---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1837 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 9.9G 68G 13% / 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 648 11076 4 4265 14998 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:6c:09:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.12/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84711sec preferred_lft 84711sec inet6 fe80::f816:3eff:fe6c:952/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:6a:9f:bf:74:2d 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-1837) 04/10/26 _x86_64_ (4 CPU) 20:53:21 LINUX RESTART (4 CPU) 21:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 57.69 2.59 34.73 20.37 143.71 4207.86 256396.09 21:20:11 32.23 0.30 26.66 5.27 11.89 3384.15 5334.79 Average: 44.76 1.43 30.63 12.70 76.76 3789.49 128879.99 21:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 10358836 13734028 2225772 13.59 156172 3338636 2481912 14.25 581412 5052252 131116 21:20:11 11399524 15404220 549844 3.36 198864 3870444 1109556 6.37 788540 3720812 76 Average: 10879180 14569124 1387808 8.48 177518 3604540 1795734 10.31 684976 4386532 65596 21:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 3758.46 3758.46 3584.28 3584.28 0.00 0.00 0.00 0.00 21:10:01 ens3 154.06 117.09 774.58 29.76 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:11 lo 2287.55 2287.55 2166.80 2166.80 0.00 0.00 0.00 0.00 21:20:11 ens3 115.06 112.10 121.48 165.44 0.00 0.00 0.00 0.00 21:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3011.37 3011.37 2864.33 2864.33 0.00 0.00 0.00 0.00 Average: ens3 134.25 114.55 442.87 98.68 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-1837) 04/10/26 _x86_64_ (4 CPU) 20:53:21 LINUX RESTART (4 CPU) 21:00:10 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 58.52 0.00 3.41 0.12 0.09 37.86 21:10:01 0 58.61 0.00 3.65 0.11 0.09 37.54 21:10:01 1 57.16 0.00 3.35 0.18 0.09 39.22 21:10:01 2 58.81 0.00 3.37 0.11 0.09 37.61 21:10:01 3 59.50 0.00 3.26 0.07 0.09 37.09 21:20:11 all 43.24 0.00 2.37 0.08 0.08 54.23 21:20:11 0 40.91 0.00 2.30 0.14 0.08 56.57 21:20:11 1 43.15 0.00 2.20 0.08 0.08 54.50 21:20:11 2 42.23 0.00 2.40 0.04 0.08 55.25 21:20:11 3 46.69 0.00 2.57 0.05 0.09 50.60 Average: all 50.76 0.00 2.88 0.10 0.09 46.18 Average: 0 49.61 0.00 2.96 0.13 0.09 47.21 Average: 1 50.04 0.00 2.77 0.13 0.09 46.98 Average: 2 50.39 0.00 2.88 0.08 0.08 46.57 Average: 3 52.99 0.00 2.91 0.06 0.09 43.95