---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1258 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 473 5300 0 2202 7222 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:d1:2a:79 brd ff:ff:ff:ff:ff:ff inet 10.32.7.134/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86131sec preferred_lft 86131sec inet6 fe80::f816:3eff:fed1:2a79/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1258) 12/20/25 _x86_64_ (4 CPU) 12:27:55 LINUX RESTART (4 CPU) 12:28:01 tps rtps wtps bread/s bwrtn/s 12:29:01 148.58 65.00 83.59 4251.12 40592.22 12:30:01 64.91 9.75 55.16 228.50 9301.78 12:31:01 93.25 28.58 64.67 1920.00 10604.13 12:32:01 24.24 0.68 23.56 77.71 3875.37 Average: 82.75 26.00 56.74 1619.36 16094.12 12:28:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:29:01 5986388 7407060 2181032 26.70 36636 1563924 712044 7.73 593988 1424548 85824 12:30:01 5816684 7475456 2350736 28.78 56712 1766068 615860 6.68 535568 1620524 135008 12:31:01 5455292 7409768 2712128 33.21 64060 2047924 665616 7.22 694488 1809936 82496 12:32:01 5457476 7422576 2709944 33.18 66392 2055960 656500 7.12 688436 1812572 10376 Average: 5678960 7428715 2488460 30.47 55950 1858469 662505 7.19 628120 1666895 78426 12:28:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:29:01 ens3 440.57 266.79 1429.78 68.06 0.00 0.00 0.00 0.00 12:29:01 lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 12:30:01 ens3 76.25 43.16 460.52 11.35 0.00 0.00 0.00 0.00 12:30:01 lo 0.47 0.47 0.05 0.05 0.00 0.00 0.00 0.00 12:31:01 ens3 361.38 373.48 2592.81 63.93 0.00 0.00 0.00 0.00 12:31:01 lo 1.37 1.37 0.13 0.13 0.00 0.00 0.00 0.00 12:32:01 ens3 11.46 11.66 8.87 5.64 0.00 0.00 0.00 0.00 12:32:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 222.41 173.76 1122.90 37.24 0.00 0.00 0.00 0.00 Average: lo 0.91 0.91 0.09 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1258) 12/20/25 _x86_64_ (4 CPU) 12:27:55 LINUX RESTART (4 CPU) 12:28:01 CPU %user %nice %system %iowait %steal %idle 12:29:01 all 20.59 0.00 2.55 5.34 2.26 69.27 12:29:01 0 9.71 0.00 1.49 1.67 1.80 85.33 12:29:01 1 38.05 0.00 5.26 9.31 2.72 44.67 12:29:01 2 28.21 0.00 2.08 5.48 2.71 61.52 12:29:01 3 6.39 0.00 1.40 4.93 1.79 85.48 12:30:01 all 21.05 0.00 1.37 2.06 1.77 73.75 12:30:01 0 5.12 0.00 0.38 0.05 1.01 93.44 12:30:01 1 11.61 0.00 1.03 6.53 1.25 79.59 12:30:01 2 51.48 0.00 2.77 0.56 2.64 42.55 12:30:01 3 16.01 0.00 1.27 1.12 2.16 79.43 12:31:01 all 35.82 0.00 2.02 1.46 5.40 55.30 12:31:01 0 33.73 0.00 2.03 1.61 5.57 57.06 12:31:01 1 30.10 0.00 2.10 0.94 4.83 62.03 12:31:01 2 36.78 0.00 2.30 1.23 5.78 53.91 12:31:01 3 42.67 0.00 1.69 2.04 5.42 48.19 12:32:01 all 20.49 0.00 0.86 1.01 1.09 76.56 12:32:01 0 50.82 0.00 1.50 0.28 2.11 45.29 12:32:01 1 3.89 0.00 0.33 0.02 0.40 95.36 12:32:01 2 9.95 0.00 0.78 0.78 0.75 87.74 12:32:01 3 17.35 0.00 0.81 2.95 1.11 77.77 Average: all 24.52 0.00 1.70 2.47 2.64 68.68 Average: 0 24.83 0.00 1.35 0.91 2.63 70.27 Average: 1 20.95 0.00 2.18 4.19 2.31 70.37 Average: 2 31.63 0.00 1.98 2.01 2.98 61.40 Average: 3 20.66 0.00 1.29 2.76 2.63 72.66