---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2972 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 645 8931 4 6411 15000 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:9b:d3:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.141/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84253sec preferred_lft 84253sec inet6 fe80::f816:3eff:fe9b:d3ec/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:13:d5:f3:7e:d5 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-2972) 09/07/26 _x86_64_ (4 CPU) 22:20:30 LINUX RESTART (4 CPU) 22:30:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:40:01 33.11 1.40 31.31 0.40 100.77 977.19 487.62 22:50:14 33.76 3.34 28.39 2.03 177.51 10252.34 13233.98 Average: 33.44 2.39 29.82 1.23 140.00 5718.72 7003.67 22:30:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:40:01 12929880 15342648 646440 3.95 88072 2528592 1280824 7.35 289048 2851248 205420 22:50:14 7624472 12877540 3074868 18.78 139644 5187200 3272212 18.78 1199564 7097768 1120 Average: 10277176 14110094 1860654 11.36 113858 3857896 2276518 13.07 744306 4974508 103270 22:30:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:40:01 lo 0.18 0.18 0.01 0.01 0.00 0.00 0.00 0.00 22:40:01 ens3 29.25 22.42 174.83 5.25 0.00 0.00 0.00 0.00 22:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:14 lo 908.81 908.81 866.15 866.15 0.00 0.00 0.00 0.00 22:50:14 ens3 166.87 129.59 1236.01 17.34 0.00 0.00 0.00 0.00 22:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 464.68 464.68 442.79 442.79 0.00 0.00 0.00 0.00 Average: ens3 99.61 77.21 717.31 11.43 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-2972) 09/07/26 _x86_64_ (4 CPU) 22:20:30 LINUX RESTART (4 CPU) 22:30:14 CPU %user %nice %system %iowait %steal %idle 22:40:01 all 2.19 0.00 0.24 0.26 0.00 97.31 22:40:01 0 1.88 0.00 0.16 0.03 0.00 97.92 22:40:01 1 2.35 0.00 0.35 0.87 0.00 96.43 22:40:01 2 2.67 0.00 0.21 0.08 0.00 97.03 22:40:01 3 1.87 0.00 0.22 0.05 0.00 97.86 22:50:14 all 45.95 0.00 2.24 0.40 0.03 51.39 22:50:14 0 45.48 0.00 2.20 0.51 0.03 51.78 22:50:14 1 46.62 0.00 2.53 0.27 0.03 50.55 22:50:14 2 44.94 0.00 2.14 0.31 0.03 52.58 22:50:14 3 46.78 0.00 2.07 0.49 0.03 50.63 Average: all 24.52 0.00 1.26 0.33 0.02 73.88 Average: 0 24.12 0.00 1.20 0.27 0.02 74.39 Average: 1 24.94 0.00 1.46 0.56 0.02 73.01 Average: 2 24.23 0.00 1.20 0.20 0.02 74.36 Average: 3 24.80 0.00 1.16 0.27 0.02 73.75