---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8390 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 7.7G 12G 41% / 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 465 5171 0 2339 7227 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:f5:35:97 brd ff:ff:ff:ff:ff:ff inet 10.32.6.171/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86042sec preferred_lft 86042sec inet6 fe80::f816:3eff:fef5:3597/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8390) 03/07/26 _x86_64_ (4 CPU) 23:17:55 LINUX RESTART (4 CPU) 23:18:01 tps rtps wtps bread/s bwrtn/s 23:19:02 142.85 58.29 84.56 3665.23 40415.41 23:20:01 83.58 30.74 52.84 1694.22 9103.27 23:21:01 33.94 7.20 26.75 652.02 6542.78 23:22:01 12.85 4.08 8.77 147.18 3531.01 23:23:01 30.58 0.73 29.85 82.52 8043.46 Average: 60.69 20.18 40.51 1246.91 13543.78 23:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:19:02 5997420 7414372 2170000 26.57 36788 1560360 704716 7.65 585276 1421224 85136 23:20:01 5694884 7386492 2472536 30.27 56552 1799708 758952 8.24 652904 1624224 101036 23:21:01 4712972 6603872 3454448 42.30 62312 1986756 1435924 15.58 1461668 1781324 93740 23:22:01 5369584 7460232 2797836 34.26 65892 2177512 625756 6.79 675608 1902052 187568 23:23:01 5336728 7438892 2830692 34.66 68540 2186160 652096 7.08 705388 1904412 10500 Average: 5422318 7260772 2745102 33.61 58017 1942099 835489 9.07 816169 1726647 95596 23:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:19:02 lo 0.80 0.80 0.08 0.08 0.00 0.00 0.00 0.00 23:19:02 ens3 433.77 231.28 1402.83 66.06 0.00 0.00 0.00 0.00 23:20:01 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 23:20:01 ens3 54.86 45.65 459.08 11.22 0.00 0.00 0.00 0.00 23:21:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 23:21:01 ens3 209.63 193.30 2655.59 25.83 0.00 0.00 0.00 0.00 23:22:01 lo 120.70 120.70 36.32 36.32 0.00 0.00 0.00 0.00 23:22:01 ens3 118.70 107.73 1248.64 16.43 0.00 0.00 0.00 0.00 23:23:01 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 23:23:01 ens3 13.90 14.16 10.68 6.57 0.00 0.00 0.00 0.00 Average: lo 24.93 24.93 7.35 7.35 0.00 0.00 0.00 0.00 Average: ens3 166.56 118.68 1157.71 25.27 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8390) 03/07/26 _x86_64_ (4 CPU) 23:17:55 LINUX RESTART (4 CPU) 23:18:01 CPU %user %nice %system %iowait %steal %idle 23:19:02 all 22.58 0.00 2.94 4.40 1.18 68.90 23:19:02 0 10.83 0.00 5.01 3.91 0.85 79.40 23:19:02 1 29.76 0.00 2.71 5.28 1.49 60.76 23:19:02 2 26.00 0.00 2.20 4.87 1.30 65.63 23:19:02 3 23.71 0.00 1.87 3.52 1.10 69.80 23:20:01 all 22.81 0.00 1.45 2.11 1.39 72.24 23:20:01 0 6.02 0.00 0.49 0.08 1.58 91.83 23:20:01 1 39.55 0.00 2.45 1.08 1.73 55.19 23:20:01 2 16.71 0.00 1.48 5.84 0.93 75.04 23:20:01 3 29.07 0.00 1.39 1.47 1.29 66.79 23:21:01 all 32.87 0.00 1.41 0.85 2.48 62.38 23:21:01 0 32.88 0.00 1.29 0.36 2.50 62.96 23:21:01 1 32.41 0.00 1.25 1.90 2.20 62.25 23:21:01 2 34.87 0.00 2.08 0.53 2.94 59.58 23:21:01 3 31.32 0.00 1.02 0.64 2.31 64.70 23:22:01 all 44.52 0.00 1.59 0.35 3.40 50.14 23:22:01 0 43.12 0.00 2.06 0.43 3.35 51.04 23:22:01 1 41.68 0.00 1.47 0.43 3.16 53.25 23:22:01 2 51.55 0.00 1.46 0.05 3.52 43.42 23:22:01 3 41.76 0.00 1.37 0.48 3.55 52.85 23:23:01 all 20.12 0.00 0.98 0.76 0.90 77.23 23:23:01 0 6.32 0.00 0.85 2.78 0.61 89.45 23:23:01 1 34.78 0.00 1.00 0.15 1.30 62.78 23:23:01 2 34.80 0.00 1.50 0.07 1.17 62.46 23:23:01 3 4.60 0.00 0.60 0.03 0.57 94.20 Average: all 28.62 0.00 1.68 1.69 1.87 66.14 Average: 0 19.88 0.00 1.94 1.51 1.78 74.89 Average: 1 35.63 0.00 1.77 1.77 1.98 58.85 Average: 2 32.86 0.00 1.74 2.25 1.98 61.16 Average: 3 26.12 0.00 1.25 1.23 1.77 69.63