---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1566 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: 2799.998 BogoMIPS: 5599.99 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 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.7G 12G 41% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 784 819 0 2340 2894 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:f1:55:86 brd ff:ff:ff:ff:ff:ff inet 10.32.7.187/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86061sec preferred_lft 86061sec inet6 fe80::f816:3eff:fef1:5586/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1566) 05/24/25 _x86_64_ (4 CPU) 15:07:53 LINUX RESTART (4 CPU) 15:08:01 tps rtps wtps bread/s bwrtn/s 15:09:02 146.16 54.42 91.73 3589.67 26069.39 15:10:01 82.90 30.19 52.71 1656.39 10356.90 15:11:01 10.35 0.00 10.35 0.00 472.45 15:12:01 50.67 4.70 45.98 180.24 9807.43 15:13:01 17.16 0.68 16.48 83.59 6902.98 Average: 61.38 17.96 43.42 1100.14 10723.04 15:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:09:02 1819360 3388464 2219284 54.95 50508 1674072 593252 11.66 511840 1535012 168984 15:10:01 1527772 3259672 2510872 62.17 57684 1822456 737108 14.49 655416 1668436 4464 15:11:01 1502140 3241816 2536504 62.81 59744 1827200 742316 14.59 674748 1672172 1604 15:12:01 1047092 3176476 2991552 74.07 63960 2204200 687192 13.51 805060 1980420 98604 15:13:01 826312 2946876 3212332 79.54 66024 2193980 914660 17.98 1254328 1751780 26872 Average: 1344535 3202661 2694109 66.71 59584 1944382 734906 14.45 780278 1721564 60106 15:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:09:02 ens3 400.73 248.24 1615.42 68.78 0.00 0.00 0.00 0.00 15:09:02 lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 15:10:01 ens3 124.77 121.67 748.08 23.98 0.00 0.00 0.00 0.00 15:10:01 lo 1.36 1.36 0.13 0.13 0.00 0.00 0.00 0.00 15:11:01 ens3 61.39 87.39 67.60 14.04 0.00 0.00 0.00 0.00 15:11:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:12:01 ens3 962.82 792.07 4442.18 135.45 0.00 0.00 0.00 0.00 15:12:01 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 15:13:01 ens3 86.95 57.29 30.01 249.60 0.00 0.00 0.00 0.00 15:13:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 328.00 261.79 1382.75 98.61 0.00 0.00 0.00 0.00 Average: lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1566) 05/24/25 _x86_64_ (4 CPU) 15:07:53 LINUX RESTART (4 CPU) 15:08:01 CPU %user %nice %system %iowait %steal %idle 15:09:02 all 21.32 0.00 1.84 3.86 0.06 72.93 15:09:02 0 14.04 0.00 1.34 0.84 0.07 83.72 15:09:02 1 16.58 0.00 1.39 1.92 0.03 80.08 15:09:02 2 42.34 0.00 2.94 5.89 0.07 48.76 15:09:02 3 12.32 0.00 1.66 6.82 0.05 79.16 15:10:01 all 13.25 0.00 0.75 1.67 0.06 84.28 15:10:01 0 9.18 0.00 0.63 2.60 0.05 87.54 15:10:01 1 10.64 0.00 0.59 0.58 0.05 88.13 15:10:01 2 24.86 0.00 1.29 1.99 0.09 71.77 15:10:01 3 8.30 0.00 0.51 1.50 0.03 89.66 15:11:01 all 4.05 0.00 0.20 0.04 0.03 95.68 15:11:01 0 4.02 0.00 0.08 0.00 0.02 95.88 15:11:01 1 0.53 0.00 0.03 0.05 0.00 99.38 15:11:01 2 9.14 0.00 0.52 0.00 0.07 90.28 15:11:01 3 2.57 0.00 0.13 0.08 0.03 97.18 15:12:01 all 17.59 0.00 1.20 0.46 0.07 80.68 15:12:01 0 18.18 0.00 0.80 0.47 0.05 80.50 15:12:01 1 18.36 0.00 1.20 0.83 0.07 79.54 15:12:01 2 17.16 0.00 1.50 0.48 0.08 80.77 15:12:01 3 16.62 0.00 1.31 0.07 0.08 81.92 15:13:01 all 29.37 0.00 0.78 0.32 0.06 69.48 15:13:01 0 23.73 0.00 0.20 0.02 0.07 75.99 15:13:01 1 37.89 0.00 1.23 1.10 0.05 59.73 15:13:01 2 21.49 0.00 0.97 0.12 0.05 77.37 15:13:01 3 34.38 0.00 0.72 0.05 0.05 64.80 Average: all 17.13 0.00 0.95 1.27 0.05 80.60 Average: 0 13.85 0.00 0.61 0.78 0.05 84.71 Average: 1 16.82 0.00 0.89 0.90 0.04 81.35 Average: 2 22.99 0.00 1.45 1.69 0.07 73.80 Average: 3 14.87 0.00 0.87 1.70 0.05 82.51