---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-5526 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 8.5G 11G 44% / 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 4378 0 3122 7207 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:fe:28:ed brd ff:ff:ff:ff:ff:ff inet 10.32.7.11/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86108sec preferred_lft 86108sec inet6 fe80::f816:3eff:fefe:28ed/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-5526) 07/11/26 _x86_64_ (4 CPU) 10:41:48 LINUX RESTART (4 CPU) 10:42:01 tps rtps wtps bread/s bwrtn/s 10:43:01 113.28 48.39 64.89 3420.36 6366.67 10:44:01 49.11 0.07 49.04 6.40 8932.24 10:45:01 110.20 37.36 72.84 2098.45 38369.87 10:46:01 30.21 1.47 28.74 105.70 4399.73 Average: 75.70 21.82 53.88 1407.67 14516.71 10:42:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:43:01 5939804 7389976 2227608 27.27 38660 1590476 713932 7.75 616360 1446072 77108 10:44:01 5667060 7377356 2500352 30.61 55840 1817684 714028 7.75 636372 1667352 133256 10:45:01 4359132 7139684 3808280 46.63 63132 2862284 916896 9.95 916468 2656928 7980 10:46:01 4513572 7406316 3653840 44.74 67040 2968760 652480 7.08 693844 2723216 25844 Average: 5119892 7328333 3047520 37.31 56168 2309801 749334 8.13 715761 2123392 61047 10:42:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:43:01 ens3 405.82 224.98 1501.65 64.00 0.00 0.00 0.00 0.00 10:43:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 10:44:01 ens3 39.38 28.00 365.82 3.70 0.00 0.00 0.00 0.00 10:44:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 10:45:01 ens3 737.24 521.73 16392.62 65.96 0.00 0.00 0.00 0.00 10:45:01 lo 1.23 1.23 0.13 0.13 0.00 0.00 0.00 0.00 10:46:01 ens3 102.40 115.00 491.36 22.90 0.00 0.00 0.00 0.00 10:46:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 321.20 222.42 4687.69 39.14 0.00 0.00 0.00 0.00 Average: lo 0.82 0.82 0.08 0.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5526) 07/11/26 _x86_64_ (4 CPU) 10:41:48 LINUX RESTART (4 CPU) 10:42:01 CPU %user %nice %system %iowait %steal %idle 10:43:01 all 21.48 0.00 1.60 4.47 3.16 69.28 10:43:01 0 40.31 0.00 2.15 4.18 4.10 49.27 10:43:01 1 12.57 0.00 1.30 2.87 2.56 80.70 10:43:01 2 14.67 0.00 1.44 2.27 3.07 78.54 10:43:01 3 18.37 0.00 1.53 8.58 2.91 68.61 10:44:01 all 17.58 0.00 1.16 1.99 1.62 77.65 10:44:01 0 53.58 0.00 2.92 0.95 2.29 40.27 10:44:01 1 5.04 0.00 0.38 0.02 1.22 93.34 10:44:01 2 0.23 0.00 0.15 0.10 1.27 98.25 10:44:01 3 11.64 0.00 1.22 6.93 1.69 78.53 10:45:01 all 32.65 0.00 2.28 2.72 6.33 56.02 10:45:01 0 41.47 0.00 4.19 3.16 5.92 45.25 10:45:01 1 30.71 0.00 1.04 1.29 5.62 61.34 10:45:01 2 26.90 0.00 1.91 5.01 6.42 59.76 10:45:01 3 31.58 0.00 1.97 1.42 7.33 57.70 10:46:01 all 21.35 0.00 1.26 0.98 2.95 73.45 10:46:01 0 9.32 0.00 0.90 0.12 2.27 87.40 10:46:01 1 44.37 0.00 1.68 0.48 3.13 50.34 10:46:01 2 20.97 0.00 1.24 0.78 3.90 73.11 10:46:01 3 10.80 0.00 1.25 2.53 2.53 82.90 Average: all 23.30 0.00 1.58 2.54 3.52 69.06 Average: 0 36.14 0.00 2.54 2.11 3.65 55.56 Average: 1 23.20 0.00 1.10 1.17 3.14 71.40 Average: 2 15.76 0.00 1.19 2.05 3.68 77.33 Average: 3 18.16 0.00 1.50 4.84 3.63 71.87