---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3584 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): 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: 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: 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 11G 68G 14% / 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 685 10587 4 4716 14961 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:39:56:87 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82854sec preferred_lft 82854sec inet6 fe80::f816:3eff:fe39:5687/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:17:bb:b9:0b: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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-3584) 04/16/26 _x86_64_ (4 CPU) 08:29:30 LINUX RESTART (4 CPU) 08:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:01 10.65 5.88 4.70 0.07 1120.48 3229.71 667.86 08:50:02 1.51 0.00 1.50 0.00 0.04 17.38 0.00 09:00:02 24.39 2.21 21.57 0.60 132.61 1631.21 1674.45 09:10:00 12.94 1.92 10.48 0.54 124.45 3192.17 662.28 09:20:02 20.45 0.79 17.65 2.02 28.02 3021.74 3789.93 Average: 13.99 2.16 11.18 0.65 281.31 2217.92 1360.68 08:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:01 13808676 15551384 468160 2.86 54396 1915264 1132512 6.50 193552 2138224 8 08:50:02 13807920 15551268 468036 2.86 55016 1915280 1132512 6.50 194168 2139696 236 09:00:02 13145564 15516772 463536 2.83 96616 2468116 981448 5.63 333948 2581368 205036 09:10:00 10245304 13395660 2566056 15.67 128960 3159400 2832700 16.26 536108 5227120 23268 09:20:02 9357288 13351028 2602844 15.90 165092 3892000 2656740 15.25 753116 5804176 13604 Average: 12072950 14673222 1313726 8.02 100016 2670012 1747182 10.03 402178 3578117 48430 08:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 08:40:01 ens3 12.72 8.28 35.85 2.00 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:50:02 ens3 0.38 0.11 0.08 0.04 0.00 0.00 0.00 0.00 08:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:02 lo 0.30 0.30 0.04 0.04 0.00 0.00 0.00 0.00 09:00:02 ens3 43.32 30.32 299.69 7.05 0.00 0.00 0.00 0.00 09:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:00 lo 0.81 0.81 0.08 0.08 0.00 0.00 0.00 0.00 09:10:00 ens3 90.10 73.67 669.96 16.33 0.00 0.00 0.00 0.00 09:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:02 lo 803.96 803.96 765.68 765.68 0.00 0.00 0.00 0.00 09:20:02 ens3 81.73 60.99 324.48 17.67 0.00 0.00 0.00 0.00 09:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 161.59 161.59 153.67 153.67 0.00 0.00 0.00 0.00 Average: ens3 45.61 34.64 265.52 8.61 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-3584) 04/16/26 _x86_64_ (4 CPU) 08:29:30 LINUX RESTART (4 CPU) 08:30:00 CPU %user %nice %system %iowait %steal %idle 08:40:01 all 0.60 0.00 0.10 1.21 0.01 98.07 08:40:01 0 0.63 0.00 0.11 1.18 0.01 98.06 08:40:01 1 0.73 0.00 0.09 1.41 0.01 97.76 08:40:01 2 0.52 0.00 0.10 1.60 0.02 97.76 08:40:01 3 0.53 0.00 0.12 0.63 0.01 98.71 08:50:02 all 0.10 0.00 0.04 0.34 0.01 99.51 08:50:02 0 0.02 0.00 0.02 0.13 0.01 99.82 08:50:02 1 0.07 0.00 0.04 0.09 0.01 99.79 08:50:02 2 0.15 0.00 0.04 1.11 0.01 98.69 08:50:02 3 0.17 0.00 0.04 0.05 0.01 99.74 09:00:02 all 2.70 0.00 0.34 0.98 0.02 95.97 09:00:02 0 5.26 0.00 0.47 1.55 0.02 92.69 09:00:02 1 1.27 0.00 0.26 1.32 0.02 97.13 09:00:02 2 2.08 0.00 0.34 0.89 0.02 96.68 09:00:02 3 2.18 0.00 0.28 0.15 0.02 97.38 09:10:00 all 44.81 0.00 1.51 0.31 0.17 53.20 09:10:00 0 45.33 0.00 1.46 0.18 0.16 52.88 09:10:00 1 44.06 0.00 1.46 0.24 0.16 54.07 09:10:00 2 45.78 0.00 1.80 0.36 0.23 51.83 09:10:00 3 44.05 0.00 1.34 0.45 0.13 54.03 09:20:02 all 69.22 0.00 2.60 0.53 0.15 27.50 09:20:02 0 67.92 0.00 2.68 1.06 0.15 28.18 09:20:02 1 71.07 0.00 2.44 0.47 0.15 25.86 09:20:02 2 69.97 0.00 2.68 0.29 0.15 26.92 09:20:02 3 67.94 0.00 2.59 0.27 0.15 29.06 Average: all 23.45 0.00 0.92 0.67 0.07 74.89 Average: 0 23.81 0.00 0.95 0.82 0.07 74.35 Average: 1 23.39 0.00 0.86 0.71 0.07 74.98 Average: 2 23.67 0.00 0.99 0.85 0.08 74.40 Average: 3 22.95 0.00 0.87 0.31 0.06 75.81