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Avoid panic on multiple closer.Signal calls #1401
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The closer.Signal function closes a channel and multiple calls to the closing the same channel would cause a "channel already closed". This PR avoids the panic by using a sync.Once while closing the channel. Multiple calls to closer.Signal would be no-op with this commit.
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Reviewed 1 of 1 files at r1.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @ashish-goswami and @manishrjain)
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Reviewed 1 of 1 files at r1.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @manishrjain)
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please add UT and a TODO as discussed.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @manishrjain)
The travis build for 32 bit CPU is failing and it is an existing issue, not related to this PR. |
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) ```
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) ```
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) ```
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) ```
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) ```
* 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
* 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
* 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 <[email protected]>
* 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 <[email protected]>
* 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
The closer.Signal function closes a channel and multiple calls to the closing the same channel would cause a "channel already closed". This PR avoids the panic by using a sync.Once while closing the channel. Multiple calls to closer.Signal would be no-op with this commit. Fixes DGRAPH-1581
The closer.Signal function closes a channel and multiple calls to the
closing the same channel would cause a "channel already closed". This PR
avoids the panic by using a sync.Once while closing the channel.
Multiple calls to closer.Signal would be no-op with this commit.
Fixes DGRAPH-1581
This change is