---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8387 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 7.8G 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 464 5073 0 2437 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:b6:92:1a brd ff:ff:ff:ff:ff:ff inet 10.32.7.197/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86021sec preferred_lft 86021sec inet6 fe80::f816:3eff:feb6:921a/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-8387) 03/07/26 _x86_64_ (4 CPU) 22:37:54 LINUX RESTART (4 CPU) 22:38:01 tps rtps wtps bread/s bwrtn/s 22:39:01 144.43 59.49 84.94 3752.31 40435.81 22:40:01 85.07 30.71 54.36 1678.39 9421.50 22:41:01 31.56 0.18 31.38 2.53 8034.79 22:42:01 9.45 0.00 9.45 0.00 377.27 22:43:01 46.67 2.15 44.52 115.16 8860.25 22:44:01 26.23 0.70 25.53 77.85 4836.53 Average: 57.23 15.54 41.69 937.68 11994.27 22:38:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:39:01 5972356 7392268 2195064 26.88 36888 1562748 725220 7.87 607048 1423644 86904 22:40:01 5603380 7294624 2564040 31.39 56584 1798976 841280 9.13 743828 1624048 100512 22:41:01 5461292 7290084 2706128 33.13 58532 1931916 793916 8.61 748368 1755792 1808 22:42:01 5445196 7281236 2722224 33.33 60428 1936340 793916 8.61 759460 1759320 756 22:43:01 5182064 7379092 2985356 36.55 65480 2284820 708892 7.69 677936 2089176 115820 22:44:01 5163724 7367136 3003696 36.78 67908 2288276 729020 7.91 695796 2087760 10980 Average: 5471335 7334073 2696085 33.01 57637 1967179 765374 8.30 705406 1789957 52797 22:38:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:39:01 lo 0.80 0.80 0.08 0.08 0.00 0.00 0.00 0.00 22:39:01 ens3 460.92 251.87 1426.88 67.47 0.00 0.00 0.00 0.00 22:40:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 22:40:01 ens3 60.22 50.76 421.95 14.93 0.00 0.00 0.00 0.00 22:41:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 22:41:01 ens3 126.30 118.00 2215.26 15.23 0.00 0.00 0.00 0.00 22:42:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 22:42:01 ens3 56.57 81.37 63.08 13.18 0.00 0.00 0.00 0.00 22:43:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 22:43:01 ens3 635.70 584.71 4086.85 72.96 0.00 0.00 0.00 0.00 22:44:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 22:44:01 ens3 11.88 12.38 9.30 6.10 0.00 0.00 0.00 0.00 Average: lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 225.28 183.19 1370.63 31.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8387) 03/07/26 _x86_64_ (4 CPU) 22:37:54 LINUX RESTART (4 CPU) 22:38:01 CPU %user %nice %system %iowait %steal %idle 22:39:01 all 21.11 0.00 2.64 4.46 1.35 70.44 22:39:01 0 7.01 0.00 3.76 4.28 0.83 84.11 22:39:01 1 30.80 0.00 1.77 4.08 1.50 61.85 22:39:01 2 11.57 0.00 2.28 6.53 1.70 77.92 22:39:01 3 35.05 0.00 2.78 2.92 1.38 57.86 22:40:01 all 22.08 0.00 1.49 2.15 1.17 73.11 22:40:01 0 33.61 0.00 2.07 2.37 1.22 60.75 22:40:01 1 6.05 0.00 0.45 0.93 0.52 92.05 22:40:01 2 40.78 0.00 2.74 1.70 2.21 52.57 22:40:01 3 7.90 0.00 0.70 3.61 0.75 87.04 22:41:01 all 8.31 0.00 0.50 0.55 0.50 90.14 22:41:01 0 5.05 0.00 0.18 0.03 0.22 94.52 22:41:01 1 12.27 0.00 0.33 0.00 0.55 86.85 22:41:01 2 4.57 0.00 0.55 0.07 0.70 94.11 22:41:01 3 11.36 0.00 0.92 2.09 0.55 85.08 22:42:01 all 3.93 0.00 0.28 0.02 0.12 95.65 22:42:01 0 0.57 0.00 0.08 0.00 0.03 99.32 22:42:01 1 6.63 0.00 0.35 0.00 0.18 92.84 22:42:01 2 5.89 0.00 0.58 0.07 0.12 93.34 22:42:01 3 2.63 0.00 0.10 0.00 0.15 97.12 22:43:01 all 19.68 0.00 1.43 0.63 1.09 77.17 22:43:01 0 14.76 0.00 0.72 0.10 0.77 83.66 22:43:01 1 16.36 0.00 1.64 0.84 1.04 80.12 22:43:01 2 32.74 0.00 2.16 1.10 1.69 62.31 22:43:01 3 14.93 0.00 1.20 0.48 0.88 82.51 22:44:01 all 20.95 0.00 0.91 0.79 0.96 76.39 22:44:01 0 5.53 0.00 0.50 0.00 0.23 93.73 22:44:01 1 32.21 0.00 1.15 1.23 1.20 64.21 22:44:01 2 23.42 0.00 0.94 1.85 1.69 72.09 22:44:01 3 22.59 0.00 1.08 0.07 0.70 75.56 Average: all 16.01 0.00 1.21 1.43 0.87 80.48 Average: 0 11.09 0.00 1.22 1.13 0.55 86.01 Average: 1 17.38 0.00 0.95 1.18 0.83 79.66 Average: 2 19.83 0.00 1.54 1.89 1.35 75.38 Average: 3 15.75 0.00 1.13 1.53 0.74 80.86