---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7541 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 479 5396 0 2100 7218 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:1c:e3:67 brd ff:ff:ff:ff:ff:ff inet 10.32.7.240/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86125sec preferred_lft 86125sec inet6 fe80::f816:3eff:fe1c:e367/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7541) 02/25/26 _x86_64_ (4 CPU) 19:12:57 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:01 157.27 76.99 80.29 4790.67 40141.33 19:15:02 58.41 5.55 52.87 175.54 9952.82 19:16:01 73.43 13.29 60.14 523.71 7910.79 19:17:01 23.74 1.28 22.46 70.11 4411.73 Average: 78.23 24.32 53.91 1393.52 15635.64 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:01 6035184 7423816 2132236 26.11 36392 1532832 688060 7.47 576568 1393524 69896 19:15:02 5825496 7488860 2341924 28.67 55500 1772496 604048 6.55 520148 1627472 128644 19:16:01 5506632 7365440 2660788 32.58 62100 1956504 723900 7.85 734132 1722480 101184 19:17:01 5538560 7404112 2628860 32.19 64300 1960868 678364 7.36 702980 1720144 8892 Average: 5726468 7420557 2440952 29.89 54573 1805675 673593 7.31 633457 1615905 77154 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:01 lo 1.53 1.53 0.14 0.14 0.00 0.00 0.00 0.00 19:14:01 ens3 443.86 253.47 1250.15 67.84 0.00 0.00 0.00 0.00 19:15:02 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 19:15:02 ens3 73.13 53.40 701.57 11.81 0.00 0.00 0.00 0.00 19:16:01 lo 1.73 1.73 0.17 0.17 0.00 0.00 0.00 0.00 19:16:01 ens3 269.02 268.84 1267.37 50.32 0.00 0.00 0.00 0.00 19:17:01 lo 1.60 1.60 0.14 0.14 0.00 0.00 0.00 0.00 19:17:01 ens3 60.53 61.30 32.83 534.17 0.00 0.00 0.00 0.00 Average: lo 1.30 1.30 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 211.38 158.78 811.04 166.53 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7541) 02/25/26 _x86_64_ (4 CPU) 19:12:57 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:01 all 20.95 0.00 2.66 4.93 1.37 70.08 19:14:01 0 21.76 0.00 4.87 4.99 1.22 67.17 19:14:01 1 10.24 0.00 1.46 3.45 1.24 83.62 19:14:01 2 38.67 0.00 2.42 3.96 1.85 53.10 19:14:01 3 13.27 0.00 1.88 7.33 1.17 76.35 19:15:02 all 21.31 0.00 1.50 1.73 0.95 74.50 19:15:02 0 11.82 0.00 1.13 0.82 0.72 85.52 19:15:02 1 6.20 0.00 0.58 3.13 0.85 89.24 19:15:02 2 46.42 0.00 2.73 0.28 1.37 49.20 19:15:02 3 20.87 0.00 1.60 2.70 0.87 73.97 19:16:01 all 42.09 0.00 2.10 1.17 2.56 52.07 19:16:01 0 48.23 0.00 2.46 1.90 2.83 44.58 19:16:01 1 42.43 0.00 2.09 1.43 2.41 51.65 19:16:01 2 41.62 0.00 1.89 0.66 2.63 53.19 19:16:01 3 36.09 0.00 1.95 0.68 2.39 58.89 19:17:01 all 21.02 0.00 1.10 0.84 0.82 76.22 19:17:01 0 15.26 0.00 1.48 2.42 0.67 80.18 19:17:01 1 34.22 0.00 1.32 0.42 1.07 62.98 19:17:01 2 29.65 0.00 0.92 0.50 1.15 67.79 19:17:01 3 4.95 0.00 0.68 0.03 0.42 93.92 Average: all 26.27 0.00 1.84 2.17 1.42 68.29 Average: 0 24.15 0.00 2.49 2.53 1.35 69.48 Average: 1 23.16 0.00 1.36 2.11 1.39 71.99 Average: 2 39.08 0.00 1.99 1.35 1.75 55.84 Average: 3 18.72 0.00 1.53 2.69 1.21 75.86