---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-986 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: 2800.022 BogoMIPS: 5600.04 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 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.6G 12G 40% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 421 1254 0 2268 3256 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:d8:fa:f7 brd ff:ff:ff:ff:ff:ff inet 10.32.6.173/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86191sec preferred_lft 86191sec inet6 fe80::f816:3eff:fed8:faf7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-986) 12/16/23 _x86_64_ (4 CPU) 08:12:59 LINUX RESTART (4 CPU) 08:13:01 tps rtps wtps bread/s bwrtn/s 08:14:02 191.43 120.96 70.46 6473.07 42863.67 08:15:01 98.85 29.79 69.06 1654.23 10868.40 08:16:01 74.94 10.36 64.57 741.34 11047.89 Average: 121.47 53.46 68.01 2943.77 21534.08 08:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:02 1829420 3378956 2209224 54.70 48352 1656496 575988 11.32 537732 1499088 140612 08:15:01 1345952 3200396 2692692 66.67 61336 1936992 765960 15.06 737044 1758456 142572 08:16:01 1317524 3363068 2721120 67.38 69216 2115040 587708 11.55 668172 1847064 40556 Average: 1497632 3314140 2541012 62.92 59635 1902843 643219 12.64 647649 1701536 107913 08:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:02 ens3 331.84 227.27 1379.01 63.34 0.00 0.00 0.00 0.00 08:14:02 lo 2.24 2.24 0.20 0.20 0.00 0.00 0.00 0.00 08:15:01 ens3 267.65 282.77 1933.51 44.53 0.00 0.00 0.00 0.00 08:15:01 lo 1.36 1.36 0.13 0.13 0.00 0.00 0.00 0.00 08:16:01 ens3 292.37 325.73 1447.54 61.82 0.00 0.00 0.00 0.00 08:16:01 lo 2.07 2.07 0.25 0.25 0.00 0.00 0.00 0.00 Average: ens3 297.26 278.85 1585.91 56.59 0.00 0.00 0.00 0.00 Average: lo 1.89 1.89 0.19 0.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-986) 12/16/23 _x86_64_ (4 CPU) 08:12:59 LINUX RESTART (4 CPU) 08:13:01 CPU %user %nice %system %iowait %steal %idle 08:14:02 all 20.92 0.00 2.33 6.51 0.05 70.19 08:14:02 0 26.59 0.00 1.83 2.67 0.05 68.86 08:14:02 1 31.98 0.00 2.65 4.47 0.07 60.84 08:14:02 2 10.60 0.00 3.00 9.34 0.05 77.00 08:14:02 3 14.45 0.00 1.81 9.58 0.05 74.11 08:15:01 all 25.70 0.00 1.40 1.95 0.06 70.90 08:15:01 0 28.78 0.00 1.43 0.48 0.05 69.27 08:15:01 1 17.05 0.00 0.64 0.07 0.03 82.20 08:15:01 2 43.28 0.00 2.26 1.75 0.08 52.63 08:15:01 3 13.79 0.00 1.28 5.46 0.07 79.40 08:16:01 all 32.41 0.00 1.47 1.08 0.06 64.98 08:16:01 0 23.78 0.00 1.10 0.27 0.05 74.80 08:16:01 1 45.88 0.00 1.70 0.08 0.07 52.27 08:16:01 2 32.19 0.00 1.67 1.82 0.07 64.25 08:16:01 3 27.78 0.00 1.41 2.14 0.07 68.60 Average: all 26.38 0.00 1.73 3.16 0.06 68.67 Average: 0 26.37 0.00 1.45 1.13 0.05 70.99 Average: 1 31.72 0.00 1.66 1.53 0.06 65.03 Average: 2 28.74 0.00 2.31 4.28 0.07 64.60 Average: 3 18.73 0.00 1.50 5.70 0.06 74.01