---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7187 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 16% / 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 657 9066 4 6265 14988 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:42:6b:da brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.21/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84487sec preferred_lft 84487sec inet6 fe80::f816:3eff:fe42:6bda/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:9d:ad:88:cd:80 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-7187) 09/11/26 _x86_64_ (4 CPU) 10:17:20 LINUX RESTART (4 CPU) 10:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:03 27.44 2.10 21.66 3.69 151.31 4478.08 64368.20 10:40:01 21.93 0.17 18.62 3.15 5.12 1763.94 26473.23 Average: 24.69 1.13 20.14 3.42 78.35 3123.42 45454.41 10:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:03 9326260 13127700 2827884 17.27 134532 3775856 3182916 18.27 700396 5941664 396 10:40:01 8912668 13116656 2835920 17.32 154512 4129504 3332500 19.13 833584 6195940 21460 Average: 9119464 13122178 2831902 17.30 144522 3952680 3257708 18.70 766990 6068802 10928 10:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:03 lo 26.33 26.33 5.99 5.99 0.00 0.00 0.00 0.00 10:30:03 ens3 49.80 30.52 428.83 8.23 0.00 0.00 0.00 0.00 10:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 lo 1237.30 1237.30 1151.11 1151.11 0.00 0.00 0.00 0.00 10:40:01 ens3 47.88 37.01 271.32 8.56 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 630.74 630.74 577.53 577.53 0.00 0.00 0.00 0.00 Average: ens3 48.84 33.76 350.21 8.39 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-7187) 09/11/26 _x86_64_ (4 CPU) 10:17:20 LINUX RESTART (4 CPU) 10:20:03 CPU %user %nice %system %iowait %steal %idle 10:30:03 all 37.53 0.00 1.68 0.28 0.03 60.49 10:30:03 0 38.04 0.00 1.55 0.33 0.03 60.06 10:30:03 1 36.98 0.00 1.75 0.37 0.03 60.88 10:30:03 2 37.02 0.00 1.48 0.16 0.03 61.31 10:30:03 3 38.06 0.00 1.93 0.26 0.03 59.72 10:40:01 all 30.67 0.00 1.80 0.07 0.03 67.43 10:40:01 0 30.61 0.00 1.63 0.14 0.03 67.58 10:40:01 1 30.25 0.00 1.87 0.04 0.03 67.81 10:40:01 2 30.34 0.00 1.91 0.04 0.03 67.68 10:40:01 3 31.45 0.00 1.78 0.08 0.03 66.66 Average: all 34.10 0.00 1.74 0.18 0.03 63.95 Average: 0 34.34 0.00 1.59 0.24 0.03 63.81 Average: 1 33.62 0.00 1.81 0.20 0.03 64.33 Average: 2 33.69 0.00 1.69 0.10 0.03 64.49 Average: 3 34.76 0.00 1.85 0.17 0.03 63.18