---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66214 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 11G 67G 14% / 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 632 10556 4 4799 15013 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:0a:1f:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.68/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84687sec preferred_lft 84687sec inet6 fe80::f816:3eff:fe0a:1f65/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:1f:ca:d3:b5:9b 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-66214) 04/03/26 _x86_64_ (4 CPU) 09:58:01 LINUX RESTART (4 CPU) 10:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:05 13.02 2.19 10.63 0.21 134.25 3079.23 446.12 10:20:00 16.49 0.01 3.08 13.40 0.21 359.39 241198.56 Average: 14.75 1.11 6.87 6.78 67.49 1724.55 120358.11 10:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:05 9471068 12433588 3530268 21.56 112188 3016252 3705412 21.27 489728 6075060 188 10:20:00 10630568 13712844 2250240 13.74 116384 3122080 2411420 13.84 519328 4877964 17640 Average: 10050818 13073216 2890254 17.65 114286 3069166 3058416 17.56 504528 5476512 8914 10:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:05 lo 0.48 0.48 0.14 0.14 0.00 0.00 0.00 0.00 10:10:05 ens3 60.93 49.54 699.68 6.75 0.00 0.00 0.00 0.00 10:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:00 lo 0.37 0.37 0.26 0.26 0.00 0.00 0.00 0.00 10:20:00 ens3 3.39 3.08 2.10 0.92 0.00 0.00 0.00 0.00 10:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.42 0.42 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 32.27 26.40 352.23 3.84 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-66214) 04/03/26 _x86_64_ (4 CPU) 09:58:01 LINUX RESTART (4 CPU) 10:00:05 CPU %user %nice %system %iowait %steal %idle 10:10:05 all 53.01 0.00 1.06 0.09 0.09 45.76 10:10:05 0 55.43 0.00 1.20 0.04 0.09 43.24 10:10:05 1 56.45 0.00 1.15 0.06 0.09 42.26 10:10:05 2 50.70 0.00 0.96 0.14 0.08 48.11 10:10:05 3 49.46 0.00 0.92 0.11 0.09 49.42 10:20:00 all 47.85 0.00 0.50 0.08 0.08 51.49 10:20:00 0 44.25 0.00 0.57 0.07 0.08 55.03 10:20:00 1 35.99 0.00 0.37 0.16 0.07 63.42 10:20:00 2 54.75 0.00 0.53 0.01 0.09 44.62 10:20:00 3 56.41 0.00 0.55 0.08 0.09 42.88 Average: all 50.44 0.00 0.78 0.08 0.09 48.61 Average: 0 49.87 0.00 0.89 0.05 0.09 49.11 Average: 1 46.25 0.00 0.76 0.11 0.08 52.81 Average: 2 52.71 0.00 0.75 0.08 0.09 46.37 Average: 3 52.92 0.00 0.73 0.09 0.09 46.16