---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-5001 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 8.6G 11G 45% / 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 472 4301 0 3201 7207 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:02:dd:af brd ff:ff:ff:ff:ff:ff inet 10.32.7.168/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85975sec preferred_lft 85975sec inet6 fe80::f816:3eff:fe02:ddaf/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-5001) 07/04/26 _x86_64_ (4 CPU) 15:07:58 LINUX RESTART (4 CPU) 15:08:01 tps rtps wtps bread/s bwrtn/s 15:09:01 179.25 94.20 85.05 5146.88 40745.63 15:10:01 50.93 0.17 50.77 21.86 8408.00 15:11:01 85.80 29.71 56.09 1637.59 34371.20 15:12:01 8.00 0.03 7.97 0.27 310.88 15:13:01 8.16 0.00 8.16 0.00 299.50 15:14:01 50.67 2.73 47.93 189.94 9061.91 Average: 63.80 21.14 42.66 1166.00 15532.05 15:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:09:01 5984996 7405432 2182424 26.72 36884 1563996 702280 7.62 593472 1426444 87148 15:10:01 5706984 7393460 2460436 30.13 54664 1797164 720656 7.82 619176 1647472 168436 15:11:01 4656756 7249776 3510664 42.98 58872 2684068 821952 8.92 776512 2509580 892 15:12:01 4629904 7230176 3537516 43.31 60808 2688540 821952 8.92 797936 2513224 1960 15:13:01 4616564 7222896 3550856 43.48 62408 2692160 836820 9.08 806488 2516112 2076 15:14:01 4480156 7450564 3687264 45.15 67600 3043488 616212 6.69 597948 2846584 122300 Average: 5012560 7325384 3154860 38.63 56873 2411569 753312 8.17 698589 2243236 63802 15:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:09:01 ens3 451.27 240.71 1508.55 66.38 0.00 0.00 0.00 0.00 15:09:01 lo 2.07 2.07 0.19 0.19 0.00 0.00 0.00 0.00 15:10:01 ens3 41.15 35.34 362.46 4.17 0.00 0.00 0.00 0.00 15:10:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:11:01 ens3 509.82 298.70 13861.48 32.69 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 15:12:01 ens3 55.74 77.50 71.29 12.53 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 15:13:01 ens3 48.65 69.53 59.46 11.15 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 15:14:01 ens3 644.92 554.43 4111.97 75.64 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 Average: ens3 291.92 212.70 3329.05 33.76 0.00 0.00 0.00 0.00 Average: lo 0.77 0.77 0.07 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5001) 07/04/26 _x86_64_ (4 CPU) 15:07:58 LINUX RESTART (4 CPU) 15:08:01 CPU %user %nice %system %iowait %steal %idle 15:09:01 all 22.21 0.00 3.08 5.78 1.22 67.71 15:09:01 0 12.13 0.00 4.84 3.21 0.95 78.87 15:09:01 1 9.95 0.00 1.79 4.57 0.73 82.95 15:09:01 2 39.23 0.00 3.13 4.92 1.56 51.16 15:09:01 3 27.60 0.00 2.56 10.38 1.65 57.80 15:10:01 all 17.74 0.00 1.11 1.57 0.66 78.93 15:10:01 0 8.20 0.00 0.58 0.05 0.52 90.65 15:10:01 1 34.90 0.00 1.93 0.23 0.85 62.08 15:10:01 2 16.39 0.00 0.78 2.52 0.82 79.49 15:10:01 3 11.53 0.00 1.12 3.50 0.45 83.41 15:11:01 all 15.02 0.00 1.56 2.06 1.06 80.29 15:11:01 0 16.18 0.00 0.88 1.93 0.92 80.08 15:11:01 1 14.84 0.00 0.33 0.03 0.90 83.89 15:11:01 2 17.79 0.00 4.09 2.65 1.65 73.82 15:11:01 3 11.28 0.00 0.92 3.62 0.80 83.38 15:12:01 all 6.45 0.00 0.42 0.04 0.95 92.15 15:12:01 0 7.69 0.00 0.28 0.00 0.63 91.39 15:12:01 1 4.32 0.00 0.35 0.05 0.86 94.41 15:12:01 2 3.69 0.00 0.32 0.00 1.56 94.44 15:12:01 3 10.12 0.00 0.74 0.10 0.74 88.31 15:13:01 all 3.89 0.00 0.32 0.04 0.72 95.03 15:13:01 0 0.60 0.00 0.12 0.00 0.33 98.95 15:13:01 1 1.38 0.00 0.12 0.03 0.45 98.02 15:13:01 2 6.14 0.00 0.81 0.10 1.42 91.53 15:13:01 3 7.45 0.00 0.23 0.03 0.65 91.63 15:14:01 all 21.41 0.00 1.70 0.76 1.43 74.69 15:14:01 0 19.00 0.00 1.89 0.33 1.30 77.48 15:14:01 1 30.03 0.00 1.55 1.13 1.75 65.54 15:14:01 2 16.93 0.00 2.13 1.49 1.74 77.71 15:14:01 3 19.65 0.00 1.25 0.08 0.96 78.05 Average: all 14.45 0.00 1.36 1.71 1.01 81.47 Average: 0 10.63 0.00 1.43 0.92 0.77 86.25 Average: 1 15.90 0.00 1.01 1.01 0.92 81.16 Average: 2 16.66 0.00 1.87 1.94 1.46 78.07 Average: 3 14.61 0.00 1.14 2.95 0.87 80.42