---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-5326 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 7.6G 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 478 5251 0 2245 7215 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:c9:90:a6 brd ff:ff:ff:ff:ff:ff inet 10.32.6.32/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86135sec preferred_lft 86135sec inet6 fe80::f816:3eff:fec9:90a6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5326) 02/07/26 _x86_64_ (4 CPU) 08:12:52 LINUX RESTART (4 CPU) 08:13:01 tps rtps wtps bread/s bwrtn/s 08:14:01 137.88 54.76 83.12 3617.13 39140.03 08:15:02 86.30 29.77 56.53 1637.16 11079.05 08:16:01 74.77 9.98 64.79 676.36 8387.73 08:17:01 27.61 0.70 26.91 77.85 3737.38 Average: 81.67 23.86 57.81 1505.61 15615.21 08:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:01 5930564 7404892 2236856 27.39 40404 1611036 707708 7.68 606424 1459828 126168 08:15:02 5500848 7272016 2666572 32.65 59028 1874384 811624 8.81 764200 1698912 86416 08:16:01 5421040 7418440 2746380 33.63 65960 2086856 656452 7.12 692912 1840232 74776 08:17:01 5378352 7386748 2789068 34.15 68608 2094908 694092 7.53 732064 1842744 9828 Average: 5557701 7370524 2609719 31.95 58500 1916796 717469 7.79 698900 1710429 74297 08:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:01 ens3 444.33 258.74 1423.91 66.72 0.00 0.00 0.00 0.00 08:14:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 08:15:02 ens3 161.47 132.30 1602.05 25.95 0.00 0.00 0.00 0.00 08:15:02 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 08:16:01 ens3 423.66 450.84 2195.36 80.23 0.00 0.00 0.00 0.00 08:16:01 lo 1.44 1.44 0.20 0.20 0.00 0.00 0.00 0.00 08:17:01 ens3 12.60 13.28 9.85 6.64 0.00 0.00 0.00 0.00 08:17:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 259.81 212.78 1304.14 44.73 0.00 0.00 0.00 0.00 Average: lo 1.13 1.13 0.12 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5326) 02/07/26 _x86_64_ (4 CPU) 08:12:52 LINUX RESTART (4 CPU) 08:13:01 CPU %user %nice %system %iowait %steal %idle 08:14:01 all 23.12 0.00 1.95 4.07 1.07 69.79 08:14:01 0 13.64 0.00 2.17 8.16 0.75 75.28 08:14:01 1 44.05 0.00 2.37 1.07 1.42 51.09 08:14:01 2 21.20 0.00 1.85 5.27 1.05 70.62 08:14:01 3 13.62 0.00 1.43 1.75 1.05 82.14 08:15:02 all 28.37 0.00 1.69 1.67 1.33 66.94 08:15:02 0 15.01 0.00 1.36 0.51 0.99 82.13 08:15:02 1 34.67 0.00 1.60 1.05 1.30 61.38 08:15:02 2 46.67 0.00 2.45 3.63 1.60 45.65 08:15:02 3 17.20 0.00 1.35 1.51 1.41 78.52 08:16:01 all 41.48 0.00 2.30 1.23 2.78 52.21 08:16:01 0 40.13 0.00 2.43 2.26 2.56 52.63 08:16:01 1 47.06 0.00 1.43 0.12 2.59 48.80 08:16:01 2 35.37 0.00 1.61 0.59 2.70 59.73 08:16:01 3 43.39 0.00 3.73 1.94 3.27 47.67 08:17:01 all 20.57 0.00 0.88 0.93 1.11 76.50 08:17:01 0 1.51 0.00 0.28 0.23 1.43 96.54 08:17:01 1 41.18 0.00 1.41 0.37 1.38 55.66 08:17:01 2 0.47 0.00 0.40 2.87 0.50 95.76 08:17:01 3 39.34 0.00 1.43 0.27 1.13 57.83 Average: all 28.35 0.00 1.70 1.97 1.57 66.41 Average: 0 17.46 0.00 1.55 2.78 1.43 76.78 Average: 1 41.73 0.00 1.70 0.65 1.67 54.25 Average: 2 25.89 0.00 1.58 3.10 1.46 67.97 Average: 3 28.35 0.00 1.98 1.37 1.71 66.59