---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2617 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 672K 1.6G 1% /run /dev/vda1 78G 9.6G 68G 13% / 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 551 11892 0 3595 15157 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:f6:a9:7a brd ff:ff:ff:ff:ff:ff inet 10.30.106.188/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86111sec preferred_lft 86111sec inet6 fe80::f816:3eff:fef6:a97a/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-2617) 10/17/26 _x86_64_ (4 CPU) 20:16:24 LINUX RESTART (4 CPU) 20:17:02 tps rtps wtps bread/s bwrtn/s 20:18:01 168.90 36.03 132.88 2273.65 19126.93 20:19:01 86.34 9.97 76.37 399.80 15689.92 20:20:01 199.67 2.92 196.75 75.04 26709.23 20:21:01 35.63 4.08 31.54 178.90 11816.03 Average: 122.44 13.15 109.29 725.37 18332.57 20:17:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:18:01 13375416 15337284 3049552 18.57 74444 2074752 949452 5.43 892844 1914324 226528 20:19:01 10349612 12622756 6075356 36.99 82176 2360636 3581184 20.49 3673880 2118028 168088 20:20:01 9925404 12841576 6499564 39.57 92552 2933972 3279412 18.77 3735616 2417960 90132 20:21:01 12230644 15571656 4194324 25.54 95008 3344128 729976 4.18 1259416 2583868 281244 Average: 11470269 14093318 4954699 30.17 86045 2678372 2135006 12.22 2390439 2258545 191498 20:17:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:18:01 lo 1.08 1.08 0.13 0.13 0.00 0.00 0.00 0.00 20:18:01 ens3 251.31 180.44 2366.32 38.89 0.00 0.00 0.00 0.00 20:19:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 20:19:01 ens3 206.10 149.69 1626.69 42.91 0.00 0.00 0.00 0.00 20:20:01 lo 0.07 0.07 0.01 0.01 0.00 0.00 0.00 0.00 20:20:01 ens3 206.06 156.70 1021.77 768.38 0.00 0.00 0.00 0.00 20:21:01 lo 1.80 1.80 13.57 13.57 0.00 0.00 0.00 0.00 20:21:01 ens3 193.92 181.12 336.99 1982.94 0.00 0.00 0.00 0.00 Average: lo 0.80 0.80 3.45 3.45 0.00 0.00 0.00 0.00 Average: ens3 214.19 166.93 1333.63 711.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-2617) 10/17/26 _x86_64_ (4 CPU) 20:16:24 LINUX RESTART (4 CPU) 20:17:02 CPU %user %nice %system %iowait %steal %idle 20:18:01 all 25.16 0.00 1.70 2.61 0.01 70.52 20:18:01 0 10.12 0.00 0.99 3.03 0.00 85.86 20:18:01 1 54.75 0.00 3.26 2.46 0.02 39.51 20:18:01 2 15.63 0.00 1.29 4.37 0.00 78.71 20:18:01 3 20.06 0.00 1.24 0.60 0.02 78.08 20:19:01 all 64.08 0.00 1.70 0.29 0.03 33.90 20:19:01 0 56.27 0.00 1.83 0.00 0.03 41.87 20:19:01 1 72.45 0.00 2.08 0.28 0.03 25.15 20:19:01 2 66.34 0.00 1.19 0.54 0.03 31.90 20:19:01 3 61.27 0.00 1.70 0.30 0.03 36.69 20:20:01 all 55.53 0.00 2.31 0.58 0.02 41.55 20:20:01 0 59.66 0.00 1.71 0.18 0.02 38.42 20:20:01 1 64.64 0.00 3.81 0.22 0.03 31.30 20:20:01 2 49.01 0.00 1.44 0.99 0.02 48.55 20:20:01 3 48.78 0.00 2.28 0.95 0.02 47.97 20:21:01 all 41.49 0.00 2.09 0.25 0.02 56.15 20:21:01 0 40.14 0.00 2.58 0.02 0.02 57.25 20:21:01 1 34.31 0.00 1.54 0.38 0.02 63.75 20:21:01 2 43.47 0.00 2.24 0.22 0.02 54.06 20:21:01 3 48.08 0.00 1.98 0.38 0.03 49.52 Average: all 46.67 0.00 1.95 0.92 0.02 50.43 Average: 0 41.74 0.00 1.78 0.80 0.02 55.67 Average: 1 56.52 0.00 2.67 0.83 0.03 39.95 Average: 2 43.74 0.00 1.54 1.51 0.02 53.19 Average: 3 44.67 0.00 1.81 0.56 0.03 52.94