---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-29941 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 17G 139G 11% / 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 775 19444 4 11873 30849 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:35:40:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84501sec preferred_lft 84501sec inet6 fe80::f816:3eff:fe35:408f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:10:5e:27:f1:e9 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::e010:5eff:fe27:f1e9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-29941) 06/24/26 _x86_64_ (8 CPU) 00:23:21 LINUX RESTART (8 CPU) 00:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:01 11.98 0.05 11.50 0.43 1.90 4208.93 149.76 00:50:02 41.59 2.22 38.29 1.08 328.04 20442.24 2673.75 Average: 26.88 1.14 24.99 0.76 166.07 12380.19 1420.24 00:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:01 22043960 28792660 3505704 10.67 169584 6708540 3593724 10.60 1702052 8557840 1485956 00:50:02 20149240 31618744 656240 2.00 228232 11170172 1436664 4.24 3012552 8891792 288 Average: 21096600 30205702 2080972 6.33 198908 8939356 2515194 7.42 2357302 8724816 743122 00:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:01 lo 1.57 1.57 0.14 0.14 0.00 0.00 0.00 0.00 00:40:01 ens3 68.57 55.18 238.55 13.74 0.00 0.00 0.00 0.00 00:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:02 lo 217.65 217.65 212.94 212.94 0.00 0.00 0.00 0.00 00:50:02 ens3 109.54 96.55 338.82 1274.20 0.00 0.00 0.00 0.00 00:50:02 docker0 66.49 65.56 1264.77 7.80 0.00 0.00 0.00 0.00 00:50:02 veth8589bdf 66.48 65.57 1265.68 7.80 0.00 0.00 0.00 0.10 Average: lo 110.33 110.33 107.26 107.26 0.00 0.00 0.00 0.00 Average: ens3 89.19 76.00 289.02 648.21 0.00 0.00 0.00 0.00 Average: docker0 33.47 33.00 636.64 3.93 0.00 0.00 0.00 0.00 Average: veth8589bdf 33.46 33.00 637.10 3.93 0.00 0.00 0.00 0.05 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-29941) 06/24/26 _x86_64_ (8 CPU) 00:23:21 LINUX RESTART (8 CPU) 00:30:08 CPU %user %nice %system %iowait %steal %idle 00:40:01 all 35.26 0.00 1.29 0.27 0.07 63.11 00:40:01 0 28.67 0.00 1.14 0.01 0.07 70.12 00:40:01 1 35.32 0.00 1.21 0.11 0.08 63.28 00:40:01 2 43.33 0.00 1.61 0.02 0.08 54.96 00:40:01 3 36.86 0.00 1.27 0.05 0.08 61.74 00:40:01 4 34.96 0.00 1.22 0.07 0.08 63.68 00:40:01 5 35.46 0.00 1.38 0.07 0.07 63.01 00:40:01 6 32.08 0.00 1.26 1.68 0.07 64.91 00:40:01 7 35.40 0.00 1.20 0.14 0.08 63.18 00:50:02 all 14.24 0.00 1.10 1.40 0.05 83.20 00:50:02 0 14.29 0.00 1.33 0.38 0.05 83.96 00:50:02 1 15.37 0.00 1.39 1.09 0.06 82.09 00:50:02 2 11.03 0.00 0.86 5.92 0.05 82.13 00:50:02 3 18.61 0.00 1.36 0.35 0.05 79.63 00:50:02 4 14.42 0.00 0.90 1.57 0.05 83.06 00:50:02 5 9.67 0.00 0.65 0.83 0.05 88.81 00:50:02 6 13.13 0.00 0.70 0.49 0.05 85.64 00:50:02 7 17.43 0.00 1.63 0.62 0.06 80.26 Average: all 24.68 0.00 1.19 0.84 0.06 73.22 Average: 0 21.44 0.00 1.24 0.19 0.06 77.08 Average: 1 25.28 0.00 1.30 0.60 0.07 72.75 Average: 2 27.08 0.00 1.24 2.99 0.06 68.63 Average: 3 27.66 0.00 1.32 0.20 0.06 70.75 Average: 4 24.61 0.00 1.05 0.83 0.06 73.44 Average: 5 22.47 0.00 1.01 0.45 0.06 76.01 Average: 6 22.53 0.00 0.98 1.08 0.06 75.35 Average: 7 26.34 0.00 1.42 0.39 0.07 71.78