---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-6670 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: 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 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 1096 11293 0 3650 14614 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:df:5f:d3 brd ff:ff:ff:ff:ff:ff inet 10.30.106.227/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86105sec preferred_lft 86105sec inet6 fe80::f816:3eff:fedf:5fd3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-6670) 10/03/26 _x86_64_ (4 CPU) 02:51:24 LINUX RESTART (4 CPU) 02:52:01 tps rtps wtps bread/s bwrtn/s 02:53:01 145.69 11.23 134.46 275.15 50944.44 02:54:01 308.90 1.33 307.57 24.53 38036.46 02:55:01 398.47 9.45 389.02 484.45 24718.01 02:56:01 25.03 0.88 24.15 79.05 10128.31 Average: 219.52 5.72 213.80 215.80 30956.81 02:52:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:53:01 13463388 15324076 2961580 18.03 72552 1977456 1163160 6.66 903792 1819800 201724 02:54:01 10905792 14033656 5519176 33.60 152256 3034792 1635360 9.36 2237928 2865508 658012 02:55:01 12171364 15551928 4253604 25.90 154412 3268712 716200 4.10 931208 2914960 193888 02:56:01 11585476 14983272 4839492 29.46 156108 3285480 1241112 7.10 1607092 2825428 26792 Average: 12031505 14973233 4393463 26.75 133832 2891610 1188958 6.80 1420005 2606424 270104 02:52:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:53:01 ens3 209.02 144.28 2769.79 28.20 0.00 0.00 0.00 0.00 02:53:01 lo 0.73 0.73 0.09 0.09 0.00 0.00 0.00 0.00 02:54:01 ens3 748.81 547.98 9696.80 84.65 0.00 0.00 0.00 0.00 02:54:01 lo 3.60 3.60 0.32 0.32 0.00 0.00 0.00 0.00 02:55:01 ens3 328.60 216.85 559.71 77.89 0.00 0.00 0.00 0.00 02:55:01 lo 0.18 0.18 0.01 0.01 0.00 0.00 0.00 0.00 02:56:01 ens3 127.63 73.95 138.08 180.31 0.00 0.00 0.00 0.00 02:56:01 lo 0.40 0.40 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 353.51 245.76 3291.09 92.76 0.00 0.00 0.00 0.00 Average: lo 1.23 1.23 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-6670) 10/03/26 _x86_64_ (4 CPU) 02:51:24 LINUX RESTART (4 CPU) 02:52:01 CPU %user %nice %system %iowait %steal %idle 02:53:01 all 21.32 0.00 1.48 4.65 0.01 72.54 02:53:01 0 41.63 0.00 2.10 0.87 0.02 55.39 02:53:01 1 16.25 0.00 1.89 3.19 0.02 78.66 02:53:01 2 8.42 0.00 0.60 7.99 0.00 83.00 02:53:01 3 19.08 0.00 1.34 6.52 0.00 73.06 02:54:01 all 25.17 0.00 4.91 9.95 0.02 59.95 02:54:01 0 31.60 0.00 6.42 9.78 0.02 52.18 02:54:01 1 19.06 0.00 2.06 0.94 0.00 77.95 02:54:01 2 27.93 0.00 6.81 18.08 0.03 47.15 02:54:01 3 22.13 0.00 4.37 11.12 0.02 62.36 02:55:01 all 48.11 0.00 2.89 2.04 0.02 46.95 02:55:01 0 42.37 0.00 3.32 7.15 0.03 47.13 02:55:01 1 48.13 0.00 2.63 0.13 0.02 49.10 02:55:01 2 52.56 0.00 2.66 0.15 0.02 44.60 02:55:01 3 49.39 0.00 2.95 0.69 0.02 46.96 02:56:01 all 24.72 0.00 1.28 0.35 0.02 73.64 02:56:01 0 25.10 0.00 1.77 1.08 0.02 72.02 02:56:01 1 32.02 0.00 1.42 0.02 0.02 66.53 02:56:01 2 23.93 0.00 1.06 0.02 0.02 74.98 02:56:01 3 17.85 0.00 0.87 0.27 0.00 81.02 Average: all 29.81 0.00 2.63 4.24 0.02 63.30 Average: 0 35.18 0.00 3.40 4.71 0.02 56.69 Average: 1 28.86 0.00 2.00 1.07 0.01 68.06 Average: 2 28.13 0.00 2.76 6.52 0.02 62.57 Average: 3 27.09 0.00 2.38 4.65 0.01 65.87