---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46239 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 682 9250 4 6056 14963 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:73:04:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.26/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84392sec preferred_lft 84392sec inet6 fe80::f816:3eff:fe73:4b7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:8d:4e:a9:e4:de 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-46239) 08/31/26 _x86_64_ (4 CPU) 01:06:26 LINUX RESTART (4 CPU) 01:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 24.65 2.54 19.18 2.94 146.67 3614.66 63510.24 01:30:03 16.10 0.18 13.77 2.15 5.01 1560.63 24374.41 Average: 20.36 1.35 16.47 2.54 75.60 2584.17 43876.12 01:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9419892 12963944 2994180 18.29 132556 3527164 3343728 19.19 672608 5878920 34492 01:30:03 8606840 12678476 3275932 20.01 154372 3998064 3448276 19.79 819656 6509372 174732 Average: 9013366 12821210 3135056 19.15 143464 3762614 3396002 19.49 746132 6194146 104612 01:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 17.63 17.63 3.83 3.83 0.00 0.00 0.00 0.00 01:20:01 ens3 73.21 58.99 681.29 12.88 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:03 lo 779.27 779.27 708.54 708.54 0.00 0.00 0.00 0.00 01:30:03 ens3 29.79 22.07 248.50 5.22 0.00 0.00 0.00 0.00 01:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 399.74 399.74 357.38 357.38 0.00 0.00 0.00 0.00 Average: ens3 51.42 40.47 464.16 9.03 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-46239) 08/31/26 _x86_64_ (4 CPU) 01:06:26 LINUX RESTART (4 CPU) 01:10:03 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 35.16 0.00 1.53 0.57 0.02 62.73 01:20:01 0 35.07 0.00 1.77 1.11 0.02 62.03 01:20:01 1 36.32 0.00 1.49 0.34 0.02 61.84 01:20:01 2 34.82 0.00 1.45 0.31 0.02 63.40 01:20:01 3 34.42 0.00 1.39 0.51 0.02 63.66 01:30:03 all 21.30 0.00 1.29 0.07 0.01 77.32 01:30:03 0 21.45 0.00 1.31 0.08 0.01 77.16 01:30:03 1 22.05 0.00 1.53 0.13 0.01 76.28 01:30:03 2 21.28 0.00 1.25 0.04 0.01 77.43 01:30:03 3 20.45 0.00 1.07 0.04 0.01 78.43 Average: all 28.21 0.00 1.41 0.32 0.01 70.05 Average: 0 28.24 0.00 1.54 0.59 0.01 69.62 Average: 1 29.16 0.00 1.51 0.23 0.01 69.08 Average: 2 28.04 0.00 1.35 0.18 0.01 70.42 Average: 3 27.41 0.00 1.23 0.27 0.01 71.07