---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-6210 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 7.8G 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 467 5135 0 2373 7225 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:6c:3c:65 brd ff:ff:ff:ff:ff:ff inet 10.32.6.52/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85965sec preferred_lft 85965sec inet6 fe80::f816:3eff:fe6c:3c65/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-6210) 10/11/25 _x86_64_ (4 CPU) 15:08:03 LINUX RESTART (4 CPU) 15:09:02 tps rtps wtps bread/s bwrtn/s 15:10:01 60.57 0.32 60.24 28.88 9594.85 15:11:01 67.54 31.06 36.49 1665.31 7482.84 15:12:01 7.10 0.00 7.10 0.00 278.71 15:13:01 8.26 0.00 8.26 0.00 318.64 15:14:01 49.47 2.17 47.30 115.29 8997.53 15:15:01 23.01 0.67 22.34 76.37 4632.46 Average: 35.92 5.72 30.20 315.10 5205.06 15:09:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:01 5783024 7395140 2384396 29.19 53452 1726844 717060 7.78 617340 1580080 108776 15:11:01 5536704 7298856 2630716 32.21 58216 1866184 795616 8.63 720068 1711644 1144 15:12:01 5521720 7289576 2645700 32.39 59788 1869624 795616 8.63 731284 1714380 1780 15:13:01 5432052 7205528 2735368 33.49 61236 1872980 882740 9.58 815992 1717064 1820 15:14:01 5235076 7366800 2932344 35.90 66004 2219428 719916 7.81 691020 2026080 109844 15:15:01 5252516 7389408 2914904 35.69 68200 2221956 697920 7.57 673656 2023912 8796 Average: 5460182 7324218 2707238 33.15 61149 1962836 768145 8.33 708227 1795527 38693 15:09:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:10:01 ens3 54.91 40.04 714.43 5.44 0.00 0.00 0.00 0.00 15:11:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 15:11:01 ens3 110.15 93.49 1147.39 24.74 0.00 0.00 0.00 0.00 15:12:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:12:01 ens3 46.03 64.71 48.73 10.54 0.00 0.00 0.00 0.00 15:13:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 15:13:01 ens3 71.76 104.15 63.95 16.17 0.00 0.00 0.00 0.00 15:14:01 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 15:14:01 ens3 572.31 479.56 4060.11 61.93 0.00 0.00 0.00 0.00 15:15:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 15:15:01 ens3 11.35 11.78 8.88 5.70 0.00 0.00 0.00 0.00 Average: lo 0.60 0.60 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 144.67 132.55 1008.05 20.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-6210) 10/11/25 _x86_64_ (4 CPU) 15:08:03 LINUX RESTART (4 CPU) 15:09:02 CPU %user %nice %system %iowait %steal %idle 15:10:01 all 19.48 0.00 1.18 2.42 1.46 75.46 15:10:01 0 3.09 0.00 0.69 4.33 1.28 90.62 15:10:01 1 16.79 0.00 1.34 0.22 1.03 80.62 15:10:01 2 16.08 0.00 0.94 0.15 1.37 81.45 15:10:01 3 42.13 0.00 1.76 4.92 2.20 48.98 15:11:01 all 15.49 0.00 1.17 1.82 3.25 78.27 15:11:01 0 10.78 0.00 0.73 0.63 2.35 85.51 15:11:01 1 12.96 0.00 0.89 0.99 2.89 82.26 15:11:01 2 18.17 0.00 1.20 2.74 4.71 73.17 15:11:01 3 20.02 0.00 1.84 2.94 3.04 72.17 15:12:01 all 5.08 0.00 0.39 0.05 1.64 92.86 15:12:01 0 6.42 0.00 0.43 0.00 1.78 91.37 15:12:01 1 3.45 0.00 0.15 0.17 0.48 95.76 15:12:01 2 7.97 0.00 0.74 0.00 3.10 88.19 15:12:01 3 2.44 0.00 0.20 0.00 1.16 96.19 15:13:01 all 5.45 0.00 0.61 0.05 1.93 91.97 15:13:01 0 5.42 0.00 0.82 0.15 2.00 91.62 15:13:01 1 6.00 0.00 0.70 0.02 1.40 91.89 15:13:01 2 5.60 0.00 0.45 0.00 3.07 90.88 15:13:01 3 4.78 0.00 0.48 0.03 1.24 93.47 15:14:01 all 18.32 0.00 1.67 0.95 3.16 75.90 15:14:01 0 18.96 0.00 1.26 1.78 2.14 75.86 15:14:01 1 18.97 0.00 1.49 0.33 3.08 76.13 15:14:01 2 20.19 0.00 1.90 0.35 4.13 73.44 15:14:01 3 15.16 0.00 2.04 1.34 3.29 78.18 15:15:01 all 20.27 0.00 1.07 1.02 1.51 76.13 15:15:01 0 5.72 0.00 0.75 0.52 0.68 92.33 15:15:01 1 43.64 0.00 1.42 0.47 2.25 52.22 15:15:01 2 26.08 0.00 1.39 0.46 2.03 70.03 15:15:01 3 5.63 0.00 0.73 2.62 1.08 89.93 Average: all 14.00 0.00 1.01 1.05 2.16 81.78 Average: 0 8.41 0.00 0.78 1.23 1.71 87.87 Average: 1 16.96 0.00 1.00 0.37 1.86 79.82 Average: 2 15.67 0.00 1.10 0.62 3.08 79.53 Average: 3 14.94 0.00 1.17 1.96 2.00 79.92