---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-9227 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 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 7.7G 12G 40% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7975 462 5205 0 2307 7229 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:86:ca:fd brd ff:ff:ff:ff:ff:ff inet 10.32.6.76/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86093sec preferred_lft 86093sec inet6 fe80::f816:3eff:fe86:cafd/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-9227) 08/26/26 _x86_64_ (4 CPU) 14:54:49 LINUX RESTART (4 CPU) 14:55:01 tps rtps wtps bread/s bwrtn/s 14:56:02 128.03 54.61 73.42 3588.60 17922.76 14:57:01 67.33 17.51 49.82 1267.58 9459.68 14:58:01 94.88 21.81 73.07 989.84 10783.00 14:59:01 26.86 1.88 24.98 107.45 5097.42 Average: 79.33 23.98 55.35 1489.29 10821.39 14:55:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:56:02 5929100 7401736 2238320 27.41 39668 1610940 715604 7.76 610812 1459368 119348 14:57:01 5668620 7479660 2498800 30.59 58300 1913168 612772 6.65 529312 1766480 204904 14:58:01 5418204 7474464 2749216 33.66 66100 2143256 610612 6.63 657184 1872568 106576 14:59:01 5332584 7404608 2834836 34.71 68768 2156508 676076 7.34 739504 1877960 9340 Average: 5587127 7440117 2580293 31.59 58209 1955968 653766 7.09 634203 1744094 110042 14:55:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:56:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 14:56:02 ens3 441.18 223.26 1509.09 65.20 0.00 0.00 0.00 0.00 14:57:01 lo 1.56 1.56 0.15 0.15 0.00 0.00 0.00 0.00 14:57:01 ens3 80.46 69.19 864.67 14.75 0.00 0.00 0.00 0.00 14:58:01 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 14:58:01 ens3 271.52 306.60 1526.84 67.67 0.00 0.00 0.00 0.00 14:59:01 lo 1.40 1.40 0.12 0.12 0.00 0.00 0.00 0.00 14:59:01 ens3 58.16 60.51 27.90 599.54 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 213.38 165.29 982.62 187.51 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-9227) 08/26/26 _x86_64_ (4 CPU) 14:54:49 LINUX RESTART (4 CPU) 14:55:01 CPU %user %nice %system %iowait %steal %idle 14:56:02 all 23.60 0.00 1.80 3.80 1.26 69.54 14:56:02 0 12.19 0.00 1.51 3.13 0.96 82.21 14:56:02 1 32.75 0.00 2.78 4.58 1.40 58.49 14:56:02 2 21.84 0.00 1.54 5.08 1.66 69.88 14:56:02 3 27.60 0.00 1.36 2.43 1.01 67.59 14:57:01 all 21.36 0.00 1.50 1.61 1.05 74.48 14:57:01 0 2.14 0.00 0.70 0.10 0.22 96.85 14:57:01 1 49.40 0.00 2.66 3.49 1.41 43.04 14:57:01 2 14.43 0.00 1.24 1.98 1.71 80.65 14:57:01 3 19.60 0.00 1.40 0.85 0.83 77.32 14:58:01 all 44.94 0.00 2.88 1.80 3.34 47.03 14:58:01 0 49.64 0.00 2.32 0.98 3.44 43.63 14:58:01 1 42.34 0.00 2.81 2.69 3.12 49.05 14:58:01 2 45.95 0.00 3.72 2.36 3.59 44.38 14:58:01 3 41.83 0.00 2.66 1.22 3.22 51.07 14:59:01 all 20.66 0.00 0.97 0.79 0.75 76.83 14:59:01 0 23.39 0.00 0.73 0.15 0.80 74.93 14:59:01 1 15.72 0.00 1.13 1.76 0.73 80.65 14:59:01 2 36.59 0.00 1.38 1.20 1.27 59.56 14:59:01 3 6.97 0.00 0.68 0.02 0.22 92.12 Average: all 27.69 0.00 1.79 2.00 1.60 66.91 Average: 0 21.97 0.00 1.32 1.09 1.36 74.26 Average: 1 34.99 0.00 2.34 3.13 1.67 57.87 Average: 2 29.75 0.00 1.97 2.66 2.06 63.57 Average: 3 24.06 0.00 1.53 1.13 1.33 71.96