---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-323 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: 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 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 7.6G 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 468 5292 0 2214 7227 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:73:97:c6 brd ff:ff:ff:ff:ff:ff inet 10.32.6.105/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86121sec preferred_lft 86121sec inet6 fe80::f816:3eff:fe73:97c6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-323) 05/08/26 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 109.72 45.21 64.51 3091.08 5984.49 07:07:01 77.04 30.81 46.23 1701.30 8320.16 07:08:01 45.80 10.75 35.05 634.72 7640.92 07:09:01 24.78 0.35 24.43 33.72 6020.53 Average: 64.33 21.78 42.55 1365.14 6991.56 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5941484 7409540 2225928 27.25 39412 1606932 707736 7.68 601532 1457192 113132 07:07:01 5582652 7299656 2584760 31.65 58996 1821472 815000 8.84 724096 1662944 112736 07:08:01 5494816 7471568 2672596 32.72 65092 2068384 623868 6.77 678208 1784204 161148 07:09:01 5483228 7463700 2684184 32.86 67212 2069824 625340 6.79 694392 1780364 10256 Average: 5625545 7411116 2541867 31.12 57678 1891653 692986 7.52 674557 1671176 99318 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 275.39 176.87 1509.28 60.05 0.00 0.00 0.00 0.00 07:06:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:07:01 ens3 81.32 70.43 558.85 18.45 0.00 0.00 0.00 0.00 07:07:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 07:08:01 ens3 201.82 192.22 1737.95 692.72 0.00 0.00 0.00 0.00 07:08:01 lo 1.30 1.30 0.12 0.12 0.00 0.00 0.00 0.00 07:09:01 ens3 13.80 13.95 11.35 6.46 0.00 0.00 0.00 0.00 07:09:01 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 143.07 113.36 954.34 194.42 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 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-323) 05/08/26 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 21.70 0.00 1.58 3.90 4.08 68.73 07:06:01 0 14.20 0.00 1.17 6.58 3.18 74.87 07:06:01 1 32.52 0.00 2.00 4.14 4.25 57.08 07:06:01 2 28.11 0.00 1.88 3.83 5.33 60.84 07:06:01 3 11.91 0.00 1.27 1.07 3.57 82.18 07:07:01 all 23.32 0.00 1.64 2.16 4.15 68.73 07:07:01 0 23.98 0.00 1.69 2.71 4.08 67.54 07:07:01 1 47.57 0.00 2.81 1.13 5.06 43.43 07:07:01 2 11.03 0.00 1.39 4.52 4.10 78.96 07:07:01 3 10.82 0.00 0.67 0.29 3.36 84.86 07:08:01 all 31.44 0.00 1.70 0.96 6.34 59.55 07:08:01 0 31.61 0.00 1.84 2.15 6.37 58.03 07:08:01 1 22.87 0.00 1.22 0.05 5.91 69.95 07:08:01 2 32.36 0.00 1.58 1.18 6.29 58.60 07:08:01 3 38.93 0.00 2.16 0.47 6.82 51.61 07:09:01 all 19.63 0.00 0.97 0.85 1.87 76.69 07:09:01 0 15.06 0.00 1.18 0.07 1.05 82.65 07:09:01 1 32.24 0.00 1.26 0.33 2.60 63.58 07:09:01 2 20.46 0.00 0.89 2.90 2.47 73.27 07:09:01 3 10.78 0.00 0.56 0.07 1.35 87.23 Average: all 24.04 0.00 1.48 1.97 4.12 68.40 Average: 0 21.24 0.00 1.47 2.88 3.68 70.73 Average: 1 33.79 0.00 1.82 1.41 4.46 58.52 Average: 2 23.00 0.00 1.44 3.11 4.55 67.90 Average: 3 18.14 0.00 1.17 0.48 3.78 76.43