---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15403 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 668 8721 4 6599 14978 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:ab:48:35 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.7/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84542sec preferred_lft 84542sec inet6 fe80::f816:3eff:feab:4835/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:b6:a5:cb:e4:9b 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-15403) 03/23/26 _x86_64_ (4 CPU) 11:05:18 LINUX RESTART (4 CPU) 11:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:06 24.49 0.31 21.36 2.82 214.36 2419.07 10484.68 11:30:06 28.82 0.04 26.01 2.77 0.83 4247.97 24815.20 Average: 26.65 0.17 23.69 2.79 107.55 3333.86 17652.63 11:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:06 9305680 13029064 2928052 17.88 143368 3692612 3106548 17.83 767320 5885128 19584 11:30:06 7262200 11960460 3992548 24.38 160596 4607668 4141944 23.77 1038748 7628204 428 Average: 8283940 12494762 3460300 21.13 151982 4150140 3624246 20.80 903034 6756666 10006 11:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:06 lo 1311.88 1311.88 1243.72 1243.72 0.00 0.00 0.00 0.00 11:20:06 ens3 31.79 25.85 79.48 7.89 0.00 0.00 0.00 0.00 11:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:06 lo 1204.69 1204.69 1140.81 1140.81 0.00 0.00 0.00 0.00 11:30:06 ens3 27.08 22.35 43.51 6.72 0.00 0.00 0.00 0.00 11:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1258.26 1258.26 1192.24 1192.24 0.00 0.00 0.00 0.00 Average: ens3 29.43 24.10 61.49 7.31 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-15403) 03/23/26 _x86_64_ (4 CPU) 11:05:18 LINUX RESTART (4 CPU) 11:10:06 CPU %user %nice %system %iowait %steal %idle 11:20:06 all 65.12 0.00 2.31 0.06 0.09 32.42 11:20:06 0 65.24 0.00 2.48 0.06 0.09 32.13 11:20:06 1 65.49 0.00 2.04 0.02 0.09 32.35 11:20:06 2 64.63 0.00 2.44 0.07 0.09 32.77 11:20:06 3 65.12 0.00 2.27 0.10 0.10 32.41 11:30:06 all 54.96 0.00 2.18 0.07 0.09 42.70 11:30:06 0 52.95 0.00 2.18 0.06 0.09 44.72 11:30:06 1 55.33 0.00 2.30 0.08 0.09 42.21 11:30:06 2 55.16 0.00 2.03 0.06 0.09 42.66 11:30:06 3 56.39 0.00 2.22 0.10 0.09 41.20 Average: all 60.04 0.00 2.24 0.07 0.09 37.56 Average: 0 59.10 0.00 2.33 0.06 0.09 38.43 Average: 1 60.41 0.00 2.17 0.05 0.09 37.28 Average: 2 59.89 0.00 2.23 0.07 0.09 37.71 Average: 3 60.76 0.00 2.24 0.10 0.09 36.81