---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-12978 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 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 17G 62G 21% / 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 670 6401 4 8916 14975 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:e0:6b:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.81/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84971sec preferred_lft 84971sec inet6 fe80::f816:3eff:fee0:6b2b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:a7:89:21:c1:38 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 5.15.0-181-generic (prd-ubuntu2204-docker-v1-8c-8g-12978) 07/15/26 _x86_64_ (4 CPU) 05:17:45 LINUX RESTART (4 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:01 47.14 4.95 40.57 1.63 432.07 17408.90 1377.98 05:40:10 276.29 2.20 263.62 10.48 86.04 17254.31 48216.82 Average: 162.52 3.56 152.88 6.08 257.84 17331.07 24961.25 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:01 7510564 13405756 2542008 15.53 196612 5696188 2785304 15.99 1167512 7160228 138532 05:40:10 6544828 15319692 605284 3.70 324280 8220960 1119572 6.43 2124896 6900628 164 Average: 7027696 14362724 1573646 9.61 260446 6958574 1952438 11.21 1646204 7030428 69348 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:01 lo 0.75 0.75 0.21 0.21 0.00 0.00 0.00 0.00 05:30:01 ens3 177.40 146.44 1730.53 33.41 0.00 0.00 0.00 0.00 05:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:10 lo 12.66 12.66 1.23 1.23 0.00 0.00 0.00 0.00 05:40:10 ens3 95.70 93.42 327.82 222.50 0.00 0.00 0.00 0.00 05:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 6.75 6.75 0.72 0.72 0.00 0.00 0.00 0.00 Average: ens3 136.27 119.75 1024.27 128.62 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 5.15.0-181-generic (prd-ubuntu2204-docker-v1-8c-8g-12978) 07/15/26 _x86_64_ (4 CPU) 05:17:45 LINUX RESTART (4 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:01 all 33.90 0.00 2.59 0.96 0.08 62.48 05:30:01 0 31.63 0.00 2.52 1.04 0.07 64.74 05:30:01 1 37.64 0.00 2.88 0.48 0.08 58.92 05:30:01 2 35.74 0.00 2.44 0.87 0.08 60.87 05:30:01 3 30.59 0.00 2.51 1.45 0.08 65.37 05:40:10 all 36.97 0.00 3.46 0.82 0.10 58.65 05:40:10 0 34.12 0.00 3.20 0.85 0.10 61.74 05:40:10 1 37.04 0.00 3.78 0.58 0.09 58.51 05:40:10 2 38.98 0.00 3.34 1.17 0.10 56.41 05:40:10 3 37.75 0.00 3.53 0.71 0.10 57.92 Average: all 35.44 0.00 3.02 0.89 0.09 60.55 Average: 0 32.88 0.00 2.86 0.94 0.08 63.23 Average: 1 37.34 0.00 3.33 0.53 0.09 58.72 Average: 2 37.37 0.00 2.89 1.02 0.09 58.63 Average: 3 34.19 0.00 3.02 1.08 0.09 61.63