger#1337)" (dgraph-io/badger#1407)
Revert "Buffer pool for decompression (dgraph-io/badger#1308)" (dgraph-io/badger#1408)
Revert "Compress/Encrypt Blocks in the background (dgraph-io/badger#1227)" (dgraph-io/badger#1409)
Add missing changelog for v2.0.3 (dgraph-io/badger#1410)
Changelog for v20.07.0 (dgraph-io/badger#1411)
```
jarifibrahim pushed a commit to dgraph-io/dgraph that referenced this pull request Jul 11, 2020
This commit brings following new changes from badger
This commit also disable conflict detection in badger to save memory.

```
Fix assert in background compression and encryption. (dgraph-io/badger#1366)
Avoid panic in filltables() (dgraph-io/badger#1365)
Force KeepL0InMemory to be true when InMemory is true (dgraph-io/badger#1375)
Tests: Use t.Parallel in TestIteratePrefix tests (dgraph-io/badger#1377)
Remove second initialization of writech in Open (dgraph-io/badger#1382)
Increase default valueThreshold from 32B to 1KB (dgraph-io/badger#1346)
pre allocate cache key for the block cache and the bloom filter cache (dgraph-io/badger#1371)
Rework DB.DropPrefix (dgraph-io/badger#1381)
Update head while replaying value log (dgraph-io/badger#1372)
Update ristretto to commit f66de99 (dgraph-io/badger#1391)
Enable cross-compiled 32bit tests on TravisCI (dgraph-io/badger#1392)
Avoid panic on multiple closer.Signal calls (dgraph-io/badger#1401)
Add a contribution guide (dgraph-io/badger#1379)
add assert to check integer overflow for table size (dgraph-io/badger#1402)
return error if the vlog writes exceeds more that 4GB. (dgraph-io/badger#1400)
Revert "add assert to check integer overflow for table size (dgraph-io/badger#1402)" (dgraph-io/badger#1406)
Revert "fix: Fix race condition in block.incRef (dgraph-io/badger#1337)" (dgraph-io/badger#1407)
Revert "Buffer pool for decompression (dgraph-io/badger#1308)" (dgraph-io/badger#1408)
Revert "Compress/Encrypt Blocks in the background (dgraph-io/badger#1227)" (dgraph-io/badger#1409)
Add missing changelog for v2.0.3 (dgraph-io/badger#1410)
Changelog for v20.07.0 (dgraph-io/badger#1411)
```
jarifibrahim pushed a commit to dgraph-io/dgraph that referenced this pull request Jul 11, 2020
This commit brings following new changes from badger
This commit also disable conflict detection in badger to save memory.

```
Fix assert in background compression and encryption. (dgraph-io/badger#1366)
Avoid panic in filltables() (dgraph-io/badger#1365)
Force KeepL0InMemory to be true when InMemory is true (dgraph-io/badger#1375)
Tests: Use t.Parallel in TestIteratePrefix tests (dgraph-io/badger#1377)
Remove second initialization of writech in Open (dgraph-io/badger#1382)
Increase default valueThreshold from 32B to 1KB (dgraph-io/badger#1346)
pre allocate cache key for the block cache and the bloom filter cache (dgraph-io/badger#1371)
Rework DB.DropPrefix (dgraph-io/badger#1381)
Update head while replaying value log (dgraph-io/badger#1372)
Update ristretto to commit f66de99 (dgraph-io/badger#1391)
Enable cross-compiled 32bit tests on TravisCI (dgraph-io/badger#1392)
Avoid panic on multiple closer.Signal calls (dgraph-io/badger#1401)
Add a contribution guide (dgraph-io/badger#1379)
add assert to check integer overflow for table size (dgraph-io/badger#1402)
return error if the vlog writes exceeds more that 4GB. (dgraph-io/badger#1400)
Revert "add assert to check integer overflow for table size (dgraph-io/badger#1402)" (dgraph-io/badger#1406)
Revert "fix: Fix race condition in block.incRef (dgraph-io/badger#1337)" (dgraph-io/badger#1407)
Revert "Buffer pool for decompression (dgraph-io/badger#1308)" (dgraph-io/badger#1408)
Revert "Compress/Encrypt Blocks in the background (dgraph-io/badger#1227)" (dgraph-io/badger#1409)
Add missing changelog for v2.0.3 (dgraph-io/badger#1410)
Changelog for v20.07.0 (dgraph-io/badger#1411)
```
jarifibrahim pushed a commit to dgraph-io/dgraph that referenced this pull request Jul 11, 2020
This commit brings following new changes from badger
This commit also disable conflict detection in badger to save memory.

```
Fix assert in background compression and encryption. (dgraph-io/badger#1366)
Avoid panic in filltables() (dgraph-io/badger#1365)
Force KeepL0InMemory to be true when InMemory is true (dgraph-io/badger#1375)
Tests: Use t.Parallel in TestIteratePrefix tests (dgraph-io/badger#1377)
Remove second initialization of writech in Open (dgraph-io/badger#1382)
Increase default valueThreshold from 32B to 1KB (dgraph-io/badger#1346)
pre allocate cache key for the block cache and the bloom filter cache (dgraph-io/badger#1371)
Rework DB.DropPrefix (dgraph-io/badger#1381)
Update head while replaying value log (dgraph-io/badger#1372)
Update ristretto to commit f66de99 (dgraph-io/badger#1391)
Enable cross-compiled 32bit tests on TravisCI (dgraph-io/badger#1392)
Avoid panic on multiple closer.Signal calls (dgraph-io/badger#1401)
Add a contribution guide (dgraph-io/badger#1379)
add assert to check integer overflow for table size (dgraph-io/badger#1402)
return error if the vlog writes exceeds more that 4GB. (dgraph-io/badger#1400)
Revert "add assert to check integer overflow for table size (dgraph-io/badger#1402)" (dgraph-io/badger#1406)
Revert "fix: Fix race condition in block.incRef (dgraph-io/badger#1337)" (dgraph-io/badger#1407)
Revert "Buffer pool for decompression (dgraph-io/badger#1308)" (dgraph-io/badger#1408)
Revert "Compress/Encrypt Blocks in the background (dgraph-io/badger#1227)" (dgraph-io/badger#1409)
Add missing changelog for v2.0.3 (dgraph-io/badger#1410)
Changelog for v20.07.0 (dgraph-io/badger#1411)
```
parasssh pushed a commit to dgraph-io/dgraph that referenced this pull request Jul 13, 2020
* Update badger to v20.07.0-rc1

This commit brings following new changes from badger
This commit also disable conflict detection in badger to save memory.

```
Fix assert in background compression and encryption. (dgraph-io/badger#1366)
Avoid panic in filltables() (dgraph-io/badger#1365)
Force KeepL0InMemory to be true when InMemory is true (dgraph-io/badger#1375)
Tests: Use t.Parallel in TestIteratePrefix tests (dgraph-io/badger#1377)
Remove second initialization of writech in Open (dgraph-io/badger#1382)
Increase default valueThreshold from 32B to 1KB (dgraph-io/badger#1346)
pre allocate cache key for the block cache and the bloom filter cache (dgraph-io/badger#1371)
Rework DB.DropPrefix (dgraph-io/badger#1381)
Update head while replaying value log (dgraph-io/badger#1372)
Update ristretto to commit f66de99 (dgraph-io/badger#1391)
Enable cross-compiled 32bit tests on TravisCI (dgraph-io/badger#1392)
Avoid panic on multiple closer.Signal calls (dgraph-io/badger#1401)
Add a contribution guide (dgraph-io/badger#1379)
add assert to check integer overflow for table size (dgraph-io/badger#1402)
return error if the vlog writes exceeds more that 4GB. (dgraph-io/badger#1400)
Revert "add assert to check integer overflow for table size (dgraph-io/badger#1402)" (dgraph-io/badger#1406)
Revert "fix: Fix race condition in block.incRef (dgraph-io/badger#1337)" (dgraph-io/badger#1407)
Revert "Buffer pool for decompression (dgraph-io/badger#1308)" (dgraph-io/badger#1408)
Revert "Compress/Encrypt Blocks in the background (dgraph-io/badger#1227)" (dgraph-io/badger#1409)
Add missing changelog for v2.0.3 (dgraph-io/badger#1410)
Changelog for v20.07.0 (dgraph-io/badger#1411)
```

* Remove unnecessary detect conflicts
parasssh pushed a commit to dgraph-io/dgraph that referenced this pull request Jul 13, 2020
* Update badger to v20.07.0-rc1

This commit brings the following new changes from badger.
This commit also disable conflict detection in badger to save memory.
```
Fix assert in background compression and encryption. (dgraph-io/badger#1366)
Avoid panic in filltables() (dgraph-io/badger#1365)
Force KeepL0InMemory to be true when InMemory is true (dgraph-io/badger#1375)
Tests: Use t.Parallel in TestIteratePrefix tests (dgraph-io/badger#1377)
Remove second initialization of writech in Open (dgraph-io/badger#1382)
Increase default valueThreshold from 32B to 1KB (dgraph-io/badger#1346)
pre allocate cache key for the block cache and the bloom filter cache (dgraph-io/badger#1371)
Rework DB.DropPrefix (dgraph-io/badger#1381)
Update head while replaying value log (dgraph-io/badger#1372)
Update ristretto to commit f66de99 (dgraph-io/badger#1391)
Enable cross-compiled 32bit tests on TravisCI (dgraph-io/badger#1392)
Avoid panic on multiple closer.Signal calls (dgraph-io/badger#1401)
Add a contribution guide (dgraph-io/badger#1379)
add assert to check integer overflow for table size (dgraph-io/badger#1402)
return error if the vlog writes exceeds more that 4GB. (dgraph-io/badger#1400)
Revert "add assert to check integer overflow for table size (dgraph-io/badger#1402)" (dgraph-io/badger#1406)
Revert "fix: Fix race condition in block.incRef (dgraph-io/badger#1337)" (dgraph-io/badger#1407)
Revert "Buffer pool for decompression (dgraph-io/badger#1308)" (dgraph-io/badger#1408)
Revert "Compress/Encrypt Blocks in the background (dgraph-io/badger#1227)" (dgraph-io/badger#1409)
Add missing changelog for v2.0.3 (dgraph-io/badger#1410)
Changelog for v20.07.0 (dgraph-io/badger#1411)
```

* Remove unnecessary detect conflicts
parasssh pushed a commit to dgraph-io/dgraph that referenced this pull request Jul 13, 2020
* Update badger to v20.07.0-rc1

This commit brings following new changes from badger
This commit also disable conflict detection in badger to save memory.

```
Fix assert in background compression and encryption. (dgraph-io/badger#1366)
Avoid panic in filltables() (dgraph-io/badger#1365)
Force KeepL0InMemory to be true when InMemory is true (dgraph-io/badger#1375)
Tests: Use t.Parallel in TestIteratePrefix tests (dgraph-io/badger#1377)
Remove second initialization of writech in Open (dgraph-io/badger#1382)
Increase default valueThreshold from 32B to 1KB (dgraph-io/badger#1346)
pre allocate cache key for the block cache and the bloom filter cache (dgraph-io/badger#1371)
Rework DB.DropPrefix (dgraph-io/badger#1381)
Update head while replaying value log (dgraph-io/badger#1372)
Update ristretto to commit f66de99 (dgraph-io/badger#1391)
Enable cross-compiled 32bit tests on TravisCI (dgraph-io/badger#1392)
Avoid panic on multiple closer.Signal calls (dgraph-io/badger#1401)
Add a contribution guide (dgraph-io/badger#1379)
add assert to check integer overflow for table size (dgraph-io/badger#1402)
return error if the vlog writes exceeds more that 4GB. (dgraph-io/badger#1400)
Revert "add assert to check integer overflow for table size (dgraph-io/badger#1402)" (dgraph-io/badger#1406)
Revert "fix: Fix race condition in block.incRef (dgraph-io/badger#1337)" (dgraph-io/badger#1407)
Revert "Buffer pool for decompression (dgraph-io/badger#1308)" (dgraph-io/badger#1408)
Revert "Compress/Encrypt Blocks in the background (dgraph-io/badger#1227)" (dgraph-io/badger#1409)
Add missing changelog for v2.0.3 (dgraph-io/badger#1410)
Changelog for v20.07.0 (dgraph-io/badger#1411)
```

* Remove unnecessary detect conflicts

Co-authored-by: parasssh <paras@dgraph.io>
parasssh pushed a commit to dgraph-io/dgraph that referenced this pull request Jul 13, 2020
* Update badger to v20.0.7-rc1

This commit brings following new changes from badger
This commit also disable conflict detection in badger to save memory.

```
Fix assert in background compression and encryption. (dgraph-io/badger#1366)
Avoid panic in filltables() (dgraph-io/badger#1365)
Force KeepL0InMemory to be true when InMemory is true (dgraph-io/badger#1375)
Tests: Use t.Parallel in TestIteratePrefix tests (dgraph-io/badger#1377)
Remove second initialization of writech in Open (dgraph-io/badger#1382)
Increase default valueThreshold from 32B to 1KB (dgraph-io/badger#1346)
pre allocate cache key for the block cache and the bloom filter cache (dgraph-io/badger#1371)
Rework DB.DropPrefix (dgraph-io/badger#1381)
Update head while replaying value log (dgraph-io/badger#1372)
Update ristretto to commit f66de99 (dgraph-io/badger#1391)
Enable cross-compiled 32bit tests on TravisCI (dgraph-io/badger#1392)
Avoid panic on multiple closer.Signal calls (dgraph-io/badger#1401)
Add a contribution guide (dgraph-io/badger#1379)
add assert to check integer overflow for table size (dgraph-io/badger#1402)
return error if the vlog writes exceeds more that 4GB. (dgraph-io/badger#1400)
Revert "add assert to check integer overflow for table size (dgraph-io/badger#1402)" (dgraph-io/badger#1406)
Revert "fix: Fix race condition in block.incRef (dgraph-io/badger#1337)" (dgraph-io/badger#1407)
Revert "Buffer pool for decompression (dgraph-io/badger#1308)" (dgraph-io/badger#1408)
Revert "Compress/Encrypt Blocks in the background (dgraph-io/badger#1227)" (dgraph-io/badger#1409)
Add missing changelog for v2.0.3 (dgraph-io/badger#1410)
Changelog for v20.07.0 (dgraph-io/badger#1411)
```

* Remove unnecessary detect conflicts

Co-authored-by: parasssh <paras@dgraph.io>
dna2github pushed a commit to dna2fork/dgraph that referenced this pull request Jul 18, 2020
* Update badger to v20.07.0-rc1

This commit brings the following new changes from badger.
This commit also disable conflict detection in badger to save memory.
```
Fix assert in background compression and encryption. (dgraph-io/badger#1366)
Avoid panic in filltables() (dgraph-io/badger#1365)
Force KeepL0InMemory to be true when InMemory is true (dgraph-io/badger#1375)
Tests: Use t.Parallel in TestIteratePrefix tests (dgraph-io/badger#1377)
Remove second initialization of writech in Open (dgraph-io/badger#1382)
Increase default valueThreshold from 32B to 1KB (dgraph-io/badger#1346)
pre allocate cache key for the block cache and the bloom filter cache (dgraph-io/badger#1371)
Rework DB.DropPrefix (dgraph-io/badger#1381)
Update head while replaying value log (dgraph-io/badger#1372)
Update ristretto to commit f66de99 (dgraph-io/badger#1391)
Enable cross-compiled 32bit tests on TravisCI (dgraph-io/badger#1392)
Avoid panic on multiple closer.Signal calls (dgraph-io/badger#1401)
Add a contribution guide (dgraph-io/badger#1379)
add assert to check integer overflow for table size (dgraph-io/badger#1402)
return error if the vlog writes exceeds more that 4GB. (dgraph-io/badger#1400)
Revert "add assert to check integer overflow for table size (dgraph-io/badger#1402)" (dgraph-io/badger#1406)
Revert "fix: Fix race condition in block.incRef (dgraph-io/badger#1337)" (dgraph-io/badger#1407)
Revert "Buffer pool for decompression (dgraph-io/badger#1308)" (dgraph-io/badger#1408)
Revert "Compress/Encrypt Blocks in the background (dgraph-io/badger#1227)" (dgraph-io/badger#1409)
Add missing changelog for v2.0.3 (dgraph-io/badger#1410)
Changelog for v20.07.0 (dgraph-io/badger#1411)
```

* Remove unnecessary detect conflicts
jarifibrahim pushed a commit that referenced this pull request Oct 2, 2020
* use assert to find whether, the async compression/encryption able to fit the
destination block in the allocated space. Allocated space is calculated using
(item.end-item.start) + padding +1
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5 participants