---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-30 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: 2799.996 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 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 9.0G 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 555 12620 0 2864 15156 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:85:5e:73 brd ff:ff:ff:ff:ff:ff inet 10.30.107.158/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86107sec preferred_lft 86107sec inet6 fe80::f816:3eff:fe85:5e73/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-30) 09/11/26 _x86_64_ (4 CPU) 03:04:36 LINUX RESTART (4 CPU) 03:05:01 tps rtps wtps bread/s bwrtn/s 03:06:02 105.70 4.03 101.67 64.12 48557.91 03:07:01 130.60 15.76 114.84 420.00 15593.83 03:08:01 26.86 3.17 23.70 340.61 4906.12 03:09:01 31.61 4.50 27.11 176.10 4466.72 Average: 73.46 6.83 66.63 249.50 18392.80 03:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:02 13848276 15526572 2576692 15.69 66748 1808232 808664 4.63 699264 1653784 258556 03:07:01 13314068 15189548 3110900 18.94 82688 1977356 1250668 7.16 1057404 1805760 15096 03:08:01 12285716 14301988 4139252 25.20 86588 2109908 2076872 11.89 1965096 1914552 5732 03:09:01 12886216 15483864 3538752 21.54 90456 2678364 825404 4.72 1006260 2258708 477452 Average: 13083569 15125493 3341399 20.34 81620 2143465 1240402 7.10 1182006 1908201 189209 03:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:02 ens3 96.95 70.74 1314.15 9.49 0.00 0.00 0.00 0.00 03:06:02 lo 1.13 1.13 0.14 0.14 0.00 0.00 0.00 0.00 03:07:01 ens3 286.38 249.06 1361.50 68.62 0.00 0.00 0.00 0.00 03:07:01 lo 0.68 0.68 0.06 0.06 0.00 0.00 0.00 0.00 03:08:01 ens3 1189.65 800.23 2035.21 334.10 0.00 0.00 0.00 0.00 03:08:01 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 03:09:01 ens3 371.20 293.10 774.04 1820.58 0.00 0.00 0.00 0.00 03:09:01 lo 2.88 2.88 0.26 0.26 0.00 0.00 0.00 0.00 Average: ens3 486.88 353.72 1371.27 560.24 0.00 0.00 0.00 0.00 Average: lo 1.23 1.23 0.12 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-30) 09/11/26 _x86_64_ (4 CPU) 03:04:36 LINUX RESTART (4 CPU) 03:05:01 CPU %user %nice %system %iowait %steal %idle 03:06:02 all 15.83 0.00 1.04 4.48 0.01 78.64 03:06:02 0 39.85 0.00 2.40 1.00 0.02 56.74 03:06:02 1 18.20 0.00 1.10 0.47 0.02 80.22 03:06:02 2 4.04 0.00 0.18 3.71 0.00 92.06 03:06:02 3 1.31 0.00 0.49 12.79 0.00 85.42 03:07:01 all 20.51 0.00 1.81 0.58 0.02 77.08 03:07:01 0 29.28 0.00 1.39 0.05 0.02 69.26 03:07:01 1 16.14 0.00 1.96 0.37 0.00 81.53 03:07:01 2 17.24 0.00 1.82 0.49 0.02 80.43 03:07:01 3 19.37 0.00 2.04 1.43 0.02 77.14 03:08:01 all 34.52 0.00 5.73 0.07 0.03 59.65 03:08:01 0 29.37 0.00 7.55 0.00 0.03 63.05 03:08:01 1 30.49 0.00 4.84 0.13 0.03 64.50 03:08:01 2 29.89 0.00 8.59 0.00 0.02 61.50 03:08:01 3 48.35 0.00 1.94 0.12 0.05 49.54 03:09:01 all 40.98 0.00 2.26 0.10 0.03 56.62 03:09:01 0 43.67 0.00 2.55 0.10 0.03 53.65 03:09:01 1 37.36 0.00 2.59 0.08 0.02 59.95 03:09:01 2 43.54 0.00 2.49 0.02 0.02 53.93 03:09:01 3 39.33 0.00 1.46 0.22 0.03 58.96 Average: all 27.97 0.00 2.71 1.31 0.02 67.98 Average: 0 35.57 0.00 3.48 0.29 0.03 60.64 Average: 1 25.58 0.00 2.62 0.26 0.02 71.51 Average: 2 23.61 0.00 3.27 1.07 0.01 72.04 Average: 3 27.14 0.00 1.48 3.64 0.03 67.72