---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2895 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 467 5219 0 2288 7225 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:28:bf:b4 brd ff:ff:ff:ff:ff:ff inet 10.32.6.64/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86119sec preferred_lft 86119sec inet6 fe80::f816:3eff:fe28:bfb4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2895) 06/08/26 _x86_64_ (4 CPU) 07:04:44 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 99.53 29.23 70.30 963.17 6344.68 07:07:01 73.97 30.82 43.15 1715.16 8226.38 07:08:01 55.88 10.61 45.27 627.92 9486.17 07:09:01 25.90 0.85 25.05 47.33 6068.32 Average: 63.78 17.83 45.95 834.87 7528.68 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5849416 7397136 2318004 28.38 46116 1675008 714056 7.75 641332 1500988 158560 07:07:01 5591536 7367140 2575884 31.54 58512 1878556 760160 8.25 652564 1722584 156568 07:08:01 5352376 7400928 2815044 34.47 66668 2135728 698028 7.57 746840 1853220 162856 07:09:01 5373440 7427964 2793980 34.21 68620 2139596 654712 7.10 728660 1849992 11808 Average: 5541692 7398292 2625728 32.15 59979 1957222 706739 7.67 692349 1731696 122448 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 ens3 356.94 196.95 1309.00 57.58 0.00 0.00 0.00 0.00 07:06:02 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 07:07:01 ens3 70.41 56.70 540.25 13.59 0.00 0.00 0.00 0.00 07:07:01 lo 1.49 1.49 0.14 0.14 0.00 0.00 0.00 0.00 07:08:01 ens3 193.45 184.51 1857.28 408.03 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 42.79 42.34 29.89 287.14 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 166.28 120.38 935.73 192.31 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 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-2895) 06/08/26 _x86_64_ (4 CPU) 07:04:44 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 22.85 0.00 1.51 3.33 1.79 70.52 07:06:02 0 31.11 0.00 1.68 0.58 1.52 65.11 07:06:02 1 25.06 0.00 2.06 10.05 1.91 60.92 07:06:02 2 25.47 0.00 1.23 0.48 1.56 71.25 07:06:02 3 9.91 0.00 1.10 2.21 2.12 84.66 07:07:01 all 23.26 0.00 1.44 2.12 1.96 71.22 07:07:01 0 8.76 0.00 0.69 1.76 1.01 87.78 07:07:01 1 37.96 0.00 1.87 4.97 2.21 53.00 07:07:01 2 28.38 0.00 1.92 0.39 2.02 67.29 07:07:01 3 17.95 0.00 1.25 1.38 2.60 76.82 07:08:01 all 38.32 0.00 1.97 1.06 3.64 55.02 07:08:01 0 26.72 0.00 1.68 0.13 3.65 67.81 07:08:01 1 49.30 0.00 2.52 3.79 3.93 40.46 07:08:01 2 44.81 0.00 1.92 0.26 3.87 49.13 07:08:01 3 32.48 0.00 1.75 0.08 3.09 62.58 07:09:01 all 20.58 0.00 1.09 0.96 1.38 75.99 07:09:01 0 1.91 0.00 0.49 0.03 1.50 96.06 07:09:01 1 2.08 0.00 0.61 3.36 0.68 93.27 07:09:01 2 20.98 0.00 1.60 0.05 1.18 76.20 07:09:01 3 57.54 0.00 1.66 0.42 2.13 38.25 Average: all 26.27 0.00 1.50 1.87 2.19 68.17 Average: 0 17.15 0.00 1.14 0.62 1.93 79.17 Average: 1 28.58 0.00 1.77 5.54 2.18 61.93 Average: 2 29.93 0.00 1.67 0.30 2.16 65.94 Average: 3 29.43 0.00 1.44 1.02 2.49 65.62