---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-58509 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 13G 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 672 8391 4 6925 14973 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:a6:18:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.174/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84232sec preferred_lft 84232sec inet6 fe80::f816:3eff:fea6:18a6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:30:a8:99:0a:22 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 inet6 fe80::6c30:a8ff:fe99:a22/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-58509) 09/25/26 _x86_64_ (4 CPU) 01:11:27 LINUX RESTART (4 CPU) 01:20:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:30:01 10.82 0.01 8.96 1.85 0.19 608.82 42672.46 01:40:01 30.79 0.18 26.84 3.77 5.66 8326.34 21600.67 Average: 20.87 0.10 17.96 2.82 2.94 4492.66 32068.08 01:20:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:30:01 9624596 13485584 2470260 15.09 136424 3831028 2835604 16.28 706476 5634416 11876 01:40:01 6721288 12827028 3118008 19.04 170908 5939556 3098112 17.78 1571444 7561840 21888 Average: 8172942 13156306 2794134 17.07 153666 4885292 2966858 17.03 1138960 6598128 16882 01:20:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:30:01 lo 55.53 55.53 13.52 13.52 0.00 0.00 0.00 0.00 01:30:01 ens3 6.41 4.28 21.95 1.31 0.00 0.00 0.00 0.00 01:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:01 lo 1699.96 1699.96 1619.85 1619.85 0.00 0.00 0.00 0.00 01:40:01 ens3 72.59 56.70 607.52 9.79 0.00 0.00 0.00 0.00 01:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 883.09 883.09 821.90 821.90 0.00 0.00 0.00 0.00 Average: ens3 39.72 30.66 316.64 5.58 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-58509) 09/25/26 _x86_64_ (4 CPU) 01:11:27 LINUX RESTART (4 CPU) 01:20:10 CPU %user %nice %system %iowait %steal %idle 01:30:01 all 16.72 0.00 1.05 0.13 0.22 81.88 01:30:01 0 17.07 0.00 1.06 0.05 0.21 81.60 01:30:01 1 15.80 0.00 1.08 0.14 0.22 82.77 01:30:01 2 17.07 0.00 1.02 0.21 0.23 81.47 01:30:01 3 16.94 0.00 1.03 0.14 0.23 81.67 01:40:01 all 52.83 0.00 3.12 0.15 0.46 43.45 01:40:01 0 51.80 0.00 2.72 0.17 0.46 44.84 01:40:01 1 52.89 0.00 3.35 0.17 0.46 43.13 01:40:01 2 52.38 0.00 3.31 0.14 0.45 43.72 01:40:01 3 54.25 0.00 3.09 0.10 0.45 42.11 Average: all 34.88 0.00 2.09 0.14 0.34 62.56 Average: 0 34.52 0.00 1.90 0.11 0.34 63.13 Average: 1 34.46 0.00 2.22 0.15 0.34 62.83 Average: 2 34.82 0.00 2.17 0.17 0.34 62.49 Average: 3 35.70 0.00 2.06 0.12 0.34 61.78