---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46667 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 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 630 10601 4 4757 15015 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:7a:7c:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.168/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83863sec preferred_lft 83863sec inet6 fe80::f816:3eff:fe7a:7c78/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:c4:8c:a6:8f:61 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-46667) 09/01/26 _x86_64_ (4 CPU) 19:27:55 LINUX RESTART (4 CPU) 19:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:40:00 3.49 0.04 3.44 0.01 1.67 781.35 0.85 19:50:01 1.45 0.00 1.45 0.00 0.04 17.14 0.00 20:00:01 3.37 0.48 2.88 0.01 14.78 815.92 0.24 20:10:01 31.54 2.23 26.41 2.91 142.81 7098.81 7716.51 Average: 9.98 0.69 8.55 0.73 39.91 2180.85 1933.28 19:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:40:00 13161240 15541680 440892 2.69 87460 2490688 1013676 5.82 262412 2642724 200 19:50:01 13163528 15544660 437840 2.67 87996 2490828 1013824 5.82 262952 2644200 164 20:00:01 12426180 15112924 855892 5.23 101524 2771300 1382060 7.93 312212 3299468 71940 20:10:01 10885780 15405728 551308 3.37 133000 4500100 1089660 6.25 1020064 4047424 12176 Average: 12409182 15401248 571483 3.49 102495 3063229 1124805 6.46 464410 3158454 21120 19:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:40:00 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 19:40:00 ens3 0.75 0.44 0.43 0.13 0.00 0.00 0.00 0.00 19:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 19:50:01 ens3 0.70 0.22 0.49 0.05 0.00 0.00 0.00 0.00 19:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:00:01 ens3 32.57 26.79 444.36 3.62 0.00 0.00 0.00 0.00 20:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:01 lo 863.76 863.76 820.53 820.53 0.00 0.00 0.00 0.00 20:10:01 ens3 100.59 85.79 782.09 560.67 0.00 0.00 0.00 0.00 20:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 216.45 216.45 205.55 205.55 0.00 0.00 0.00 0.00 Average: ens3 33.73 28.38 307.63 141.41 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-46667) 09/01/26 _x86_64_ (4 CPU) 19:27:55 LINUX RESTART (4 CPU) 19:30:08 CPU %user %nice %system %iowait %steal %idle 19:40:00 all 0.16 0.00 0.05 0.04 0.00 99.75 19:40:00 0 0.09 0.00 0.06 0.06 0.00 99.79 19:40:00 1 0.14 0.00 0.07 0.02 0.01 99.76 19:40:00 2 0.03 0.00 0.04 0.05 0.00 99.88 19:40:00 3 0.39 0.00 0.02 0.00 0.00 99.58 19:50:01 all 0.16 0.00 0.03 0.05 0.00 99.76 19:50:01 0 0.08 0.00 0.02 0.00 0.00 99.90 19:50:01 1 0.04 0.00 0.04 0.16 0.01 99.76 19:50:01 2 0.04 0.00 0.03 0.02 0.00 99.91 19:50:01 3 0.49 0.00 0.01 0.02 0.00 99.47 20:00:01 all 2.56 0.00 0.25 0.04 0.00 97.15 20:00:01 0 2.87 0.00 0.24 0.08 0.00 96.80 20:00:01 1 2.35 0.00 0.21 0.00 0.00 97.44 20:00:01 2 2.38 0.00 0.27 0.02 0.00 97.32 20:00:01 3 2.64 0.00 0.27 0.06 0.01 97.03 20:10:01 all 43.85 0.00 2.38 0.21 0.03 53.54 20:10:01 0 43.83 0.00 2.42 0.12 0.02 53.61 20:10:01 1 45.57 0.00 2.47 0.10 0.03 51.83 20:10:01 2 41.79 0.00 2.46 0.34 0.03 55.39 20:10:01 3 44.22 0.00 2.16 0.26 0.03 53.33 Average: all 11.69 0.00 0.67 0.08 0.01 87.54 Average: 0 11.73 0.00 0.68 0.07 0.01 87.51 Average: 1 12.04 0.00 0.70 0.07 0.01 87.18 Average: 2 11.05 0.00 0.70 0.11 0.01 88.13 Average: 3 11.93 0.00 0.62 0.09 0.01 87.36