---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12051 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 11G 67G 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 687 10387 4 4913 14959 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:31:b3:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.218/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82678sec preferred_lft 82678sec inet6 fe80::f816:3eff:fe31:b33c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:80:0f:cf:4b:66 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-12051) 05/08/26 _x86_64_ (4 CPU) 14:08:30 LINUX RESTART (4 CPU) 14:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:12 2.87 0.25 2.47 0.14 205.10 270.60 450.52 14:30:01 14.33 0.01 1.31 13.01 0.19 15.12 247349.83 14:40:01 33.79 2.29 30.91 0.58 135.17 2452.54 1365.52 14:50:12 15.86 2.22 12.56 1.07 135.25 3188.61 2329.91 15:00:01 32.51 0.80 27.68 4.03 27.43 4433.27 6205.57 15:10:01 2.90 0.02 2.48 0.40 2.69 76.91 1582.60 Average: 16.96 0.94 12.86 3.16 85.24 1736.89 42442.18 14:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:12 13634328 15511888 505396 3.09 55528 2047728 1140412 6.55 257408 2222796 44 14:30:01 13629052 15512024 505128 3.09 56256 2052380 1140492 6.55 262880 2223444 156 14:40:01 12535592 15148740 823240 5.03 106676 2693376 1451256 8.33 425724 3082820 86560 14:50:12 9939256 13506444 2451756 14.97 144616 3529832 2695636 15.47 695340 5339968 47724 15:00:01 10709708 15380744 570424 3.48 174756 4527384 1098456 6.31 975500 4190060 200 15:10:01 10659084 15334960 616340 3.76 176172 4530160 1114596 6.40 984900 4233844 15628 Average: 11851170 15065800 912047 5.57 119001 3230143 1440141 8.27 600292 3548822 25052 14:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:12 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 14:20:12 ens3 5.57 3.87 58.25 0.29 0.00 0.00 0.00 0.00 14:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:30:01 ens3 0.24 0.08 0.04 0.02 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 lo 0.29 0.29 0.03 0.03 0.00 0.00 0.00 0.00 14:40:01 ens3 62.86 47.77 546.17 10.19 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:12 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 14:50:12 ens3 89.93 72.56 489.41 19.94 0.00 0.00 0.00 0.00 14:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 lo 1501.81 1501.81 1428.25 1428.25 0.00 0.00 0.00 0.00 15:00:01 ens3 95.45 74.54 417.70 78.32 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 11.22 11.22 1.17 1.17 0.00 0.00 0.00 0.00 15:10:01 ens3 48.55 47.85 20.53 126.08 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 247.98 247.98 233.98 233.98 0.00 0.00 0.00 0.00 Average: ens3 50.45 41.13 255.80 38.98 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-12051) 05/08/26 _x86_64_ (4 CPU) 14:08:30 LINUX RESTART (4 CPU) 14:10:01 CPU %user %nice %system %iowait %steal %idle 14:20:12 all 0.24 0.00 0.06 0.05 0.02 99.63 14:20:12 0 0.05 0.00 0.05 0.02 0.02 99.85 14:20:12 1 0.18 0.00 0.06 0.02 0.02 99.71 14:20:12 2 0.62 0.00 0.03 0.11 0.03 99.20 14:20:12 3 0.09 0.00 0.09 0.04 0.02 99.76 14:30:01 all 0.30 0.00 0.03 0.03 0.02 99.61 14:30:01 0 0.21 0.00 0.05 0.08 0.02 99.64 14:30:01 1 0.24 0.00 0.03 0.02 0.02 99.69 14:30:01 2 0.75 0.00 0.03 0.03 0.03 99.16 14:30:01 3 0.02 0.00 0.02 0.00 0.01 99.95 14:40:01 all 3.53 0.00 0.41 0.43 0.03 95.61 14:40:01 0 2.81 0.00 0.33 0.07 0.02 96.78 14:40:01 1 3.46 0.00 0.58 0.42 0.03 95.52 14:40:01 2 4.34 0.00 0.40 0.27 0.04 94.95 14:40:01 3 3.50 0.00 0.34 0.95 0.02 95.19 14:50:12 all 74.12 0.00 2.34 0.06 0.12 23.36 14:50:12 0 70.73 0.00 2.20 0.10 0.12 26.85 14:50:12 1 77.58 0.00 2.22 0.03 0.12 20.05 14:50:12 2 74.40 0.00 2.42 0.08 0.12 22.98 14:50:12 3 73.77 0.00 2.52 0.04 0.12 23.55 15:00:01 all 54.80 0.00 2.32 0.08 0.10 42.70 15:00:01 0 51.53 0.00 2.40 0.13 0.09 45.85 15:00:01 1 56.23 0.00 2.01 0.03 0.10 41.63 15:00:01 2 55.72 0.00 2.64 0.12 0.10 41.42 15:00:01 3 55.74 0.00 2.22 0.05 0.10 41.90 15:10:01 all 4.78 0.00 0.26 0.03 0.03 94.90 15:10:01 0 2.38 0.00 0.32 0.00 0.03 97.27 15:10:01 1 1.83 0.00 0.14 0.01 0.02 98.01 15:10:01 2 4.88 0.00 0.19 0.09 0.04 94.81 15:10:01 3 10.05 0.00 0.39 0.01 0.03 89.52 Average: all 22.99 0.00 0.90 0.11 0.05 75.94 Average: 0 21.32 0.00 0.89 0.07 0.05 77.68 Average: 1 23.29 0.00 0.84 0.09 0.05 75.73 Average: 2 23.47 0.00 0.95 0.12 0.06 75.41 Average: 3 23.88 0.00 0.93 0.18 0.05 74.96