---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37272 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: 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: 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 8.0G 30G 22% / 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 752 5186 4 2296 7189 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:b2:3a:10 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.182/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81536sec preferred_lft 81536sec inet6 fe80::f816:3eff:feb2:3a10/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37272) 07/20/26 _x86_64_ (2 CPU) 00:42:40 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:26 1.38 0.01 1.35 0.02 0.05 16.97 419.71 01:10:08 1.74 0.26 1.46 0.03 31.94 77.23 1.42 01:20:01 1.18 0.01 1.16 0.01 1.08 14.55 0.54 01:30:26 13.50 0.00 1.44 12.06 0.14 17.65 105268.65 01:40:25 1.20 0.00 1.20 0.00 0.00 15.11 0.00 01:50:25 2.51 1.20 1.31 0.01 89.23 94.19 0.07 02:00:08 22.83 1.70 18.74 2.39 140.42 3558.02 544.13 Average: 6.31 0.44 3.74 2.13 36.79 526.95 15764.54 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:26 6286888 7533620 286908 3.53 30688 1421704 528364 5.75 443352 1183588 120 01:10:08 6242744 7516784 303300 3.73 31076 1448272 728548 7.94 457836 1201780 196 01:20:01 6265732 7540624 279416 3.44 31268 1448920 528432 5.76 453048 1202308 148 01:30:26 6264544 7540028 279872 3.44 31452 1449288 528652 5.76 453204 1202832 124 01:40:25 6266144 7542268 277632 3.41 31632 1449744 528744 5.76 453788 1203340 136 01:50:25 6104632 7451692 364484 4.48 37304 1511932 606600 6.61 556884 1259052 14468 02:00:08 5192468 7414376 351860 4.33 87532 2293804 629476 6.86 591132 2057732 368 Average: 6089022 7505627 306210 3.77 40136 1574809 582688 6.35 487035 1330090 2223 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:26 ens3 0.54 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:10:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 1.51 0.26 13.18 0.05 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.52 0.09 0.27 0.05 0.00 0.00 0.00 0.00 01:30:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:26 ens3 0.37 0.17 0.06 0.42 0.00 0.00 0.00 0.00 01:40:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:25 ens3 0.47 0.11 0.15 0.08 0.00 0.00 0.00 0.00 01:50:25 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:25 ens3 20.09 10.95 50.73 4.22 0.00 0.00 0.00 0.00 02:00:08 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:08 ens3 99.51 75.89 292.84 14.77 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 17.15 12.18 49.75 2.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37272) 07/20/26 _x86_64_ (2 CPU) 00:42:40 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:26 all 0.28 0.00 0.16 0.03 0.03 99.50 01:00:26 0 0.49 0.00 0.13 0.04 0.02 99.32 01:00:26 1 0.08 0.00 0.18 0.02 0.03 99.68 01:10:08 all 0.37 0.00 0.10 0.03 0.03 99.48 01:10:08 0 0.42 0.00 0.09 0.03 0.02 99.44 01:10:08 1 0.32 0.00 0.11 0.02 0.03 99.51 01:20:01 all 0.25 0.00 0.08 0.02 0.03 99.62 01:20:01 0 0.07 0.00 0.08 0.00 0.03 99.82 01:20:01 1 0.44 0.00 0.07 0.03 0.03 99.42 01:30:26 all 0.29 0.00 0.16 0.03 0.03 99.49 01:30:26 0 0.32 0.00 0.14 0.01 0.03 99.50 01:30:26 1 0.27 0.00 0.18 0.05 0.03 99.47 01:40:25 all 0.26 0.00 0.06 0.01 0.03 99.64 01:40:25 0 0.47 0.00 0.04 0.01 0.02 99.47 01:40:25 1 0.05 0.00 0.08 0.02 0.04 99.82 01:50:25 all 0.85 0.00 0.20 0.03 0.03 98.89 01:50:25 0 0.86 0.00 0.16 0.02 0.02 98.95 01:50:25 1 0.85 0.00 0.24 0.05 0.04 98.82 02:00:08 all 14.35 0.00 1.99 0.49 0.06 83.12 02:00:08 0 9.63 0.00 1.67 0.38 0.06 88.26 02:00:08 1 19.07 0.00 2.31 0.60 0.05 77.97 Average: all 2.32 0.00 0.39 0.09 0.03 97.18 Average: 0 1.71 0.00 0.33 0.07 0.03 97.87 Average: 1 2.93 0.00 0.45 0.11 0.04 96.48