---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-64 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 9.0G 69G 12% / 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 548 12621 0 2869 15162 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:4e:52:b9 brd ff:ff:ff:ff:ff:ff inet 10.30.107.54/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86110sec preferred_lft 86110sec inet6 fe80::f816:3eff:fe4e:52b9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-64) 10/08/26 _x86_64_ (4 CPU) 03:04:44 LINUX RESTART (4 CPU) 03:05:01 tps rtps wtps bread/s bwrtn/s 03:06:01 154.37 29.91 124.46 985.70 57268.06 03:07:01 116.88 4.33 112.55 121.45 13920.75 03:08:01 19.12 3.22 15.90 342.53 4550.40 03:09:01 30.77 4.52 26.26 175.67 4389.34 Average: 80.29 10.49 69.79 406.33 20032.13 03:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:01 13818600 15619240 2606368 15.87 70380 1921232 731332 4.19 605200 1770956 323788 03:07:01 13285300 15174164 3139668 19.12 84820 1987508 1197676 6.85 1075980 1816108 12412 03:08:01 12277888 14300912 4147080 25.25 86676 2116516 2057572 11.78 1968104 1921900 9496 03:09:01 12911700 15513904 3513268 21.39 90696 2682584 819248 4.69 977828 2265084 481008 Average: 13073372 15152055 3351596 20.41 83143 2176960 1201457 6.88 1156778 1943512 206676 03:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:01 lo 1.47 1.47 0.18 0.18 0.00 0.00 0.00 0.00 03:06:01 ens3 147.73 92.63 1848.24 31.67 0.00 0.00 0.00 0.00 03:07:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 03:07:01 ens3 247.94 218.13 869.14 64.43 0.00 0.00 0.00 0.00 03:08:01 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 03:08:01 ens3 2102.13 1636.80 2259.89 575.59 0.00 0.00 0.00 0.00 03:09:01 lo 2.88 2.88 0.26 0.26 0.00 0.00 0.00 0.00 03:09:01 ens3 402.13 309.56 780.32 1830.20 0.00 0.00 0.00 0.00 Average: lo 1.20 1.20 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 724.91 564.23 1439.33 625.53 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-64) 10/08/26 _x86_64_ (4 CPU) 03:04:44 LINUX RESTART (4 CPU) 03:05:01 CPU %user %nice %system %iowait %steal %idle 03:06:01 all 19.63 0.00 1.63 3.52 0.01 75.20 03:06:01 0 3.99 0.00 1.19 6.95 0.02 87.85 03:06:01 1 27.91 0.00 1.90 1.05 0.02 69.12 03:06:01 2 19.35 0.00 1.49 0.95 0.02 78.19 03:06:01 3 27.26 0.00 1.97 5.11 0.02 65.64 03:07:01 all 17.77 0.00 1.39 0.39 0.02 80.43 03:07:01 0 14.31 0.00 1.34 1.39 0.02 82.95 03:07:01 1 24.64 0.00 1.27 0.00 0.00 74.09 03:07:01 2 16.62 0.00 1.16 0.12 0.02 82.09 03:07:01 3 15.56 0.00 1.78 0.05 0.02 82.59 03:08:01 all 36.50 0.00 6.30 0.08 0.02 57.11 03:08:01 0 21.25 0.00 4.76 0.15 0.02 73.82 03:08:01 1 34.95 0.00 6.82 0.03 0.03 58.17 03:08:01 2 65.58 0.00 6.01 0.13 0.02 28.26 03:08:01 3 24.09 0.00 7.63 0.02 0.02 68.25 03:09:01 all 41.48 0.00 2.30 0.08 0.02 56.11 03:09:01 0 36.49 0.00 2.92 0.17 0.02 60.41 03:09:01 1 42.13 0.00 2.02 0.07 0.02 55.76 03:09:01 2 45.49 0.00 1.72 0.00 0.02 52.77 03:09:01 3 41.80 0.00 2.52 0.08 0.03 55.56 Average: all 28.85 0.00 2.91 1.02 0.02 67.20 Average: 0 19.02 0.00 2.55 2.16 0.02 76.25 Average: 1 32.41 0.00 3.01 0.29 0.02 64.28 Average: 2 36.78 0.00 2.59 0.30 0.02 60.31 Average: 3 27.19 0.00 3.48 1.32 0.02 67.99