---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1125 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 23G 133G 15% / 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 838 14498 4 16754 30785 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:c5:ae:9b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.208/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84320sec preferred_lft 84320sec inet6 fe80::f816:3eff:fec5:ae9b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:d9:31:73:80:5f 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::80d9:31ff:fe73:805f/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1125) 03/11/26 _x86_64_ (8 CPU) 09:43:35 LINUX RESTART (8 CPU) 09:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:00 54.51 1.19 50.95 2.37 62.23 21880.11 211566.19 10:10:03 277.04 0.22 269.10 7.71 3.67 28338.60 191746.58 Average: 166.45 0.70 160.69 5.05 32.77 25128.95 201596.27 09:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:00 22099780 29757460 2535776 7.72 160916 7595644 2727172 8.04 2462916 7667524 128 10:10:03 14024108 29679988 2544592 7.74 455396 14544624 2698348 7.96 4290992 13077044 974272 Average: 18061944 29718724 2540184 7.73 308156 11070134 2712760 8.00 3376954 10372284 487200 09:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:00 lo 1.52 1.52 0.92 0.92 0.00 0.00 0.00 0.00 10:00:00 ens3 59.32 48.78 768.28 10.31 0.00 0.00 0.00 0.00 10:00:00 docker0 3.08 3.89 0.29 88.51 0.00 0.00 0.00 0.00 10:10:03 lo 1.09 1.09 0.16 0.16 0.00 0.00 0.00 0.00 10:10:03 ens3 127.72 94.21 1795.23 14.35 0.00 0.00 0.00 0.00 10:10:03 docker0 3.99 5.51 0.38 108.40 0.00 0.00 0.00 0.00 Average: lo 1.30 1.30 0.54 0.54 0.00 0.00 0.00 0.00 Average: ens3 93.73 71.63 1284.87 12.35 0.00 0.00 0.00 0.00 Average: docker0 3.54 4.71 0.34 98.52 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1125) 03/11/26 _x86_64_ (8 CPU) 09:43:35 LINUX RESTART (8 CPU) 09:50:03 CPU %user %nice %system %iowait %steal %idle 10:00:00 all 30.03 0.00 1.53 1.72 0.08 66.64 10:00:00 0 32.61 0.00 1.89 2.63 0.08 62.79 10:00:00 1 33.80 0.00 1.71 3.64 0.09 60.77 10:00:00 2 30.47 0.00 1.39 1.83 0.08 66.23 10:00:00 3 25.97 0.00 1.25 0.52 0.08 72.18 10:00:00 4 25.20 0.00 1.45 1.05 0.07 72.24 10:00:00 5 33.10 0.00 1.56 2.06 0.08 63.20 10:00:00 6 29.62 0.00 1.42 1.53 0.07 67.37 10:00:00 7 29.51 0.00 1.62 0.48 0.07 68.32 10:10:03 all 12.75 0.00 2.37 3.15 0.07 81.66 10:10:03 0 11.97 0.00 2.41 3.90 0.07 81.65 10:10:03 1 16.62 0.00 2.61 2.46 0.07 78.24 10:10:03 2 11.56 0.00 1.68 7.07 0.06 79.64 10:10:03 3 11.95 0.00 2.25 4.75 0.06 80.98 10:10:03 4 10.55 0.00 2.33 1.42 0.06 85.64 10:10:03 5 11.89 0.00 2.94 1.98 0.07 83.12 10:10:03 6 15.40 0.00 1.98 1.77 0.06 80.79 10:10:03 7 12.07 0.00 2.79 1.82 0.07 83.26 Average: all 21.35 0.00 1.96 2.44 0.07 74.19 Average: 0 22.23 0.00 2.15 3.27 0.08 72.27 Average: 1 25.17 0.00 2.16 3.05 0.08 69.55 Average: 2 20.96 0.00 1.53 4.47 0.07 72.97 Average: 3 18.93 0.00 1.75 2.65 0.07 76.60 Average: 4 17.84 0.00 1.89 1.23 0.06 78.97 Average: 5 22.44 0.00 2.26 2.02 0.08 73.21 Average: 6 22.47 0.00 1.70 1.65 0.07 74.11 Average: 7 20.74 0.00 2.21 1.15 0.07 75.83