---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2815 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 486 5036 0 2452 7203 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:d9:46:d3 brd ff:ff:ff:ff:ff:ff inet 10.32.6.124/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86070sec preferred_lft 86070sec inet6 fe80::f816:3eff:fed9:46d3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2815) 06/06/26 _x86_64_ (4 CPU) 23:17:58 LINUX RESTART (4 CPU) 23:18:01 tps rtps wtps bread/s bwrtn/s 23:19:01 181.72 95.83 85.89 5162.61 41030.11 23:20:01 67.06 11.68 55.37 244.23 9925.41 23:21:01 63.79 24.36 39.43 2027.40 9157.81 23:22:01 13.70 4.83 8.86 178.34 3466.58 23:23:01 31.49 1.25 30.24 98.78 7992.67 Average: 71.55 27.59 43.96 1542.22 14314.15 23:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:19:01 5972412 7401252 2195008 26.88 36916 1572136 696024 7.55 598204 1435524 87480 23:20:01 5733784 7466260 2433636 29.80 58184 1835820 613948 6.66 543028 1691232 155404 23:21:01 4754132 6755628 3413288 41.79 63972 2091996 1500520 16.28 1302748 1894540 97760 23:22:01 4517540 6635200 3649880 44.69 66932 2201628 1302652 14.13 1484564 1940432 106724 23:23:01 5158176 7373072 3009244 36.84 70136 2293912 700340 7.60 771220 2012580 10520 Average: 5227209 7126282 2940211 36.00 59228 1999098 962697 10.45 939953 1794862 91578 23:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:19:01 lo 2.07 2.07 0.19 0.19 0.00 0.00 0.00 0.00 23:19:01 ens3 444.96 257.84 1541.54 66.85 0.00 0.00 0.00 0.00 23:20:01 lo 0.63 0.63 0.06 0.06 0.00 0.00 0.00 0.00 23:20:01 ens3 62.89 52.52 548.55 12.18 0.00 0.00 0.00 0.00 23:21:01 lo 1.10 1.10 0.10 0.10 0.00 0.00 0.00 0.00 23:21:01 ens3 229.76 217.58 3124.06 28.31 0.00 0.00 0.00 0.00 23:22:01 lo 123.03 123.03 36.44 36.44 0.00 0.00 0.00 0.00 23:22:01 ens3 72.23 69.33 757.96 10.47 0.00 0.00 0.00 0.00 23:23:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 23:23:01 ens3 56.89 51.41 501.27 12.58 0.00 0.00 0.00 0.00 Average: lo 25.54 25.54 7.37 7.37 0.00 0.00 0.00 0.00 Average: ens3 173.34 129.73 1294.66 26.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2815) 06/06/26 _x86_64_ (4 CPU) 23:17:58 LINUX RESTART (4 CPU) 23:18:01 CPU %user %nice %system %iowait %steal %idle 23:19:01 all 22.48 0.00 2.70 6.06 1.55 67.21 23:19:01 0 47.86 0.00 2.76 5.57 1.99 41.82 23:19:01 1 14.27 0.00 1.62 10.94 1.09 72.08 23:19:01 2 14.13 0.00 4.31 1.78 1.60 78.19 23:19:01 3 13.81 0.00 2.14 5.93 1.56 76.56 23:20:01 all 21.54 0.00 1.34 1.71 1.13 74.28 23:20:01 0 24.68 0.00 1.93 5.18 0.97 67.24 23:20:01 1 26.54 0.00 1.46 0.93 1.56 69.51 23:20:01 2 13.32 0.00 0.85 0.17 0.68 84.98 23:20:01 3 21.61 0.00 1.15 0.56 1.29 75.38 23:21:01 all 26.77 0.00 1.35 1.63 1.96 68.29 23:21:01 0 19.62 0.00 0.96 0.28 1.73 77.40 23:21:01 1 31.29 0.00 1.07 0.80 1.85 65.00 23:21:01 2 28.56 0.00 0.96 0.81 1.89 67.76 23:21:01 3 27.62 0.00 2.36 4.63 2.36 63.04 23:22:01 all 43.71 0.00 1.50 0.35 3.29 51.15 23:22:01 0 39.92 0.00 1.92 0.30 3.59 54.27 23:22:01 1 50.02 0.00 1.19 0.15 3.35 45.29 23:22:01 2 40.07 0.00 1.54 0.17 3.03 55.19 23:22:01 3 44.84 0.00 1.38 0.78 3.18 49.82 23:23:01 all 22.96 0.00 1.13 0.86 1.21 73.82 23:23:01 0 10.64 0.00 0.91 2.16 1.00 85.29 23:23:01 1 20.37 0.00 1.05 0.15 1.20 77.23 23:23:01 2 27.36 0.00 1.25 0.23 1.33 69.83 23:23:01 3 33.50 0.00 1.33 0.92 1.32 62.94 Average: all 27.51 0.00 1.61 2.12 1.83 66.94 Average: 0 28.53 0.00 1.70 2.69 1.86 65.23 Average: 1 28.52 0.00 1.28 2.58 1.81 65.81 Average: 2 24.71 0.00 1.78 0.63 1.71 71.17 Average: 3 28.27 0.00 1.67 2.57 1.94 65.55