---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-39712 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: 5599.99 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 12G 143G 8% / 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 762 24809 4 6520 30861 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:85:45:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.226/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83039sec preferred_lft 83039sec inet6 fe80::f816:3eff:fe85:45ed/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:f4:d8:0c:1d:3c 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-39712) 07/28/26 _x86_64_ (8 CPU) 10:49:20 LINUX RESTART (8 CPU) 10:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:11 4.92 0.24 4.36 0.32 27.93 803.28 21344.97 11:10:27 1.29 0.00 1.29 0.00 0.04 14.50 0.00 11:20:32 1.29 0.00 1.28 0.00 0.01 14.35 0.00 11:30:27 1.24 0.00 1.24 0.00 0.00 13.79 0.00 11:40:15 45.53 3.71 41.01 0.82 127.45 10747.47 5697.11 Average: 10.65 0.77 9.65 0.22 30.50 2269.20 5382.00 10:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:11 30021108 31878268 502224 1.53 64824 2127524 1525752 4.50 221184 2311956 52 11:10:27 30019712 31877376 503408 1.53 65276 2127536 1525816 4.50 221648 2312724 4 11:20:32 30017968 31876224 504412 1.53 65688 2127684 1525816 4.50 222088 2313684 164 11:30:27 30014628 31873288 507468 1.54 66088 2127684 1525816 4.50 222468 2314644 28 11:40:15 25715932 30318856 1992052 6.06 109816 4767652 2286296 6.74 1236592 5457304 120 Average: 29157870 31564802 801913 2.44 74338 2655616 1677899 4.95 424796 2942062 74 10:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:11 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 11:00:11 ens3 25.87 16.06 324.62 1.11 0.00 0.00 0.00 0.00 11:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:27 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:10:27 ens3 0.36 0.15 0.10 0.06 0.00 0.00 0.00 0.00 11:10:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:32 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:20:32 ens3 0.16 0.07 0.03 0.02 0.00 0.00 0.00 0.00 11:20:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:27 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:30:27 ens3 0.25 0.10 0.06 0.04 0.00 0.00 0.00 0.00 11:30:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:15 lo 157.80 157.80 193.75 193.75 0.00 0.00 0.00 0.00 11:40:15 ens3 543.01 310.60 1290.14 913.43 0.00 0.00 0.00 0.00 11:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 30.92 30.92 37.86 37.86 0.00 0.00 0.00 0.00 Average: ens3 111.43 63.97 317.04 178.72 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-39712) 07/28/26 _x86_64_ (8 CPU) 10:49:20 LINUX RESTART (8 CPU) 10:50:10 CPU %user %nice %system %iowait %steal %idle 11:00:11 all 0.25 0.00 0.07 0.08 0.01 99.59 11:00:11 0 0.33 0.00 0.12 0.01 0.01 99.53 11:00:11 1 0.11 0.00 0.05 0.02 0.00 99.81 11:00:11 2 0.17 0.00 0.07 0.09 0.01 99.65 11:00:11 3 0.74 0.00 0.08 0.01 0.01 99.16 11:00:11 4 0.20 0.00 0.08 0.35 0.01 99.36 11:00:11 5 0.09 0.00 0.06 0.07 0.01 99.77 11:00:11 6 0.19 0.00 0.05 0.01 0.00 99.74 11:00:11 7 0.19 0.00 0.07 0.05 0.01 99.68 11:10:27 all 0.05 0.00 0.01 0.01 0.01 99.93 11:10:27 0 0.01 0.00 0.00 0.00 0.00 99.98 11:10:27 1 0.01 0.00 0.01 0.02 0.00 99.95 11:10:27 2 0.02 0.00 0.04 0.00 0.02 99.92 11:10:27 3 0.09 0.00 0.01 0.00 0.01 99.89 11:10:27 4 0.01 0.00 0.01 0.02 0.00 99.95 11:10:27 5 0.03 0.00 0.02 0.00 0.01 99.94 11:10:27 6 0.00 0.00 0.00 0.00 0.00 99.99 11:10:27 7 0.20 0.00 0.01 0.00 0.00 99.78 11:20:32 all 0.06 0.00 0.01 0.00 0.01 99.91 11:20:32 0 0.01 0.00 0.01 0.00 0.00 99.98 11:20:32 1 0.03 0.00 0.03 0.00 0.02 99.92 11:20:32 2 0.01 0.00 0.02 0.01 0.01 99.96 11:20:32 3 0.35 0.00 0.01 0.00 0.00 99.63 11:20:32 4 0.01 0.00 0.01 0.02 0.00 99.95 11:20:32 5 0.01 0.00 0.02 0.00 0.01 99.95 11:20:32 6 0.00 0.00 0.00 0.00 0.00 99.99 11:20:32 7 0.05 0.00 0.01 0.00 0.00 99.94 11:30:27 all 0.03 0.00 0.02 0.03 0.01 99.91 11:30:27 0 0.01 0.00 0.01 0.01 0.00 99.97 11:30:27 1 0.01 0.00 0.02 0.00 0.01 99.96 11:30:27 2 0.03 0.00 0.05 0.00 0.02 99.91 11:30:27 3 0.17 0.00 0.01 0.00 0.01 99.81 11:30:27 4 0.01 0.00 0.01 0.23 0.00 99.75 11:30:27 5 0.01 0.00 0.02 0.04 0.01 99.93 11:30:27 6 0.01 0.00 0.01 0.00 0.00 99.98 11:30:27 7 0.00 0.00 0.01 0.00 0.00 99.98 11:40:15 all 14.19 0.00 1.01 0.29 0.06 84.45 11:40:15 0 11.99 0.00 0.92 0.12 0.05 86.92 11:40:15 1 16.83 0.00 1.20 0.76 0.06 81.15 11:40:15 2 18.14 0.00 1.10 0.06 0.06 80.64 11:40:15 3 17.49 0.00 1.30 0.43 0.06 80.72 11:40:15 4 13.23 0.00 0.93 0.34 0.06 85.43 11:40:15 5 11.13 0.00 1.11 0.23 0.05 87.48 11:40:15 6 12.74 0.00 0.65 0.19 0.05 86.37 11:40:15 7 12.02 0.00 0.90 0.15 0.05 86.88 Average: all 2.84 0.00 0.22 0.08 0.02 96.84 Average: 0 2.41 0.00 0.21 0.03 0.01 97.34 Average: 1 3.31 0.00 0.26 0.16 0.02 96.26 Average: 2 3.59 0.00 0.25 0.03 0.02 96.11 Average: 3 3.68 0.00 0.27 0.09 0.02 95.94 Average: 4 2.63 0.00 0.20 0.19 0.02 96.96 Average: 5 2.20 0.00 0.24 0.07 0.02 97.48 Average: 6 2.52 0.00 0.14 0.04 0.01 97.28 Average: 7 2.43 0.00 0.20 0.04 0.01 97.32