---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46139 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 9.6G 68G 13% / 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 627 11400 4 3960 15018 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:8f:d3:af brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.243/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85058sec preferred_lft 85058sec inet6 fe80::f816:3eff:fe8f:d3af/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:1a:98:b2:eb:82 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-46139) 08/30/26 _x86_64_ (4 CPU) 17:09:06 LINUX RESTART (4 CPU) 17:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:03 34.06 3.46 27.52 3.08 187.34 5592.21 39958.30 17:30:01 9.48 0.01 8.16 1.31 0.04 669.63 24707.20 Average: 21.80 1.74 17.86 2.20 93.92 3136.89 32351.25 17:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:03 9408688 12905208 3053388 18.65 130352 3486404 3313676 19.02 663268 5896112 2816 17:30:01 9330076 12985160 2971820 18.15 141320 3619024 3237600 18.58 697740 5933012 1976 Average: 9369382 12945184 3012604 18.40 135836 3552714 3275638 18.80 680504 5914562 2396 17:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:03 lo 8.34 8.34 1.85 1.85 0.00 0.00 0.00 0.00 17:20:03 ens3 89.99 71.79 863.92 14.98 0.00 0.00 0.00 0.00 17:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:01 lo 56.22 56.22 14.49 14.49 0.00 0.00 0.00 0.00 17:30:01 ens3 4.68 4.15 4.29 1.55 0.00 0.00 0.00 0.00 17:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 32.22 32.22 8.16 8.16 0.00 0.00 0.00 0.00 Average: ens3 47.44 38.05 435.15 8.28 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-46139) 08/30/26 _x86_64_ (4 CPU) 17:09:06 LINUX RESTART (4 CPU) 17:10:02 CPU %user %nice %system %iowait %steal %idle 17:20:03 all 33.69 0.00 1.48 0.33 0.01 64.49 17:20:03 0 35.71 0.00 1.62 0.23 0.01 62.43 17:20:03 1 32.27 0.00 1.63 0.35 0.01 65.74 17:20:03 2 31.31 0.00 1.31 0.54 0.02 66.82 17:20:03 3 35.46 0.00 1.38 0.18 0.01 62.97 17:30:01 all 16.25 0.00 0.91 0.07 0.01 82.76 17:30:01 0 16.66 0.00 0.99 0.03 0.01 82.31 17:30:01 1 16.02 0.00 0.88 0.11 0.01 83.00 17:30:01 2 16.00 0.00 0.99 0.05 0.01 82.96 17:30:01 3 16.31 0.00 0.79 0.10 0.01 82.79 Average: all 24.99 0.00 1.20 0.20 0.01 73.60 Average: 0 26.21 0.00 1.30 0.13 0.01 72.35 Average: 1 24.16 0.00 1.25 0.23 0.01 74.36 Average: 2 23.68 0.00 1.15 0.30 0.01 74.87 Average: 3 25.92 0.00 1.09 0.14 0.01 72.85