---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1033 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: 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 676K 1.6G 1% /run /dev/vda1 78G 8.5G 69G 11% / 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 553 13106 0 2380 15168 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:59:be:c8 brd ff:ff:ff:ff:ff:ff inet 10.30.106.172/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86005sec preferred_lft 86005sec inet6 fe80::f816:3eff:fe59:bec8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1033) 10/07/25 _x86_64_ (4 CPU) 21:11:05 LINUX RESTART (4 CPU) 21:12:01 tps rtps wtps bread/s bwrtn/s 21:13:01 148.73 33.93 114.80 1809.97 30526.38 21:14:01 63.22 9.43 53.79 780.14 8386.60 21:15:01 6.07 0.00 6.07 0.00 412.73 21:16:01 6.73 1.10 5.63 39.72 510.76 21:17:01 25.45 2.98 22.46 277.15 6366.01 Average: 50.04 9.49 40.55 581.38 9240.21 21:12:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:13:01 13569936 15329948 2855032 17.38 72716 1879548 965608 5.53 911596 1713072 129340 21:14:01 12355772 14263180 4069196 24.77 76468 2018236 1956432 11.20 2049292 1776172 10696 21:15:01 12329244 14236764 4095724 24.94 76540 2018276 2042700 11.69 2076616 1776204 116 21:16:01 12092924 14024876 4332044 26.37 77972 2039692 2168840 12.41 2297024 1786936 9824 21:17:01 13423588 15530960 3001380 18.27 81596 2207924 788008 4.51 858284 1892496 31240 Average: 12754293 14677146 3670675 22.35 77058 2032735 1584318 9.07 1638562 1788976 36243 21:12:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:13:01 lo 0.67 0.67 0.08 0.08 0.00 0.00 0.00 0.00 21:13:01 ens3 185.75 143.23 1733.43 32.29 0.00 0.00 0.00 0.00 21:14:01 lo 1.18 1.18 0.06 0.06 0.00 0.00 0.00 0.00 21:14:01 ens3 1018.10 494.28 1815.27 218.44 0.00 0.00 0.00 0.00 21:15:01 lo 3.17 3.17 0.15 0.15 0.00 0.00 0.00 0.00 21:15:01 ens3 32.48 16.98 7.44 6.31 0.00 0.00 0.00 0.00 21:16:01 lo 17.08 17.08 2.53 2.53 0.00 0.00 0.00 0.00 21:16:01 ens3 329.51 194.00 276.38 65.23 0.00 0.00 0.00 0.00 21:17:01 lo 2.62 2.62 0.21 0.21 0.00 0.00 0.00 0.00 21:17:01 ens3 640.73 486.74 2540.28 178.64 0.00 0.00 0.00 0.00 Average: lo 4.94 4.94 0.61 0.61 0.00 0.00 0.00 0.00 Average: ens3 441.31 267.04 1274.53 100.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1033) 10/07/25 _x86_64_ (4 CPU) 21:11:05 LINUX RESTART (4 CPU) 21:12:01 CPU %user %nice %system %iowait %steal %idle 21:13:01 all 21.75 0.00 1.41 6.97 0.06 69.81 21:13:01 0 20.47 0.00 1.79 14.67 0.07 63.00 21:13:01 1 22.80 0.00 1.64 2.66 0.05 72.86 21:13:01 2 13.45 0.00 0.72 9.01 0.07 76.75 21:13:01 3 30.27 0.00 1.49 1.54 0.07 66.64 21:14:01 all 61.20 0.00 2.02 0.36 0.11 36.31 21:14:01 0 55.60 0.00 2.34 0.32 0.12 41.62 21:14:01 1 66.39 0.00 1.86 0.52 0.12 31.12 21:14:01 2 59.01 0.00 1.91 0.23 0.10 38.75 21:14:01 3 63.79 0.00 1.99 0.37 0.10 33.75 21:15:01 all 0.94 0.00 0.09 0.06 0.02 98.89 21:15:01 0 0.70 0.00 0.05 0.02 0.02 99.21 21:15:01 1 1.62 0.00 0.20 0.10 0.03 98.05 21:15:01 2 0.53 0.00 0.03 0.08 0.02 99.33 21:15:01 3 0.90 0.00 0.07 0.02 0.02 99.00 21:16:01 all 16.48 0.00 0.74 0.01 0.05 82.72 21:16:01 0 16.21 0.00 0.62 0.02 0.05 83.10 21:16:01 1 17.20 0.00 0.62 0.03 0.03 82.12 21:16:01 2 15.21 0.00 0.85 0.02 0.02 83.91 21:16:01 3 17.27 0.00 0.91 0.02 0.05 81.75 21:17:01 all 45.59 0.00 1.86 0.40 0.08 52.07 21:17:01 0 56.68 0.00 1.62 0.17 0.12 41.42 21:17:01 1 33.17 0.00 1.68 1.25 0.08 63.82 21:17:01 2 45.89 0.00 1.24 0.03 0.08 52.75 21:17:01 3 46.65 0.00 2.85 0.15 0.08 50.27 Average: all 29.18 0.00 1.23 1.56 0.06 67.97 Average: 0 29.96 0.00 1.28 3.03 0.07 65.65 Average: 1 28.22 0.00 1.20 0.91 0.06 69.60 Average: 2 26.80 0.00 0.95 1.87 0.06 70.32 Average: 3 31.74 0.00 1.46 0.42 0.06 66.32