---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7376 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 5136 0 2371 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:fd:75:e2 brd ff:ff:ff:ff:ff:ff inet 10.32.7.74/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85973sec preferred_lft 85973sec inet6 fe80::f816:3eff:fefd:75e2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7376) 10/25/25 _x86_64_ (4 CPU) 15:08:04 LINUX RESTART (4 CPU) 15:09:01 tps rtps wtps bread/s bwrtn/s 15:10:01 57.61 0.32 57.29 28.40 9279.65 15:11:01 65.52 29.78 35.73 1639.33 7617.07 15:12:01 7.28 0.00 7.28 0.00 279.77 15:13:01 8.48 0.00 8.48 0.00 381.40 15:14:01 54.61 2.42 52.19 146.11 12231.16 15:15:01 19.58 0.43 19.14 46.92 1390.34 Average: 35.51 5.49 30.02 310.07 5196.26 15:09:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:01 5774664 7385680 2392756 29.30 53536 1725668 724924 7.87 625576 1579092 110088 15:11:01 5549500 7311440 2617920 32.05 58252 1866448 784376 8.51 706376 1712200 820 15:12:01 5531576 7299396 2635844 32.27 59868 1869984 801544 8.70 719768 1715044 1576 15:13:01 5413636 7261164 2753784 33.72 61324 1946412 837128 9.08 758164 1789776 74072 15:14:01 5325300 7459708 2842120 34.80 66304 2221712 617740 6.70 597080 2027960 25968 15:15:01 5210540 7348604 2956880 36.20 68420 2223464 735912 7.99 714392 2024728 12516 Average: 5467536 7344332 2699884 33.06 61284 1975615 750271 8.14 686893 1808133 37507 15:09:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 15:10:01 ens3 55.07 42.04 701.83 5.59 0.00 0.00 0.00 0.00 15:11:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 15:11:01 ens3 108.13 92.70 1143.43 19.79 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 47.33 66.33 50.77 10.78 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 325.20 233.99 1292.27 25.47 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 363.56 343.96 2829.55 50.35 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 12.75 13.00 15.74 6.11 0.00 0.00 0.00 0.00 Average: lo 0.59 0.59 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 152.00 132.00 1005.54 19.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7376) 10/25/25 _x86_64_ (4 CPU) 15:08:04 LINUX RESTART (4 CPU) 15:09:01 CPU %user %nice %system %iowait %steal %idle 15:10:01 all 19.17 0.00 1.13 2.65 1.54 75.51 15:10:01 0 15.52 0.00 1.43 5.08 1.43 76.54 15:10:01 1 2.99 0.00 0.23 0.00 0.65 96.13 15:10:01 2 29.31 0.00 1.56 5.05 2.44 61.64 15:10:01 3 28.85 0.00 1.33 0.45 1.63 67.74 15:11:01 all 14.61 0.00 1.04 1.76 3.25 79.34 15:11:01 0 11.30 0.00 0.85 1.82 3.13 82.89 15:11:01 1 10.93 0.00 1.02 1.07 3.51 83.48 15:11:01 2 15.94 0.00 1.10 2.91 3.79 76.26 15:11:01 3 20.36 0.00 1.16 1.26 2.57 74.66 15:12:01 all 4.96 0.00 0.37 0.03 1.72 92.92 15:12:01 0 6.07 0.00 0.79 0.00 2.08 91.07 15:12:01 1 6.57 0.00 0.18 0.00 2.55 90.69 15:12:01 2 2.88 0.00 0.35 0.13 1.36 95.28 15:12:01 3 4.27 0.00 0.17 0.00 0.86 94.70 15:13:01 all 5.16 0.00 0.50 0.05 1.77 92.51 15:13:01 0 8.49 0.00 0.99 0.00 2.47 88.06 15:13:01 1 3.80 0.00 0.50 0.02 2.08 93.61 15:13:01 2 3.00 0.00 0.13 0.18 1.19 95.50 15:13:01 3 5.39 0.00 0.40 0.00 1.34 92.87 15:14:01 all 19.75 0.00 1.39 1.08 2.93 74.85 15:14:01 0 16.17 0.00 1.94 0.98 2.96 77.95 15:14:01 1 35.86 0.00 1.81 1.84 3.97 56.51 15:14:01 2 16.07 0.00 1.04 1.47 2.88 78.53 15:14:01 3 10.79 0.00 0.73 0.03 1.91 86.54 15:15:01 all 19.22 0.00 0.83 1.16 1.66 77.13 15:15:01 0 13.67 0.00 0.63 0.23 1.13 84.34 15:15:01 1 8.04 0.00 0.58 4.02 1.98 85.38 15:15:01 2 38.83 0.00 0.99 0.30 2.58 57.30 15:15:01 3 16.35 0.00 1.13 0.03 0.92 81.57 Average: all 13.81 0.00 0.88 1.12 2.15 82.05 Average: 0 11.86 0.00 1.10 1.35 2.20 83.49 Average: 1 11.38 0.00 0.72 1.16 2.46 84.28 Average: 2 17.67 0.00 0.86 1.68 2.38 77.41 Average: 3 14.33 0.00 0.82 0.30 1.54 83.02