---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53664 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 616 10643 4 4729 15030 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:2e:64:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.41/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84813sec preferred_lft 84813sec inet6 fe80::f816:3eff:fe2e:64d9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:39:aa:de:59:46 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-53664) 03/05/26 _x86_64_ (4 CPU) 09:36:10 LINUX RESTART (4 CPU) 09:40:42 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:14 3.63 0.11 3.35 0.16 9.27 520.91 226.75 10:00:14 13.85 0.52 12.32 1.01 19.09 2021.56 5108.90 Average: 8.86 0.32 7.95 0.59 14.30 1289.54 2727.37 09:40:42 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:14 8107944 11017796 4946036 30.21 111940 2965836 5142168 29.52 489340 7441536 3608 10:00:14 9953120 13410108 2549820 15.57 131788 3459804 2757528 15.83 674612 5379828 111968 Average: 9030532 12213952 3747928 22.89 121864 3212820 3949848 22.67 581976 6410682 57788 09:40:42 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:14 lo 0.61 0.61 0.40 0.40 0.00 0.00 0.00 0.00 09:50:14 ens3 8.55 7.31 36.55 2.12 0.00 0.00 0.00 0.00 09:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:14 lo 410.37 410.37 390.73 390.73 0.00 0.00 0.00 0.00 10:00:14 ens3 37.56 27.11 409.18 3.78 0.00 0.00 0.00 0.00 10:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 210.49 210.49 200.32 200.32 0.00 0.00 0.00 0.00 Average: ens3 23.41 17.45 227.41 2.97 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-53664) 03/05/26 _x86_64_ (4 CPU) 09:36:10 LINUX RESTART (4 CPU) 09:40:42 CPU %user %nice %system %iowait %steal %idle 09:50:14 all 47.20 0.00 0.63 0.02 0.07 52.08 09:50:14 0 59.92 0.00 0.54 0.01 0.07 39.46 09:50:14 1 40.52 0.00 0.68 0.02 0.07 58.71 09:50:14 2 47.57 0.00 0.68 0.02 0.07 51.66 09:50:14 3 40.78 0.00 0.62 0.02 0.07 58.52 10:00:14 all 57.74 0.00 1.12 0.04 0.08 41.01 10:00:14 0 75.03 0.00 1.13 0.02 0.08 23.74 10:00:14 1 59.63 0.00 1.13 0.05 0.08 39.11 10:00:14 2 50.40 0.00 1.02 0.05 0.08 48.46 10:00:14 3 45.94 0.00 1.22 0.06 0.08 52.69 Average: all 52.60 0.00 0.88 0.03 0.07 46.41 Average: 0 67.66 0.00 0.84 0.01 0.08 31.41 Average: 1 50.31 0.00 0.91 0.03 0.08 48.67 Average: 2 49.02 0.00 0.85 0.03 0.07 50.02 Average: 3 43.43 0.00 0.93 0.04 0.07 55.53