---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-9426 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 7.9G 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 461 5016 0 2498 7227 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:bd:a7 brd ff:ff:ff:ff:ff:ff inet 10.32.6.173/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86040sec preferred_lft 86040sec inet6 fe80::f816:3eff:fef1:bda7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-9426) 08/29/26 _x86_64_ (4 CPU) 05:14:50 LINUX RESTART (4 CPU) 05:15:01 tps rtps wtps bread/s bwrtn/s 05:16:02 121.79 54.03 67.76 3548.42 6253.27 05:17:01 66.15 17.29 48.86 1227.93 9785.49 05:18:01 53.04 15.99 37.05 856.51 10698.78 05:19:01 15.66 7.72 7.95 404.07 3445.56 05:20:01 26.29 1.43 24.86 92.37 7229.99 Average: 56.56 19.30 37.26 1225.87 7475.01 05:15:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:16:02 5931584 7400440 2235836 27.38 39356 1607364 712488 7.73 612372 1455984 112992 05:17:01 5671660 7477508 2495760 30.56 58112 1908396 794672 8.62 552428 1740348 203536 05:18:01 5190208 7223072 2977212 36.45 63644 2123524 842576 9.14 826168 1934456 92592 05:19:01 4154192 6208112 4013228 49.14 64476 2142376 1760836 19.11 1866864 1921596 692 05:20:01 5124076 7386492 3043344 37.26 69600 2341332 704800 7.65 756028 2059044 27092 Average: 5214344 7139125 2953076 36.16 59038 2024598 963074 10.45 922772 1822286 87381 05:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:16:02 ens3 368.28 196.77 1473.07 62.94 0.00 0.00 0.00 0.00 05:16:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 05:17:01 ens3 75.95 67.97 852.75 13.33 0.00 0.00 0.00 0.00 05:17:01 lo 1.56 1.56 0.15 0.15 0.00 0.00 0.00 0.00 05:18:01 ens3 164.28 161.79 3047.19 23.48 0.00 0.00 0.00 0.00 05:18:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 05:19:01 ens3 10.76 10.70 89.54 2.33 0.00 0.00 0.00 0.00 05:19:01 lo 87.29 87.29 32.19 32.19 0.00 0.00 0.00 0.00 05:20:01 ens3 91.57 88.44 1244.78 18.12 0.00 0.00 0.00 0.00 05:20:01 lo 34.37 34.37 4.31 4.31 0.00 0.00 0.00 0.00 Average: ens3 142.40 105.26 1343.23 24.08 0.00 0.00 0.00 0.00 Average: lo 24.92 24.92 7.37 7.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-9426) 08/29/26 _x86_64_ (4 CPU) 05:14:50 LINUX RESTART (4 CPU) 05:15:01 CPU %user %nice %system %iowait %steal %idle 05:16:02 all 21.44 0.00 1.81 4.53 2.27 69.95 05:16:02 0 8.70 0.00 1.21 1.24 1.44 87.42 05:16:02 1 26.21 0.00 1.91 6.33 3.11 62.44 05:16:02 2 34.69 0.00 2.44 2.16 2.62 58.09 05:16:02 3 16.07 0.00 1.70 8.40 1.90 71.92 05:17:01 all 20.13 0.00 1.45 2.21 1.56 74.65 05:17:01 0 28.24 0.00 1.01 0.56 1.67 68.52 05:17:01 1 10.29 0.00 0.97 1.68 1.34 85.72 05:17:01 2 38.33 0.00 3.12 0.74 2.11 55.70 05:17:01 3 3.63 0.00 0.71 5.89 1.11 88.66 05:18:01 all 15.94 0.00 1.08 1.27 1.62 80.08 05:18:01 0 21.51 0.00 1.09 0.25 1.87 75.27 05:18:01 1 12.87 0.00 1.08 1.62 1.47 82.96 05:18:01 2 18.75 0.00 0.85 0.05 1.56 78.80 05:18:01 3 10.69 0.00 1.28 3.17 1.61 83.25 05:19:01 all 52.69 0.00 1.55 0.39 3.47 41.89 05:19:01 0 53.52 0.00 1.51 0.28 3.39 41.30 05:19:01 1 52.33 0.00 1.76 0.68 3.82 41.41 05:19:01 2 53.78 0.00 1.28 0.18 3.26 41.50 05:19:01 3 51.15 0.00 1.66 0.42 3.41 43.37 05:20:01 all 26.96 0.00 1.41 0.65 1.38 69.59 05:20:01 0 13.59 0.00 1.23 1.26 1.13 82.78 05:20:01 1 42.84 0.00 1.35 0.10 1.55 54.16 05:20:01 2 12.37 0.00 1.65 1.17 1.33 83.48 05:20:01 3 39.07 0.00 1.41 0.08 1.50 57.93 Average: all 27.43 0.00 1.46 1.82 2.06 67.23 Average: 0 25.09 0.00 1.21 0.72 1.90 71.08 Average: 1 28.92 0.00 1.41 2.09 2.26 65.32 Average: 2 31.58 0.00 1.86 0.86 2.18 63.52 Average: 3 24.13 0.00 1.36 3.59 1.91 69.02