---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-3032 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 7.7G 12G 40% / 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 478 5208 0 2288 7214 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:ee:60:1b brd ff:ff:ff:ff:ff:ff inet 10.32.7.95/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86113sec preferred_lft 86113sec inet6 fe80::f816:3eff:feee:601b/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-3032) 06/10/26 _x86_64_ (4 CPU) 07:04:48 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 116.41 54.07 62.35 3563.35 5585.62 07:07:01 57.75 5.54 52.21 158.48 9983.12 07:08:01 75.47 32.94 42.53 2076.59 8018.00 07:09:01 29.05 3.47 25.58 133.71 7523.41 Average: 69.72 24.08 45.64 1488.66 7768.22 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5944176 7409572 2223244 27.22 39196 1604496 715420 7.76 602468 1455500 121584 07:07:01 5757596 7484436 2409824 29.51 57204 1831380 602048 6.53 519268 1691772 145560 07:08:01 5340340 7384356 2827080 34.61 66196 2132256 688752 7.47 761032 1852000 195724 07:09:01 5363048 7416064 2804372 34.34 68244 2138284 659504 7.16 737716 1850900 9348 Average: 5601290 7423607 2566130 31.42 57710 1926604 666431 7.23 655121 1712543 118054 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 ens3 473.71 267.41 1534.32 67.53 0.00 0.00 0.00 0.00 07:06:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:07:01 ens3 59.53 47.65 525.14 10.64 0.00 0.00 0.00 0.00 07:07:01 lo 0.54 0.54 0.05 0.05 0.00 0.00 0.00 0.00 07:08:01 ens3 190.62 169.42 1870.39 28.56 0.00 0.00 0.00 0.00 07:08:01 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 07:09:01 ens3 64.41 69.87 32.08 681.53 0.00 0.00 0.00 0.00 07:09:01 lo 1.67 1.67 0.14 0.14 0.00 0.00 0.00 0.00 Average: ens3 197.65 138.98 992.45 197.84 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-3032) 06/10/26 _x86_64_ (4 CPU) 07:04:48 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 23.04 0.00 1.78 4.07 2.03 69.08 07:06:02 0 12.66 0.00 1.55 7.27 2.62 75.90 07:06:02 1 20.31 0.00 1.78 1.49 1.53 74.89 07:06:02 2 13.81 0.00 1.31 5.62 1.64 77.61 07:06:02 3 45.52 0.00 2.46 1.86 2.33 47.83 07:07:01 all 21.04 0.00 1.22 1.81 1.76 74.16 07:07:01 0 3.28 0.00 0.47 0.97 2.50 92.79 07:07:01 1 40.21 0.00 1.86 0.88 1.73 55.32 07:07:01 2 18.32 0.00 1.33 5.13 1.30 73.91 07:07:01 3 22.66 0.00 1.26 0.27 1.50 74.31 07:08:01 all 39.48 0.00 1.98 1.93 4.18 52.42 07:08:01 0 41.34 0.00 1.84 3.65 3.95 49.21 07:08:01 1 40.06 0.00 2.22 1.77 4.13 51.83 07:08:01 2 45.70 0.00 2.24 1.19 4.75 46.13 07:08:01 3 30.86 0.00 1.65 1.10 3.94 62.46 07:09:01 all 20.34 0.00 1.03 1.04 1.45 76.14 07:09:01 0 16.59 0.00 1.36 3.77 1.06 77.21 07:09:01 1 27.97 0.00 0.95 0.18 1.46 69.44 07:09:01 2 10.71 0.00 0.76 0.05 0.95 87.52 07:09:01 3 26.02 0.00 1.04 0.16 2.32 70.45 Average: all 26.01 0.00 1.51 2.21 2.36 67.91 Average: 0 18.49 0.00 1.31 3.92 2.54 73.74 Average: 1 32.11 0.00 1.70 1.08 2.22 62.89 Average: 2 22.19 0.00 1.41 2.99 2.17 71.24 Average: 3 31.28 0.00 1.60 0.85 2.53 63.74