---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-28711 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 18G 138G 12% / 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 754 18940 4 12396 30870 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:45:f4:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.247/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84579sec preferred_lft 84579sec inet6 fe80::f816:3eff:fe45:f467/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:7c:c5:06:3b:6a 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 inet6 fe80::b47c:c5ff:fe06:3b6a/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-28711) 06/20/26 _x86_64_ (8 CPU) 00:00:32 LINUX RESTART (8 CPU) 00:10:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 24.31 0.50 23.25 0.56 17.93 15677.16 474.61 00:30:12 43.88 2.03 40.56 1.30 311.33 10235.57 14195.73 Average: 34.32 1.28 32.10 0.94 167.96 12894.64 7490.81 00:10:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 18973656 27939528 4348052 13.23 193416 8822604 4501028 13.27 2177668 11035344 612 00:30:12 19481256 31696548 573868 1.75 232980 11881552 1252976 3.69 3188012 9352768 115704 Average: 19227456 29818038 2460960 7.49 213198 10352078 2877002 8.48 2682840 10194056 58158 00:10:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 250.53 250.53 245.01 245.01 0.00 0.00 0.00 0.00 00:20:01 ens3 62.69 51.62 328.91 13.50 0.00 0.00 0.00 0.00 00:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:12 lo 15.64 15.64 1.77 1.77 0.00 0.00 0.00 0.00 00:30:12 ens3 194.21 203.82 513.24 2707.53 0.00 0.00 0.00 0.00 00:30:12 docker0 82.77 79.72 1351.67 10.39 0.00 0.00 0.00 0.00 Average: lo 130.42 130.42 120.63 120.63 0.00 0.00 0.00 0.00 Average: ens3 129.94 129.45 423.16 1391.08 0.00 0.00 0.00 0.00 Average: docker0 42.32 40.77 691.17 5.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-28711) 06/20/26 _x86_64_ (8 CPU) 00:00:32 LINUX RESTART (8 CPU) 00:10:17 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 28.00 0.00 1.22 0.28 0.06 70.43 00:20:01 0 22.83 0.00 1.20 0.09 0.06 75.83 00:20:01 1 32.05 0.00 1.49 0.20 0.06 66.21 00:20:01 2 29.10 0.00 1.21 0.14 0.07 69.48 00:20:01 3 28.02 0.00 1.43 0.30 0.06 70.19 00:20:01 4 29.72 0.00 1.06 0.07 0.07 69.09 00:20:01 5 25.59 0.00 1.09 0.41 0.06 72.84 00:20:01 6 21.14 0.00 1.02 0.72 0.07 77.06 00:20:01 7 35.55 0.00 1.29 0.34 0.06 62.75 00:30:12 all 11.72 0.00 1.00 0.17 0.05 87.07 00:30:12 0 9.74 0.00 0.78 0.08 0.04 89.36 00:30:12 1 7.01 0.00 0.51 0.18 0.05 92.26 00:30:12 2 5.34 0.00 0.57 0.44 0.04 93.60 00:30:12 3 14.13 0.00 1.78 0.20 0.05 83.85 00:30:12 4 15.79 0.00 1.90 0.04 0.05 82.21 00:30:12 5 18.75 0.00 1.09 0.29 0.07 79.80 00:30:12 6 14.12 0.00 0.73 0.03 0.04 85.07 00:30:12 7 8.89 0.00 0.63 0.07 0.06 90.35 Average: all 19.67 0.00 1.11 0.22 0.06 78.95 Average: 0 16.12 0.00 0.98 0.08 0.05 82.76 Average: 1 19.22 0.00 0.99 0.19 0.06 79.55 Average: 2 16.94 0.00 0.88 0.29 0.05 81.82 Average: 3 20.91 0.00 1.61 0.25 0.05 77.18 Average: 4 22.59 0.00 1.49 0.05 0.06 75.81 Average: 5 22.09 0.00 1.09 0.35 0.06 76.40 Average: 6 17.54 0.00 0.87 0.37 0.05 81.16 Average: 7 21.92 0.00 0.95 0.20 0.06 76.87