---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2430 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 7.6G 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 474 5249 0 2252 7218 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:14:bf:10 brd ff:ff:ff:ff:ff:ff inet 10.32.6.44/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86102sec preferred_lft 86102sec inet6 fe80::f816:3eff:fe14:bf10/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2430) 06/02/26 _x86_64_ (4 CPU) 12:46:58 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:01 171.49 88.22 83.27 4978.64 40204.78 12:49:01 57.16 1.43 55.73 52.78 9309.56 12:50:01 107.21 38.62 68.59 2181.01 9599.20 12:51:01 31.96 3.43 28.53 133.71 5159.81 Average: 91.96 32.93 59.03 1836.47 16067.79 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:01 6038664 7433664 2128756 26.06 36384 1539092 677024 7.35 566528 1402580 73076 12:49:01 5784756 7492108 2382664 29.17 57164 1812008 603024 6.54 510720 1674700 165112 12:50:01 5097064 6976176 3070356 37.59 64968 1969812 1083972 11.76 1096328 1760716 4792 12:51:01 5407144 7420868 2760276 33.80 68472 2098916 661528 7.18 724668 1821208 24712 Average: 5581907 7330704 2585513 31.66 56747 1854957 756387 8.21 724561 1664801 66923 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:01 ens3 392.07 209.23 1291.07 64.67 0.00 0.00 0.00 0.00 12:48:01 lo 1.55 1.55 0.14 0.14 0.00 0.00 0.00 0.00 12:49:01 ens3 56.48 48.20 656.80 6.21 0.00 0.00 0.00 0.00 12:49:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 12:50:01 ens3 299.62 334.57 1455.31 63.23 0.00 0.00 0.00 0.00 12:50:01 lo 1.63 1.63 0.16 0.16 0.00 0.00 0.00 0.00 12:51:01 ens3 110.66 129.88 317.48 619.27 0.00 0.00 0.00 0.00 12:51:01 lo 1.27 1.27 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 214.70 180.47 930.18 188.33 0.00 0.00 0.00 0.00 Average: lo 1.18 1.18 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2430) 06/02/26 _x86_64_ (4 CPU) 12:46:58 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:01 all 20.92 0.00 2.85 5.69 1.53 69.01 12:48:01 0 18.18 0.00 2.21 3.37 1.35 74.90 12:48:01 1 20.30 0.00 4.70 1.88 1.68 71.45 12:48:01 2 10.05 0.00 1.83 8.90 1.37 77.85 12:48:01 3 35.15 0.00 2.66 8.61 1.71 51.86 12:49:01 all 20.61 0.00 1.20 1.72 1.28 75.19 12:49:01 0 59.03 0.00 3.10 0.33 1.96 35.58 12:49:01 1 1.51 0.00 0.11 0.07 1.85 96.46 12:49:01 2 11.14 0.00 0.83 5.39 0.78 81.86 12:49:01 3 11.06 0.00 0.80 1.10 0.53 86.51 12:50:01 all 46.04 0.00 2.49 2.10 3.73 45.65 12:50:01 0 44.43 0.00 2.90 3.43 3.29 45.95 12:50:01 1 45.38 0.00 1.46 0.33 3.34 49.50 12:50:01 2 46.24 0.00 3.11 3.34 4.59 42.72 12:50:01 3 48.11 0.00 2.48 1.26 3.69 44.47 12:51:01 all 22.46 0.00 1.43 0.89 1.00 74.23 12:51:01 0 16.71 0.00 1.17 1.03 0.83 80.26 12:51:01 1 33.12 0.00 1.53 0.78 1.30 63.27 12:51:01 2 26.04 0.00 1.85 1.32 1.10 69.69 12:51:01 3 13.99 0.00 1.13 0.45 0.77 83.66 Average: all 27.53 0.00 1.99 2.60 1.89 65.99 Average: 0 34.60 0.00 2.34 2.04 1.86 59.16 Average: 1 25.02 0.00 1.94 0.76 2.04 70.23 Average: 2 23.40 0.00 1.91 4.74 1.96 67.99 Average: 3 27.12 0.00 1.77 2.86 1.68 66.58