---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2997 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 nrip_save 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 676K 1.6G 1% /run /dev/vda1 78G 8.8G 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 611 12783 0 2644 15103 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:57:ea:b7 brd ff:ff:ff:ff:ff:ff inet 10.30.107.195/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86109sec preferred_lft 86109sec inet6 fe80::f816:3eff:fe57:eab7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-2997) 01/03/26 _x86_64_ (4 CPU) 18:48:53 LINUX RESTART (4 CPU) 18:49:01 tps rtps wtps bread/s bwrtn/s 18:50:00 372.13 67.36 304.77 3794.20 49588.67 18:51:01 155.17 28.29 126.88 1652.84 33586.23 18:52:01 68.44 12.53 55.91 845.33 25242.99 18:53:01 27.78 3.57 24.21 103.98 6687.15 Average: 155.88 27.94 127.94 1599.40 28797.08 18:49:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:50:00 13993420 15547524 2431548 14.80 62784 1692524 773352 4.43 664496 1551320 165244 18:51:01 13517976 15385528 2906992 17.70 84096 1969372 953476 5.46 881084 1778552 19452 18:52:01 11882276 13930976 4542692 27.66 88640 2139180 2428256 13.90 2412476 1868392 2880 18:53:01 13121796 15492104 3303172 20.11 91140 2454904 820416 4.70 992032 2044852 316240 Average: 13128867 15089033 3296101 20.07 81665 2063995 1243875 7.12 1237522 1810779 125954 18:49:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:50:00 lo 2.27 2.27 0.25 0.25 0.00 0.00 0.00 0.00 18:50:00 ens3 372.39 239.79 1710.18 74.99 0.00 0.00 0.00 0.00 18:51:01 lo 0.26 0.26 0.03 0.03 0.00 0.00 0.00 0.00 18:51:01 ens3 344.86 301.87 2497.19 62.14 0.00 0.00 0.00 0.00 18:52:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 18:52:01 ens3 278.45 224.96 1597.19 66.36 0.00 0.00 0.00 0.00 18:53:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 18:53:01 ens3 251.71 201.25 392.30 67.93 0.00 0.00 0.00 0.00 Average: lo 0.78 0.78 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 311.99 242.22 1553.16 67.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-2997) 01/03/26 _x86_64_ (4 CPU) 18:48:53 LINUX RESTART (4 CPU) 18:49:01 CPU %user %nice %system %iowait %steal %idle 18:50:00 all 20.97 0.00 2.10 8.82 0.06 68.04 18:50:00 0 13.18 0.00 1.99 2.87 0.05 81.91 18:50:00 1 48.07 0.00 3.06 11.12 0.10 37.65 18:50:00 2 8.95 0.00 1.66 12.68 0.07 76.65 18:50:00 3 13.73 0.00 1.63 8.64 0.05 75.95 18:51:01 all 18.71 0.00 1.79 2.16 0.07 77.27 18:51:01 0 18.23 0.00 1.71 3.03 0.07 76.96 18:51:01 1 16.58 0.00 1.48 0.46 0.07 81.41 18:51:01 2 26.59 0.00 2.69 4.85 0.07 65.81 18:51:01 3 13.45 0.00 1.35 0.30 0.07 84.84 18:52:01 all 65.99 0.00 2.03 0.77 0.10 31.12 18:52:01 0 69.66 0.00 1.69 1.74 0.10 26.81 18:52:01 1 68.30 0.00 1.97 0.22 0.10 29.41 18:52:01 2 69.45 0.00 2.20 0.79 0.12 27.45 18:52:01 3 56.59 0.00 2.23 0.32 0.10 40.76 18:53:01 all 54.29 0.00 2.30 0.24 0.08 43.09 18:53:01 0 49.40 0.00 2.23 0.07 0.08 48.23 18:53:01 1 64.72 0.00 2.46 0.10 0.08 32.64 18:53:01 2 52.03 0.00 2.77 0.73 0.08 44.39 18:53:01 3 51.01 0.00 1.72 0.07 0.08 47.12 Average: all 39.91 0.00 2.05 2.99 0.08 54.97 Average: 0 37.53 0.00 1.90 1.93 0.07 58.56 Average: 1 49.28 0.00 2.24 2.96 0.09 45.43 Average: 2 39.20 0.00 2.33 4.76 0.08 53.63 Average: 3 33.62 0.00 1.73 2.32 0.07 62.25