---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-6253 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 452 5184 0 2338 7239 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:9c:f9:a4 brd ff:ff:ff:ff:ff:ff inet 10.32.6.249/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86040sec preferred_lft 86040sec inet6 fe80::f816:3eff:fe9c:f9a4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-6253) 10/11/25 _x86_64_ (4 CPU) 23:18:03 LINUX RESTART (4 CPU) 23:19:02 tps rtps wtps bread/s bwrtn/s 23:20:01 57.17 0.32 56.85 28.87 9140.09 23:21:01 64.74 30.13 34.61 1645.59 6216.96 23:22:01 20.12 10.16 9.96 774.82 5645.56 23:23:01 19.46 1.53 17.93 102.92 7021.50 Average: 40.30 10.58 29.72 640.60 6996.96 23:19:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:01 5834804 7422056 2332608 28.56 52236 1705112 695324 7.54 588372 1563404 77756 23:21:01 5541404 7315752 2626008 32.15 60360 1875520 791148 8.58 708400 1718912 66924 23:22:01 4614236 6510480 3553176 43.50 62928 1991000 1473396 15.99 1570012 1771700 980 23:23:01 5364676 7464816 2802736 34.32 68080 2184712 635764 6.90 678760 1907264 27516 Average: 5338780 7178276 2828632 34.63 60901 1939086 898908 9.75 886386 1740320 43294 23:19:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:20:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 23:20:01 ens3 55.25 39.55 710.67 5.39 0.00 0.00 0.00 0.00 23:21:01 lo 1.20 1.20 0.11 0.11 0.00 0.00 0.00 0.00 23:21:01 ens3 106.62 80.10 1207.13 14.53 0.00 0.00 0.00 0.00 23:22:01 lo 55.34 55.34 20.80 20.80 0.00 0.00 0.00 0.00 23:22:01 ens3 126.93 110.54 1455.12 14.97 0.00 0.00 0.00 0.00 23:23:01 lo 65.76 65.76 15.66 15.66 0.00 0.00 0.00 0.00 23:23:01 ens3 115.55 103.83 1254.01 24.93 0.00 0.00 0.00 0.00 Average: lo 30.77 30.77 9.19 9.19 0.00 0.00 0.00 0.00 Average: ens3 101.28 83.69 1158.63 15.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-6253) 10/11/25 _x86_64_ (4 CPU) 23:18:03 LINUX RESTART (4 CPU) 23:19:02 CPU %user %nice %system %iowait %steal %idle 23:20:01 all 18.96 0.00 1.37 2.72 1.71 75.23 23:20:01 0 6.33 0.00 0.55 0.96 1.63 90.53 23:20:01 1 25.79 0.00 1.66 0.49 1.42 70.64 23:20:01 2 27.34 0.00 2.22 9.14 2.40 58.90 23:20:01 3 16.41 0.00 1.03 0.30 1.40 80.86 23:21:01 all 15.08 0.00 1.15 1.86 5.07 76.85 23:21:01 0 9.82 0.00 1.10 2.31 6.13 80.65 23:21:01 1 25.88 0.00 1.56 1.12 4.76 66.68 23:21:01 2 11.49 0.00 1.03 2.14 4.43 80.91 23:21:01 3 13.26 0.00 0.92 1.85 4.91 79.06 23:22:01 all 45.58 0.00 1.57 0.59 8.87 43.38 23:22:01 0 46.01 0.00 1.35 0.78 8.68 43.17 23:22:01 1 52.09 0.00 1.40 0.39 8.26 37.86 23:22:01 2 41.61 0.00 1.57 0.86 8.95 47.02 23:22:01 3 42.64 0.00 1.96 0.34 9.61 45.45 23:23:01 all 26.68 0.00 1.53 0.74 4.73 66.32 23:23:01 0 15.90 0.00 1.74 0.84 4.28 77.24 23:23:01 1 25.60 0.00 1.09 0.08 4.55 68.68 23:23:01 2 20.72 0.00 1.47 1.63 5.17 71.01 23:23:01 3 44.63 0.00 1.78 0.39 4.92 48.28 Average: all 26.66 0.00 1.40 1.47 5.13 65.34 Average: 0 19.59 0.00 1.19 1.23 5.21 72.78 Average: 1 32.43 0.00 1.42 0.52 4.78 60.84 Average: 2 25.32 0.00 1.57 3.40 5.27 64.46 Average: 3 29.35 0.00 1.42 0.72 5.25 63.25