---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1224 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 13G 66G 16% / 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 679 8610 4 6699 14966 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:23:1b:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.85/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84476sec preferred_lft 84476sec inet6 fe80::f816:3eff:fe23:1ba6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:69:eb:e4:c9:a0 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-1224) 04/08/26 _x86_64_ (4 CPU) 09:03:11 LINUX RESTART (4 CPU) 09:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:00 39.93 11.90 24.92 3.11 131.42 2342.67 14940.85 09:30:32 20.37 0.03 18.48 1.86 0.67 3662.34 10088.27 Average: 29.89 5.81 21.62 2.47 64.35 3019.66 12451.46 09:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:00 9177612 13115532 2840024 17.35 149428 3881048 3072764 17.64 826228 5950800 113964 09:30:32 5820880 10614964 5336848 32.60 164896 4684156 5292608 30.38 1094056 8970596 29628 Average: 7499246 11865248 4088436 24.97 157162 4282602 4182686 24.01 960142 7460698 71796 09:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:00 lo 1626.43 1626.43 1544.60 1544.60 0.00 0.00 0.00 0.00 09:20:00 ens3 21.04 18.42 10.58 6.33 0.00 0.00 0.00 0.00 09:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:32 lo 821.61 821.61 4712.30 4712.30 0.00 0.00 0.00 0.00 09:30:32 ens3 19.29 16.74 40.44 5.65 0.00 0.00 0.00 0.00 09:30:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1213.56 1213.56 3169.64 3169.64 0.00 0.00 0.00 0.00 Average: ens3 20.14 17.56 25.90 5.98 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-1224) 04/08/26 _x86_64_ (4 CPU) 09:03:11 LINUX RESTART (4 CPU) 09:10:00 CPU %user %nice %system %iowait %steal %idle 09:20:00 all 65.77 0.07 2.32 0.24 0.10 31.50 09:20:00 0 64.17 0.25 2.01 0.33 0.11 33.14 09:20:00 1 66.63 0.00 2.71 0.14 0.10 30.41 09:20:00 2 64.23 0.02 2.19 0.42 0.11 33.03 09:20:00 3 68.03 0.00 2.36 0.08 0.10 29.44 09:30:32 all 52.14 0.00 1.81 0.13 0.10 45.82 09:30:32 0 55.15 0.00 1.60 0.14 0.10 43.01 09:30:32 1 48.83 0.00 2.15 0.20 0.10 48.73 09:30:32 2 53.29 0.00 1.66 0.08 0.10 44.87 09:30:32 3 51.31 0.00 1.84 0.09 0.10 46.66 Average: all 58.77 0.03 2.06 0.18 0.10 38.85 Average: 0 59.54 0.12 1.80 0.23 0.10 38.20 Average: 1 57.49 0.00 2.42 0.17 0.10 39.81 Average: 2 58.62 0.01 1.92 0.24 0.10 39.11 Average: 3 59.45 0.00 2.09 0.08 0.10 38.27