---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38076 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 12G 66G 15% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 681 9128 4 6178 14964 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:ad:d9:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.212/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83469sec preferred_lft 83469sec inet6 fe80::f816:3eff:fead:d992/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:11:65:02:0a:8e 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-4c-4g-38076) 07/23/26 _x86_64_ (4 CPU) 11:34:23 LINUX RESTART (4 CPU) 11:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:02 23.40 1.34 21.93 0.13 97.65 792.15 1591.28 12:00:02 46.05 3.40 26.23 16.42 181.33 5170.83 293341.38 12:10:00 8.32 0.01 7.08 1.23 0.04 638.84 20877.82 12:20:02 36.77 0.44 31.68 4.65 17.89 8094.44 17715.69 Average: 28.66 1.30 21.75 5.61 74.25 3681.21 83378.51 11:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:02 12974092 15326916 667712 4.08 81008 2479488 1276320 7.33 346948 2773164 190732 12:00:02 9377092 13045740 2911908 17.78 132232 3653172 3154740 18.11 686276 5914852 2304 12:10:00 9700988 13530956 2425736 14.82 141968 3789896 2723400 15.63 720704 5528136 7552 12:20:02 9396284 15365884 579712 3.54 177416 5793516 1110996 6.38 1594328 4842648 268 Average: 10362114 14317374 1646267 10.05 133156 3929018 2066364 11.86 837064 4764700 50214 11:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:02 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 11:50:02 ens3 36.98 23.24 216.83 4.97 0.00 0.00 0.00 0.00 11:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:02 lo 13.55 13.55 2.97 2.97 0.00 0.00 0.00 0.00 12:00:02 ens3 83.38 67.41 730.39 13.35 0.00 0.00 0.00 0.00 12:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:00 lo 55.87 55.87 14.65 14.65 0.00 0.00 0.00 0.00 12:10:00 ens3 7.57 6.18 4.62 1.90 0.00 0.00 0.00 0.00 12:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:02 lo 2362.65 2362.65 2276.67 2276.67 0.00 0.00 0.00 0.00 12:20:02 ens3 93.80 76.54 472.13 161.88 0.00 0.00 0.00 0.00 12:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 610.27 610.27 575.74 575.74 0.00 0.00 0.00 0.00 Average: ens3 55.52 43.41 356.44 45.68 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-4c-4g-38076) 07/23/26 _x86_64_ (4 CPU) 11:34:23 LINUX RESTART (4 CPU) 11:40:02 CPU %user %nice %system %iowait %steal %idle 11:50:02 all 1.63 0.00 0.21 0.37 0.04 97.75 11:50:02 0 1.44 0.00 0.19 0.60 0.03 97.74 11:50:02 1 2.13 0.00 0.17 0.09 0.09 97.52 11:50:02 2 2.04 0.00 0.23 0.46 0.03 97.24 11:50:02 3 0.90 0.00 0.25 0.31 0.02 98.51 12:00:02 all 33.32 0.00 1.34 1.11 0.09 64.14 12:00:02 0 32.42 0.00 1.25 0.58 0.09 65.67 12:00:02 1 34.00 0.00 1.28 0.61 0.09 64.03 12:00:02 2 35.80 0.00 1.34 1.97 0.09 60.79 12:00:02 3 31.07 0.00 1.48 1.29 0.09 66.06 12:10:00 all 16.88 0.00 0.86 1.64 0.09 80.53 12:10:00 0 16.86 0.00 0.80 0.51 0.08 81.74 12:10:00 1 16.48 0.00 0.97 1.19 0.09 81.27 12:10:00 2 16.90 0.00 0.85 0.85 0.09 81.30 12:10:00 3 17.28 0.00 0.83 4.01 0.09 77.79 12:20:02 all 52.66 0.00 2.78 0.23 0.16 44.16 12:20:02 0 49.56 0.00 2.66 0.11 0.14 47.53 12:20:02 1 54.25 0.00 2.76 0.06 0.19 42.74 12:20:02 2 52.92 0.00 2.99 0.34 0.13 43.61 12:20:02 3 53.91 0.00 2.73 0.43 0.18 42.76 Average: all 26.13 0.00 1.30 0.84 0.09 71.64 Average: 0 25.09 0.00 1.23 0.45 0.08 73.15 Average: 1 26.71 0.00 1.29 0.48 0.11 71.39 Average: 2 26.92 0.00 1.35 0.91 0.09 70.74 Average: 3 25.81 0.00 1.32 1.51 0.09 71.26