---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54086 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 620 10569 4 4798 15026 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:e2:25:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84743sec preferred_lft 84743sec inet6 fe80::f816:3eff:fee2:25d2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:01:ea:8d:c2:c2 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-54086) 03/30/26 _x86_64_ (4 CPU) 00:25:25 LINUX RESTART (4 CPU) 00:30:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:10 3.85 0.11 3.58 0.17 8.64 515.04 402.24 00:50:07 16.22 0.52 14.54 1.16 19.11 2171.69 7572.99 Average: 10.06 0.32 9.08 0.66 13.89 1346.04 3999.20 00:30:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:10 7936560 10926120 5037264 30.77 113448 3040744 5178168 29.72 498944 7577884 5172 00:50:07 9290332 12989720 2969200 18.13 133376 3691848 3198724 18.36 715692 5984528 268156 Average: 8613446 11957920 4003232 24.45 123412 3366296 4188446 24.04 607318 6781206 136664 00:30:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:10 lo 0.59 0.59 0.38 0.38 0.00 0.00 0.00 0.00 00:40:10 ens3 7.84 6.71 35.74 2.11 0.00 0.00 0.00 0.00 00:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:07 lo 370.93 370.93 353.00 353.00 0.00 0.00 0.00 0.00 00:50:07 ens3 41.83 27.86 412.44 5.08 0.00 0.00 0.00 0.00 00:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 186.36 186.36 177.26 177.26 0.00 0.00 0.00 0.00 Average: ens3 24.89 17.32 224.70 3.60 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-54086) 03/30/26 _x86_64_ (4 CPU) 00:25:25 LINUX RESTART (4 CPU) 00:30:16 CPU %user %nice %system %iowait %steal %idle 00:40:10 all 49.13 0.00 0.67 0.02 0.07 50.10 00:40:10 0 42.65 0.00 0.73 0.06 0.08 56.48 00:40:10 1 43.61 0.00 0.61 0.01 0.07 55.70 00:40:10 2 54.62 0.00 0.67 0.01 0.07 44.63 00:40:10 3 55.65 0.00 0.67 0.01 0.08 43.59 00:50:07 all 58.26 0.00 1.17 0.05 0.09 40.43 00:50:07 0 67.70 0.00 1.33 0.04 0.09 30.84 00:50:07 1 46.80 0.00 1.32 0.05 0.09 51.74 00:50:07 2 51.06 0.00 0.94 0.03 0.08 47.89 00:50:07 3 67.52 0.00 1.09 0.08 0.08 31.23 Average: all 53.71 0.00 0.92 0.03 0.08 45.25 Average: 0 55.22 0.00 1.03 0.05 0.08 43.62 Average: 1 45.21 0.00 0.97 0.03 0.08 53.71 Average: 2 52.84 0.00 0.81 0.02 0.08 46.26 Average: 3 61.60 0.00 0.88 0.04 0.08 37.40