---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-196735 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 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 672 10318 4 4998 14974 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:5b:2d:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.155/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84284sec preferred_lft 84284sec inet6 fe80::f816:3eff:fe5b:2d2a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:c2:1c:9d:19:9f 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-196735) 03/07/26 _x86_64_ (4 CPU) 14:11:22 LINUX RESTART (4 CPU) 14:20:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:13 15.29 1.92 12.65 0.71 124.24 2607.82 485.90 14:40:10 34.74 0.80 30.24 3.69 28.45 4597.19 7833.77 Average: 24.99 1.36 21.43 2.20 76.43 3600.60 4152.80 14:20:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:13 10722552 14121572 1837424 11.22 131600 3400380 2156392 12.38 672100 4602968 23376 14:40:10 8291384 12938096 3011572 18.39 171188 4515444 3750332 21.53 1000720 6602264 22584 Average: 9506968 13529834 2424498 14.81 151394 3957912 2953362 16.95 836410 5602616 22980 14:20:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:13 lo 0.97 0.97 0.10 0.10 0.00 0.00 0.00 0.00 14:30:13 ens3 87.34 68.36 605.59 15.59 0.00 0.00 0.00 0.00 14:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:10 lo 1600.14 1600.14 1525.00 1525.00 0.00 0.00 0.00 0.00 14:40:10 ens3 100.90 76.28 471.65 19.45 0.00 0.00 0.00 0.00 14:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 799.02 799.02 761.09 761.09 0.00 0.00 0.00 0.00 Average: ens3 94.10 72.31 538.75 17.51 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-196735) 03/07/26 _x86_64_ (4 CPU) 14:11:22 LINUX RESTART (4 CPU) 14:20:14 CPU %user %nice %system %iowait %steal %idle 14:30:13 all 49.04 0.00 1.58 0.04 0.07 49.27 14:30:13 0 48.66 0.00 1.32 0.01 0.07 49.94 14:30:13 1 48.91 0.00 1.76 0.09 0.07 49.16 14:30:13 2 48.21 0.00 1.82 0.02 0.07 49.88 14:30:13 3 50.39 0.00 1.42 0.03 0.07 48.08 14:40:10 all 69.26 0.00 2.76 0.07 0.09 27.82 14:40:10 0 68.58 0.00 2.77 0.04 0.10 28.51 14:40:10 1 70.94 0.00 2.90 0.10 0.09 25.96 14:40:10 2 68.06 0.00 2.93 0.06 0.09 28.85 14:40:10 3 69.48 0.00 2.41 0.05 0.09 27.96 Average: all 59.13 0.00 2.17 0.05 0.08 38.57 Average: 0 58.60 0.00 2.04 0.03 0.08 39.24 Average: 1 59.90 0.00 2.33 0.10 0.08 37.59 Average: 2 58.12 0.00 2.38 0.04 0.08 39.39 Average: 3 59.91 0.00 1.92 0.04 0.08 38.05