---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-12131 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 676K 1.6G 1% /run /dev/vda1 78G 11G 68G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 561 11199 0 4279 15149 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:00:91:8b brd ff:ff:ff:ff:ff:ff inet 10.30.106.69/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85990sec preferred_lft 85990sec inet6 fe80::f816:3eff:fe00:918b/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-12131) 11/12/25 _x86_64_ (4 CPU) 13:02:46 LINUX RESTART (4 CPU) 13:03:01 tps rtps wtps bread/s bwrtn/s 13:04:01 340.71 33.43 307.28 1231.13 10878.05 13:05:01 180.87 44.59 136.28 2435.59 22815.53 13:06:01 20.91 4.10 16.81 191.70 1863.02 13:07:01 24.55 0.13 24.41 2.13 5162.34 13:08:01 33.42 0.10 33.32 1.47 8531.02 13:09:01 52.49 2.78 49.71 233.56 59125.21 Average: 108.82 14.19 94.63 682.58 18062.27 13:03:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:04:01 13893552 15538792 2531416 15.41 68792 1772132 797444 4.56 681136 1626668 232228 13:05:01 12048440 14192776 4376528 26.65 80940 2245252 2025504 11.59 2134872 1987728 11280 13:06:01 10840184 13046356 5584784 34.00 84248 2301252 3186872 18.24 3311240 2011924 17072 13:07:01 11385464 13719228 5039504 30.68 87912 2421012 2396996 13.72 2651988 2118596 6024 13:08:01 11122792 14104508 5302176 32.28 92644 3046944 2056308 11.77 2279656 2730864 399304 13:09:01 11408944 15450832 5016024 30.54 95976 4073236 862508 4.94 1262868 3434444 31480 Average: 11783229 14342082 4641739 28.26 85085 2643305 1887605 10.80 2053627 2318371 116231 13:03:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:04:01 lo 1.33 1.33 0.16 0.16 0.00 0.00 0.00 0.00 13:04:01 ens3 392.00 254.16 1905.13 75.49 0.00 0.00 0.00 0.00 13:05:01 lo 0.40 0.40 0.04 0.04 0.00 0.00 0.00 0.00 13:05:01 ens3 754.37 542.49 6362.87 105.05 0.00 0.00 0.00 0.00 13:06:01 lo 5.68 5.68 25.75 25.75 0.00 0.00 0.00 0.00 13:06:01 ens3 3266.54 2006.57 1187.87 660.67 0.00 0.00 0.00 0.00 13:07:01 lo 1.27 1.27 0.20 0.20 0.00 0.00 0.00 0.00 13:07:01 ens3 326.08 200.48 924.51 56.11 0.00 0.00 0.00 0.00 13:08:01 lo 1.12 1.12 0.11 0.11 0.00 0.00 0.00 0.00 13:08:01 ens3 259.56 173.21 3733.99 25.94 0.00 0.00 0.00 0.00 13:09:01 lo 0.67 0.67 0.08 0.08 0.00 0.00 0.00 0.00 13:09:01 ens3 848.18 576.14 2900.39 176.77 0.00 0.00 0.00 0.00 Average: lo 1.74 1.74 4.39 4.39 0.00 0.00 0.00 0.00 Average: ens3 974.44 625.50 2835.82 183.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-12131) 11/12/25 _x86_64_ (4 CPU) 13:02:46 LINUX RESTART (4 CPU) 13:03:01 CPU %user %nice %system %iowait %steal %idle 13:04:01 all 23.01 0.00 2.04 2.64 0.06 72.25 13:04:01 0 23.83 0.00 1.77 5.30 0.05 69.04 13:04:01 1 12.11 0.00 1.27 1.07 0.03 85.53 13:04:01 2 34.09 0.00 3.06 3.50 0.08 59.26 13:04:01 3 22.07 0.00 2.09 0.72 0.05 75.08 13:05:01 all 53.52 0.00 2.56 0.82 0.09 43.00 13:05:01 0 58.92 0.00 1.85 0.28 0.08 38.85 13:05:01 1 53.49 0.00 3.22 1.09 0.12 42.08 13:05:01 2 42.43 0.00 2.48 1.19 0.10 53.81 13:05:01 3 59.23 0.00 2.67 0.73 0.08 37.28 13:06:01 all 46.46 0.00 5.92 0.07 0.08 47.47 13:06:01 0 47.35 0.00 6.64 0.05 0.08 45.87 13:06:01 1 47.08 0.00 6.73 0.02 0.07 46.10 13:06:01 2 43.49 0.00 4.28 0.17 0.07 51.99 13:06:01 3 47.95 0.00 6.03 0.03 0.07 45.92 13:07:01 all 25.79 0.00 0.87 0.03 0.06 73.25 13:07:01 0 25.30 0.00 0.77 0.00 0.07 73.86 13:07:01 1 21.74 0.00 0.68 0.00 0.07 77.51 13:07:01 2 26.51 0.00 0.85 0.12 0.07 72.45 13:07:01 3 29.62 0.00 1.17 0.02 0.07 69.12 13:08:01 all 13.32 0.00 0.83 0.05 0.05 85.73 13:08:01 0 12.55 0.00 0.87 0.08 0.05 86.45 13:08:01 1 16.03 0.00 0.78 0.02 0.05 83.12 13:08:01 2 10.99 0.00 0.80 0.10 0.05 88.06 13:08:01 3 13.71 0.00 0.87 0.02 0.08 85.32 13:09:01 all 46.04 0.00 2.37 0.73 0.07 50.79 13:09:01 0 51.89 0.00 2.20 0.12 0.07 45.73 13:09:01 1 44.21 0.00 3.57 0.80 0.05 51.36 13:09:01 2 53.06 0.00 2.16 0.33 0.07 44.38 13:09:01 3 34.96 0.00 1.59 1.66 0.07 61.73 Average: all 34.68 0.00 2.43 0.73 0.07 62.10 Average: 0 36.63 0.00 2.35 0.97 0.07 59.99 Average: 1 32.41 0.00 2.71 0.50 0.06 64.32 Average: 2 35.08 0.00 2.27 0.90 0.07 61.68 Average: 3 34.60 0.00 2.40 0.53 0.07 62.40