[JIRA] (JENKINS-10912) Memory leak (?) in dashboard

[torb...@java.net (JIRA)]

torbent commented on JENKINS-10912 Memory leak (?) in dashboard We also have client-side memory problems. Running Jenkins 1.471, seen with both IE and Firefox. It builds up major memory "waste" overnight, and I'm not using auto-refresh. I took a snapshot of Firefox's about:memory the other day, after one night of Jenkins (here only the Jenkins compartment is shown): 1,165.05 MB (100.0%) ++ -- explicit ├────730.22 MB (62.68%) ── heap-unclassified ├────419.95 MB (36.05%) ++ -- js │ ├──325.76 MB (27.96%) ++ -- compartment(http://jenkins/) │ │ ├──256.25 MB (22.00%) ++ -- gc-heap │ │ │ ├──167.00 MB (14.33%) ++ -- objects │ │ │ │ ├──126.47 MB (10.86%) ── non-function │ │ │ │ └───40.52 MB (03.48%) ── function │ │ │ ├───76.72 MB (06.58%) ++ -- shapes │ │ │ │ ├──64.94 MB (05.57%) ── dict │ │ │ │ └──11.78 MB (01.01%) ++ -- (2 tiny) │ │ │ │ ├──11.44 MB (00.98%) ── base │ │ │ │ └───0.34 MB (00.03%) ── tree │ │ │ ├───11.92 MB (01.02%) ++ -- arena │ │ │ │ ├───7.62 MB (00.65%) ── unused │ │ │ │ ├───2.30 MB (00.20%) ── padding │ │ │ │ └───2.00 MB (00.17%) ── headers │ │ │ └────0.61 MB (00.05%) ++ -- (3 tiny) │ │ │ ├──0.46 MB (00.04%) ── scripts │ │ │ ├──0.12 MB (00.01%) ── type-objects │ │ │ └──0.03 MB (00.00%) ── strings │ │ ├───37.10 MB (03.18%) ++ -- shapes-extra │ │ │ ├──36.47 MB (03.13%) ── dict-tables │ │ │ └───0.63 MB (00.05%) ++ -- (3 tiny) │ │ │ ├──0.50 MB (00.04%) ── tree-tables │ │ │ ├──0.08 MB (00.01%) ── tree-shape-kids │ │ │ └──0.05 MB (00.00%) ── compartment-tables │ │ ├───27.99 MB (02.40%) ── object-slots │ │ └────4.41 MB (00.38%) ++ -- (7 tiny) │ │ ├──2.01 MB (00.17%) ── object-elements │ │ ├──0.97 MB (00.08%) ── analysis-temporary │ │ ├──0.66 MB (00.06%) ── script-data │ │ ├──0.45 MB (00.04%) ── mjit-code │ │ ├──0.25 MB (00.02%) ++ -- type-inference │ │ │ ├──0.16 MB (00.01%) ── object-main │ │ │ ├──0.05 MB (00.00%) ── script-main │ │ │ └──0.03 MB (00.00%) ── tables │ │ ├──0.05 MB (00.00%) ── mjit-data │ │ └──0.02 MB (00.00%) ── string-chars Then I did a refresh (F5), which caused the machine+firefox to thrash for 10-15 minutes while it cleaned up its memory. After the dust settled, about:memory said this (again cut to Jenkins): 146.06 MB (100.0%) ++ -- explicit ├───96.13 MB (65.82%) ++ -- js │ ├──59.40 MB (40.67%) ── gc-heap-decommitted │ ├──10.38 MB (07.11%) ++ -- compartment(http://jenkins/) │ │ ├───6.78 MB (04.64%) ++ -- gc-heap │ │ │ ├──4.00 MB (02.74%) ++ -- arena │ │ │ │ ├──3.88 MB (02.66%) ── unused │ │ │ │ └──0.12 MB (00.08%) ++ -- (2 tiny) │ │ │ │ ├──0.06 MB (00.04%) ── padding │ │ │ │ └──0.05 MB (00.04%) ── headers │ │ │ └──2.78 MB (01.90%) ++ -- (5 tiny) │ │ │ ├──1.24 MB (00.85%) ++ -- objects │ │ │ │ ├──0.72 MB (00.50%) ── non-function │ │ │ │ └──0.51 MB (00.35%) ── function │ │ │ ├──0.94 MB (00.64%) ++ -- shapes │ │ │ │ ├──0.45 MB (00.31%) ── dict │ │ │ │ ├──0.34 MB (00.23%) ── tree │ │ │ │ └──0.15 MB (00.11%) ── base │ │ │ ├──0.46 MB (00.31%) ── scripts │ │ │ ├──0.12 MB (00.08%) ── type-objects │ │ │ └──0.03 MB (00.02%) ── strings │ │ └───3.60 MB (02.47%) ++ -- (9 tiny) │ │ ├──1.10 MB (00.75%) ── analysis-temporary │ │ ├──0.85 MB (00.58%) ++ -- shapes-extra │ │ │ ├──0.50 MB (00.34%) ── tree-tables │ │ │ ├──0.23 MB (00.16%) ── dict-tables │ │ │ ├──0.08 MB (00.05%) ── tree-shape-kids │ │ │ └──0.05 MB (00.03%) ── compartment-tables │ │ ├──0.66 MB (00.45%) ── script-data │ │ ├──0.45 MB (00.31%) ── mjit-code │ │ ├──0.26 MB (00.18%) ++ -- type-inference │ │ │ ├──0.16 MB (00.11%) ── object-main │ │ │ ├──0.07 MB (00.05%) ── script-main │ │ │ └──0.03 MB (00.02%) ── tables │ │ ├──0.20 MB (00.14%) ── object-slots │ │ ├──0.05 MB (00.04%) ── mjit-data │ │ ├──0.02 MB (00.01%) ── string-chars │ │ └──0.01 MB (00.01%) ── object-elements Much better, and I remember to close my browser after work ...

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