---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2390 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 7.8G 12G 41% / 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 470 5126 0 2378 7221 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:37:33:ff brd ff:ff:ff:ff:ff:ff inet 10.32.7.123/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86023sec preferred_lft 86023sec inet6 fe80::f816:3eff:fe37:33ff/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-2390) 01/03/26 _x86_64_ (4 CPU) 15:07:45 LINUX RESTART (4 CPU) 15:08:01 tps rtps wtps bread/s bwrtn/s 15:09:02 97.18 30.21 66.98 1011.26 5433.52 15:10:01 78.21 30.16 48.05 1669.81 8553.44 15:11:01 31.71 0.17 31.54 2.40 6115.29 15:12:01 9.43 0.00 9.43 0.00 376.74 15:13:01 51.81 2.73 49.08 189.97 12217.56 Average: 53.59 12.60 40.99 571.06 6532.59 15:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:09:02 5909840 7380352 2257580 27.64 39800 1608408 746860 8.10 633144 1456704 112720 15:10:01 5603908 7301340 2563512 31.39 57088 1804400 845976 9.18 717008 1651452 104556 15:11:01 5530368 7302380 2637052 32.29 59404 1874736 782536 8.49 717636 1720464 1932 15:12:01 5352588 7190836 2814832 34.46 61228 1937176 890368 9.66 829728 1781332 59016 15:13:01 5282508 7422928 2884912 35.32 66772 2227492 657940 7.14 637464 2031772 28876 Average: 5535842 7319567 2631578 32.22 56858 1890442 784736 8.51 706996 1728345 61420 15:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:09:02 ens3 406.45 205.80 1397.08 64.41 0.00 0.00 0.00 0.00 15:09:02 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 15:10:01 ens3 77.14 51.71 440.17 13.91 0.00 0.00 0.00 0.00 15:10:01 lo 1.49 1.49 0.14 0.14 0.00 0.00 0.00 0.00 15:11:01 ens3 103.85 113.41 1161.86 16.21 0.00 0.00 0.00 0.00 15:11:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:12:01 ens3 245.34 219.06 1063.07 26.50 0.00 0.00 0.00 0.00 15:12:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 15:13:01 ens3 464.07 426.18 3088.51 61.43 0.00 0.00 0.00 0.00 15:13:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 Average: ens3 259.97 203.73 1433.41 36.57 0.00 0.00 0.00 0.00 Average: lo 0.64 0.64 0.06 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2390) 01/03/26 _x86_64_ (4 CPU) 15:07:45 LINUX RESTART (4 CPU) 15:08:01 CPU %user %nice %system %iowait %steal %idle 15:09:02 all 24.16 0.00 1.80 2.94 1.33 69.76 15:09:02 0 17.71 0.00 0.98 3.88 1.10 76.33 15:09:02 1 24.31 0.00 1.99 0.91 1.21 71.57 15:09:02 2 10.11 0.00 1.34 3.24 1.30 84.01 15:09:02 3 44.59 0.00 2.92 3.73 1.70 47.06 15:10:01 all 22.11 0.00 1.27 1.91 1.13 73.58 15:10:01 0 21.57 0.00 1.73 1.32 0.91 74.47 15:10:01 1 8.84 0.00 0.58 4.54 0.73 85.32 15:10:01 2 39.99 0.00 1.68 0.25 1.71 56.37 15:10:01 3 18.03 0.00 1.09 1.56 1.15 78.18 15:11:01 all 9.23 0.00 0.57 0.37 0.78 89.05 15:11:01 0 4.09 0.00 0.10 0.10 0.37 95.34 15:11:01 1 14.47 0.00 0.20 0.12 0.78 84.43 15:11:01 2 10.62 0.00 1.52 0.83 0.83 86.19 15:11:01 3 7.75 0.00 0.45 0.40 1.15 90.25 15:12:01 all 5.87 0.00 0.47 0.03 0.87 92.76 15:12:01 0 4.39 0.00 0.58 0.02 0.77 94.24 15:12:01 1 6.30 0.00 0.13 0.10 0.68 92.78 15:12:01 2 5.78 0.00 0.35 0.00 0.83 93.04 15:12:01 3 7.00 0.00 0.82 0.00 1.20 90.98 15:13:01 all 21.49 0.00 1.66 1.04 1.69 74.13 15:13:01 0 23.25 0.00 1.31 0.67 1.35 73.42 15:13:01 1 22.47 0.00 1.76 1.53 1.56 72.68 15:13:01 2 25.95 0.00 2.08 0.84 2.12 69.01 15:13:01 3 14.23 0.00 1.48 1.13 1.73 81.42 Average: all 16.56 0.00 1.15 1.26 1.16 79.87 Average: 0 14.18 0.00 0.94 1.20 0.90 82.79 Average: 1 15.31 0.00 0.93 1.43 0.99 81.34 Average: 2 18.42 0.00 1.39 1.04 1.36 77.79 Average: 3 18.32 0.00 1.35 1.36 1.39 77.58