---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8758 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 7.6G 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 455 5367 0 2153 7242 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:a3:2a:3a brd ff:ff:ff:ff:ff:ff inet 10.32.7.141/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86118sec preferred_lft 86118sec inet6 fe80::f816:3eff:fea3:2a3a/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-8758) 11/11/25 _x86_64_ (4 CPU) 07:04:55 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 149.88 67.01 82.87 4295.68 40136.26 07:07:01 72.65 17.47 55.18 1252.13 9264.06 07:08:01 79.12 20.51 58.61 934.76 8028.26 07:09:01 22.66 1.32 21.35 65.72 4729.48 Average: 81.11 26.61 54.50 1638.65 15565.45 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 6023624 7418984 2143796 26.25 36516 1539108 705492 7.66 582380 1399236 70596 07:07:01 5800612 7492260 2366808 28.98 57096 1798280 611944 6.64 522468 1649764 134580 07:08:01 5442672 7356496 2724748 33.36 63136 2009496 741424 8.04 774860 1744308 126752 07:09:01 5523476 7440544 2643944 32.37 64844 2011152 655816 7.12 700136 1739404 8892 Average: 5697596 7427071 2469824 30.24 55398 1839509 678669 7.36 644961 1633178 85205 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 ens3 337.89 204.42 1238.20 63.24 0.00 0.00 0.00 0.00 07:06:02 lo 1.33 1.33 0.12 0.12 0.00 0.00 0.00 0.00 07:07:01 ens3 76.43 48.14 710.06 14.20 0.00 0.00 0.00 0.00 07:07:01 lo 1.19 1.19 0.12 0.12 0.00 0.00 0.00 0.00 07:08:01 ens3 274.33 277.42 1268.13 60.12 0.00 0.00 0.00 0.00 07:08:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:09:01 ens3 51.82 60.49 28.37 598.64 0.00 0.00 0.00 0.00 07:09:01 lo 1.47 1.47 0.13 0.13 0.00 0.00 0.00 0.00 Average: ens3 185.58 148.04 811.63 184.75 0.00 0.00 0.00 0.00 Average: lo 1.18 1.18 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8758) 11/11/25 _x86_64_ (4 CPU) 07:04:55 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 21.79 0.00 2.91 4.72 1.73 68.85 07:06:02 0 15.73 0.00 3.84 4.84 1.83 73.77 07:06:02 1 26.61 0.00 2.75 8.59 1.92 60.13 07:06:02 2 23.03 0.00 2.76 1.04 1.52 71.66 07:06:02 3 21.75 0.00 2.34 4.41 1.65 69.85 07:07:01 all 20.57 0.00 1.36 2.16 1.48 74.42 07:07:01 0 3.11 0.00 0.58 5.63 0.83 89.85 07:07:01 1 22.96 0.00 1.63 1.48 1.80 72.13 07:07:01 2 34.09 0.00 1.68 0.91 2.31 61.01 07:07:01 3 22.00 0.00 1.54 0.63 1.00 74.84 07:08:01 all 38.28 0.00 1.93 1.30 3.73 54.76 07:08:01 0 28.04 0.00 1.69 1.37 3.28 65.62 07:08:01 1 30.91 0.00 1.78 2.22 3.89 61.20 07:08:01 2 57.30 0.00 2.69 1.09 4.35 34.57 07:08:01 3 36.85 0.00 1.57 0.51 3.39 57.68 07:09:01 all 20.82 0.00 0.95 0.67 1.03 76.53 07:09:01 0 5.41 0.00 0.68 1.82 0.68 91.41 07:09:01 1 43.06 0.00 1.14 0.73 1.77 53.30 07:09:01 2 16.85 0.00 1.18 0.07 0.82 81.08 07:09:01 3 17.95 0.00 0.80 0.08 0.83 80.33 Average: all 25.40 0.00 1.79 2.21 2.00 68.60 Average: 0 13.13 0.00 1.70 3.40 1.66 80.11 Average: 1 30.92 0.00 1.83 3.26 2.35 61.65 Average: 2 32.87 0.00 2.08 0.77 2.25 62.03 Average: 3 24.67 0.00 1.56 1.41 1.72 70.64