---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-14303 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: 2799.998 BogoMIPS: 5599.99 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 7.9G 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 473 5000 0 2502 7215 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:cc:aa:dc brd ff:ff:ff:ff:ff:ff inet 10.32.7.19/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fecc:aadc/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-14303) 10/03/26 _x86_64_ (4 CPU) 23:17:54 LINUX RESTART (4 CPU) 23:18:01 tps rtps wtps bread/s bwrtn/s 23:19:01 154.39 55.57 98.82 3628.46 42717.30 23:20:01 103.42 36.91 66.51 2256.29 14217.76 23:21:01 22.06 10.56 11.50 782.14 7216.80 Average: 93.29 34.35 58.94 2222.30 21383.95 23:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:19:01 5921860 7476604 2245552 27.49 49356 1676056 637576 6.92 509684 1554536 188344 23:20:01 5358948 7294676 2808464 34.39 61744 2031716 779412 8.46 735156 1865108 108448 23:21:01 4615164 6852860 3552248 43.49 67176 2319268 1134804 12.31 1258840 2065172 175764 Average: 5298657 7208047 2868755 35.12 59425 2009013 850597 9.23 834560 1828272 157519 23:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:19:01 ens3 376.89 236.09 1604.39 66.14 0.00 0.00 0.00 0.00 23:19:01 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 23:20:01 ens3 137.58 136.46 2406.85 24.11 0.00 0.00 0.00 0.00 23:20:01 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 23:21:01 ens3 143.56 143.88 2468.91 23.08 0.00 0.00 0.00 0.00 23:21:01 lo 120.63 120.63 36.54 36.54 0.00 0.00 0.00 0.00 Average: ens3 219.34 172.14 2160.05 37.78 0.00 0.00 0.00 0.00 Average: lo 41.01 41.01 12.26 12.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-14303) 10/03/26 _x86_64_ (4 CPU) 23:17:54 LINUX RESTART (4 CPU) 23:18:01 CPU %user %nice %system %iowait %steal %idle 23:19:01 all 21.01 0.00 1.88 4.99 0.06 72.06 23:19:01 0 18.33 0.00 1.54 2.72 0.03 77.38 23:19:01 1 13.43 0.00 1.68 5.62 0.07 79.21 23:19:01 2 29.55 0.00 2.55 10.52 0.08 57.30 23:19:01 3 22.74 0.00 1.75 1.09 0.07 74.35 23:20:01 all 17.38 0.00 1.03 2.41 0.06 79.13 23:20:01 0 11.66 0.00 0.80 4.41 0.05 83.08 23:20:01 1 9.57 0.00 0.87 1.74 0.03 87.79 23:20:01 2 10.03 0.00 0.95 2.64 0.05 86.33 23:20:01 3 38.18 0.00 1.48 0.87 0.10 59.37 23:21:01 all 41.68 0.00 1.41 0.27 0.11 56.53 23:21:01 0 43.55 0.00 1.17 0.25 0.12 54.92 23:21:01 1 38.52 0.00 1.51 0.28 0.08 59.60 23:21:01 2 43.79 0.00 1.59 0.28 0.10 54.24 23:21:01 3 40.91 0.00 1.34 0.23 0.13 57.38 Average: all 26.70 0.00 1.44 2.55 0.08 69.24 Average: 0 24.53 0.00 1.17 2.46 0.07 71.78 Average: 1 20.54 0.00 1.35 2.54 0.06 75.50 Average: 2 27.77 0.00 1.70 4.48 0.08 65.98 Average: 3 33.94 0.00 1.52 0.73 0.10 63.70