---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1908 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 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 455 5368 0 2151 7241 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:a2:8c:ef brd ff:ff:ff:ff:ff:ff inet 10.32.6.53/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86133sec preferred_lft 86133sec inet6 fe80::f816:3eff:fea2:8cef/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-1908) 12/28/25 _x86_64_ (4 CPU) 12:46:54 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:01 149.19 63.51 85.69 4211.43 40693.63 12:49:01 90.75 30.06 60.69 1701.45 10131.51 12:50:01 66.91 9.18 57.72 520.18 10310.41 12:51:01 24.71 0.35 24.36 33.73 1486.69 Average: 82.89 25.77 57.12 1616.70 15655.56 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:01 5979268 7408708 2188152 26.79 37540 1571608 716836 7.78 595452 1428824 90376 12:49:01 5628264 7336744 2539156 31.09 58496 1813176 802068 8.70 686240 1655404 106544 12:50:01 5520184 7432588 2647236 32.41 63652 2007476 671668 7.29 704092 1737048 26844 12:51:01 5514756 7430520 2652664 32.48 65616 2008672 666836 7.24 710452 1735700 8496 Average: 5660618 7402140 2506802 30.69 56326 1850233 714352 7.75 674059 1639244 58065 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 12:48:01 ens3 442.54 256.21 1476.13 67.49 0.00 0.00 0.00 0.00 12:49:01 lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 12:49:01 ens3 124.05 93.30 480.38 23.00 0.00 0.00 0.00 0.00 12:50:01 lo 1.57 1.57 0.14 0.14 0.00 0.00 0.00 0.00 12:50:01 ens3 256.11 278.05 1218.19 629.09 0.00 0.00 0.00 0.00 12:51:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 12:51:01 ens3 13.23 16.00 9.29 15.04 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 208.98 160.89 796.00 183.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1908) 12/28/25 _x86_64_ (4 CPU) 12:46:54 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:01 all 22.71 0.00 2.68 4.87 1.20 68.55 12:48:01 0 23.69 0.00 4.93 6.58 1.22 63.59 12:48:01 1 7.89 0.00 1.11 1.70 0.92 88.39 12:48:01 2 24.87 0.00 2.36 10.53 1.36 60.88 12:48:01 3 34.40 0.00 2.34 0.67 1.32 61.28 12:49:01 all 26.00 0.00 1.58 1.95 1.23 69.24 12:49:01 0 7.65 0.00 0.58 0.73 0.76 90.28 12:49:01 1 11.62 0.00 0.90 2.05 0.97 84.47 12:49:01 2 15.15 0.00 1.04 4.54 0.90 78.38 12:49:01 3 69.69 0.00 3.76 0.52 2.27 23.76 12:50:01 all 33.59 0.00 1.92 0.86 1.79 61.84 12:50:01 0 46.02 0.00 2.23 0.62 2.01 49.13 12:50:01 1 23.80 0.00 1.75 1.73 1.65 71.07 12:50:01 2 32.25 0.00 2.01 0.93 1.83 62.98 12:50:01 3 32.29 0.00 1.73 0.15 1.68 64.15 12:51:01 all 21.49 0.00 0.93 0.71 0.74 76.13 12:51:01 0 4.48 0.00 0.42 0.02 0.37 94.72 12:51:01 1 6.64 0.00 0.46 2.39 0.48 90.03 12:51:01 2 41.66 0.00 1.61 0.25 1.18 55.29 12:51:01 3 33.33 0.00 1.22 0.18 0.95 64.32 Average: all 25.95 0.00 1.78 2.10 1.24 68.94 Average: 0 20.46 0.00 2.04 1.98 1.09 74.43 Average: 1 12.48 0.00 1.05 1.97 1.00 83.50 Average: 2 28.50 0.00 1.76 4.06 1.32 64.36 Average: 3 42.41 0.00 2.26 0.38 1.55 53.39