---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33982 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 nrip_save 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 11G 67G 14% / 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 632 10289 4 5066 15014 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:bc:95:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.205/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84520sec preferred_lft 84520sec inet6 fe80::f816:3eff:febc:950e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:ec:6a:81:ad:ff 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-33982) 07/08/26 _x86_64_ (4 CPU) 09:56:21 LINUX RESTART (4 CPU) 10:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:26 11.73 2.23 8.96 0.54 152.89 2862.81 11680.42 10:20:11 3.11 0.03 3.01 0.07 0.96 246.55 412.60 Average: 7.54 1.16 6.07 0.31 78.98 1590.16 6199.31 10:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:26 9310188 12598644 3362984 20.54 119328 3321548 3568044 20.48 520296 6177628 248 10:20:11 10054720 13406500 2554684 15.60 122184 3375844 2736712 15.71 540756 5420484 1696 Average: 9682454 13002572 2958834 18.07 120756 3348696 3152378 18.09 530526 5799056 972 10:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:26 lo 0.39 0.39 0.04 0.04 0.00 0.00 0.00 0.00 10:10:26 ens3 91.12 67.09 989.08 8.01 0.00 0.00 0.00 0.00 10:10:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:11 lo 0.49 0.49 0.37 0.37 0.00 0.00 0.00 0.00 10:20:11 ens3 2.90 2.35 0.66 0.69 0.00 0.00 0.00 0.00 10:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.44 0.44 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 48.21 35.60 508.28 4.45 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-33982) 07/08/26 _x86_64_ (4 CPU) 09:56:21 LINUX RESTART (4 CPU) 10:00:09 CPU %user %nice %system %iowait %steal %idle 10:10:26 all 52.33 0.00 1.16 0.06 0.13 46.31 10:10:26 0 53.19 0.00 1.22 0.03 0.14 45.42 10:10:26 1 51.09 0.00 1.24 0.09 0.13 47.46 10:10:26 2 48.89 0.00 0.88 0.05 0.13 50.05 10:10:26 3 56.17 0.00 1.31 0.09 0.14 42.30 10:20:11 all 42.92 0.00 0.45 0.02 0.10 56.51 10:20:11 0 39.10 0.00 0.54 0.01 0.09 60.26 10:20:11 1 56.17 0.00 0.52 0.02 0.12 43.17 10:20:11 2 28.81 0.00 0.39 0.03 0.08 70.69 10:20:11 3 47.53 0.00 0.35 0.02 0.10 51.99 Average: all 47.75 0.00 0.82 0.04 0.11 51.28 Average: 0 46.33 0.00 0.89 0.02 0.11 52.64 Average: 1 53.57 0.00 0.89 0.05 0.12 45.37 Average: 2 39.13 0.00 0.64 0.04 0.10 60.08 Average: 3 51.96 0.00 0.84 0.06 0.12 47.01