[
https://issues.apache.org/jira/browse/STORM-3104?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Zhengdai Hu updated STORM-3104:
-------------------------------
Description:
In Slot.java, there is a comparison in
{code:java}
handleWaitingForBlobUpdate()
{code}
between dynamic state's current assignment and new assignment, which
accidentally route back state machine just transitioned from
WAIT_FOR_BLOB_LOCALIZATION back to WAIT_FOR_BLOB_LOCALIZATION, because the
current assignment in this case is highly likely to be null and different from
new assignment (I'm not sure if it's guaranteed). This causes delay for a
worker to start/restart.
The symptom can be reproduced by launching an empty storm server and submit any
topology. Here's the log sample (relevant transition starting from 2018-06-13
16:57:12.274 o.a.s.d.s.Slot SLOT_6700 [DEBUG]):
{code:sh}
2018-06-13 16:57:10.254 o.a.s.d.s.Slot SLOT_6700 [INFO] STATE EMPTY msInState:
6024 -> EMPTY msInState: 6024
2018-06-13 16:57:10.255 o.a.s.d.s.Slot SLOT_6700 [DEBUG] STATE EMPTY
2018-06-13 16:57:10.257 o.a.s.d.s.Slot SLOT_6700 [DEBUG] Transition from EMPTY
to WAITING_FOR_BLOB_LOCALIZATION
2018-06-13 16:57:10.257 o.a.s.d.s.Slot SLOT_6700 [INFO] STATE EMPTY msInState:
6027 -> WAITING_FOR_BLOB_LOCALIZATION msInState: 0
2018-06-13 16:57:10.258 o.a.s.d.s.Slot SLOT_6700 [DEBUG] STATE
WAITING_FOR_BLOB_LOCALIZATION
2018-06-13 16:57:10.258 o.a.s.d.s.Slot SLOT_6700 [DEBUG] pendingChangingBlobs
are []
2018-06-13 16:57:11.259 o.a.s.d.s.Slot SLOT_6700 [INFO] STATE
WAITING_FOR_BLOB_LOCALIZATION msInState: 1003 -> WAITING_FOR_BLOB_LOCALIZATION
msInState: 1003
2018-06-13 16:57:11.260 o.a.s.d.s.Slot SLOT_6700 [DEBUG] STATE
WAITING_FOR_BLOB_LOCALIZATION
2018-06-13 16:57:11.260 o.a.s.d.s.Slot SLOT_6700 [DEBUG] found changing blobs
[BLOB CHANGING LOCAL TOPO BLOB TOPO_CONF test-1-1528927024
LocalAssignment(topology_id:test-1-1528927024,
executors:[ExecutorInfo(task_start:10, task_end:10),
ExecutorInfo(task_start:16, task_end:16), ExecutorInfo(task_start:4,
task_end:4), ExecutorInfo(task_start:7, task_end:7), ExecutorInfo(task_start:1,
task_end:1), ExecutorInfo(task_start:13, task_end:13)],
resources:WorkerResources(mem_on_heap:768.0, mem_off_heap:0.0, cpu:60.0,
shared_mem_on_heap:0.0, shared_mem_off_heap:0.0,
resources:{offheap.memory.mb=0.0, onheap.memory.mb=768.0,
cpu.pcore.percent=60.0}, shared_resources:{}), owner:zhu02), BLOB CHANGING
LOCAL TOPO BLOB TOPO_CODE test-1-1528927024
LocalAssignment(topology_id:test-1-1528927024,
executors:[ExecutorInfo(task_start:10, task_end:10),
ExecutorInfo(task_start:16, task_end:16), ExecutorInfo(task_start:4,
task_end:4), ExecutorInfo(task_start:7, task_end:7), ExecutorInfo(task_start:1,
task_end:1), ExecutorInfo(task_start:13, task_end:13)],
resources:WorkerResources(mem_on_heap:768.0, mem_off_heap:0.0, cpu:60.0,
shared_mem_on_heap:0.0, shared_mem_off_heap:0.0,
resources:{offheap.memory.mb=0.0, onheap.memory.mb=768.0,
cpu.pcore.percent=60.0}, shared_resources:{}), owner:zhu02)] moving them to
pending...
2018-06-13 16:57:12.262 o.a.s.d.s.Slot SLOT_6700 [INFO] STATE
WAITING_FOR_BLOB_LOCALIZATION msInState: 2005 -> WAITING_FOR_BLOB_LOCALIZATION
msInState: 2005
2018-06-13 16:57:12.263 o.a.s.d.s.Slot SLOT_6700 [DEBUG] STATE
WAITING_FOR_BLOB_LOCALIZATION
2018-06-13 16:57:12.263 o.a.s.d.s.Slot SLOT_6700 [DEBUG] found changing blobs
[BLOB CHANGING LOCAL TOPO BLOB TOPO_JAR test-1-1528927024
LocalAssignment(topology_id:test-1-1528927024,
executors:[ExecutorInfo(task_start:10, task_end:10),
ExecutorInfo(task_start:16, task_end:16), ExecutorInfo(task_start:4,
task_end:4), ExecutorInfo(task_start:7, task_end:7), ExecutorInfo(task_start:1,
task_end:1), ExecutorInfo(task_start:13, task_end:13)],
resources:WorkerResources(mem_on_heap:768.0, mem_off_heap:0.0, cpu:60.0,
shared_mem_on_heap:0.0, shared_mem_off_heap:0.0,
resources:{offheap.memory.mb=0.0, onheap.memory.mb=768.0,
cpu.pcore.percent=60.0}, shared_resources:{}), owner:zhu02)] moving them to
pending...
2018-06-13 16:57:12.274 o.a.s.d.s.Slot SLOT_6700 [DEBUG] pendingLocalization
LocalAssignment(topology_id:test-1-1528927024,
executors:[ExecutorInfo(task_start:10, task_end:10),
ExecutorInfo(task_start:16, task_end:16), ExecutorInfo(task_start:4,
task_end:4), ExecutorInfo(task_start:7, task_end:7), ExecutorInfo(task_start:1,
task_end:1), ExecutorInfo(task_start:13, task_end:13)],
resources:WorkerResources(mem_on_heap:768.0, mem_off_heap:0.0, cpu:60.0,
shared_mem_on_heap:0.0, shared_mem_off_heap:0.0,
resources:{offheap.memory.mb=0.0, onheap.memory.mb=768.0,
cpu.pcore.percent=60.0}, shared_resources:{}), owner:zhu02) == current null ?
false
2018-06-13 16:57:12.274 o.a.s.d.s.Slot SLOT_6700 [INFO] There are pending
changes, waiting for them to finish before launching container...
2018-06-13 16:57:12.275 o.a.s.d.s.Slot SLOT_6700 [DEBUG] Transition from
WAITING_FOR_BLOB_LOCALIZATION to WAITING_FOR_BLOB_UPDATE
2018-06-13 16:57:12.275 o.a.s.d.s.Slot SLOT_6700 [INFO] STATE
WAITING_FOR_BLOB_LOCALIZATION msInState: 2018 -> WAITING_FOR_BLOB_UPDATE
msInState: 1
2018-06-13 16:57:12.275 o.a.s.d.s.Slot SLOT_6700 [DEBUG] STATE
WAITING_FOR_BLOB_UPDATE
2018-06-13 16:57:12.275 o.a.s.d.s.Slot SLOT_6700 [DEBUG] pendingLocalization:
null, new: LocalAssignment(topology_id:test-1-1528927024,
executors:[ExecutorInfo(task_start:10, task_end:10),
ExecutorInfo(task_start:16, task_end:16), ExecutorInfo(task_start:4,
task_end:4), ExecutorInfo(task_start:7, task_end:7), ExecutorInfo(task_start:1,
task_end:1), ExecutorInfo(task_start:13, task_end:13)],
resources:WorkerResources(mem_on_heap:768.0, mem_off_heap:0.0, cpu:60.0,
shared_mem_on_heap:0.0, shared_mem_off_heap:0.0,
resources:{offheap.memory.mb=0.0, onheap.memory.mb=768.0,
cpu.pcore.percent=60.0}, shared_resources:{}), owner:zhu02), current: null,
pdchanging: LocalAssignment(topology_id:test-1-1528927024,
executors:[ExecutorInfo(task_start:10, task_end:10),
ExecutorInfo(task_start:16, task_end:16), ExecutorInfo(task_start:4,
task_end:4), ExecutorInfo(task_start:7, task_end:7), ExecutorInfo(task_start:1,
task_end:1), ExecutorInfo(task_start:13, task_end:13)],
resources:WorkerResources(mem_on_heap:768.0, mem_off_heap:0.0, cpu:60.0,
shared_mem_on_heap:0.0, shared_mem_off_heap:0.0,
resources:{offheap.memory.mb=0.0, onheap.memory.mb=768.0,
cpu.pcore.percent=60.0}, shared_resources:{}), owner:zhu02)
2018-06-13 16:57:12.276 o.a.s.d.s.Slot SLOT_6700 [INFO] SLOT 6700: Assignment
Changed from null to LocalAssignment(topology_id:test-1-1528927024,
executors:[ExecutorInfo(task_start:10, task_end:10),
ExecutorInfo(task_start:16, task_end:16), ExecutorInfo(task_start:4,
task_end:4), ExecutorInfo(task_start:7, task_end:7), ExecutorInfo(task_start:1,
task_end:1), ExecutorInfo(task_start:13, task_end:13)],
resources:WorkerResources(mem_on_heap:768.0, mem_off_heap:0.0, cpu:60.0,
shared_mem_on_heap:0.0, shared_mem_off_heap:0.0,
resources:{offheap.memory.mb=0.0, onheap.memory.mb=768.0,
cpu.pcore.percent=60.0}, shared_resources:{}), owner:zhu02)
2018-06-13 16:57:12.278 o.a.s.d.s.Slot SLOT_6700 [DEBUG] Transition from
WAITING_FOR_BLOB_UPDATE to WAITING_FOR_BLOB_LOCALIZATION
2018-06-13 16:57:12.278 o.a.s.d.s.Slot SLOT_6700 [INFO] STATE
WAITING_FOR_BLOB_UPDATE msInState: 4 -> WAITING_FOR_BLOB_LOCALIZATION
msInState: 0
2018-06-13 16:57:12.279 o.a.s.d.s.Slot SLOT_6700 [DEBUG] STATE
WAITING_FOR_BLOB_LOCALIZATION
2018-06-13 16:57:12.279 o.a.s.d.s.Slot SLOT_6700 [DEBUG] pendingChangingBlobs
are []
2018-06-13 16:57:12.279 o.a.s.d.s.Slot SLOT_6700 [DEBUG] pendingLocalization
LocalAssignment(topology_id:test-1-1528927024,
executors:[ExecutorInfo(task_start:10, task_end:10),
ExecutorInfo(task_start:16, task_end:16), ExecutorInfo(task_start:4,
task_end:4), ExecutorInfo(task_start:7, task_end:7), ExecutorInfo(task_start:1,
task_end:1), ExecutorInfo(task_start:13, task_end:13)],
resources:WorkerResources(mem_on_heap:768.0, mem_off_heap:0.0, cpu:60.0,
shared_mem_on_heap:0.0, shared_mem_off_heap:0.0,
resources:{offheap.memory.mb=0.0, onheap.memory.mb=768.0,
cpu.pcore.percent=60.0}, shared_resources:{}), owner:zhu02) == current null ?
false
2018-06-13 16:57:12.280 o.a.s.d.s.Slot SLOT_6700 [DEBUG] launch container for
the first time
2018-06-13 16:57:12.284 o.a.s.d.s.BasicContainer SLOT_6700 [INFO] Created
Worker ID 4155b2bb-ebd1-431d-907f-d8a4ff1e1da4
{code}
I would like to know if this is actually the desired behavior of the state
machine, or I can help fix the bug. The implementation would be to redesign the
if statement.
was:
In Slot.java, there is a comparison in
{code:java}
handleWaitingForBlobUpdate()
{code}
between dynamic state's current assignment and new assignment, which
accidentally route back state machine just transitioned from
WAIT_FOR_BLOB_LOCALIZATION back to WAIT_FOR_BLOB_LOCALIZATION, because the
current assignment in this case is highly likely to be null (I'm not sure if
it's guaranteed). This causes delay for a worker to start/restart.
The symptom can be reproduced by launching an empty storm server and submit any
topology. Here's the log sample (relevant transition starting from 2018-06-13
16:57:12.274 o.a.s.d.s.Slot SLOT_6700 [DEBUG]):
{code:sh}
2018-06-13 16:57:10.254 o.a.s.d.s.Slot SLOT_6700 [INFO] STATE EMPTY msInState:
6024 -> EMPTY msInState: 6024
2018-06-13 16:57:10.255 o.a.s.d.s.Slot SLOT_6700 [DEBUG] STATE EMPTY
2018-06-13 16:57:10.257 o.a.s.d.s.Slot SLOT_6700 [DEBUG] Transition from EMPTY
to WAITING_FOR_BLOB_LOCALIZATION
2018-06-13 16:57:10.257 o.a.s.d.s.Slot SLOT_6700 [INFO] STATE EMPTY msInState:
6027 -> WAITING_FOR_BLOB_LOCALIZATION msInState: 0
2018-06-13 16:57:10.258 o.a.s.d.s.Slot SLOT_6700 [DEBUG] STATE
WAITING_FOR_BLOB_LOCALIZATION
2018-06-13 16:57:10.258 o.a.s.d.s.Slot SLOT_6700 [DEBUG] pendingChangingBlobs
are []
2018-06-13 16:57:11.259 o.a.s.d.s.Slot SLOT_6700 [INFO] STATE
WAITING_FOR_BLOB_LOCALIZATION msInState: 1003 -> WAITING_FOR_BLOB_LOCALIZATION
msInState: 1003
2018-06-13 16:57:11.260 o.a.s.d.s.Slot SLOT_6700 [DEBUG] STATE
WAITING_FOR_BLOB_LOCALIZATION
2018-06-13 16:57:11.260 o.a.s.d.s.Slot SLOT_6700 [DEBUG] found changing blobs
[BLOB CHANGING LOCAL TOPO BLOB TOPO_CONF test-1-1528927024
LocalAssignment(topology_id:test-1-1528927024,
executors:[ExecutorInfo(task_start:10, task_end:10),
ExecutorInfo(task_start:16, task_end:16), ExecutorInfo(task_start:4,
task_end:4), ExecutorInfo(task_start:7, task_end:7), ExecutorInfo(task_start:1,
task_end:1), ExecutorInfo(task_start:13, task_end:13)],
resources:WorkerResources(mem_on_heap:768.0, mem_off_heap:0.0, cpu:60.0,
shared_mem_on_heap:0.0, shared_mem_off_heap:0.0,
resources:{offheap.memory.mb=0.0, onheap.memory.mb=768.0,
cpu.pcore.percent=60.0}, shared_resources:{}), owner:zhu02), BLOB CHANGING
LOCAL TOPO BLOB TOPO_CODE test-1-1528927024
LocalAssignment(topology_id:test-1-1528927024,
executors:[ExecutorInfo(task_start:10, task_end:10),
ExecutorInfo(task_start:16, task_end:16), ExecutorInfo(task_start:4,
task_end:4), ExecutorInfo(task_start:7, task_end:7), ExecutorInfo(task_start:1,
task_end:1), ExecutorInfo(task_start:13, task_end:13)],
resources:WorkerResources(mem_on_heap:768.0, mem_off_heap:0.0, cpu:60.0,
shared_mem_on_heap:0.0, shared_mem_off_heap:0.0,
resources:{offheap.memory.mb=0.0, onheap.memory.mb=768.0,
cpu.pcore.percent=60.0}, shared_resources:{}), owner:zhu02)] moving them to
pending...
2018-06-13 16:57:12.262 o.a.s.d.s.Slot SLOT_6700 [INFO] STATE
WAITING_FOR_BLOB_LOCALIZATION msInState: 2005 -> WAITING_FOR_BLOB_LOCALIZATION
msInState: 2005
2018-06-13 16:57:12.263 o.a.s.d.s.Slot SLOT_6700 [DEBUG] STATE
WAITING_FOR_BLOB_LOCALIZATION
2018-06-13 16:57:12.263 o.a.s.d.s.Slot SLOT_6700 [DEBUG] found changing blobs
[BLOB CHANGING LOCAL TOPO BLOB TOPO_JAR test-1-1528927024
LocalAssignment(topology_id:test-1-1528927024,
executors:[ExecutorInfo(task_start:10, task_end:10),
ExecutorInfo(task_start:16, task_end:16), ExecutorInfo(task_start:4,
task_end:4), ExecutorInfo(task_start:7, task_end:7), ExecutorInfo(task_start:1,
task_end:1), ExecutorInfo(task_start:13, task_end:13)],
resources:WorkerResources(mem_on_heap:768.0, mem_off_heap:0.0, cpu:60.0,
shared_mem_on_heap:0.0, shared_mem_off_heap:0.0,
resources:{offheap.memory.mb=0.0, onheap.memory.mb=768.0,
cpu.pcore.percent=60.0}, shared_resources:{}), owner:zhu02)] moving them to
pending...
2018-06-13 16:57:12.274 o.a.s.d.s.Slot SLOT_6700 [DEBUG] pendingLocalization
LocalAssignment(topology_id:test-1-1528927024,
executors:[ExecutorInfo(task_start:10, task_end:10),
ExecutorInfo(task_start:16, task_end:16), ExecutorInfo(task_start:4,
task_end:4), ExecutorInfo(task_start:7, task_end:7), ExecutorInfo(task_start:1,
task_end:1), ExecutorInfo(task_start:13, task_end:13)],
resources:WorkerResources(mem_on_heap:768.0, mem_off_heap:0.0, cpu:60.0,
shared_mem_on_heap:0.0, shared_mem_off_heap:0.0,
resources:{offheap.memory.mb=0.0, onheap.memory.mb=768.0,
cpu.pcore.percent=60.0}, shared_resources:{}), owner:zhu02) == current null ?
false
2018-06-13 16:57:12.274 o.a.s.d.s.Slot SLOT_6700 [INFO] There are pending
changes, waiting for them to finish before launching container...
2018-06-13 16:57:12.275 o.a.s.d.s.Slot SLOT_6700 [DEBUG] Transition from
WAITING_FOR_BLOB_LOCALIZATION to WAITING_FOR_BLOB_UPDATE
2018-06-13 16:57:12.275 o.a.s.d.s.Slot SLOT_6700 [INFO] STATE
WAITING_FOR_BLOB_LOCALIZATION msInState: 2018 -> WAITING_FOR_BLOB_UPDATE
msInState: 1
2018-06-13 16:57:12.275 o.a.s.d.s.Slot SLOT_6700 [DEBUG] STATE
WAITING_FOR_BLOB_UPDATE
2018-06-13 16:57:12.275 o.a.s.d.s.Slot SLOT_6700 [DEBUG] pendingLocalization:
null, new: LocalAssignment(topology_id:test-1-1528927024,
executors:[ExecutorInfo(task_start:10, task_end:10),
ExecutorInfo(task_start:16, task_end:16), ExecutorInfo(task_start:4,
task_end:4), ExecutorInfo(task_start:7, task_end:7), ExecutorInfo(task_start:1,
task_end:1), ExecutorInfo(task_start:13, task_end:13)],
resources:WorkerResources(mem_on_heap:768.0, mem_off_heap:0.0, cpu:60.0,
shared_mem_on_heap:0.0, shared_mem_off_heap:0.0,
resources:{offheap.memory.mb=0.0, onheap.memory.mb=768.0,
cpu.pcore.percent=60.0}, shared_resources:{}), owner:zhu02), current: null,
pdchanging: LocalAssignment(topology_id:test-1-1528927024,
executors:[ExecutorInfo(task_start:10, task_end:10),
ExecutorInfo(task_start:16, task_end:16), ExecutorInfo(task_start:4,
task_end:4), ExecutorInfo(task_start:7, task_end:7), ExecutorInfo(task_start:1,
task_end:1), ExecutorInfo(task_start:13, task_end:13)],
resources:WorkerResources(mem_on_heap:768.0, mem_off_heap:0.0, cpu:60.0,
shared_mem_on_heap:0.0, shared_mem_off_heap:0.0,
resources:{offheap.memory.mb=0.0, onheap.memory.mb=768.0,
cpu.pcore.percent=60.0}, shared_resources:{}), owner:zhu02)
2018-06-13 16:57:12.276 o.a.s.d.s.Slot SLOT_6700 [INFO] SLOT 6700: Assignment
Changed from null to LocalAssignment(topology_id:test-1-1528927024,
executors:[ExecutorInfo(task_start:10, task_end:10),
ExecutorInfo(task_start:16, task_end:16), ExecutorInfo(task_start:4,
task_end:4), ExecutorInfo(task_start:7, task_end:7), ExecutorInfo(task_start:1,
task_end:1), ExecutorInfo(task_start:13, task_end:13)],
resources:WorkerResources(mem_on_heap:768.0, mem_off_heap:0.0, cpu:60.0,
shared_mem_on_heap:0.0, shared_mem_off_heap:0.0,
resources:{offheap.memory.mb=0.0, onheap.memory.mb=768.0,
cpu.pcore.percent=60.0}, shared_resources:{}), owner:zhu02)
2018-06-13 16:57:12.278 o.a.s.d.s.Slot SLOT_6700 [DEBUG] Transition from
WAITING_FOR_BLOB_UPDATE to WAITING_FOR_BLOB_LOCALIZATION
2018-06-13 16:57:12.278 o.a.s.d.s.Slot SLOT_6700 [INFO] STATE
WAITING_FOR_BLOB_UPDATE msInState: 4 -> WAITING_FOR_BLOB_LOCALIZATION
msInState: 0
2018-06-13 16:57:12.279 o.a.s.d.s.Slot SLOT_6700 [DEBUG] STATE
WAITING_FOR_BLOB_LOCALIZATION
2018-06-13 16:57:12.279 o.a.s.d.s.Slot SLOT_6700 [DEBUG] pendingChangingBlobs
are []
2018-06-13 16:57:12.279 o.a.s.d.s.Slot SLOT_6700 [DEBUG] pendingLocalization
LocalAssignment(topology_id:test-1-1528927024,
executors:[ExecutorInfo(task_start:10, task_end:10),
ExecutorInfo(task_start:16, task_end:16), ExecutorInfo(task_start:4,
task_end:4), ExecutorInfo(task_start:7, task_end:7), ExecutorInfo(task_start:1,
task_end:1), ExecutorInfo(task_start:13, task_end:13)],
resources:WorkerResources(mem_on_heap:768.0, mem_off_heap:0.0, cpu:60.0,
shared_mem_on_heap:0.0, shared_mem_off_heap:0.0,
resources:{offheap.memory.mb=0.0, onheap.memory.mb=768.0,
cpu.pcore.percent=60.0}, shared_resources:{}), owner:zhu02) == current null ?
false
2018-06-13 16:57:12.280 o.a.s.d.s.Slot SLOT_6700 [DEBUG] launch container for
the first time
2018-06-13 16:57:12.284 o.a.s.d.s.BasicContainer SLOT_6700 [INFO] Created
Worker ID 4155b2bb-ebd1-431d-907f-d8a4ff1e1da4
{code}
I would like to know if this is actually the desired behavior of the state
machine, or I can help fix the bug. The implementation would be to redesign the
if statement.
> Delayed worker launch due to accidental transitioning in state machine
> ----------------------------------------------------------------------
>
> Key: STORM-3104
> URL: https://issues.apache.org/jira/browse/STORM-3104
> Project: Apache Storm
> Issue Type: Bug
> Components: storm-server
> Affects Versions: 2.0.0
> Reporter: Zhengdai Hu
> Priority: Critical
> Fix For: 2.0.0
>
>
> In Slot.java, there is a comparison in
> {code:java}
> handleWaitingForBlobUpdate()
> {code}
> between dynamic state's current assignment and new assignment, which
> accidentally route back state machine just transitioned from
> WAIT_FOR_BLOB_LOCALIZATION back to WAIT_FOR_BLOB_LOCALIZATION, because the
> current assignment in this case is highly likely to be null and different
> from new assignment (I'm not sure if it's guaranteed). This causes delay for
> a worker to start/restart.
> The symptom can be reproduced by launching an empty storm server and submit
> any topology. Here's the log sample (relevant transition starting from
> 2018-06-13 16:57:12.274 o.a.s.d.s.Slot SLOT_6700 [DEBUG]):
> {code:sh}
> 2018-06-13 16:57:10.254 o.a.s.d.s.Slot SLOT_6700 [INFO] STATE EMPTY
> msInState: 6024 -> EMPTY msInState: 6024
> 2018-06-13 16:57:10.255 o.a.s.d.s.Slot SLOT_6700 [DEBUG] STATE EMPTY
> 2018-06-13 16:57:10.257 o.a.s.d.s.Slot SLOT_6700 [DEBUG] Transition from
> EMPTY to WAITING_FOR_BLOB_LOCALIZATION
> 2018-06-13 16:57:10.257 o.a.s.d.s.Slot SLOT_6700 [INFO] STATE EMPTY
> msInState: 6027 -> WAITING_FOR_BLOB_LOCALIZATION msInState: 0
> 2018-06-13 16:57:10.258 o.a.s.d.s.Slot SLOT_6700 [DEBUG] STATE
> WAITING_FOR_BLOB_LOCALIZATION
> 2018-06-13 16:57:10.258 o.a.s.d.s.Slot SLOT_6700 [DEBUG] pendingChangingBlobs
> are []
> 2018-06-13 16:57:11.259 o.a.s.d.s.Slot SLOT_6700 [INFO] STATE
> WAITING_FOR_BLOB_LOCALIZATION msInState: 1003 ->
> WAITING_FOR_BLOB_LOCALIZATION msInState: 1003
> 2018-06-13 16:57:11.260 o.a.s.d.s.Slot SLOT_6700 [DEBUG] STATE
> WAITING_FOR_BLOB_LOCALIZATION
> 2018-06-13 16:57:11.260 o.a.s.d.s.Slot SLOT_6700 [DEBUG] found changing blobs
> [BLOB CHANGING LOCAL TOPO BLOB TOPO_CONF test-1-1528927024
> LocalAssignment(topology_id:test-1-1528927024,
> executors:[ExecutorInfo(task_start:10, task_end:10),
> ExecutorInfo(task_start:16, task_end:16), ExecutorInfo(task_start:4,
> task_end:4), ExecutorInfo(task_start:7, task_end:7),
> ExecutorInfo(task_start:1, task_end:1), ExecutorInfo(task_start:13,
> task_end:13)], resources:WorkerResources(mem_on_heap:768.0, mem_off_heap:0.0,
> cpu:60.0, shared_mem_on_heap:0.0, shared_mem_off_heap:0.0,
> resources:{offheap.memory.mb=0.0, onheap.memory.mb=768.0,
> cpu.pcore.percent=60.0}, shared_resources:{}), owner:zhu02), BLOB CHANGING
> LOCAL TOPO BLOB TOPO_CODE test-1-1528927024
> LocalAssignment(topology_id:test-1-1528927024,
> executors:[ExecutorInfo(task_start:10, task_end:10),
> ExecutorInfo(task_start:16, task_end:16), ExecutorInfo(task_start:4,
> task_end:4), ExecutorInfo(task_start:7, task_end:7),
> ExecutorInfo(task_start:1, task_end:1), ExecutorInfo(task_start:13,
> task_end:13)], resources:WorkerResources(mem_on_heap:768.0, mem_off_heap:0.0,
> cpu:60.0, shared_mem_on_heap:0.0, shared_mem_off_heap:0.0,
> resources:{offheap.memory.mb=0.0, onheap.memory.mb=768.0,
> cpu.pcore.percent=60.0}, shared_resources:{}), owner:zhu02)] moving them to
> pending...
> 2018-06-13 16:57:12.262 o.a.s.d.s.Slot SLOT_6700 [INFO] STATE
> WAITING_FOR_BLOB_LOCALIZATION msInState: 2005 ->
> WAITING_FOR_BLOB_LOCALIZATION msInState: 2005
> 2018-06-13 16:57:12.263 o.a.s.d.s.Slot SLOT_6700 [DEBUG] STATE
> WAITING_FOR_BLOB_LOCALIZATION
> 2018-06-13 16:57:12.263 o.a.s.d.s.Slot SLOT_6700 [DEBUG] found changing blobs
> [BLOB CHANGING LOCAL TOPO BLOB TOPO_JAR test-1-1528927024
> LocalAssignment(topology_id:test-1-1528927024,
> executors:[ExecutorInfo(task_start:10, task_end:10),
> ExecutorInfo(task_start:16, task_end:16), ExecutorInfo(task_start:4,
> task_end:4), ExecutorInfo(task_start:7, task_end:7),
> ExecutorInfo(task_start:1, task_end:1), ExecutorInfo(task_start:13,
> task_end:13)], resources:WorkerResources(mem_on_heap:768.0, mem_off_heap:0.0,
> cpu:60.0, shared_mem_on_heap:0.0, shared_mem_off_heap:0.0,
> resources:{offheap.memory.mb=0.0, onheap.memory.mb=768.0,
> cpu.pcore.percent=60.0}, shared_resources:{}), owner:zhu02)] moving them to
> pending...
> 2018-06-13 16:57:12.274 o.a.s.d.s.Slot SLOT_6700 [DEBUG] pendingLocalization
> LocalAssignment(topology_id:test-1-1528927024,
> executors:[ExecutorInfo(task_start:10, task_end:10),
> ExecutorInfo(task_start:16, task_end:16), ExecutorInfo(task_start:4,
> task_end:4), ExecutorInfo(task_start:7, task_end:7),
> ExecutorInfo(task_start:1, task_end:1), ExecutorInfo(task_start:13,
> task_end:13)], resources:WorkerResources(mem_on_heap:768.0, mem_off_heap:0.0,
> cpu:60.0, shared_mem_on_heap:0.0, shared_mem_off_heap:0.0,
> resources:{offheap.memory.mb=0.0, onheap.memory.mb=768.0,
> cpu.pcore.percent=60.0}, shared_resources:{}), owner:zhu02) == current null ?
> false
> 2018-06-13 16:57:12.274 o.a.s.d.s.Slot SLOT_6700 [INFO] There are pending
> changes, waiting for them to finish before launching container...
> 2018-06-13 16:57:12.275 o.a.s.d.s.Slot SLOT_6700 [DEBUG] Transition from
> WAITING_FOR_BLOB_LOCALIZATION to WAITING_FOR_BLOB_UPDATE
> 2018-06-13 16:57:12.275 o.a.s.d.s.Slot SLOT_6700 [INFO] STATE
> WAITING_FOR_BLOB_LOCALIZATION msInState: 2018 -> WAITING_FOR_BLOB_UPDATE
> msInState: 1
> 2018-06-13 16:57:12.275 o.a.s.d.s.Slot SLOT_6700 [DEBUG] STATE
> WAITING_FOR_BLOB_UPDATE
> 2018-06-13 16:57:12.275 o.a.s.d.s.Slot SLOT_6700 [DEBUG] pendingLocalization:
> null, new: LocalAssignment(topology_id:test-1-1528927024,
> executors:[ExecutorInfo(task_start:10, task_end:10),
> ExecutorInfo(task_start:16, task_end:16), ExecutorInfo(task_start:4,
> task_end:4), ExecutorInfo(task_start:7, task_end:7),
> ExecutorInfo(task_start:1, task_end:1), ExecutorInfo(task_start:13,
> task_end:13)], resources:WorkerResources(mem_on_heap:768.0, mem_off_heap:0.0,
> cpu:60.0, shared_mem_on_heap:0.0, shared_mem_off_heap:0.0,
> resources:{offheap.memory.mb=0.0, onheap.memory.mb=768.0,
> cpu.pcore.percent=60.0}, shared_resources:{}), owner:zhu02), current: null,
> pdchanging: LocalAssignment(topology_id:test-1-1528927024,
> executors:[ExecutorInfo(task_start:10, task_end:10),
> ExecutorInfo(task_start:16, task_end:16), ExecutorInfo(task_start:4,
> task_end:4), ExecutorInfo(task_start:7, task_end:7),
> ExecutorInfo(task_start:1, task_end:1), ExecutorInfo(task_start:13,
> task_end:13)], resources:WorkerResources(mem_on_heap:768.0, mem_off_heap:0.0,
> cpu:60.0, shared_mem_on_heap:0.0, shared_mem_off_heap:0.0,
> resources:{offheap.memory.mb=0.0, onheap.memory.mb=768.0,
> cpu.pcore.percent=60.0}, shared_resources:{}), owner:zhu02)
> 2018-06-13 16:57:12.276 o.a.s.d.s.Slot SLOT_6700 [INFO] SLOT 6700: Assignment
> Changed from null to LocalAssignment(topology_id:test-1-1528927024,
> executors:[ExecutorInfo(task_start:10, task_end:10),
> ExecutorInfo(task_start:16, task_end:16), ExecutorInfo(task_start:4,
> task_end:4), ExecutorInfo(task_start:7, task_end:7),
> ExecutorInfo(task_start:1, task_end:1), ExecutorInfo(task_start:13,
> task_end:13)], resources:WorkerResources(mem_on_heap:768.0, mem_off_heap:0.0,
> cpu:60.0, shared_mem_on_heap:0.0, shared_mem_off_heap:0.0,
> resources:{offheap.memory.mb=0.0, onheap.memory.mb=768.0,
> cpu.pcore.percent=60.0}, shared_resources:{}), owner:zhu02)
> 2018-06-13 16:57:12.278 o.a.s.d.s.Slot SLOT_6700 [DEBUG] Transition from
> WAITING_FOR_BLOB_UPDATE to WAITING_FOR_BLOB_LOCALIZATION
> 2018-06-13 16:57:12.278 o.a.s.d.s.Slot SLOT_6700 [INFO] STATE
> WAITING_FOR_BLOB_UPDATE msInState: 4 -> WAITING_FOR_BLOB_LOCALIZATION
> msInState: 0
> 2018-06-13 16:57:12.279 o.a.s.d.s.Slot SLOT_6700 [DEBUG] STATE
> WAITING_FOR_BLOB_LOCALIZATION
> 2018-06-13 16:57:12.279 o.a.s.d.s.Slot SLOT_6700 [DEBUG] pendingChangingBlobs
> are []
> 2018-06-13 16:57:12.279 o.a.s.d.s.Slot SLOT_6700 [DEBUG] pendingLocalization
> LocalAssignment(topology_id:test-1-1528927024,
> executors:[ExecutorInfo(task_start:10, task_end:10),
> ExecutorInfo(task_start:16, task_end:16), ExecutorInfo(task_start:4,
> task_end:4), ExecutorInfo(task_start:7, task_end:7),
> ExecutorInfo(task_start:1, task_end:1), ExecutorInfo(task_start:13,
> task_end:13)], resources:WorkerResources(mem_on_heap:768.0, mem_off_heap:0.0,
> cpu:60.0, shared_mem_on_heap:0.0, shared_mem_off_heap:0.0,
> resources:{offheap.memory.mb=0.0, onheap.memory.mb=768.0,
> cpu.pcore.percent=60.0}, shared_resources:{}), owner:zhu02) == current null ?
> false
> 2018-06-13 16:57:12.280 o.a.s.d.s.Slot SLOT_6700 [DEBUG] launch container for
> the first time
> 2018-06-13 16:57:12.284 o.a.s.d.s.BasicContainer SLOT_6700 [INFO] Created
> Worker ID 4155b2bb-ebd1-431d-907f-d8a4ff1e1da4
> {code}
> I would like to know if this is actually the desired behavior of the state
> machine, or I can help fix the bug. The implementation would be to redesign
> the if statement.
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