---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-10489 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 7.7G 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 451 5178 0 2345 7240 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:f4:b7:56 brd ff:ff:ff:ff:ff:ff inet 10.32.6.209/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86065sec preferred_lft 86065sec inet6 fe80::f816:3eff:fef4:b756/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10489) 11/29/25 _x86_64_ (4 CPU) 05:14:56 LINUX RESTART (4 CPU) 05:15:01 tps rtps wtps bread/s bwrtn/s 05:16:01 163.39 79.52 83.87 4847.86 40562.86 05:17:01 83.09 30.16 52.92 1669.46 8491.65 05:18:01 38.29 7.21 31.07 655.38 7720.63 05:19:01 12.48 4.00 8.48 141.98 3543.81 05:20:01 26.75 0.75 26.00 86.25 7700.45 Average: 64.80 24.33 40.47 1480.16 13603.68 05:15:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:16:01 6003424 7421056 2163996 26.50 36476 1561248 707512 7.68 579764 1421936 85168 05:17:01 5699988 7399092 2467432 30.21 56980 1806224 763492 8.28 618840 1652648 135192 05:18:01 4727524 6626724 3439896 42.12 62748 1994028 1449536 15.73 1419152 1809556 93436 05:19:01 5372168 7471008 2795252 34.22 66300 2184600 622668 6.76 664332 1910856 186460 05:20:01 5283380 7400912 2884040 35.31 68924 2200624 704372 7.64 744924 1919076 19312 Average: 5417297 7263758 2750123 33.67 58286 1949345 849516 9.22 805402 1742814 103914 05:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:16:01 ens3 455.77 247.08 1467.93 67.17 0.00 0.00 0.00 0.00 05:16:01 lo 1.53 1.53 0.14 0.14 0.00 0.00 0.00 0.00 05:17:01 ens3 68.07 43.18 464.57 11.58 0.00 0.00 0.00 0.00 05:17:01 lo 1.27 1.27 0.13 0.13 0.00 0.00 0.00 0.00 05:18:01 ens3 198.82 192.57 2659.22 25.80 0.00 0.00 0.00 0.00 05:18:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 05:19:01 ens3 121.70 114.71 1248.05 17.11 0.00 0.00 0.00 0.00 05:19:01 lo 120.85 120.85 36.44 36.44 0.00 0.00 0.00 0.00 05:20:01 ens3 13.10 12.70 10.43 6.34 0.00 0.00 0.00 0.00 05:20:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 171.49 122.05 1170.09 25.60 0.00 0.00 0.00 0.00 Average: lo 25.00 25.00 7.36 7.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10489) 11/29/25 _x86_64_ (4 CPU) 05:14:56 LINUX RESTART (4 CPU) 05:15:01 CPU %user %nice %system %iowait %steal %idle 05:16:01 all 20.80 0.00 2.82 5.18 1.52 69.67 05:16:01 0 27.66 0.00 5.33 4.44 1.61 60.95 05:16:01 1 12.41 0.00 1.76 5.54 1.45 78.85 05:16:01 2 34.89 0.00 2.49 5.74 1.78 55.10 05:16:01 3 8.22 0.00 1.68 4.99 1.27 83.84 05:17:01 all 22.55 0.00 1.27 1.98 1.17 73.03 05:17:01 0 17.49 0.00 1.05 4.97 0.95 75.54 05:17:01 1 25.30 0.00 1.59 1.19 1.12 70.81 05:17:01 2 28.41 0.00 1.16 1.30 1.44 67.69 05:17:01 3 18.98 0.00 1.33 0.50 1.13 78.05 05:18:01 all 30.31 0.00 1.31 0.67 2.11 65.60 05:18:01 0 28.88 0.00 0.97 0.48 1.83 67.84 05:18:01 1 26.13 0.00 1.25 0.43 1.92 70.27 05:18:01 2 36.89 0.00 1.07 0.12 2.26 59.67 05:18:01 3 29.33 0.00 1.93 1.66 2.45 64.63 05:19:01 all 42.13 0.00 1.44 0.16 3.26 53.01 05:19:01 0 44.77 0.00 1.15 0.08 3.14 50.86 05:19:01 1 46.70 0.00 1.20 0.17 3.44 48.50 05:19:01 2 35.92 0.00 1.54 0.00 3.00 59.54 05:19:01 3 41.17 0.00 1.87 0.38 3.45 53.13 05:20:01 all 20.98 0.00 0.94 0.69 0.83 76.57 05:20:01 0 39.09 0.00 1.15 0.82 1.20 57.74 05:20:01 1 3.83 0.00 0.60 1.80 0.30 93.47 05:20:01 2 15.74 0.00 1.28 0.03 1.01 81.93 05:20:01 3 25.28 0.00 0.72 0.10 0.78 73.12 Average: all 27.37 0.00 1.56 1.74 1.78 67.57 Average: 0 31.58 0.00 1.93 2.16 1.75 62.58 Average: 1 22.88 0.00 1.28 1.83 1.65 72.37 Average: 2 30.37 0.00 1.51 1.44 1.90 64.78 Average: 3 24.62 0.00 1.51 1.52 1.82 70.53