Details
Description
The following script fails with KEY_EEXISTS
#!/usr/bin/env python
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from couchbase.bucket import Bucket
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import couchbase.subdocument as SD
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cb = Bucket('couchbase://localhost/test')
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cb.upsert('0', {'recs':[]})
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#fails
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result = cb.lock('0', ttl=5)
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cb.mutate_in('0', SD.array_append('recs', 1), cas=result.cas)
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Dean Proctor has also verified this fails with Java as well, so this isn't a client bug.
Attachments
Issue Links
- blocks
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MB-22188 4.6.2 Minor Release
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- Closed
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| For Gerrit Dashboard: MB-22044 | ||||||
|---|---|---|---|---|---|---|
| # | Subject | Branch | Project | Status | CR | V |
| 72120,7 | MB-22044: Subdoc should detect and handle locked items | master | memcached | Status: ABANDONED | +1 | +1 |
| 72233,1 | DJR: MB-22044: Subdoc should detect and handle locked items | master | memcached | Status: ABANDONED | -1 | -1 |
| 72904,3 | MB-22044: EWBEngineMode::SetItemCas (1/3) | watson | memcached | Status: MERGED | +2 | +1 |
| 72905,3 | MB-22044: ewouldblock_engine_configure: Allow to pass key (2/3) | watson | memcached | Status: MERGED | +2 | +1 |
| 72906,3 | MB-22044: Subdoc should detect and handle locked items (3/3) | watson | memcached | Status: MERGED | +2 | +1 |
| 75115,6 | Merge remote-tracking branch 'couchbase/watson' into spock | master | memcached | Status: MERGED | +2 | +1 |
Activity
| Field | Original Value | New Value |
|---|---|---|
| Description |
The following script fails with KEY_EEXISTS
{code} #!/usr/bin/env python from couchbase.bucket import Bucket import couchbase.subdocument as SD cb = Bucket('couchbase://localhost/test') cb.upsert('0', {'recs':[]}) #fails result = cb.lock('0', ttl=5) cb.mutate_in('0', SD.array_append('recs', 1), cas=result.cas) {code} |
The following script fails with KEY_EEXISTS
{code} #!/usr/bin/env python from couchbase.bucket import Bucket import couchbase.subdocument as SD cb = Bucket('couchbase://localhost/test') cb.upsert('0', {'recs':[]}) #fails result = cb.lock('0', ttl=5) cb.mutate_in('0', SD.array_append('recs', 1), cas=result.cas) {code} [~dproctor] has also verified this fails with Java as well, so this isn't a client bug. |
| Fix Version/s | 4.6.1 [ 13903 ] |
Mark Nunberg Are you ok to investigate this and fix (if necessary) for 4.6.1? If not let me know and I'll re-assign.
It still happens with the latest master build. I'll investigate and see if I can fix.
| Status | Open [ 1 ] | In Progress [ 3 ] |
Build 4.6.1-3807 contains memcached commit 81c00ea9df249728a082299d3a958767949aa2a3 with commit message:
MB-22044: EWBEngineMode::SetItemCas (1/3)
https://github.com/couchbase/memcached/commit/81c00ea9df249728a082299d3a958767949aa2a3
Build 4.6.1-3807 contains memcached commit 072764b50ab559101f05f2e1f7298f54c5ccfa43 with commit message:
MB-22044: ewouldblock_engine_configure: Allow to pass key (2/3)
https://github.com/couchbase/memcached/commit/072764b50ab559101f05f2e1f7298f54c5ccfa43
Build 4.6.1-3807 contains memcached commit a8389c0419c54cfb00056b5a64913617f5af2cea with commit message:
MB-22044: Subdoc should detect and handle locked items (3/3)
https://github.com/couchbase/memcached/commit/a8389c0419c54cfb00056b5a64913617f5af2cea
| Resolution | Fixed [ 1 ] | |
| Status | In Progress [ 3 ] | Resolved [ 5 ] |
Build 5.0.0-2291 contains memcached commit 81c00ea9df249728a082299d3a958767949aa2a3 with commit message:
MB-22044: EWBEngineMode::SetItemCas (1/3)
https://github.com/couchbase/memcached/commit/81c00ea9df249728a082299d3a958767949aa2a3
Build 5.0.0-2291 contains memcached commit 072764b50ab559101f05f2e1f7298f54c5ccfa43 with commit message:
MB-22044: ewouldblock_engine_configure: Allow to pass key (2/3)
https://github.com/couchbase/memcached/commit/072764b50ab559101f05f2e1f7298f54c5ccfa43
Build 5.0.0-2291 contains memcached commit a8389c0419c54cfb00056b5a64913617f5af2cea with commit message:
MB-22044: Subdoc should detect and handle locked items (3/3)
https://github.com/couchbase/memcached/commit/a8389c0419c54cfb00056b5a64913617f5af2cea
Mark Nunberg
can you please verify and close them or assign to the respective qe if it needs a functional test case
Thanks
Prerna
| Status | Resolved [ 5 ] | Closed [ 6 ] |
| Link | This issue blocks CBSE-4111 [ CBSE-4111 ] |
Is this maybe the same issue as
MB-21597? i.e. as the code uses REPLACE instead of CAS internally, any non-zero input CAS will fail?Mark Nunberg could you check if it still occurs on 4.6.0 / latest watson branch?