---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-10439 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 7.5G 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 488 5397 0 2089 7209 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:29:db:9d brd ff:ff:ff:ff:ff:ff inet 10.32.6.252/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86134sec preferred_lft 86134sec inet6 fe80::f816:3eff:fe29:db9d/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-10439) 04/03/26 _x86_64_ (4 CPU) 19:12:56 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:01 155.54 72.25 83.29 4386.60 40653.11 19:15:01 68.48 13.76 54.72 329.49 8912.10 19:16:01 63.92 8.48 55.44 470.16 6883.23 19:17:01 24.81 0.35 24.46 33.73 4436.06 Average: 78.19 23.71 54.48 1304.89 15220.16 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:01 5984652 7404248 2182768 26.73 36572 1562892 711336 7.72 594716 1424032 85128 19:15:01 5579504 7236824 2587916 31.69 57252 1764212 884000 9.59 785508 1605908 101292 19:16:01 5552216 7409464 2615204 32.02 62812 1953592 656764 7.13 694004 1714944 119744 19:17:01 5546568 7401184 2620852 32.09 65080 1948748 668796 7.26 706444 1707924 9548 Average: 5665735 7362930 2501685 30.63 55429 1807361 730224 7.92 695168 1613202 78928 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:01 lo 1.33 1.33 0.12 0.12 0.00 0.00 0.00 0.00 19:14:01 ens3 420.03 249.54 1500.91 66.88 0.00 0.00 0.00 0.00 19:15:01 lo 1.27 1.27 0.13 0.13 0.00 0.00 0.00 0.00 19:15:01 ens3 78.97 56.26 481.77 16.56 0.00 0.00 0.00 0.00 19:16:01 lo 1.63 1.63 0.15 0.15 0.00 0.00 0.00 0.00 19:16:01 ens3 283.47 302.10 1241.68 566.73 0.00 0.00 0.00 0.00 19:17:01 lo 0.80 0.80 0.07 0.07 0.00 0.00 0.00 0.00 19:17:01 ens3 12.53 13.41 9.72 6.42 0.00 0.00 0.00 0.00 Average: lo 1.26 1.26 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 198.75 155.34 808.54 164.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-10439) 04/03/26 _x86_64_ (4 CPU) 19:12:56 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:01 all 21.22 0.00 2.57 5.02 2.08 69.10 19:14:01 0 8.75 0.00 1.18 2.36 1.36 86.34 19:14:01 1 43.18 0.00 5.75 6.55 2.89 41.63 19:14:01 2 16.67 0.00 2.19 8.06 2.72 70.36 19:14:01 3 16.35 0.00 1.20 3.10 1.35 78.00 19:15:01 all 25.69 0.00 1.56 1.82 1.96 68.97 19:15:01 0 10.04 0.00 0.47 0.10 1.20 88.19 19:15:01 1 18.16 0.00 1.21 4.81 1.84 73.97 19:15:01 2 54.13 0.00 3.45 1.89 3.14 37.39 19:15:01 3 20.39 0.00 1.08 0.48 1.66 76.39 19:16:01 all 35.46 0.00 1.86 1.31 3.77 57.61 19:16:01 0 25.86 0.00 1.75 0.49 3.46 68.44 19:16:01 1 29.29 0.00 1.57 3.24 3.46 62.44 19:16:01 2 56.16 0.00 2.18 0.48 4.59 36.59 19:16:01 3 30.55 0.00 1.92 1.03 3.58 62.92 19:17:01 all 20.70 0.00 0.94 0.91 1.11 76.35 19:17:01 0 4.97 0.00 0.33 0.22 0.94 93.54 19:17:01 1 8.98 0.00 0.92 3.00 0.70 86.40 19:17:01 2 21.19 0.00 1.18 0.05 1.20 76.38 19:17:01 3 47.73 0.00 1.32 0.35 1.56 49.04 Average: all 25.78 0.00 1.73 2.26 2.23 67.99 Average: 0 12.43 0.00 0.93 0.79 1.75 84.10 Average: 1 24.90 0.00 2.36 4.40 2.22 66.11 Average: 2 37.05 0.00 2.25 2.62 2.91 55.16 Average: 3 28.76 0.00 1.38 1.24 2.04 66.58