---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1230 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 7.6G 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 463 5359 0 2153 7233 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:f8:60:65 brd ff:ff:ff:ff:ff:ff inet 10.32.6.249/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86111sec preferred_lft 86111sec inet6 fe80::f816:3eff:fef8:6065/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1230) 12/20/25 _x86_64_ (4 CPU) 07:04:54 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:03 140.36 55.89 84.47 3626.60 40527.40 07:07:01 54.62 0.22 54.40 25.66 9000.97 07:08:01 94.52 37.74 56.77 2144.84 8244.63 07:09:01 23.11 1.52 21.59 75.31 4799.33 Average: 78.35 24.04 54.31 1480.22 15698.71 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:03 5996604 7419332 2170816 26.58 37044 1565296 714476 7.75 580032 1424904 86496 07:07:01 5867200 7509628 2300220 28.16 56088 1750448 595524 6.46 492644 1610016 124336 07:08:01 5474476 7384612 2692944 32.97 62932 2006212 716592 7.78 745500 1740068 117172 07:09:01 5526504 7444252 2640916 32.33 64932 2010996 658428 7.14 692728 1738896 10308 Average: 5716196 7439456 2451224 30.01 55249 1833238 671255 7.28 627726 1628471 84578 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:03 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 07:06:03 ens3 426.70 232.69 1429.93 65.94 0.00 0.00 0.00 0.00 07:07:01 lo 0.28 0.28 0.02 0.02 0.00 0.00 0.00 0.00 07:07:01 ens3 32.48 29.10 306.93 4.22 0.00 0.00 0.00 0.00 07:08:01 lo 1.63 1.63 0.16 0.16 0.00 0.00 0.00 0.00 07:08:01 ens3 276.55 279.20 1414.11 54.51 0.00 0.00 0.00 0.00 07:09:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 07:09:01 ens3 52.88 63.36 27.96 612.90 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 198.54 152.12 798.82 185.93 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1230) 12/20/25 _x86_64_ (4 CPU) 07:04:54 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:03 all 20.31 0.00 2.52 4.98 3.13 69.07 07:06:03 0 13.61 0.00 1.55 7.76 2.93 74.15 07:06:03 1 25.25 0.00 2.00 5.25 3.45 64.04 07:06:03 2 27.43 0.00 2.04 4.09 3.33 63.10 07:06:03 3 14.95 0.00 4.50 2.79 2.81 74.95 07:07:01 all 20.10 0.00 1.25 1.81 1.66 75.18 07:07:01 0 24.73 0.00 1.11 0.48 2.31 71.37 07:07:01 1 21.02 0.00 1.55 5.49 1.46 70.48 07:07:01 2 22.94 0.00 1.54 0.29 1.63 73.60 07:07:01 3 11.72 0.00 0.81 0.98 1.22 85.28 07:08:01 all 35.56 0.00 1.94 1.73 5.50 55.26 07:08:01 0 32.90 0.00 2.07 1.74 5.18 58.11 07:08:01 1 34.64 0.00 1.99 2.02 5.61 55.74 07:08:01 2 26.46 0.00 1.35 1.48 4.85 65.86 07:08:01 3 48.24 0.00 2.33 1.69 6.37 41.38 07:09:01 all 20.69 0.00 1.02 0.78 1.59 75.92 07:09:01 0 6.24 0.00 0.88 0.08 0.91 91.88 07:09:01 1 33.63 0.00 1.36 2.06 1.78 61.18 07:09:01 2 29.21 0.00 1.04 0.93 2.00 66.81 07:09:01 3 13.66 0.00 0.81 0.05 1.64 83.84 Average: all 24.22 0.00 1.69 2.33 2.98 68.77 Average: 0 19.37 0.00 1.41 2.53 2.84 73.85 Average: 1 28.71 0.00 1.73 3.69 3.09 62.78 Average: 2 26.54 0.00 1.49 1.71 2.97 67.29 Average: 3 22.29 0.00 2.12 1.38 3.03 71.17