---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-19822 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 Stepping: 0 BogoMIPS: 5600.00 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 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 11G 145G 7% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 712 26497 4 4882 30912 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:4c:9c:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.168/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84874sec preferred_lft 84874sec inet6 fe80::f816:3eff:fe4c:9c55/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:06:d7:1d:ed:2f brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-19822) 05/25/26 _x86_64_ (8 CPU) 08:17:56 LINUX RESTART (8 CPU) 08:20:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:05 1.22 0.04 1.17 0.01 1.91 15.24 221.83 08:40:01 54.49 3.62 49.19 1.68 231.10 10616.05 5097.67 Average: 27.77 1.83 25.10 0.84 116.11 5297.61 2651.45 08:20:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:05 30234956 31881620 505080 1.54 59576 1924908 1520156 4.48 199872 2137312 208 08:40:01 22925096 27368860 4937692 15.03 203712 4405484 5221824 15.40 610612 8792976 75508 Average: 26580026 29625240 2721386 8.28 131644 3165196 3370990 9.94 405242 5465144 37858 08:20:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:05 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 08:30:05 ens3 0.45 0.11 0.09 0.04 0.00 0.00 0.00 0.00 08:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 0.68 0.68 0.07 0.07 0.00 0.00 0.00 0.00 08:40:01 ens3 170.94 136.58 1002.56 35.61 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.39 0.39 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 85.40 68.12 499.62 17.76 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-19822) 05/25/26 _x86_64_ (8 CPU) 08:17:56 LINUX RESTART (8 CPU) 08:20:05 CPU %user %nice %system %iowait %steal %idle 08:30:05 all 0.12 0.00 0.03 0.02 0.01 99.84 08:30:05 0 0.03 0.00 0.03 0.00 0.00 99.94 08:30:05 1 0.04 0.00 0.03 0.03 0.01 99.88 08:30:05 2 0.76 0.00 0.02 0.00 0.01 99.21 08:30:05 3 0.03 0.00 0.03 0.02 0.01 99.92 08:30:05 4 0.01 0.00 0.01 0.00 0.00 99.97 08:30:05 5 0.02 0.00 0.05 0.00 0.01 99.92 08:30:05 6 0.01 0.00 0.02 0.07 0.00 99.90 08:30:05 7 0.03 0.00 0.03 0.00 0.01 99.94 08:40:01 all 24.26 0.00 1.08 0.16 0.06 74.44 08:40:01 0 23.73 0.00 1.20 0.13 0.06 74.87 08:40:01 1 25.73 0.00 1.15 0.08 0.06 72.98 08:40:01 2 27.00 0.00 1.26 0.17 0.06 71.51 08:40:01 3 28.61 0.00 1.07 0.04 0.06 70.21 08:40:01 4 24.86 0.00 1.06 0.45 0.06 73.57 08:40:01 5 21.22 0.00 0.96 0.07 0.06 77.68 08:40:01 6 23.70 0.00 0.98 0.12 0.06 75.14 08:40:01 7 19.20 0.00 0.94 0.25 0.06 79.54 Average: all 12.13 0.00 0.55 0.09 0.03 87.19 Average: 0 11.83 0.00 0.62 0.07 0.03 87.45 Average: 1 12.84 0.00 0.59 0.06 0.04 86.48 Average: 2 13.79 0.00 0.64 0.08 0.03 85.45 Average: 3 14.26 0.00 0.55 0.03 0.03 85.12 Average: 4 12.38 0.00 0.53 0.22 0.03 86.84 Average: 5 10.57 0.00 0.50 0.04 0.03 88.86 Average: 6 11.81 0.00 0.50 0.10 0.03 87.57 Average: 7 9.57 0.00 0.48 0.13 0.03 89.79