---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46462 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 689 9243 4 6056 14956 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:98:b9:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84439sec preferred_lft 84439sec inet6 fe80::f816:3eff:fe98:b9e2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:da:ec:ea:a9:6f 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-46462) 09/01/26 _x86_64_ (4 CPU) 01:06:37 LINUX RESTART (4 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:02 25.88 2.49 20.38 3.01 144.78 3783.08 38094.82 01:30:09 19.60 0.17 16.80 2.62 5.40 1588.59 29684.29 Average: 22.72 1.32 18.58 2.82 74.65 2679.00 33863.38 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:02 9522236 13104044 2853728 17.43 134932 3558716 3163324 18.16 681176 5775532 12760 01:30:09 8981916 13004496 2950028 18.02 153856 3951376 3148148 18.07 807344 6156608 108608 Average: 9252076 13054270 2901878 17.72 144394 3755046 3155736 18.11 744260 5966070 60684 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:02 lo 20.93 20.93 4.63 4.63 0.00 0.00 0.00 0.00 01:20:02 ens3 63.21 51.52 658.82 10.82 0.00 0.00 0.00 0.00 01:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:09 lo 1115.61 1115.61 1032.91 1032.91 0.00 0.00 0.00 0.00 01:30:09 ens3 30.73 21.46 248.14 5.20 0.00 0.00 0.00 0.00 01:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 571.67 571.67 521.97 521.97 0.00 0.00 0.00 0.00 Average: ens3 46.87 36.39 452.20 7.99 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-46462) 09/01/26 _x86_64_ (4 CPU) 01:06:37 LINUX RESTART (4 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:02 all 39.95 0.00 1.65 0.15 0.03 58.22 01:20:02 0 39.44 0.00 1.44 0.27 0.03 58.81 01:20:02 1 41.56 0.00 1.64 0.10 0.03 56.67 01:20:02 2 37.52 0.00 1.65 0.12 0.02 60.68 01:20:02 3 41.28 0.00 1.87 0.09 0.03 56.72 01:30:09 all 23.74 0.00 1.55 0.07 0.02 74.61 01:30:09 0 24.54 0.00 1.70 0.06 0.03 73.68 01:30:09 1 24.08 0.00 1.71 0.12 0.02 74.06 01:30:09 2 22.82 0.00 1.25 0.06 0.02 75.84 01:30:09 3 23.52 0.00 1.56 0.03 0.02 74.87 Average: all 31.80 0.00 1.60 0.11 0.03 66.46 Average: 0 31.94 0.00 1.57 0.16 0.03 66.29 Average: 1 32.78 0.00 1.68 0.11 0.03 65.41 Average: 2 30.14 0.00 1.45 0.09 0.02 68.30 Average: 3 32.35 0.00 1.71 0.06 0.03 65.85