---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1966 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: 5600.00 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 638 8645 4 6705 15008 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:1a:a8:de brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.72/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84696sec preferred_lft 84696sec inet6 fe80::f816:3eff:fe1a:a8de/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:53:c8:7c:1b:bc 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-1966) 01/19/26 _x86_64_ (4 CPU) 09:09:40 LINUX RESTART (4 CPU) 09:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:24 74.50 10.84 59.62 4.04 1881.04 10691.76 36548.41 09:30:22 28.64 0.01 25.63 3.00 0.20 2385.99 9952.77 Average: 52.06 5.54 42.99 3.53 960.71 6627.59 23534.66 09:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:24 9490280 13233792 2723576 16.63 134544 3741840 2943924 16.90 874168 5638032 30816 09:30:22 8807356 12977884 2975832 18.18 154164 4115812 2869728 16.47 988816 6152076 45460 Average: 9148818 13105838 2849704 17.40 144354 3928826 2906826 16.69 931492 5895054 38138 09:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:24 lo 1459.76 1459.76 1384.39 1384.39 0.00 0.00 0.00 0.00 09:20:24 ens3 150.41 108.38 1302.93 21.24 0.00 0.00 0.00 0.00 09:20:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:22 lo 1339.77 1339.77 1275.39 1275.39 0.00 0.00 0.00 0.00 09:30:22 ens3 22.81 20.86 30.67 6.63 0.00 0.00 0.00 0.00 09:30:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1401.05 1401.05 1331.05 1331.05 0.00 0.00 0.00 0.00 Average: ens3 87.97 65.56 680.39 14.09 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-1966) 01/19/26 _x86_64_ (4 CPU) 09:09:40 LINUX RESTART (4 CPU) 09:10:00 CPU %user %nice %system %iowait %steal %idle 09:20:24 all 63.80 0.00 2.88 0.49 0.10 32.72 09:20:24 0 65.98 0.00 2.61 0.29 0.11 31.02 09:20:24 1 61.06 0.00 3.09 0.82 0.10 34.92 09:20:24 2 64.49 0.00 2.94 0.32 0.10 32.14 09:20:24 3 63.68 0.00 2.88 0.52 0.10 32.81 09:30:22 all 65.53 0.00 2.37 0.07 0.10 31.92 09:30:22 0 65.08 0.00 2.18 0.12 0.10 32.53 09:30:22 1 65.20 0.00 2.28 0.05 0.10 32.37 09:30:22 2 66.02 0.00 2.34 0.04 0.10 31.51 09:30:22 3 65.83 0.00 2.69 0.09 0.10 31.28 Average: all 64.65 0.00 2.63 0.29 0.10 32.33 Average: 0 65.54 0.00 2.40 0.21 0.10 31.76 Average: 1 63.09 0.00 2.69 0.44 0.10 33.68 Average: 2 65.24 0.00 2.65 0.18 0.10 31.83 Average: 3 64.74 0.00 2.79 0.31 0.10 32.06