---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-480 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 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 665 8924 4 6399 14981 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:c9:8c:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.212/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84627sec preferred_lft 84627sec inet6 fe80::f816:3eff:fec9:8cef/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:2a:c8:26:c1:13 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-480) 01/15/26 _x86_64_ (4 CPU) 13:53:09 LINUX RESTART (4 CPU) 14:00:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:29 25.99 0.02 22.95 3.02 0.24 2134.37 24602.71 14:20:27 20.90 0.03 18.99 1.89 0.48 4049.83 16747.60 Average: 23.46 0.02 20.98 2.46 0.36 3086.22 20699.26 14:00:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:29 9649264 13280444 2677156 16.35 144196 3604936 3082396 17.69 776352 5556268 31352 14:20:27 8388692 12959504 2994352 18.29 156188 4493688 3027996 17.38 1053100 6471340 1532 Average: 9018978 13119974 2835754 17.32 150192 4049312 3055196 17.54 914726 6013804 16442 14:00:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:29 lo 1691.84 1691.84 1607.09 1607.09 0.00 0.00 0.00 0.00 14:10:29 ens3 22.21 20.02 11.21 6.48 0.00 0.00 0.00 0.00 14:10:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:27 lo 821.71 821.71 5223.85 5223.85 0.00 0.00 0.00 0.00 14:20:27 ens3 21.27 17.69 23.52 5.68 0.00 0.00 0.00 0.00 14:20:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1259.44 1259.44 3404.37 3404.37 0.00 0.00 0.00 0.00 Average: ens3 21.74 18.86 17.32 6.08 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-480) 01/15/26 _x86_64_ (4 CPU) 13:53:09 LINUX RESTART (4 CPU) 14:00:24 CPU %user %nice %system %iowait %steal %idle 14:10:29 all 66.64 0.00 2.52 0.77 0.12 29.94 14:10:29 0 65.41 0.00 2.62 0.05 0.12 31.80 14:10:29 1 64.79 0.00 2.76 0.04 0.12 32.28 14:10:29 2 67.21 0.00 2.31 1.98 0.12 28.38 14:10:29 3 69.16 0.00 2.40 1.02 0.12 27.30 14:20:27 all 53.18 0.00 1.93 0.35 0.11 44.42 14:20:27 0 51.30 0.00 2.14 0.17 0.11 46.28 14:20:27 1 52.37 0.00 1.77 0.39 0.11 45.36 14:20:27 2 57.67 0.00 1.96 0.76 0.12 39.49 14:20:27 3 51.37 0.00 1.87 0.09 0.11 46.56 Average: all 59.94 0.00 2.23 0.56 0.12 37.15 Average: 0 58.39 0.00 2.38 0.11 0.12 39.01 Average: 1 58.62 0.00 2.27 0.22 0.12 38.78 Average: 2 62.46 0.00 2.14 1.37 0.12 33.91 Average: 3 60.30 0.00 2.13 0.56 0.11 36.89