---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6396 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 15% / 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 688 9247 4 6053 14957 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:25:bb:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84349sec preferred_lft 84349sec inet6 fe80::f816:3eff:fe25:bb2d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:f9:d4:8b:df:1d 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-6396) 09/09/26 _x86_64_ (4 CPU) 15:55:22 LINUX RESTART (4 CPU) 16:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:04 17.14 0.07 13.91 3.15 2.75 1082.51 37943.79 16:20:07 21.39 0.16 18.25 2.98 5.03 1735.25 25419.82 Average: 19.26 0.11 16.08 3.07 3.89 1408.66 31685.96 16:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:04 9433908 13018780 2938672 17.95 129952 3570244 3120948 17.91 679076 5859296 1092 16:20:07 9151108 13122692 2831424 17.29 150064 3908016 2919080 16.76 809376 5962208 11480 Average: 9292508 13070736 2885048 17.62 140008 3739130 3020014 17.33 744226 5910752 6286 16:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:04 lo 31.20 31.20 7.35 7.35 0.00 0.00 0.00 0.00 16:10:04 ens3 10.82 9.51 13.46 3.89 0.00 0.00 0.00 0.00 16:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:07 lo 1361.99 1361.99 1275.62 1275.62 0.00 0.00 0.00 0.00 16:20:07 ens3 46.79 35.56 269.11 8.64 0.00 0.00 0.00 0.00 16:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 696.15 696.15 641.07 641.07 0.00 0.00 0.00 0.00 Average: ens3 28.79 22.52 141.20 6.26 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-6396) 09/09/26 _x86_64_ (4 CPU) 15:55:22 LINUX RESTART (4 CPU) 16:00:01 CPU %user %nice %system %iowait %steal %idle 16:10:04 all 29.33 0.00 1.25 0.13 0.04 69.25 16:10:04 0 29.32 0.00 1.33 0.06 0.04 69.26 16:10:04 1 29.01 0.00 1.18 0.14 0.04 69.63 16:10:04 2 29.73 0.00 1.14 0.25 0.04 68.84 16:10:04 3 29.26 0.00 1.35 0.07 0.04 69.29 16:20:07 all 29.35 0.00 1.78 0.28 0.04 68.55 16:20:07 0 30.08 0.00 2.09 0.54 0.04 67.24 16:20:07 1 28.64 0.00 1.92 0.30 0.04 69.10 16:20:07 2 29.09 0.00 1.53 0.16 0.04 69.18 16:20:07 3 29.59 0.00 1.56 0.12 0.04 68.70 Average: all 29.34 0.00 1.51 0.20 0.04 68.90 Average: 0 29.70 0.00 1.71 0.30 0.04 68.25 Average: 1 28.82 0.00 1.55 0.22 0.04 69.37 Average: 2 29.41 0.00 1.34 0.20 0.04 69.01 Average: 3 29.43 0.00 1.45 0.09 0.04 68.99