---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-450755 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 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 660 9239 4 6089 14986 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:aa:54:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.54/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84600sec preferred_lft 84600sec inet6 fe80::f816:3eff:feaa:5427/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:7f:50:16:65:53 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-450755) 03/12/26 _x86_64_ (4 CPU) 09:20:30 LINUX RESTART (4 CPU) 09:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:01 8.91 0.08 7.45 1.38 3.05 657.17 27991.21 09:50:02 54.41 0.37 35.18 18.86 14.25 8191.25 244665.46 Average: 31.68 0.23 21.33 10.13 8.66 4428.06 136439.25 09:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:01 9440608 13446144 2510332 15.33 144540 3957700 3109904 17.85 858176 5648652 282984 09:50:02 9429280 15311132 634848 3.88 174564 5720312 1146612 6.58 1740792 4686096 10752 Average: 9434944 14378638 1572590 9.60 159552 4839006 2128258 12.22 1299484 5167374 146868 09:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:01 lo 51.78 51.78 13.85 13.85 0.00 0.00 0.00 0.00 09:40:01 ens3 24.64 16.37 231.87 3.46 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:02 lo 2270.14 2270.14 2183.93 2183.93 0.00 0.00 0.00 0.00 09:50:02 ens3 112.78 108.70 256.57 924.36 0.00 0.00 0.00 0.00 09:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1162.09 1162.09 1100.00 1100.00 0.00 0.00 0.00 0.00 Average: ens3 68.75 62.59 244.23 464.38 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-450755) 03/12/26 _x86_64_ (4 CPU) 09:20:30 LINUX RESTART (4 CPU) 09:30:01 CPU %user %nice %system %iowait %steal %idle 09:40:01 all 17.96 0.00 0.82 0.06 0.10 81.06 09:40:01 0 18.52 0.00 0.93 0.10 0.10 80.35 09:40:01 1 16.93 0.00 0.76 0.03 0.10 82.19 09:40:01 2 18.35 0.00 0.88 0.08 0.10 80.59 09:40:01 3 18.04 0.00 0.71 0.04 0.10 81.12 09:50:02 all 50.14 0.00 2.58 0.15 0.09 47.05 09:50:02 0 49.30 0.00 2.66 0.18 0.09 47.77 09:50:02 1 51.03 0.00 3.05 0.28 0.09 45.56 09:50:02 2 53.60 0.00 2.57 0.06 0.10 43.67 09:50:02 3 46.63 0.00 2.02 0.08 0.08 51.18 Average: all 34.05 0.00 1.70 0.10 0.09 64.06 Average: 0 33.91 0.00 1.79 0.14 0.09 64.06 Average: 1 33.98 0.00 1.90 0.15 0.09 63.87 Average: 2 35.97 0.00 1.73 0.07 0.10 62.14 Average: 3 32.33 0.00 1.37 0.06 0.09 66.16