{"action":"reopened","issue":{"url":"https://api.github.com/repos/paritytech/parity/issues/7555","repository_url":"https://api.github.com/repos/paritytech/parity","labels_url":"https://api.github.com/repos/paritytech/parity/issues/7555/labels{/name}","comments_url":"https://api.github.com/repos/paritytech/parity/issues/7555/comments","events_url":"https://api.github.com/repos/paritytech/parity/issues/7555/events","html_url":"https://github.com/paritytech/parity/issues/7555","id":288439737,"number":7555,"title":"Constant high CPU load","user":{"login":"Grix","id":1517713,"avatar_url":"https://avatars2.githubusercontent.com/u/1517713?v=4","gravatar_id":"","url":"https://api.github.com/users/Grix","html_url":"https://github.com/Grix","followers_url":"https://api.github.com/users/Grix/followers","following_url":"https://api.github.com/users/Grix/following{/other_user}","gists_url":"https://api.github.com/users/Grix/gists{/gist_id}","starred_url":"https://api.github.com/users/Grix/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Grix/subscriptions","organizations_url":"https://api.github.com/users/Grix/orgs","repos_url":"https://api.github.com/users/Grix/repos","events_url":"https://api.github.com/users/Grix/events{/privacy}","received_events_url":"https://api.github.com/users/Grix/received_events","type":"User","site_admin":false},"labels":[{"id":441816407,"url":"https://api.github.com/repos/paritytech/parity/labels/M4-core","name":"M4-core","color":"f0faec","default":false},{"id":290482954,"url":"https://api.github.com/repos/paritytech/parity/labels/Z0-question","name":"Z0-question","color":"f8f8f8","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":{"url":"https://api.github.com/repos/paritytech/parity/milestones/18","html_url":"https://github.com/paritytech/parity/milestone/18","labels_url":"https://api.github.com/repos/paritytech/parity/milestones/18/labels","id":2267417,"number":18,"title":"1.9","description":"","creator":{"login":"gavofyork","id":138296,"avatar_url":"https://avatars0.githubusercontent.com/u/138296?v=4","gravatar_id":"","url":"https://api.github.com/users/gavofyork","html_url":"https://github.com/gavofyork","followers_url":"https://api.github.com/users/gavofyork/followers","following_url":"https://api.github.com/users/gavofyork/following{/other_user}","gists_url":"https://api.github.com/users/gavofyork/gists{/gist_id}","starred_url":"https://api.github.com/users/gavofyork/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/gavofyork/subscriptions","organizations_url":"https://api.github.com/users/gavofyork/orgs","repos_url":"https://api.github.com/users/gavofyork/repos","events_url":"https://api.github.com/users/gavofyork/events{/privacy}","received_events_url":"https://api.github.com/users/gavofyork/received_events","type":"User","site_admin":false},"open_issues":1,"closed_issues":741,"state":"closed","created_at":"2017-01-20T16:28:15Z","updated_at":"2018-03-01T08:56:01Z","due_on":"2018-01-22T08:00:00Z","closed_at":"2018-01-26T16:02:39Z"},"comments":21,"created_at":"2018-01-14T21:07:45Z","updated_at":"2018-03-01T08:56:01Z","closed_at":null,"author_association":"CONTRIBUTOR","body":"> I'm running:\r\n>\r\n> - **Which Parity version?**: Parity//v1.8.6-beta-2d051e4-20180109/x86_64-windows-msvc/rustc1.22.1\r\n> - **Which operating system?**: Windows 10 16299\r\n> - **How installed?**: via installer\r\n> - **Are you fully synchronized?**: yes\r\n> - **Which network are you connected to?**: ethereum\r\n> - **Did you try to restart the node?**: yes\r\n\r\nParity.exe is constantly causing a high CPU load when active, even after syncing is fully done.\r\n\r\nThe CPU usage hovers between 30 and 50%. Sometimes it spikes higher, but it almost never goes lower. Network and IO usage is also significant. This is with an Intel i5 quad core and SSD.\r\n\r\nThis has been the case for past versions as well, not just 1.8.6\r\n\r\nI can't imagine this is normal behavior, or is running a full node really that resource intensive?\r\n\r\nThe node log looks pretty much like this:\r\n\r\n[1/14/2018, 10:05:43 PM]  Imported #4909037 c960…ca62 (60 txs, 8.01 Mgas, 150.31 ms, 16.14 KiB)\r\n[1/14/2018, 10:05:37 PM]    16/25 peers      6 MiB chain  118 MiB db  0 bytes queue  167 KiB sync  RPC:  1 conn, 15 req/s, 72442 µs\r\n[1/14/2018, 10:05:37 PM]  Imported #4909036 8e2b…aa98 (235 txs, 8.01 Mgas, 446.04 ms, 36.40 KiB)\r\n[1/14/2018, 10:05:33 PM]  Imported #4909035 6df4…f4d7 (230 txs, 8.00 Mgas, 266.41 ms, 36.25 KiB)\r\n[1/14/2018, 10:05:17 PM]  Imported #4909034 787e…320c (233 txs, 7.99 Mgas, 298.78 ms, 32.18 KiB)\r\n[1/14/2018, 10:05:07 PM]  Imported #4909033 733d…0cee (268 txs, 7.99 Mgas, 501.40 ms, 36.32 KiB)\r\n[1/14/2018, 10:04:57 PM]    17/25 peers      6 MiB chain  120 MiB db  0 bytes queue  167 KiB sync  RPC:  1 conn,  2 req/s, 367 µs\r\n[1/14/2018, 10:04:50 PM]  Imported #4909032 61ea…2c33 (262 txs, 8.00 Mgas, 401.61 ms, 34.93 KiB)\r\n[1/14/2018, 10:04:36 PM]  Imported #4909030 e262…2d55 (202 txs, 5.46 Mgas, 333.79 ms, 26.00 KiB)\r\n[1/14/2018, 10:04:32 PM]  Imported #4909031 b817…42d8 (165 txs, 8.00 Mgas, 345.86 ms, 30.54 KiB)\r\n[1/14/2018, 10:04:24 PM]    15/25 peers      5 MiB chain  120 MiB db  0 bytes queue  167 KiB sync  RPC:  1 conn,  2 req/s, 344 µs\r\n[1/14/2018, 10:04:04 PM]  Imported #4909030 bf50…8038 (186 txs, 7.98 Mgas, 218.27 ms, 30.15 KiB)\r\n[1/14/2018, 10:03:53 PM]    13/25 peers      4 MiB chain  120 MiB db  0 bytes queue  167 KiB sync  RPC:  1 conn,  0 req/s, 438 µs\r\n[1/14/2018, 10:03:51 PM]  Imported #4909026 2520…04fc (122 txs, 7.93 Mgas, 282.55 ms, 23.38 KiB)\r\n[1/14/2018, 10:03:45 PM]  Imported #4909028 8777…9280 (137 txs, 7.95 Mgas, 290.20 ms, 23.56 KiB)\r\n[1/14/2018, 10:03:41 PM]  Imported #4909027 122f…b902 (131 txs, 7.93 Mgas, 319.74 ms, 22.82 KiB)\r\n[1/14/2018, 10:03:37 PM]  Reorg to #4909025 3492…ecdc (c202…26af #4909023 09a8…1574 fd85…ccd3)\r\n[1/14/2018, 10:03:27 PM]  Imported #4909024 df25…9782 (70 txs, 3.38 Mgas, 91.03 ms, 11.50 KiB)\r\n[1/14/2018, 10:03:19 PM]    13/25 peers      6 MiB chain  120 MiB db  0 bytes queue  168 KiB sync  RPC:  1 conn,  7 req/s, 111 µs\r\n[1/14/2018, 10:03:13 PM]  Imported #4909024 c202…26af (137 txs, 7.88 Mgas, 326.85 ms, 25.42 KiB)\r\n[1/14/2018, 10:03:08 PM]  Imported #4909023 09a8…1574 (170 txs, 7.99 Mgas, 432.06 ms, 24.99 KiB) + another 1 block(s) containing 211 tx(s)\r\n[1/14/2018, 10:03:04 PM]  Reorg to #4909023 09a8…1574 (4b0f…00be #4909021 affb…3fd1 0b3a…990f)\r\n[1/14/2018, 10:03:03 PM]  Imported #4909022 4b0f…00be (211 txs, 8.00 Mgas, 362.44 ms, 34.66 KiB)\r\n[1/14/2018, 10:02:45 PM]    14/25 peers      5 MiB chain  120 MiB db  0 bytes queue  167 KiB sync  RPC:  1 conn,  6 req/s, 447 µs\r\n[1/14/2018, 10:02:45 PM]  Imported #4909018 5277…def4 (206 txs, 7.98 Mgas, 295.08 ms, 35.91 KiB)"}}
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