---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-45004 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl xtopology cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 7.9G 0 7.9G 0% /dev tmpfs 1.6G 672K 1.6G 1% /run /dev/vda1 78G 9.8G 68G 13% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 614 11624 0 3801 15095 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:7b:3c:14 brd ff:ff:ff:ff:ff:ff inet 10.30.106.180/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85637sec preferred_lft 85637sec inet6 fe80::f816:3eff:fe7b:3c14/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-45004) 09/11/25 _x86_64_ (4 CPU) 00:05:40 LINUX RESTART (4 CPU) 00:06:01 tps rtps wtps bread/s bwrtn/s 00:07:02 154.66 33.41 121.25 1766.91 13196.20 00:08:01 124.50 25.23 99.27 1380.11 15714.49 00:09:01 41.54 6.73 34.81 198.23 8160.51 00:10:01 32.78 0.37 32.41 13.33 6100.85 00:11:01 38.01 0.42 37.59 8.80 11807.10 00:12:01 36.28 0.07 36.21 0.93 10825.00 00:13:01 20.75 0.20 20.55 3.87 6539.44 00:14:01 15.53 0.02 15.51 0.40 4802.40 00:15:01 5.20 0.00 5.20 0.00 4789.20 00:16:01 11.75 0.00 11.75 0.00 4601.27 00:17:01 25.26 1.55 23.71 172.90 19450.22 00:18:01 45.67 1.30 44.37 100.10 17340.09 Average: 45.88 5.75 40.14 302.29 10269.69 00:06:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:07:02 13825540 15566364 2599428 15.83 74112 1859160 1092760 6.25 667868 1700104 242212 00:08:01 12222664 14138712 4202304 25.58 81260 2019608 1884512 10.78 2165120 1787980 34016 00:09:01 11907640 13968724 4517328 27.50 87628 2150980 2063984 11.81 2366004 1887216 36944 00:10:01 11994788 14107976 4430180 26.97 92512 2194100 1924024 11.01 2237056 1920420 18156 00:11:01 11604100 14067260 4820868 29.35 100072 2518916 1923140 11.01 2308348 2215520 121600 00:12:01 11242656 13830056 5182312 31.55 102532 2633168 2216048 12.68 2593068 2284844 29404 00:13:01 10651672 13304520 5773296 35.15 104400 2694668 2817260 16.12 3127040 2334756 9812 00:14:01 11082140 13787712 5342828 32.53 105288 2744896 2271312 13.00 2650524 2383936 25808 00:15:01 11073776 13792692 5351192 32.58 105372 2757656 2232108 12.77 2651224 2391188 1032 00:16:01 11187840 14042536 5237128 31.89 107660 2884260 1946856 11.14 2443080 2480136 104408 00:17:01 10978536 14498320 5446432 33.16 109524 3525048 1724720 9.87 2061276 3048804 330732 00:18:01 11924376 15475428 4500592 27.40 113324 3546928 842620 4.82 1131932 3029236 24312 Average: 11641311 14215025 4783657 29.12 98640 2627449 1911612 10.94 2200212 2288678 81536 00:06:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:07:02 ens3 76.32 62.52 1281.65 12.87 0.00 0.00 0.00 0.00 00:07:02 lo 1.40 1.40 0.17 0.17 0.00 0.00 0.00 0.00 00:08:01 ens3 413.83 309.81 1487.93 132.69 0.00 0.00 0.00 0.00 00:08:01 lo 0.41 0.41 0.03 0.03 0.00 0.00 0.00 0.00 00:09:01 ens3 717.26 469.39 1448.61 197.90 0.00 0.00 0.00 0.00 00:09:01 lo 1.00 1.00 0.18 0.18 0.00 0.00 0.00 0.00 00:10:01 ens3 371.39 236.88 383.01 86.12 0.00 0.00 0.00 0.00 00:10:01 lo 26.06 26.06 3.97 3.97 0.00 0.00 0.00 0.00 00:11:01 ens3 881.27 590.58 3286.45 222.05 0.00 0.00 0.00 0.00 00:11:01 lo 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 00:12:01 ens3 1409.22 998.53 1120.25 382.54 0.00 0.00 0.00 0.00 00:12:01 lo 1.98 1.98 0.29 0.29 0.00 0.00 0.00 0.00 00:13:01 ens3 6677.15 4088.12 1988.69 1806.86 0.00 0.00 0.00 0.00 00:13:01 lo 54.44 54.44 15.82 15.82 0.00 0.00 0.00 0.00 00:14:01 ens3 9109.45 5154.46 2819.65 2508.15 0.00 0.00 0.00 0.00 00:14:01 lo 9.12 9.12 1.63 1.63 0.00 0.00 0.00 0.00 00:15:01 ens3 391.00 324.00 116.91 176.17 0.00 0.00 0.00 0.00 00:15:01 lo 18.85 18.85 4.18 4.18 0.00 0.00 0.00 0.00 00:16:01 ens3 690.30 440.24 250.21 186.30 0.00 0.00 0.00 0.00 00:16:01 lo 8.96 8.96 1.79 1.79 0.00 0.00 0.00 0.00 00:17:01 ens3 674.82 438.38 2304.23 108.69 0.00 0.00 0.00 0.00 00:17:01 lo 0.33 0.33 0.04 0.04 0.00 0.00 0.00 0.00 00:18:01 ens3 591.29 406.55 356.65 243.81 0.00 0.00 0.00 0.00 00:18:01 lo 0.67 0.67 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 1835.55 1127.74 1403.54 505.86 0.00 0.00 0.00 0.00 Average: lo 10.30 10.30 2.35 2.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-45004) 09/11/25 _x86_64_ (4 CPU) 00:05:40 LINUX RESTART (4 CPU) 00:06:01 CPU %user %nice %system %iowait %steal %idle 00:07:02 all 19.31 0.00 1.40 2.18 0.05 77.06 00:07:02 0 20.30 0.00 1.63 0.89 0.03 77.15 00:07:02 1 35.45 0.00 2.60 5.68 0.05 56.23 00:07:02 2 11.45 0.00 0.53 0.37 0.07 87.59 00:07:02 3 10.10 0.00 0.85 1.84 0.02 87.20 00:08:01 all 58.74 0.00 2.02 0.69 0.09 38.46 00:08:01 0 54.83 0.00 1.84 0.07 0.09 43.18 00:08:01 1 58.07 0.00 2.28 0.93 0.08 38.64 00:08:01 2 60.17 0.00 2.09 1.43 0.08 36.23 00:08:01 3 61.90 0.00 1.87 0.32 0.10 35.81 00:09:01 all 49.06 0.00 2.19 1.23 0.07 47.45 00:09:01 0 54.19 0.00 1.59 0.12 0.07 44.04 00:09:01 1 45.92 0.00 3.13 3.96 0.08 46.91 00:09:01 2 48.80 0.00 1.92 0.82 0.08 48.37 00:09:01 3 47.30 0.00 2.15 0.02 0.07 50.47 00:10:01 all 44.58 0.00 1.76 0.29 0.07 53.30 00:10:01 0 50.14 0.00 1.39 0.02 0.07 48.39 00:10:01 1 38.77 0.00 1.67 0.92 0.07 58.58 00:10:01 2 46.58 0.00 2.40 0.22 0.07 50.74 00:10:01 3 42.86 0.00 1.59 0.00 0.07 55.48 00:11:01 all 62.60 0.00 2.72 0.17 0.08 34.43 00:11:01 0 63.17 0.00 2.34 0.02 0.08 34.39 00:11:01 1 65.95 0.00 3.28 0.47 0.07 30.24 00:11:01 2 61.28 0.00 2.16 0.13 0.08 36.33 00:11:01 3 60.00 0.00 3.10 0.05 0.08 36.77 00:12:01 all 37.87 0.00 4.27 0.38 0.10 57.38 00:12:01 0 37.61 0.00 3.16 0.35 0.08 58.80 00:12:01 1 36.58 0.00 3.96 0.68 0.12 58.67 00:12:01 2 38.85 0.00 3.55 0.42 0.08 57.09 00:12:01 3 38.45 0.00 6.42 0.08 0.10 54.94 00:13:01 all 44.63 0.00 13.99 0.44 0.10 40.84 00:13:01 0 43.81 0.00 11.96 0.27 0.12 43.84 00:13:01 1 42.41 0.00 14.48 1.29 0.08 41.74 00:13:01 2 46.00 0.00 15.76 0.18 0.08 37.97 00:13:01 3 46.31 0.00 13.75 0.02 0.10 39.82 00:14:01 all 49.60 0.00 22.55 0.16 0.09 27.59 00:14:01 0 49.30 0.00 21.52 0.19 0.08 28.91 00:14:01 1 49.02 0.00 19.88 0.30 0.10 30.70 00:14:01 2 49.00 0.00 23.61 0.15 0.10 27.14 00:14:01 3 51.06 0.00 25.24 0.00 0.08 23.61 00:15:01 all 34.08 0.00 4.10 0.19 0.07 61.56 00:15:01 0 35.58 0.00 4.54 0.12 0.07 59.70 00:15:01 1 32.65 0.00 4.89 0.53 0.07 61.85 00:15:01 2 34.89 0.00 2.09 0.12 0.07 62.84 00:15:01 3 33.22 0.00 4.85 0.00 0.07 61.86 00:16:01 all 48.81 0.00 2.29 0.15 0.07 48.68 00:16:01 0 49.43 0.00 2.26 0.00 0.08 48.23 00:16:01 1 46.82 0.00 2.70 0.47 0.07 49.94 00:16:01 2 53.16 0.00 1.88 0.10 0.08 44.78 00:16:01 3 45.82 0.00 2.29 0.00 0.08 51.80 00:17:01 all 39.65 0.00 4.89 0.86 0.07 54.53 00:17:01 0 38.26 0.00 1.07 0.94 0.07 59.67 00:17:01 1 35.57 0.00 1.49 1.97 0.07 60.90 00:17:01 2 61.21 0.00 15.96 0.38 0.08 22.36 00:17:01 3 23.59 0.00 1.07 0.18 0.05 75.11 00:17:01 CPU %user %nice %system %iowait %steal %idle 00:18:01 all 41.52 0.00 1.98 0.74 0.07 55.70 00:18:01 0 50.46 0.00 1.85 0.40 0.07 47.22 00:18:01 1 41.96 0.00 1.86 0.17 0.07 55.95 00:18:01 2 34.90 0.00 1.30 2.31 0.05 61.44 00:18:01 3 38.79 0.00 2.91 0.08 0.07 58.15 Average: all 44.18 0.00 5.34 0.62 0.08 49.78 Average: 0 45.58 0.00 4.58 0.28 0.08 49.48 Average: 1 44.07 0.00 5.18 1.45 0.08 49.23 Average: 2 45.48 0.00 6.10 0.55 0.08 47.78 Average: 3 41.57 0.00 5.50 0.22 0.07 52.64