Logging of large object graphes may fill disk quickly
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Key: CDV-754
URL: https://jira.terracotta.org/jira//browse/CDV-754
Project: Community Development
Issue Type: Bug
Affects Versions: 2.5.4
Reporter: Stefan F
Assignee: Issue Review Board
The produced log file, due to a misconfigured application, needed more than 8GB
after 2 hours (and would probably be even bigger). I think the reason is a
class that is not instrumented within a object graph, which causes the whole
object graph to be logged. However, this object graph did contain some *big*
byte arrays that made the log file explode:
[SNIP]
2008-05-14 13:38:48,745 [btpool0-5] WARN com.terracottatech.dso.runtime -
[2344] = 0
2008-05-14 13:38:48,745 [btpool0-5] WARN com.terracottatech.dso.runtime -
[2345] = 0
2008-05-14 13:38:48,745 [btpool0-5] WARN com.terracottatech.dso.runtime -
[2346] = 1
2008-05-14 13:38:48,745 [btpool0-5] WARN com.terracottatech.dso.runtime -
[2347] = 7
2008-05-14 13:38:48,745 [btpool0-5] WARN com.terracottatech.dso.runtime -
[2348] = 2
2008-05-14 13:38:48,745 [btpool0-5] WARN com.terracottatech.dso.runtime -
[2349] = 3
2008-05-14 13:38:48,745 [btpool0-5] WARN com.terracottatech.dso.runtime -
[2350] = 6
2008-05-14 13:38:48,745 [btpool0-5] WARN com.terracottatech.dso.runtime -
[2351] = 3
2008-05-14 13:38:48,745 [btpool0-5] WARN com.terracottatech.dso.runtime -
[2352] = 6
2008-05-14 13:38:48,745 [btpool0-5] WARN com.terracottatech.dso.runtime -
[2353] = 0
2008-05-14 13:38:48,745 [btpool0-5] WARN com.terracottatech.dso.runtime -
[2354] = 7
2008-05-14 13:38:48,746 [btpool0-5] WARN com.terracottatech.dso.runtime -
[2355] = 3
2008-05-14 13:38:48,746 [btpool0-5] WARN com.terracottatech.dso.runtime -
[2356] = 1
2008-05-14 13:38:48,746 [btpool0-5] WARN com.terracottatech.dso.runtime -
[2357] = 1
2008-05-14 13:38:48,746 [btpool0-5] WARN com.terracottatech.dso.runtime -
[2358] = 2
2008-05-14 13:38:48,746 [btpool0-5] WARN com.terracottatech.dso.runtime -
[2359] = 2
2008-05-14 13:38:48,746 [btpool0-5] WARN com.terracottatech.dso.runtime -
[2360] = 3
2008-05-14 13:38:48,746 [btpool0-5] WARN com.terracottatech.dso.runtime -
[2361] = 1
2008-05-14 13:38:48,746 [btpool0-5] WARN com.terracottatech.dso.runtime -
[2362] = 2
2008-05-14 13:38:48,746 [btpool0-5] WARN com.terracottatech.dso.runtime -
[2363] = 2
[SNIP]
I doubt, that this behavior (which filled my disk and rendered my system
useless) is desired. well, you could argue, that log files should be on a
separate partition and I would totally agree. However, most of the information
in the log is useless and extremely verbose (> 150 characters to display each
byte in a byte array), so it would probably make sense to improve logging.
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