---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4335 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 18G 138G 12% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 777 20011 4 11303 30847 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:f5:a3:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.130/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84738sec preferred_lft 84738sec inet6 fe80::f816:3eff:fef5:a364/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:27:bf:f1:67:7b 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-8c-8g-4335) 07/01/26 _x86_64_ (8 CPU) 12:59:11 LINUX RESTART (8 CPU) 13:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:01 384.09 5.21 372.60 6.27 278.41 24694.17 7658.26 13:20:02 10.35 0.23 8.94 1.18 2.92 1314.17 979.33 Average: 197.01 2.72 190.57 3.72 140.51 12991.02 4315.04 13:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:01 18048304 26805192 5442868 16.56 466632 7832584 8863416 26.14 1459060 12144704 21844 13:20:02 16604072 25768796 6475368 19.70 474420 8207932 10123236 29.85 1547652 13485800 85696 Average: 17326188 26286994 5959118 18.13 470526 8020258 9493326 27.99 1503356 12815252 53770 13:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:01 lo 1.74 1.74 0.99 0.99 0.00 0.00 0.00 0.00 13:10:01 ens3 368.20 220.03 1777.41 80.52 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:02 lo 5.94 5.94 0.98 0.98 0.00 0.00 0.00 0.00 13:20:02 ens3 141.96 73.41 99.52 41.58 0.00 0.00 0.00 0.00 13:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.84 3.84 0.99 0.99 0.00 0.00 0.00 0.00 Average: ens3 254.95 146.64 937.52 61.03 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 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-4335) 07/01/26 _x86_64_ (8 CPU) 12:59:11 LINUX RESTART (8 CPU) 13:00:02 CPU %user %nice %system %iowait %steal %idle 13:10:01 all 60.45 0.00 3.62 0.50 0.12 35.33 13:10:01 0 56.72 0.00 3.74 0.48 0.11 38.95 13:10:01 1 60.61 0.00 4.24 0.70 0.12 34.33 13:10:01 2 56.46 0.00 3.65 1.06 0.11 38.72 13:10:01 3 67.97 0.00 3.69 0.46 0.12 27.76 13:10:01 4 60.05 0.00 3.12 0.24 0.11 36.47 13:10:01 5 60.85 0.00 3.39 0.23 0.12 35.41 13:10:01 6 59.23 0.00 3.48 0.36 0.11 36.82 13:10:01 7 61.66 0.00 3.61 0.43 0.12 34.18 13:20:02 all 96.92 0.00 2.87 0.00 0.16 0.05 13:20:02 0 96.98 0.00 2.81 0.00 0.16 0.05 13:20:02 1 96.96 0.00 2.84 0.00 0.15 0.05 13:20:02 2 96.91 0.00 2.90 0.00 0.16 0.03 13:20:02 3 96.91 0.00 2.87 0.00 0.16 0.06 13:20:02 4 96.88 0.00 2.91 0.00 0.15 0.06 13:20:02 5 96.73 0.00 3.05 0.00 0.16 0.05 13:20:02 6 96.84 0.00 2.95 0.00 0.15 0.05 13:20:02 7 97.17 0.00 2.65 0.00 0.15 0.03 Average: all 78.75 0.00 3.24 0.25 0.14 17.63 Average: 0 76.92 0.00 3.27 0.24 0.13 19.44 Average: 1 78.85 0.00 3.54 0.35 0.14 17.13 Average: 2 76.76 0.00 3.27 0.53 0.14 19.30 Average: 3 82.49 0.00 3.28 0.23 0.14 13.87 Average: 4 78.53 0.00 3.02 0.12 0.13 18.21 Average: 5 78.86 0.00 3.22 0.11 0.14 17.67 Average: 6 78.10 0.00 3.22 0.18 0.13 18.37 Average: 7 79.48 0.00 3.12 0.21 0.13 17.04