---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-784 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 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 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.8G 12G 41% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 435 1118 0 2390 3241 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 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:7c:39:39 brd ff:ff:ff:ff:ff:ff inet 10.32.6.249/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86073sec preferred_lft 86073sec inet6 fe80::f816:3eff:fe7c:3939/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-784) 11/25/23 _x86_64_ (4 CPU) 15:07:48 LINUX RESTART (4 CPU) 15:08:01 tps rtps wtps bread/s bwrtn/s 15:09:01 91.47 42.74 48.73 1969.81 6554.51 15:10:01 88.82 28.97 59.85 1621.33 12561.15 15:11:01 11.31 0.02 11.30 0.13 861.86 15:12:01 26.65 0.45 26.20 43.99 6976.97 15:13:01 46.02 2.48 43.54 150.48 6310.43 Average: 52.85 14.93 37.92 757.16 6653.17 15:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:09:01 1792928 3350428 2245716 55.61 48704 1665556 603540 11.86 567472 1506480 132976 15:10:01 1434720 3225148 2603924 64.48 58456 1878884 723120 14.21 708660 1704048 14424 15:11:01 1418472 3215360 2620172 64.88 59580 1883416 731784 14.38 718844 1707692 1636 15:12:01 1170396 3173876 2868248 71.02 61632 2083760 764280 15.02 761476 1904680 3868 15:13:01 1156116 3330904 2882528 71.37 69536 2242752 599720 11.79 646616 2025296 55476 Average: 1394526 3259143 2644118 65.47 59582 1950874 684489 13.46 680614 1769639 41676 15:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:09:01 ens3 300.88 227.78 1326.23 62.56 0.00 0.00 0.00 0.00 15:09:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 15:10:01 ens3 112.56 101.12 984.94 23.73 0.00 0.00 0.00 0.00 15:10:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 15:11:01 ens3 57.36 81.39 71.73 13.00 0.00 0.00 0.00 0.00 15:11:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:12:01 ens3 484.59 429.35 3352.50 46.70 0.00 0.00 0.00 0.00 15:12:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 15:13:01 ens3 195.52 217.73 832.15 46.16 0.00 0.00 0.00 0.00 15:13:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 230.18 211.47 1313.48 38.43 0.00 0.00 0.00 0.00 Average: lo 0.80 0.80 0.07 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-784) 11/25/23 _x86_64_ (4 CPU) 15:07:48 LINUX RESTART (4 CPU) 15:08:01 CPU %user %nice %system %iowait %steal %idle 15:09:01 all 20.45 0.00 1.64 2.36 0.05 75.51 15:09:01 0 19.10 0.00 1.70 0.32 0.03 78.85 15:09:01 1 10.84 0.00 1.29 3.03 0.03 84.82 15:09:01 2 30.08 0.00 1.74 5.54 0.07 62.58 15:09:01 3 21.76 0.00 1.85 0.57 0.05 75.77 15:10:01 all 17.24 0.00 0.99 2.14 0.05 79.59 15:10:01 0 29.09 0.00 1.61 0.91 0.07 68.33 15:10:01 1 15.16 0.00 0.74 1.30 0.03 82.76 15:10:01 2 11.64 0.00 1.09 6.36 0.07 80.85 15:10:01 3 12.99 0.00 0.50 0.03 0.03 86.44 15:11:01 all 5.23 0.00 0.25 0.06 0.03 94.42 15:11:01 0 2.17 0.00 0.12 0.00 0.02 97.69 15:11:01 1 9.07 0.00 0.12 0.00 0.03 90.78 15:11:01 2 4.87 0.00 0.38 0.23 0.03 94.47 15:11:01 3 4.80 0.00 0.42 0.00 0.03 94.75 15:12:01 all 6.69 0.00 0.59 0.39 0.04 92.29 15:12:01 0 9.51 0.00 0.67 0.25 0.05 89.52 15:12:01 1 5.57 0.00 0.38 0.00 0.03 94.01 15:12:01 2 4.91 0.00 0.45 0.93 0.03 93.67 15:12:01 3 6.81 0.00 0.82 0.39 0.03 91.95 15:13:01 all 19.70 0.00 1.18 0.84 0.05 78.23 15:13:01 0 8.47 0.00 1.22 0.03 0.07 90.21 15:13:01 1 19.60 0.00 0.80 0.07 0.03 79.50 15:13:01 2 44.14 0.00 1.96 3.16 0.08 50.66 15:13:01 3 6.63 0.00 0.72 0.07 0.03 92.55 Average: all 13.86 0.00 0.93 1.16 0.04 84.01 Average: 0 13.68 0.00 1.06 0.30 0.05 84.91 Average: 1 12.05 0.00 0.67 0.88 0.03 86.38 Average: 2 19.11 0.00 1.12 3.24 0.06 76.47 Average: 3 10.60 0.00 0.86 0.21 0.04 88.29