---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-572 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: 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 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 7.6G 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 465 5359 0 2151 7232 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:0d:52:3e brd ff:ff:ff:ff:ff:ff inet 10.32.6.159/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86107sec preferred_lft 86107sec inet6 fe80::f816:3eff:fe0d:523e/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-572) 12/15/25 _x86_64_ (4 CPU) 07:04:45 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 107.75 53.93 53.82 3539.35 5310.50 07:07:01 88.22 30.57 57.65 1730.15 10336.82 07:08:01 59.91 7.88 52.02 468.19 6930.84 07:09:01 22.86 1.52 21.35 74.52 4739.61 Average: 69.61 23.45 46.16 1451.98 6814.71 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5956176 7387828 2211244 27.07 37792 1573104 720980 7.82 615580 1430900 91740 07:07:01 5596052 7300468 2571368 31.48 57424 1810596 851792 9.24 720276 1654440 104744 07:08:01 5436524 7347656 2730896 33.44 63180 2006884 738772 8.02 783404 1741104 127652 07:09:01 5508420 7423572 2659000 32.56 65048 2008788 667752 7.25 715352 1736912 9592 Average: 5624293 7364881 2543127 31.14 55861 1849843 744824 8.08 708653 1640839 83432 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:06:02 ens3 426.02 228.77 1466.01 66.45 0.00 0.00 0.00 0.00 07:07:01 lo 1.49 1.49 0.14 0.14 0.00 0.00 0.00 0.00 07:07:01 ens3 91.20 58.53 446.76 17.63 0.00 0.00 0.00 0.00 07:08:01 lo 0.43 0.43 0.04 0.04 0.00 0.00 0.00 0.00 07:08:01 ens3 214.11 239.49 1235.25 38.60 0.00 0.00 0.00 0.00 07:09:01 lo 1.67 1.67 0.14 0.14 0.00 0.00 0.00 0.00 07:09:01 ens3 56.89 63.12 28.86 600.85 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 197.51 147.86 795.70 181.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-572) 12/15/25 _x86_64_ (4 CPU) 07:04:45 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 22.72 0.00 1.87 4.02 2.70 68.68 07:06:02 0 11.25 0.00 1.37 2.99 1.98 82.41 07:06:02 1 32.74 0.00 1.88 1.71 2.31 61.37 07:06:02 2 17.62 0.00 2.23 7.43 3.80 68.93 07:06:02 3 29.41 0.00 1.96 3.96 2.69 61.98 07:07:01 all 22.56 0.00 1.58 2.81 2.01 71.04 07:07:01 0 10.93 0.00 1.05 2.36 1.53 84.13 07:07:01 1 24.99 0.00 1.93 2.43 1.93 68.72 07:07:01 2 17.10 0.00 1.21 5.76 2.05 73.88 07:07:01 3 37.21 0.00 2.16 0.66 2.53 57.44 07:08:01 all 33.03 0.00 1.75 1.20 3.67 60.34 07:08:01 0 20.48 0.00 1.19 2.13 2.92 73.27 07:08:01 1 30.60 0.00 2.07 0.66 3.70 62.97 07:08:01 2 55.20 0.00 1.69 1.31 3.83 37.98 07:08:01 3 25.94 0.00 2.08 0.68 4.23 67.08 07:09:01 all 20.66 0.00 0.95 0.98 1.05 76.36 07:09:01 0 5.78 0.00 0.60 0.60 0.65 92.37 07:09:01 1 5.73 0.00 0.63 0.30 0.38 92.97 07:09:01 2 14.74 0.00 1.08 2.60 0.97 80.62 07:09:01 3 56.48 0.00 1.46 0.47 2.23 39.37 Average: all 24.76 0.00 1.54 2.25 2.36 69.08 Average: 0 12.13 0.00 1.05 2.02 1.77 83.02 Average: 1 23.49 0.00 1.62 1.27 2.08 71.54 Average: 2 26.19 0.00 1.56 4.28 2.67 65.31 Average: 3 37.23 0.00 1.91 1.44 2.92 56.49