---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65989 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 12G 66G 16% / 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 666 8809 4 6513 14980 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:05:ba:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.69/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84511sec preferred_lft 84511sec inet6 fe80::f816:3eff:fe05:ba89/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:7d:05:07:2f:8d 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-65989) 04/02/26 _x86_64_ (4 CPU) 09:48:28 LINUX RESTART (4 CPU) 09:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:07 38.14 3.82 31.19 3.13 193.58 5303.08 7122.33 10:10:07 32.93 0.01 29.70 3.22 0.21 2601.03 9808.07 Average: 35.55 1.93 30.45 3.18 97.42 3959.44 8457.86 09:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:07 9461452 12947288 3011648 18.39 134492 3477828 3124412 17.93 672068 5858960 24292 10:10:07 9155452 13215868 2738964 16.73 158228 3988504 2866580 16.45 815824 5969376 165432 Average: 9308452 13081578 2875306 17.56 146360 3733166 2995496 17.19 743946 5914168 94862 09:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:07 lo 1458.55 1458.55 1383.97 1383.97 0.00 0.00 0.00 0.00 10:00:07 ens3 100.73 78.86 984.80 14.83 0.00 0.00 0.00 0.00 10:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:07 lo 1571.87 1571.87 1497.92 1497.92 0.00 0.00 0.00 0.00 10:10:07 ens3 23.49 20.39 39.94 6.10 0.00 0.00 0.00 0.00 10:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1514.90 1514.90 1440.64 1440.64 0.00 0.00 0.00 0.00 Average: ens3 62.32 49.79 514.95 10.49 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-65989) 04/02/26 _x86_64_ (4 CPU) 09:48:28 LINUX RESTART (4 CPU) 09:50:00 CPU %user %nice %system %iowait %steal %idle 10:00:07 all 69.87 0.00 2.52 0.11 0.09 27.42 10:00:07 0 69.26 0.00 2.59 0.15 0.09 27.92 10:00:07 1 70.21 0.00 2.62 0.11 0.09 26.96 10:00:07 2 71.31 0.00 2.65 0.07 0.09 25.88 10:00:07 3 68.69 0.00 2.22 0.09 0.09 28.91 10:10:07 all 63.89 0.00 2.46 0.08 0.08 33.49 10:10:07 0 63.65 0.00 2.77 0.08 0.08 33.42 10:10:07 1 66.63 0.00 2.27 0.11 0.08 30.90 10:10:07 2 63.08 0.00 2.33 0.07 0.08 34.43 10:10:07 3 62.19 0.00 2.46 0.05 0.08 35.22 Average: all 66.89 0.00 2.49 0.09 0.09 30.44 Average: 0 66.47 0.00 2.67 0.11 0.09 30.65 Average: 1 68.43 0.00 2.45 0.11 0.09 28.92 Average: 2 67.21 0.00 2.49 0.07 0.09 30.14 Average: 3 65.46 0.00 2.34 0.07 0.09 32.04