---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7661 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 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 5186 0 2311 7213 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:e5:04:b1 brd ff:ff:ff:ff:ff:ff inet 10.32.7.177/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86102sec preferred_lft 86102sec inet6 fe80::f816:3eff:fee5:4b1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7661) 08/06/26 _x86_64_ (4 CPU) 12:46:59 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:02 188.74 106.05 82.69 5374.08 40249.93 12:49:01 55.61 0.19 55.42 22.37 9811.93 12:50:01 108.80 36.99 71.81 2169.68 11488.17 12:51:01 33.99 3.75 30.24 147.04 5701.98 Average: 96.96 36.90 60.06 1936.50 16843.34 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:02 6045388 7435492 2122032 25.98 36252 1534300 681896 7.40 562548 1397668 69396 12:49:01 5666044 7385004 2501376 30.63 56708 1824608 706928 7.67 627920 1673528 174876 12:50:01 5095396 7033788 3072024 37.61 65104 2028328 1124232 12.20 1031048 1824136 6984 12:51:01 5350468 7424400 2816952 34.49 68520 2158432 660720 7.17 718728 1880060 8492 Average: 5539324 7319671 2628096 32.18 56646 1886417 793444 8.61 735061 1693848 64937 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:02 ens3 410.13 207.93 1252.08 62.72 0.00 0.00 0.00 0.00 12:48:02 lo 2.13 2.13 0.19 0.19 0.00 0.00 0.00 0.00 12:49:01 ens3 34.53 28.39 678.47 4.03 0.00 0.00 0.00 0.00 12:49:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 12:50:01 ens3 277.44 306.83 1765.54 68.55 0.00 0.00 0.00 0.00 12:50:01 lo 1.63 1.63 0.16 0.16 0.00 0.00 0.00 0.00 12:51:01 ens3 92.40 102.55 304.27 611.33 0.00 0.00 0.00 0.00 12:51:01 lo 1.33 1.33 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 204.35 162.00 1001.49 187.42 0.00 0.00 0.00 0.00 Average: lo 1.35 1.35 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-7661) 08/06/26 _x86_64_ (4 CPU) 12:46:59 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:02 all 20.43 0.00 2.90 6.42 1.73 68.52 12:48:02 0 17.76 0.00 2.16 5.23 1.43 73.41 12:48:02 1 25.97 0.00 3.91 5.14 1.78 63.20 12:48:02 2 13.08 0.00 2.49 7.85 1.58 75.00 12:48:02 3 24.91 0.00 3.01 7.46 2.11 62.51 12:49:01 all 20.23 0.00 1.18 1.91 0.93 75.74 12:49:01 0 3.73 0.00 0.29 0.05 0.32 95.61 12:49:01 1 28.21 0.00 1.32 0.96 1.13 68.38 12:49:01 2 29.57 0.00 1.80 6.50 1.20 60.92 12:49:01 3 19.37 0.00 1.33 0.14 1.10 78.06 12:50:01 all 37.97 0.00 2.51 2.47 4.05 52.99 12:50:01 0 31.90 0.00 1.54 0.56 3.47 62.52 12:50:01 1 40.93 0.00 2.15 3.59 3.51 49.82 12:50:01 2 39.38 0.00 2.16 1.27 4.34 52.85 12:50:01 3 39.68 0.00 4.20 4.45 4.84 46.84 12:51:01 all 23.73 0.00 1.28 1.00 1.38 72.61 12:51:01 0 14.14 0.00 1.11 0.03 1.06 83.65 12:51:01 1 8.07 0.00 0.65 0.20 0.85 90.23 12:51:01 2 60.68 0.00 2.03 1.96 2.13 33.21 12:51:01 3 11.99 0.00 1.30 1.80 1.51 83.41 Average: all 25.63 0.00 1.97 2.95 2.03 67.41 Average: 0 16.95 0.00 1.28 1.47 1.58 78.71 Average: 1 25.80 0.00 2.01 2.48 1.82 67.88 Average: 2 35.72 0.00 2.12 4.38 2.32 55.46 Average: 3 24.04 0.00 2.47 3.48 2.40 67.61