---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-15549 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): 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: 5600.00 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: 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 760 19674 4 11657 30863 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:ed:c9:9b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.157/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84643sec preferred_lft 84643sec inet6 fe80::f816:3eff:feed:c99b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:35:07:16:a2:c7 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-8c-8g-15549) 08/26/26 _x86_64_ (8 CPU) 22:56:21 LINUX RESTART (8 CPU) 23:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:10:01 223.49 1.36 198.85 23.28 257.06 14188.73 516373.79 23:20:01 10.23 0.22 8.82 1.20 2.67 1545.07 1129.05 Average: 116.86 0.79 103.83 12.24 129.86 7866.85 258749.28 23:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:10:01 15108264 24245116 7998336 24.34 472640 8199692 11431812 33.71 1560292 14968148 2284 23:20:01 16524068 26072904 6167220 18.77 481176 8573640 13810904 40.73 1641940 13438316 564 Average: 15816166 25159010 7082778 21.55 476908 8386666 12621358 37.22 1601116 14203232 1424 23:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:10:01 lo 2.29 2.29 1.05 1.05 0.00 0.00 0.00 0.00 23:10:01 ens3 202.78 127.45 882.10 61.39 0.00 0.00 0.00 0.00 23:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:01 lo 5.73 5.73 0.95 0.95 0.00 0.00 0.00 0.00 23:20:01 ens3 95.20 63.54 94.73 42.28 0.00 0.00 0.00 0.00 23:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.01 4.01 1.00 1.00 0.00 0.00 0.00 0.00 Average: ens3 148.99 95.49 488.41 51.84 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-8c-8g-15549) 08/26/26 _x86_64_ (8 CPU) 22:56:21 LINUX RESTART (8 CPU) 23:00:01 CPU %user %nice %system %iowait %steal %idle 23:10:01 all 77.30 0.00 3.70 0.12 0.03 18.85 23:10:01 0 77.07 0.00 3.99 0.16 0.03 18.76 23:10:01 1 78.88 0.00 3.85 0.16 0.03 17.09 23:10:01 2 76.32 0.00 3.72 0.09 0.03 19.83 23:10:01 3 76.97 0.00 3.69 0.13 0.03 19.19 23:10:01 4 76.84 0.00 3.57 0.11 0.03 19.45 23:10:01 5 81.21 0.00 3.55 0.06 0.04 15.14 23:10:01 6 76.46 0.00 3.61 0.15 0.03 19.76 23:10:01 7 74.64 0.00 3.60 0.14 0.03 21.59 23:20:01 all 96.53 0.00 3.37 0.00 0.04 0.07 23:20:01 0 96.82 0.00 3.09 0.00 0.04 0.05 23:20:01 1 96.62 0.00 3.29 0.00 0.03 0.07 23:20:01 2 96.34 0.00 3.55 0.00 0.04 0.06 23:20:01 3 96.49 0.00 3.39 0.00 0.05 0.07 23:20:01 4 96.64 0.00 3.24 0.00 0.06 0.07 23:20:01 5 96.47 0.00 3.44 0.00 0.02 0.07 23:20:01 6 96.37 0.00 3.54 0.00 0.03 0.06 23:20:01 7 96.45 0.00 3.45 0.00 0.03 0.07 Average: all 86.93 0.00 3.53 0.06 0.03 9.44 Average: 0 86.95 0.00 3.54 0.08 0.04 9.40 Average: 1 87.76 0.00 3.57 0.08 0.03 8.57 Average: 2 86.35 0.00 3.64 0.05 0.04 9.94 Average: 3 86.75 0.00 3.54 0.06 0.04 9.61 Average: 4 86.76 0.00 3.40 0.06 0.05 9.74 Average: 5 88.85 0.00 3.50 0.03 0.03 7.60 Average: 6 86.43 0.00 3.58 0.07 0.03 9.89 Average: 7 85.57 0.00 3.52 0.07 0.03 10.81