---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39237 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 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 760 5187 4 2286 7181 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:2f:25:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80921sec preferred_lft 80921sec inet6 fe80::f816:3eff:fe2f:25d9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39237) 07/27/26 _x86_64_ (2 CPU) 00:42:09 LINUX RESTART (2 CPU) 00:50:34 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 2.01 0.27 1.69 0.04 32.83 81.99 462.03 01:10:31 1.35 0.00 1.35 0.00 0.00 15.88 0.00 01:20:31 1.34 0.00 1.34 0.00 0.01 15.61 0.00 01:30:01 1.53 0.00 1.52 0.01 0.00 18.36 458.69 01:40:18 2.72 1.29 1.42 0.01 93.64 108.67 0.22 01:50:01 36.15 1.58 18.70 15.88 133.29 3586.04 111653.00 02:00:01 1.36 0.00 1.34 0.02 0.00 17.58 0.25 02:10:11 1.38 0.00 1.38 0.00 0.00 16.44 0.00 Average: 5.88 0.39 3.54 1.95 32.27 471.98 13735.99 00:50:34 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6260060 7538064 281780 3.46 30916 1452568 730624 7.96 450176 1205452 124 01:10:31 6259568 7538116 281692 3.46 31092 1452928 730656 7.96 450372 1205988 156 01:20:31 6243440 7522484 297316 3.66 31256 1453256 730812 7.96 451432 1206480 212 01:30:01 6246524 7526084 293612 3.61 31440 1453552 731036 7.96 452316 1206960 128 01:40:18 6002524 7380092 433480 5.33 39260 1538584 796584 8.68 558984 1287308 40380 01:50:01 5175668 7397312 368436 4.53 87456 2293764 828668 9.03 599492 2057472 124 02:00:01 5164092 7386240 379444 4.67 87616 2294112 828668 9.03 599740 2057980 280 02:10:11 5164092 7386752 378936 4.66 87780 2294460 828668 9.03 599648 2058492 124 Average: 5814496 7459393 339337 4.17 53352 1779153 775714 8.45 520270 1535766 5191 00:50:34 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 0.90 0.32 3.61 0.07 0.00 0.00 0.00 0.00 01:10:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:31 ens3 0.46 0.04 0.53 0.04 0.00 0.00 0.00 0.00 01:20:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:31 ens3 0.44 0.07 0.13 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 0.41 0.20 0.10 0.56 0.00 0.00 0.00 0.00 01:40:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:18 ens3 18.88 9.34 49.33 4.03 0.00 0.00 0.00 0.00 01:50:01 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 48.87 33.48 283.24 7.09 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 1.39 0.26 0.21 0.08 0.00 0.00 0.00 0.00 02:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:11 ens3 0.45 0.13 0.06 0.03 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 8.91 5.42 41.50 1.49 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39237) 07/27/26 _x86_64_ (2 CPU) 00:42:09 LINUX RESTART (2 CPU) 00:50:34 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.40 0.00 0.20 0.02 0.04 99.34 01:00:01 0 0.23 0.00 0.18 0.02 0.04 99.53 01:00:01 1 0.57 0.00 0.22 0.02 0.04 99.14 01:10:31 all 0.25 0.00 0.07 0.01 0.04 99.63 01:10:31 0 0.06 0.00 0.08 0.01 0.05 99.80 01:10:31 1 0.43 0.00 0.06 0.01 0.04 99.46 01:20:31 all 0.26 0.00 0.07 0.01 0.04 99.62 01:20:31 0 0.10 0.00 0.09 0.02 0.05 99.75 01:20:31 1 0.42 0.00 0.06 0.00 0.04 99.48 01:30:01 all 0.29 0.00 0.16 0.01 0.04 99.51 01:30:01 0 0.25 0.00 0.15 0.02 0.04 99.54 01:30:01 1 0.32 0.00 0.16 0.00 0.04 99.47 01:40:18 all 1.03 0.00 0.21 0.04 0.04 98.69 01:40:18 0 0.99 0.00 0.14 0.04 0.02 98.81 01:40:18 1 1.07 0.00 0.27 0.04 0.05 98.57 01:50:01 all 11.19 0.00 1.60 0.54 0.08 86.60 01:50:01 0 13.83 0.00 1.74 0.64 0.08 83.71 01:50:01 1 8.55 0.00 1.46 0.43 0.07 89.49 02:00:01 all 0.39 0.00 0.22 0.01 0.08 99.30 02:00:01 0 0.33 0.00 0.24 0.02 0.09 99.32 02:00:01 1 0.45 0.00 0.20 0.00 0.07 99.28 02:10:11 all 0.34 0.00 0.12 0.14 0.07 99.32 02:10:11 0 0.40 0.00 0.05 0.01 0.03 99.50 02:10:11 1 0.28 0.00 0.19 0.27 0.12 99.13 Average: all 1.74 0.00 0.33 0.10 0.05 97.79 Average: 0 1.98 0.00 0.33 0.09 0.05 97.54 Average: 1 1.49 0.00 0.32 0.10 0.06 98.03