---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-11992 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 676K 1.6G 1% /run /dev/vda1 78G 8.5G 69G 11% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 617 13022 0 2400 15104 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:2b:77:d4 brd ff:ff:ff:ff:ff:ff inet 10.30.107.113/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85963sec preferred_lft 85963sec inet6 fe80::f816:3eff:fe2b:77d4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-11992) 11/11/25 _x86_64_ (4 CPU) 21:10:27 LINUX RESTART (4 CPU) 21:11:00 tps rtps wtps bread/s bwrtn/s 21:12:01 85.20 0.33 84.87 31.60 48201.54 21:13:01 145.08 40.64 104.43 2486.92 15857.62 21:14:01 19.53 2.55 16.98 77.04 2947.28 21:15:01 1.82 0.00 1.82 0.00 38.13 21:16:01 18.33 2.80 15.53 211.03 4806.80 21:17:01 21.18 1.53 19.65 111.05 3276.65 Average: 48.62 7.95 40.67 485.00 12619.89 21:11:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:12:01 14008204 15561908 2416764 14.71 61288 1695040 810828 4.64 660228 1547784 159684 21:13:01 12864332 14700960 3560636 21.68 74680 1951824 1510152 8.64 1591540 1732888 20648 21:14:01 12434976 14337072 3989992 24.29 76312 2013468 1937564 11.09 1975640 1772352 460 21:15:01 12417232 14319408 4007736 24.40 76364 2013516 1937564 11.09 1993600 1772392 100 21:16:01 12640692 14744280 3784276 23.04 78904 2207348 1613620 9.23 1621048 1913292 54168 21:17:01 13375628 15504436 3049340 18.57 81840 2229040 802000 4.59 892064 1907592 26192 Average: 12956844 14861344 3468124 21.11 74898 2018373 1435288 8.21 1455687 1774383 43542 21:11:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:12:01 ens3 46.27 32.90 781.89 5.51 0.00 0.00 0.00 0.00 21:12:01 lo 0.72 0.72 0.09 0.09 0.00 0.00 0.00 0.00 21:13:01 ens3 411.00 292.33 1725.17 83.25 0.00 0.00 0.00 0.00 21:13:01 lo 0.80 0.80 0.07 0.07 0.00 0.00 0.00 0.00 21:14:01 ens3 279.29 226.16 912.16 79.66 0.00 0.00 0.00 0.00 21:14:01 lo 1.67 1.67 0.08 0.08 0.00 0.00 0.00 0.00 21:15:01 ens3 95.98 63.44 23.65 19.81 0.00 0.00 0.00 0.00 21:15:01 lo 5.13 5.13 0.25 0.25 0.00 0.00 0.00 0.00 21:16:01 ens3 612.53 448.63 2933.86 130.26 0.00 0.00 0.00 0.00 21:16:01 lo 16.66 16.66 2.58 2.58 0.00 0.00 0.00 0.00 21:17:01 ens3 380.89 272.77 310.17 137.33 0.00 0.00 0.00 0.00 21:17:01 lo 0.67 0.67 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 303.61 222.18 1113.56 75.77 0.00 0.00 0.00 0.00 Average: lo 4.27 4.27 0.52 0.52 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-11992) 11/11/25 _x86_64_ (4 CPU) 21:10:27 LINUX RESTART (4 CPU) 21:11:00 CPU %user %nice %system %iowait %steal %idle 21:12:01 all 9.33 0.00 0.71 3.84 0.04 86.09 21:12:01 0 13.24 0.00 1.00 0.72 0.05 84.99 21:12:01 1 4.64 0.00 0.36 0.03 0.02 94.95 21:12:01 2 15.79 0.00 0.97 2.75 0.05 80.44 21:12:01 3 3.67 0.00 0.51 11.90 0.03 83.89 21:13:01 all 48.32 0.00 1.87 1.23 0.08 48.50 21:13:01 0 52.40 0.00 1.90 1.50 0.10 44.10 21:13:01 1 41.43 0.00 1.89 0.57 0.08 56.02 21:13:01 2 49.51 0.00 2.72 1.76 0.08 45.92 21:13:01 3 49.92 0.00 0.99 1.07 0.07 47.96 21:14:01 all 27.41 0.00 0.95 0.08 0.05 71.52 21:14:01 0 26.07 0.00 0.75 0.13 0.03 73.01 21:14:01 1 28.01 0.00 0.60 0.07 0.05 71.27 21:14:01 2 26.94 0.00 1.29 0.07 0.05 71.66 21:14:01 3 28.61 0.00 1.14 0.00 0.07 70.18 21:15:01 all 1.35 0.00 0.16 0.01 0.03 98.45 21:15:01 0 1.15 0.00 0.23 0.05 0.03 98.53 21:15:01 1 0.70 0.00 0.20 0.00 0.02 99.08 21:15:01 2 1.02 0.00 0.13 0.02 0.03 98.80 21:15:01 3 2.50 0.00 0.07 0.00 0.03 97.40 21:16:01 all 38.66 0.00 1.42 0.10 0.07 59.74 21:16:01 0 36.26 0.00 1.92 0.25 0.08 61.48 21:16:01 1 39.72 0.00 1.22 0.03 0.07 58.96 21:16:01 2 38.07 0.00 1.12 0.05 0.07 60.69 21:16:01 3 40.59 0.00 1.44 0.08 0.07 57.82 21:17:01 all 25.54 0.00 1.17 0.25 0.05 72.99 21:17:01 0 18.62 0.00 1.71 0.85 0.05 78.77 21:17:01 1 20.17 0.00 0.78 0.02 0.03 79.00 21:17:01 2 41.34 0.00 1.37 0.13 0.05 57.11 21:17:01 3 22.04 0.00 0.80 0.02 0.05 77.09 Average: all 25.03 0.00 1.04 0.92 0.05 72.95 Average: 0 24.59 0.00 1.25 0.59 0.06 73.52 Average: 1 22.38 0.00 0.84 0.12 0.04 76.62 Average: 2 28.73 0.00 1.26 0.80 0.06 69.15 Average: 3 24.44 0.00 0.82 2.20 0.05 72.49