---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1989 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 68G 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 663 10605 4 4719 14982 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:d0:b5:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.255/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84446sec preferred_lft 84446sec inet6 fe80::f816:3eff:fed0:b50e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:b1:00:0a:8d:8b 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-1989) 04/11/26 _x86_64_ (4 CPU) 09:10:32 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 14.24 2.32 10.86 1.06 138.89 3266.64 2575.68 09:40:03 29.51 0.78 24.36 4.36 26.88 4182.33 4384.38 Average: 21.90 1.55 17.63 2.72 82.72 3725.87 3482.78 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 10368520 13783296 2175416 13.29 142624 3383372 2416532 13.87 614972 4985956 47048 09:40:03 10911192 15384080 567452 3.47 173844 4338372 1118872 6.42 895088 4070604 264 Average: 10639856 14583688 1371434 8.38 158234 3860872 1767702 10.15 755030 4528280 23656 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 09:30:01 ens3 105.29 82.23 603.77 20.42 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:03 lo 1622.38 1622.38 1541.42 1541.42 0.00 0.00 0.00 0.00 09:40:03 ens3 96.86 81.97 411.60 87.97 0.00 0.00 0.00 0.00 09:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 814.35 814.35 773.12 773.12 0.00 0.00 0.00 0.00 Average: ens3 101.06 82.10 507.40 54.30 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-1989) 04/11/26 _x86_64_ (4 CPU) 09:10:32 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 72.15 0.00 2.29 0.04 0.11 25.42 09:30:01 0 73.30 0.00 2.31 0.02 0.11 24.26 09:30:01 1 72.40 0.00 2.33 0.03 0.11 25.14 09:30:01 2 70.96 0.00 2.17 0.03 0.11 26.73 09:30:01 3 71.96 0.00 2.33 0.06 0.11 25.55 09:40:03 all 59.52 0.00 2.51 0.07 0.08 37.82 09:40:03 0 55.06 0.00 2.25 0.06 0.08 42.55 09:40:03 1 59.81 0.00 2.40 0.04 0.08 37.67 09:40:03 2 59.79 0.00 2.54 0.10 0.08 37.49 09:40:03 3 63.43 0.00 2.85 0.07 0.08 33.57 Average: all 65.81 0.00 2.40 0.05 0.09 31.64 Average: 0 64.14 0.00 2.28 0.04 0.09 33.44 Average: 1 66.08 0.00 2.36 0.04 0.09 31.43 Average: 2 65.35 0.00 2.35 0.07 0.09 32.13 Average: 3 67.68 0.00 2.59 0.06 0.09 29.57