---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2472 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 7.7G 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 464 5219 0 2291 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:11:13:a4 brd ff:ff:ff:ff:ff:ff inet 10.32.7.71/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85949sec preferred_lft 85949sec inet6 fe80::f816:3eff:fe11:13a4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2472) 08/30/25 _x86_64_ (4 CPU) 23:17:59 LINUX RESTART (4 CPU) 23:18:01 tps rtps wtps bread/s bwrtn/s 23:19:02 189.77 106.43 83.34 5379.24 40293.43 23:20:01 56.24 1.20 55.04 48.13 9316.79 23:21:01 64.97 29.66 35.31 1628.80 6784.74 23:22:01 8.45 0.00 8.45 0.00 345.68 23:23:01 39.99 10.45 29.55 719.61 3136.68 23:24:01 30.74 3.87 26.87 113.96 2720.83 23:25:01 26.98 0.68 26.30 77.72 4881.32 Average: 59.60 21.80 37.79 1140.78 9640.53 23:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:19:02 6062716 7453048 2104704 25.77 36256 1534620 656124 7.12 547472 1396220 69040 23:20:01 5791416 7431408 2376004 29.09 55472 1749828 678400 7.36 581356 1601568 125952 23:21:01 5505292 7254560 2662128 32.59 58988 1852748 805288 8.74 766116 1697796 1220 23:22:01 5462744 7219584 2704676 33.12 60868 1857380 849728 9.22 802820 1701080 3088 23:23:01 4393712 6257992 3773708 46.20 62936 1959616 1748524 18.97 1794628 1765284 516 23:24:01 5384596 7428084 2782824 34.07 67020 2130372 656604 7.12 703632 1861748 113156 23:25:01 5368132 7425036 2799288 34.27 69200 2140692 666072 7.23 713680 1866700 12540 Average: 5424087 7209959 2743333 33.59 58677 1889322 865820 9.39 844243 1698628 46502 23:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:19:02 lo 2.13 2.13 0.20 0.20 0.00 0.00 0.00 0.00 23:19:02 ens3 401.00 221.68 1222.05 64.64 0.00 0.00 0.00 0.00 23:20:01 lo 0.34 0.34 0.03 0.03 0.00 0.00 0.00 0.00 23:20:01 ens3 39.48 31.47 542.10 4.20 0.00 0.00 0.00 0.00 23:21:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 23:21:01 ens3 132.41 124.08 957.55 25.40 0.00 0.00 0.00 0.00 23:22:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 23:22:01 ens3 85.09 125.18 74.86 19.55 0.00 0.00 0.00 0.00 23:23:01 lo 53.29 53.29 19.93 19.93 0.00 0.00 0.00 0.00 23:23:01 ens3 175.39 184.89 1308.38 27.78 0.00 0.00 0.00 0.00 23:24:01 lo 70.78 70.78 16.69 16.69 0.00 0.00 0.00 0.00 23:24:01 ens3 219.93 241.99 1110.79 41.98 0.00 0.00 0.00 0.00 23:25:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 23:25:01 ens3 11.83 12.46 9.14 5.94 0.00 0.00 0.00 0.00 Average: lo 18.47 18.47 5.31 5.31 0.00 0.00 0.00 0.00 Average: ens3 152.43 134.78 746.91 27.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2472) 08/30/25 _x86_64_ (4 CPU) 23:17:59 LINUX RESTART (4 CPU) 23:18:01 CPU %user %nice %system %iowait %steal %idle 23:19:02 all 22.93 0.00 3.01 6.20 1.47 66.39 23:19:02 0 24.64 0.00 4.58 3.51 1.36 65.91 23:19:02 1 23.13 0.00 2.72 10.03 1.55 62.57 23:19:02 2 16.51 0.00 1.68 5.26 1.30 75.25 23:19:02 3 27.43 0.00 3.07 6.02 1.68 61.81 23:20:01 all 20.93 0.00 1.43 1.53 1.19 74.92 23:20:01 0 48.94 0.00 2.84 0.74 1.57 45.90 23:20:01 1 1.94 0.00 0.83 5.09 0.63 91.52 23:20:01 2 16.56 0.00 1.41 0.20 1.45 80.38 23:20:01 3 16.37 0.00 0.69 0.08 1.09 81.77 23:21:01 all 16.23 0.00 0.83 1.34 1.11 80.49 23:21:01 0 15.06 0.00 0.78 0.67 0.97 82.52 23:21:01 1 10.81 0.00 0.63 2.50 0.95 85.11 23:21:01 2 19.48 0.00 0.52 0.72 1.35 77.93 23:21:01 3 19.55 0.00 1.35 1.50 1.16 76.45 23:22:01 all 5.15 0.00 0.41 0.03 0.29 94.12 23:22:01 0 4.23 0.00 0.30 0.00 0.28 95.19 23:22:01 1 2.58 0.00 0.17 0.05 0.23 96.97 23:22:01 2 7.66 0.00 0.50 0.07 0.25 91.52 23:22:01 3 6.14 0.00 0.70 0.00 0.40 92.75 23:23:01 all 52.53 0.00 1.85 0.75 3.56 41.31 23:23:01 0 51.37 0.00 1.81 1.03 3.88 41.92 23:23:01 1 53.90 0.00 1.77 0.60 3.46 40.28 23:23:01 2 48.37 0.00 1.77 1.04 3.71 45.11 23:23:01 3 56.52 0.00 2.05 0.35 3.19 37.89 23:24:01 all 24.22 0.00 1.59 0.20 1.41 72.58 23:24:01 0 27.85 0.00 1.67 0.10 1.44 68.95 23:24:01 1 23.37 0.00 1.33 0.32 1.25 73.73 23:24:01 2 22.73 0.00 1.88 0.22 1.43 73.73 23:24:01 3 22.94 0.00 1.45 0.17 1.51 73.94 23:25:01 all 20.99 0.00 1.11 0.79 0.81 76.31 23:25:01 0 43.08 0.00 1.35 0.18 1.08 54.31 23:25:01 1 7.03 0.00 0.73 0.18 0.42 91.64 23:25:01 2 27.96 0.00 1.67 2.73 1.05 66.59 23:25:01 3 5.99 0.00 0.70 0.05 0.71 92.55 Average: all 23.31 0.00 1.46 1.55 1.41 72.27 Average: 0 30.71 0.00 1.90 0.89 1.51 64.98 Average: 1 17.60 0.00 1.17 2.67 1.22 77.34 Average: 2 22.79 0.00 1.35 1.46 1.51 72.89 Average: 3 22.14 0.00 1.43 1.16 1.39 73.87