---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1040 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: 2799.998 BogoMIPS: 5599.99 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 480 5274 0 2221 7213 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:1e:d3:5e brd ff:ff:ff:ff:ff:ff inet 10.32.6.13/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86119sec preferred_lft 86119sec inet6 fe80::f816:3eff:fe1e:d35e/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-1040) 05/16/26 _x86_64_ (4 CPU) 15:35:56 LINUX RESTART (4 CPU) 15:36:01 tps rtps wtps bread/s bwrtn/s 15:37:01 162.41 80.70 81.70 4859.59 40009.48 15:38:01 70.12 12.51 57.61 265.02 10409.20 15:39:01 72.12 5.95 66.17 395.27 10357.21 15:40:01 32.33 0.85 31.48 87.99 4389.80 Average: 84.24 25.00 59.24 1401.97 16291.42 15:36:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:37:01 6046684 7439308 2120736 25.97 36036 1537248 666760 7.23 556696 1401072 71876 15:38:01 5664316 7324876 2503104 30.65 56712 1768024 831468 9.02 692544 1614140 106880 15:39:01 5133152 7004624 3034268 37.15 63800 1964692 1003828 10.89 1047232 1774068 6844 15:40:01 5442836 7424292 2724584 33.36 67728 2068640 648936 7.04 665792 1842188 25800 Average: 5571747 7298275 2595673 31.78 56069 1834651 787748 8.55 740566 1657867 52850 15:36:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:37:01 lo 1.53 1.53 0.13 0.13 0.00 0.00 0.00 0.00 15:37:01 ens3 285.50 191.08 1235.64 62.75 0.00 0.00 0.00 0.00 15:38:01 lo 1.20 1.20 0.12 0.12 0.00 0.00 0.00 0.00 15:38:01 ens3 76.60 61.54 724.46 13.81 0.00 0.00 0.00 0.00 15:39:01 lo 1.47 1.47 0.17 0.17 0.00 0.00 0.00 0.00 15:39:01 ens3 413.53 428.23 2959.94 70.68 0.00 0.00 0.00 0.00 15:40:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 15:40:01 ens3 162.74 143.84 653.89 37.13 0.00 0.00 0.00 0.00 Average: lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 234.59 206.17 1393.48 46.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1040) 05/16/26 _x86_64_ (4 CPU) 15:35:56 LINUX RESTART (4 CPU) 15:36:01 CPU %user %nice %system %iowait %steal %idle 15:37:01 all 21.79 0.00 2.66 5.44 2.34 67.77 15:37:01 0 19.06 0.00 1.65 8.64 2.36 68.28 15:37:01 1 27.59 0.00 3.97 4.60 2.28 61.56 15:37:01 2 24.54 0.00 1.91 4.87 2.17 66.51 15:37:01 3 16.02 0.00 3.10 3.63 2.54 74.71 15:38:01 all 22.91 0.00 1.39 2.02 2.08 71.60 15:38:01 0 19.65 0.00 1.34 5.26 1.94 71.80 15:38:01 1 41.50 0.00 2.45 0.48 2.22 53.35 15:38:01 2 8.53 0.00 0.71 0.38 2.28 88.10 15:38:01 3 22.05 0.00 1.11 1.99 1.89 72.95 15:39:01 all 40.36 0.00 2.00 0.76 4.70 52.18 15:39:01 0 46.40 0.00 1.81 0.63 4.32 46.84 15:39:01 1 41.23 0.00 1.76 0.56 4.30 52.15 15:39:01 2 34.08 0.00 1.95 0.79 4.51 58.67 15:39:01 3 39.81 0.00 2.40 1.06 5.65 51.09 15:40:01 all 23.50 0.00 1.38 0.79 1.82 72.51 15:40:01 0 36.35 0.00 1.36 0.35 1.56 60.37 15:40:01 1 9.82 0.00 1.53 1.71 2.17 84.77 15:40:01 2 30.30 0.00 1.22 0.72 2.22 65.54 15:40:01 3 17.62 0.00 1.46 0.38 1.36 79.18 Average: all 27.16 0.00 1.86 2.25 2.74 65.99 Average: 0 30.37 0.00 1.54 3.72 2.55 61.82 Average: 1 30.01 0.00 2.43 1.84 2.74 62.98 Average: 2 24.35 0.00 1.45 1.68 2.80 69.72 Average: 3 23.93 0.00 2.02 1.77 2.87 69.41