---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29286 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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): 2 On-line CPU(s) list: 0,1 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): 2 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 nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: 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: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl 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 Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.9G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 746 5214 4 2273 7195 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 noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:d4:d7:e8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81503sec preferred_lft 81503sec inet6 fe80::f816:3eff:fed4:d7e8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29286) 06/22/26 _x86_64_ (2 CPU) 00:41:55 LINUX RESTART (2 CPU) 00:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 2.12 0.27 1.82 0.03 32.77 79.46 668.06 01:10:14 1.44 0.00 1.42 0.02 0.00 16.23 1.18 01:20:14 1.52 0.00 1.50 0.02 0.01 17.71 1.19 01:30:01 14.54 0.00 1.67 12.87 0.15 19.86 112279.25 01:40:07 1.88 0.40 1.47 0.02 15.65 48.21 1.19 01:50:14 24.35 2.57 19.52 2.25 209.50 3344.50 622.39 02:00:01 1.61 0.00 1.59 0.02 0.00 24.69 0.70 Average: 6.79 0.47 4.18 2.14 37.23 513.75 15916.06 00:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6255960 7534124 285736 3.51 30952 1452420 530884 5.78 458572 1205176 124 01:10:14 6263772 7542488 277352 3.41 31168 1452752 530804 5.78 458624 1205724 128 01:20:14 6263296 7542572 277160 3.41 31400 1453088 586052 6.38 464452 1206280 152 01:30:01 6269196 7549196 270640 3.33 31616 1453576 531096 5.78 459220 1206840 128 01:40:07 6227864 7522992 296668 3.65 31952 1468212 548416 5.97 488644 1220304 136 01:50:14 5178980 7381132 386036 4.75 86924 2275360 635640 6.92 601916 2038372 188 02:00:01 5136756 7340916 426136 5.24 87068 2277256 668048 7.28 626148 2040372 276 Average: 5942261 7487631 317104 3.90 47297 1690381 575849 6.27 508225 1446153 162 00:50:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.81 0.28 3.27 0.05 0.00 0.00 0.00 0.00 01:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:14 ens3 0.46 0.05 1.31 0.03 0.00 0.00 0.00 0.00 01:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:14 ens3 0.47 0.08 0.28 0.05 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.26 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 8.34 4.63 19.70 3.08 0.00 0.00 0.00 0.00 01:50:14 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:14 ens3 62.44 44.24 304.70 9.11 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 12.98 11.77 109.62 1.09 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.36 8.80 63.06 1.94 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29286) 06/22/26 _x86_64_ (2 CPU) 00:41:55 LINUX RESTART (2 CPU) 00:50:14 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.37 0.00 0.20 0.02 0.04 99.37 01:00:01 0 0.20 0.00 0.19 0.02 0.04 99.55 01:00:01 1 0.54 0.00 0.21 0.02 0.04 99.19 01:10:14 all 0.24 0.00 0.07 0.01 0.03 99.64 01:10:14 0 0.05 0.00 0.09 0.01 0.04 99.82 01:10:14 1 0.44 0.00 0.05 0.02 0.03 99.46 01:20:14 all 0.24 0.00 0.09 0.02 0.03 99.62 01:20:14 0 0.08 0.00 0.09 0.01 0.03 99.78 01:20:14 1 0.40 0.00 0.08 0.03 0.03 99.45 01:30:01 all 0.29 0.00 0.18 0.03 0.03 99.48 01:30:01 0 0.25 0.00 0.17 0.05 0.03 99.50 01:30:01 1 0.32 0.00 0.18 0.02 0.03 99.45 01:40:07 all 0.50 0.00 0.09 0.02 0.03 99.36 01:40:07 0 0.45 0.00 0.10 0.02 0.02 99.40 01:40:07 1 0.56 0.00 0.08 0.02 0.03 99.32 01:50:14 all 11.89 0.00 1.75 0.57 0.06 85.73 01:50:14 0 11.68 0.00 1.81 0.39 0.06 86.06 01:50:14 1 12.10 0.00 1.68 0.75 0.06 85.40 02:00:01 all 0.92 0.00 0.31 0.01 0.03 98.72 02:00:01 0 0.69 0.00 0.29 0.01 0.03 98.97 02:00:01 1 1.15 0.00 0.33 0.01 0.04 98.48 Average: all 2.08 0.00 0.39 0.10 0.04 97.40 Average: 0 1.93 0.00 0.39 0.07 0.04 97.56 Average: 1 2.23 0.00 0.38 0.13 0.04 97.23