---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-3512 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 485 5395 0 2095 7212 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:eb:54:b8 brd ff:ff:ff:ff:ff:ff inet 10.32.6.244/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86115sec preferred_lft 86115sec inet6 fe80::f816:3eff:feeb:54b8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-3512) 01/17/26 _x86_64_ (4 CPU) 19:12:48 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:02 119.86 53.93 65.93 3540.95 6457.46 19:15:01 63.94 12.98 50.96 314.66 8490.22 19:16:01 58.19 6.75 51.44 417.26 6916.71 19:17:01 23.54 0.33 23.21 33.59 4309.76 Average: 66.39 18.52 47.87 1079.86 6535.30 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:02 5941432 7383200 2225980 27.25 38424 1582636 721136 7.82 622264 1439464 65744 19:15:01 5598044 7263260 2569368 31.46 57712 1771312 868140 9.42 762012 1612276 103332 19:16:01 5594340 7450932 2573072 31.50 63124 1952532 612752 6.65 651292 1716592 115740 19:17:01 5505296 7372892 2662116 32.59 65088 1961152 691724 7.51 736192 1719916 19296 Average: 5659778 7367571 2507634 30.70 56087 1816908 723438 7.85 692940 1622062 76028 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:02 ens3 473.21 253.83 1473.90 68.34 0.00 0.00 0.00 0.00 19:14:02 lo 0.80 0.80 0.08 0.08 0.00 0.00 0.00 0.00 19:15:01 ens3 89.31 60.50 458.26 17.70 0.00 0.00 0.00 0.00 19:15:01 lo 1.49 1.49 0.14 0.14 0.00 0.00 0.00 0.00 19:16:01 ens3 286.74 292.88 1231.57 570.49 0.00 0.00 0.00 0.00 19:16:01 lo 1.37 1.37 0.13 0.13 0.00 0.00 0.00 0.00 19:17:01 ens3 10.33 11.25 8.40 5.56 0.00 0.00 0.00 0.00 19:17:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 215.42 155.01 794.43 166.13 0.00 0.00 0.00 0.00 Average: lo 1.13 1.13 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-3512) 01/17/26 _x86_64_ (4 CPU) 19:12:48 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:02 all 24.54 0.00 2.12 3.27 1.49 68.58 19:14:02 0 35.05 0.00 2.82 1.82 2.19 58.12 19:14:02 1 20.91 0.00 2.67 8.84 1.25 66.33 19:14:02 2 22.90 0.00 1.37 1.02 1.40 73.32 19:14:02 3 19.24 0.00 1.65 1.44 1.15 76.52 19:15:01 all 27.22 0.00 1.67 1.68 1.60 67.83 19:15:01 0 53.29 0.00 2.80 0.78 2.13 41.00 19:15:01 1 23.99 0.00 1.56 4.62 1.57 68.26 19:15:01 2 15.15 0.00 0.91 0.71 1.40 81.82 19:15:01 3 16.51 0.00 1.39 0.59 1.27 80.24 19:16:01 all 37.87 0.00 2.07 1.18 2.34 56.54 19:16:01 0 30.64 0.00 1.30 0.67 1.95 65.45 19:16:01 1 30.66 0.00 2.37 2.46 2.51 62.01 19:16:01 2 31.63 0.00 1.56 0.95 2.18 63.69 19:16:01 3 58.53 0.00 3.09 0.66 2.71 35.01 19:17:01 all 21.61 0.00 0.99 0.61 0.87 75.92 19:17:01 0 6.43 0.00 0.67 0.53 0.63 91.74 19:17:01 1 5.94 0.00 0.68 1.66 0.73 90.99 19:17:01 2 9.47 0.00 0.78 0.02 0.38 89.35 19:17:01 3 64.65 0.00 1.85 0.22 1.72 31.57 Average: all 27.82 0.00 1.72 1.68 1.57 67.21 Average: 0 31.25 0.00 1.89 0.95 1.72 64.18 Average: 1 20.36 0.00 1.82 4.39 1.52 71.91 Average: 2 19.81 0.00 1.16 0.67 1.34 77.02 Average: 3 39.84 0.00 2.00 0.73 1.71 55.72