---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-466002 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 67G 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 673 9571 4 5744 14973 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:63:1b:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.216/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84684sec preferred_lft 84684sec inet6 fe80::f816:3eff:fe63:1b2f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:b3:ce:6f:d9:46 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-466002) 03/13/26 _x86_64_ (4 CPU) 22:35:09 LINUX RESTART (4 CPU) 22:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:50:06 16.60 0.06 13.43 3.10 2.32 998.58 62687.94 23:00:03 25.98 0.16 22.04 3.78 4.70 2029.26 23451.97 Average: 21.26 0.11 17.72 3.44 3.50 1511.28 43170.75 22:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:50:06 9738824 13127828 2831544 17.29 127024 3387600 3037728 17.44 663168 5576044 996 23:00:03 8400288 13091860 2861568 17.48 150164 4610716 2906764 16.68 1165012 6364896 868604 Average: 9069556 13109844 2846556 17.39 138594 3999158 2972246 17.06 914090 5970470 434800 22:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:50:06 lo 37.32 37.32 8.79 8.79 0.00 0.00 0.00 0.00 22:50:06 ens3 9.38 7.68 12.32 2.46 0.00 0.00 0.00 0.00 22:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:03 lo 1585.17 1585.17 1493.06 1493.06 0.00 0.00 0.00 0.00 23:00:03 ens3 41.57 31.27 340.21 6.84 0.00 0.00 0.00 0.00 23:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 807.27 807.27 747.11 747.11 0.00 0.00 0.00 0.00 Average: ens3 25.39 19.41 175.42 4.64 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-466002) 03/13/26 _x86_64_ (4 CPU) 22:35:09 LINUX RESTART (4 CPU) 22:40:02 CPU %user %nice %system %iowait %steal %idle 22:50:06 all 24.51 0.00 0.90 0.14 0.09 74.36 22:50:06 0 24.44 0.00 0.84 0.12 0.09 74.52 22:50:06 1 24.97 0.00 1.01 0.27 0.09 73.66 22:50:06 2 23.78 0.00 0.88 0.05 0.09 75.20 22:50:06 3 24.85 0.00 0.87 0.13 0.08 74.07 23:00:03 all 40.55 0.00 1.99 0.07 0.09 57.29 23:00:03 0 39.94 0.00 1.89 0.10 0.09 57.98 23:00:03 1 43.19 0.00 2.17 0.06 0.09 54.49 23:00:03 2 39.81 0.00 1.96 0.05 0.09 58.10 23:00:03 3 39.28 0.00 1.95 0.07 0.09 58.61 Average: all 32.49 0.00 1.44 0.11 0.09 65.88 Average: 0 32.14 0.00 1.36 0.11 0.09 66.30 Average: 1 34.03 0.00 1.59 0.16 0.09 64.13 Average: 2 31.74 0.00 1.41 0.05 0.09 66.70 Average: 3 32.03 0.00 1.41 0.10 0.09 66.38