---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1942 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 672K 1.6G 1% /run /dev/vda1 78G 9.7G 68G 13% / 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 615 11692 0 3732 15094 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:c0:d9:8c brd ff:ff:ff:ff:ff:ff inet 10.30.107.16/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86080sec preferred_lft 86080sec inet6 fe80::f816:3eff:fec0:d98c/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-1942) 11/09/26 _x86_64_ (4 CPU) 08:30:50 LINUX RESTART (4 CPU) 08:31:01 tps rtps wtps bread/s bwrtn/s 08:32:01 294.87 27.88 266.99 1019.43 66870.05 08:33:01 165.66 42.74 122.93 2507.43 17759.95 08:34:01 47.14 3.18 43.96 127.58 5134.34 08:35:01 167.09 5.45 161.64 171.57 20329.68 08:36:01 34.03 1.18 32.84 81.05 14916.98 Average: 141.76 16.09 125.67 781.47 25001.96 08:31:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:32:01 13746104 15509472 2678864 16.31 67644 1890544 843048 4.82 716244 1734672 269212 08:33:01 11167636 13320572 5257332 32.01 79996 2250048 2908072 16.64 2981764 2008476 72640 08:34:01 10482300 12944020 5942668 36.18 86636 2515804 3277172 18.76 3427564 2199800 203828 08:35:01 10050208 13011640 6374760 38.81 93692 2976028 3067084 17.55 3548652 2478260 83232 08:36:01 11960592 15442832 4464376 27.18 96384 3478868 867440 4.96 1416400 2692360 175712 Average: 11481368 14045707 4943600 30.10 84870 2622258 2192563 12.55 2418125 2222714 160925 08:31:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:32:01 ens3 339.74 240.73 2095.42 73.76 0.00 0.00 0.00 0.00 08:32:01 lo 1.13 1.13 0.13 0.13 0.00 0.00 0.00 0.00 08:33:01 ens3 343.22 264.58 2603.18 61.40 0.00 0.00 0.00 0.00 08:33:01 lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 08:34:01 ens3 22.10 10.16 6.82 5.80 0.00 0.00 0.00 0.00 08:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:35:01 ens3 274.04 188.09 1767.00 60.87 0.00 0.00 0.00 0.00 08:35:01 lo 0.73 0.73 0.36 0.36 0.00 0.00 0.00 0.00 08:36:01 ens3 170.40 103.97 290.17 44.95 0.00 0.00 0.00 0.00 08:36:01 lo 2.30 2.30 13.60 13.60 0.00 0.00 0.00 0.00 Average: ens3 229.90 161.51 1352.56 49.35 0.00 0.00 0.00 0.00 Average: lo 0.94 0.94 2.83 2.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1942) 11/09/26 _x86_64_ (4 CPU) 08:30:50 LINUX RESTART (4 CPU) 08:31:01 CPU %user %nice %system %iowait %steal %idle 08:32:01 all 21.73 0.00 1.95 4.17 0.01 72.14 08:32:01 0 35.30 0.00 2.36 6.62 0.02 55.70 08:32:01 1 15.71 0.00 1.54 1.94 0.00 80.81 08:32:01 2 20.24 0.00 1.59 0.65 0.02 77.50 08:32:01 3 15.70 0.00 2.31 7.48 0.00 74.51 08:33:01 all 56.25 0.00 2.05 0.72 0.01 40.97 08:33:01 0 54.71 0.00 1.65 0.10 0.02 43.52 08:33:01 1 58.44 0.00 2.29 1.60 0.02 37.65 08:33:01 2 52.02 0.00 2.22 0.99 0.00 44.77 08:33:01 3 59.86 0.00 2.04 0.18 0.02 37.89 08:34:01 all 52.45 0.00 1.21 0.17 0.02 46.15 08:34:01 0 43.04 0.00 0.59 0.00 0.00 56.37 08:34:01 1 42.30 0.00 1.00 0.52 0.03 56.15 08:34:01 2 54.57 0.00 0.68 0.00 0.02 44.73 08:34:01 3 69.86 0.00 2.57 0.15 0.02 27.40 08:35:01 all 57.30 0.00 2.45 0.48 0.02 39.75 08:35:01 0 50.46 0.00 1.42 0.02 0.02 48.09 08:35:01 1 50.94 0.00 2.26 1.14 0.03 45.63 08:35:01 2 54.74 0.00 2.34 0.63 0.02 42.26 08:35:01 3 73.04 0.00 3.79 0.15 0.02 23.00 08:36:01 all 41.50 0.00 2.47 0.28 0.02 55.73 08:36:01 0 32.42 0.00 2.12 0.02 0.02 65.42 08:36:01 1 37.28 0.00 2.24 0.80 0.02 59.66 08:36:01 2 42.97 0.00 2.43 0.03 0.00 54.57 08:36:01 3 53.32 0.00 3.11 0.28 0.02 43.28 Average: all 45.86 0.00 2.03 1.16 0.02 50.94 Average: 0 43.20 0.00 1.63 1.35 0.01 53.81 Average: 1 40.94 0.00 1.87 1.20 0.02 55.98 Average: 2 44.92 0.00 1.85 0.46 0.01 52.76 Average: 3 54.37 0.00 2.76 1.65 0.01 41.21