---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1208 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 458 5185 0 2331 7234 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:83:34:65 brd ff:ff:ff:ff:ff:ff inet 10.32.7.16/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86022sec preferred_lft 86022sec inet6 fe80::f816:3eff:fe83:3465/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1208) 12/20/25 _x86_64_ (4 CPU) 02:56:54 LINUX RESTART (4 CPU) 02:57:01 tps rtps wtps bread/s bwrtn/s 02:58:02 136.24 54.82 81.42 3598.13 40403.75 02:59:01 67.23 12.08 55.14 252.43 9383.09 03:00:01 35.79 0.62 35.17 16.93 7151.35 03:01:01 9.37 0.00 9.37 0.00 344.74 03:02:01 51.04 0.47 50.57 14.93 9033.16 03:03:01 22.96 0.70 22.26 77.85 4591.63 Average: 53.73 11.45 42.29 661.25 11825.40 02:57:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:58:02 5982028 7400024 2185392 26.76 36816 1560984 730332 7.92 599560 1421644 86568 02:59:01 5737312 7392424 2430108 29.75 56964 1762200 838788 9.10 624508 1609548 134776 03:00:01 5522588 7252200 2644832 32.38 59072 1832772 892820 9.69 768552 1676176 1796 03:01:01 5505452 7241988 2661968 32.59 60908 1836928 900800 9.77 780620 1679572 1404 03:02:01 5252952 7351816 2914468 35.68 66224 2186208 745088 8.08 688152 2008924 117708 03:03:01 5260564 7356936 2906856 35.59 68240 2181928 726876 7.89 689660 2001056 11236 Average: 5543483 7332565 2623937 32.13 58037 1893503 805784 8.74 691842 1732820 58915 02:57:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:58:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 02:58:02 ens3 322.68 199.42 1391.29 63.84 0.00 0.00 0.00 0.00 02:59:01 lo 1.36 1.36 0.13 0.13 0.00 0.00 0.00 0.00 02:59:01 ens3 71.51 46.16 458.73 12.26 0.00 0.00 0.00 0.00 03:00:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 03:00:01 ens3 98.57 104.20 1158.88 15.38 0.00 0.00 0.00 0.00 03:01:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 03:01:01 ens3 57.01 81.24 63.23 12.79 0.00 0.00 0.00 0.00 03:02:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 03:02:01 ens3 603.27 528.95 4034.35 68.33 0.00 0.00 0.00 0.00 03:03:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 03:03:01 ens3 11.71 12.65 9.26 6.07 0.00 0.00 0.00 0.00 Average: lo 0.65 0.65 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 194.47 162.42 1187.98 29.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1208) 12/20/25 _x86_64_ (4 CPU) 02:56:54 LINUX RESTART (4 CPU) 02:57:01 CPU %user %nice %system %iowait %steal %idle 02:58:02 all 21.75 0.00 2.49 4.44 2.94 68.38 02:58:02 0 8.94 0.00 1.59 1.63 1.96 85.88 02:58:02 1 45.41 0.00 2.82 4.39 3.51 43.87 02:58:02 2 22.84 0.00 3.80 3.55 3.70 66.11 02:58:02 3 9.79 0.00 1.73 8.21 2.56 77.71 02:59:01 all 21.65 0.00 1.50 1.88 2.11 72.86 02:59:01 0 13.86 0.00 1.29 1.46 2.40 81.00 02:59:01 1 57.77 0.00 3.31 0.93 3.39 34.61 02:59:01 2 8.10 0.00 0.81 5.06 1.48 84.55 02:59:01 3 6.88 0.00 0.61 0.05 1.17 91.29 03:00:01 all 11.31 0.00 0.73 0.48 2.50 84.97 03:00:01 0 10.56 0.00 1.24 1.37 2.33 84.50 03:00:01 1 12.41 0.00 0.54 0.03 2.43 84.59 03:00:01 2 13.92 0.00 0.46 0.26 2.86 82.50 03:00:01 3 8.36 0.00 0.68 0.23 2.41 88.32 03:01:01 all 3.70 0.00 0.34 0.03 1.23 94.69 03:01:01 0 0.81 0.00 0.13 0.03 0.35 98.67 03:01:01 1 6.46 0.00 0.71 0.00 1.83 91.00 03:01:01 2 1.84 0.00 0.15 0.12 1.41 96.49 03:01:01 3 5.69 0.00 0.40 0.00 1.31 92.60 03:02:01 all 19.61 0.00 1.91 0.69 3.05 74.74 03:02:01 0 18.78 0.00 1.97 1.27 3.14 74.84 03:02:01 1 32.74 0.00 1.14 0.13 2.80 63.20 03:02:01 2 14.38 0.00 2.49 1.10 3.38 78.65 03:02:01 3 12.60 0.00 2.02 0.26 2.87 82.24 03:03:01 all 20.46 0.00 0.88 0.82 1.42 76.43 03:03:01 0 10.20 0.00 1.03 1.49 0.98 86.30 03:03:01 1 32.76 0.00 1.14 0.28 2.19 63.62 03:03:01 2 17.29 0.00 0.46 1.21 1.31 79.72 03:03:01 3 21.53 0.00 0.90 0.32 1.20 76.06 Average: all 16.40 0.00 1.31 1.39 2.21 78.70 Average: 0 10.54 0.00 1.21 1.21 1.86 85.19 Average: 1 31.14 0.00 1.60 0.96 2.69 63.61 Average: 2 13.08 0.00 1.37 1.87 2.36 81.31 Average: 3 10.82 0.00 1.06 1.51 1.92 84.69