---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2980 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 464 5254 0 2257 7228 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:db:3a:42 brd ff:ff:ff:ff:ff:ff inet 10.32.7.205/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86101sec preferred_lft 86101sec inet6 fe80::f816:3eff:fedb:3a42/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2980) 06/09/26 _x86_64_ (4 CPU) 12:46:54 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:03 141.87 54.78 87.08 3592.13 40851.75 12:49:01 62.60 5.79 56.81 182.97 10385.25 12:50:01 100.72 33.21 67.51 2031.13 8649.89 12:51:01 33.53 3.52 30.01 134.78 5651.19 Average: 84.86 24.48 60.38 1496.05 16433.65 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:03 5972416 7416612 2194996 26.88 38368 1584992 715252 7.76 586476 1442672 99204 12:49:01 5756056 7485068 2411356 29.52 57232 1833132 622328 6.75 520816 1689344 155384 12:50:01 5323672 7210812 2843740 34.82 65248 1978096 876768 9.51 867040 1762504 6608 12:51:01 5398368 7417668 2769044 33.90 68492 2104912 665480 7.22 725708 1826852 9616 Average: 5612628 7382540 2554784 31.28 57335 1875283 719957 7.81 675010 1680343 67703 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:03 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 12:48:03 ens3 419.15 224.83 1522.30 65.28 0.00 0.00 0.00 0.00 12:49:01 lo 0.34 0.34 0.03 0.03 0.00 0.00 0.00 0.00 12:49:01 ens3 66.94 51.41 540.09 11.95 0.00 0.00 0.00 0.00 12:50:01 lo 1.50 1.50 0.14 0.14 0.00 0.00 0.00 0.00 12:50:01 ens3 306.28 332.84 1336.15 58.15 0.00 0.00 0.00 0.00 12:51:01 lo 1.20 1.20 0.10 0.10 0.00 0.00 0.00 0.00 12:51:01 ens3 98.27 113.86 279.78 616.17 0.00 0.00 0.00 0.00 Average: lo 0.95 0.95 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 223.95 181.82 922.73 189.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2980) 06/09/26 _x86_64_ (4 CPU) 12:46:54 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:03 all 21.66 0.00 2.36 4.66 1.74 69.58 12:48:03 0 10.75 0.00 3.96 6.67 1.36 77.26 12:48:03 1 11.02 0.00 1.07 1.20 1.13 85.58 12:48:03 2 36.98 0.00 2.50 6.53 2.75 51.24 12:48:03 3 27.85 0.00 1.88 4.24 1.68 64.36 12:49:01 all 21.21 0.00 1.31 1.88 1.43 74.18 12:49:01 0 27.83 0.00 1.05 5.57 1.26 64.30 12:49:01 1 13.45 0.00 0.82 0.20 2.03 83.50 12:49:01 2 38.32 0.00 2.62 0.55 1.89 56.62 12:49:01 3 5.30 0.00 0.74 1.22 0.55 92.19 12:50:01 all 45.89 0.00 2.51 2.26 4.24 45.10 12:50:01 0 49.82 0.00 1.98 0.91 4.07 43.22 12:50:01 1 43.56 0.00 1.94 1.01 3.56 49.93 12:50:01 2 45.78 0.00 3.89 3.22 5.05 42.07 12:50:01 3 44.39 0.00 2.23 3.89 4.27 45.22 12:51:01 all 21.57 0.00 1.24 1.01 1.45 74.73 12:51:01 0 20.60 0.00 1.79 1.59 1.79 74.23 12:51:01 1 9.69 0.00 0.65 0.03 0.52 89.11 12:51:01 2 33.28 0.00 1.48 0.38 1.72 63.14 12:51:01 3 22.75 0.00 1.05 1.99 1.76 72.46 Average: all 27.66 0.00 1.86 2.45 2.22 65.80 Average: 0 27.27 0.00 2.21 3.66 2.13 64.73 Average: 1 19.51 0.00 1.12 0.61 1.81 76.95 Average: 2 38.61 0.00 2.63 2.69 2.86 53.21 Average: 3 25.26 0.00 1.48 2.85 2.08 68.33