---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66081 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 8.1G 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 775 5009 4 2447 7166 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:00:68:e8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78876sec preferred_lft 78876sec inet6 fe80::f816:3eff:fe00:68e8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66081) 04/03/26 _x86_64_ (2 CPU) 00:43:06 LINUX RESTART (2 CPU) 00:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.52 0.01 1.47 0.03 1.11 25.15 220.40 01:10:01 1.20 0.00 1.20 0.00 0.00 14.32 0.00 01:20:05 1.22 0.00 1.22 0.00 0.01 14.45 0.00 01:30:01 1.53 0.00 1.51 0.02 0.00 19.26 438.53 01:40:01 13.89 0.00 1.33 12.56 0.15 16.21 109108.50 01:50:05 23.80 3.01 18.59 2.19 226.46 2993.62 792.55 02:00:01 1.89 0.01 1.85 0.04 0.48 125.83 1.41 02:10:01 1.31 0.00 1.31 0.00 0.00 16.45 0.00 02:20:05 1.54 0.00 1.51 0.02 0.00 193.95 3.47 02:30:01 1.78 0.00 1.73 0.05 0.00 261.84 4.68 02:40:00 1.34 0.00 1.34 0.00 0.00 16.02 0.00 Average: 4.65 0.28 3.02 1.36 20.88 337.82 10060.85 00:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6261280 7536916 283196 3.48 30864 1450072 530676 5.78 458664 1200088 132 01:10:01 6261280 7537404 282708 3.48 31024 1450400 530952 5.78 459228 1200576 132 01:20:05 6257500 7534124 285980 3.52 31188 1450728 531300 5.79 459540 1201068 184 01:30:01 6252480 7529668 290372 3.57 31400 1451060 586380 6.39 464616 1201608 240 01:40:01 6252480 7530360 289576 3.56 31580 1451556 531468 5.79 460108 1202132 128 01:50:05 5331928 7440276 331456 4.08 85036 2187420 585500 6.38 571776 1945896 25740 02:00:01 5077060 7186356 585436 7.20 85208 2188252 841232 9.16 801480 1946900 244 02:10:01 5060880 7170836 600952 7.39 85344 2188776 875848 9.54 817756 1947560 240 02:20:05 5055476 7219616 551920 6.79 85528 2242524 827956 9.02 771080 2001492 200 02:30:01 4872996 7110636 659672 8.11 85708 2314832 920512 10.03 863956 2073852 268 02:40:00 4903088 7141268 629032 7.73 85832 2315244 886596 9.66 830256 2074388 140 Average: 5598768 7357951 435482 5.35 60792 1880988 695311 7.57 632587 1635960 2513 00:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.70 0.08 0.09 0.04 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.82 0.14 0.20 0.10 0.00 0.00 0.00 0.00 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 0.66 0.17 0.21 0.13 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 0.30 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.63 0.33 0.18 0.78 0.00 0.00 0.00 0.00 01:50:05 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:05 ens3 56.98 39.20 295.78 10.83 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 36.89 32.39 521.68 2.51 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 88.23 84.77 1398.23 5.55 0.00 0.00 0.00 0.00 02:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:05 ens3 27.23 25.95 423.59 1.73 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 34.30 32.29 533.59 2.14 0.00 0.00 0.00 0.00 02:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:00 ens3 5.58 4.87 80.28 0.39 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 22.95 20.03 295.67 2.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66081) 04/03/26 _x86_64_ (2 CPU) 00:43:06 LINUX RESTART (2 CPU) 00:50:05 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.28 0.00 0.18 0.02 0.02 99.51 01:00:01 0 0.21 0.00 0.18 0.02 0.02 99.57 01:00:01 1 0.34 0.00 0.17 0.02 0.02 99.45 01:10:01 all 0.24 0.00 0.08 0.01 0.02 99.66 01:10:01 0 0.28 0.00 0.06 0.02 0.02 99.62 01:10:01 1 0.19 0.00 0.09 0.01 0.02 99.69 01:20:05 all 0.29 0.00 0.08 0.08 0.02 99.54 01:20:05 0 0.19 0.00 0.08 0.15 0.02 99.56 01:20:05 1 0.38 0.00 0.07 0.00 0.01 99.53 01:30:01 all 0.30 0.00 0.17 0.01 0.02 99.50 01:30:01 0 0.33 0.00 0.17 0.02 0.02 99.46 01:30:01 1 0.28 0.00 0.16 0.00 0.02 99.53 01:40:01 all 0.27 0.00 0.09 0.03 0.01 99.60 01:40:01 0 0.23 0.00 0.08 0.06 0.01 99.62 01:40:01 1 0.31 0.00 0.09 0.00 0.02 99.59 01:50:05 all 10.83 0.00 1.69 0.90 0.04 86.54 01:50:05 0 13.99 0.00 1.98 1.14 0.04 82.85 01:50:05 1 7.67 0.00 1.40 0.67 0.03 90.23 02:00:01 all 0.75 0.00 0.39 0.01 0.03 98.82 02:00:01 0 0.31 0.00 0.28 0.01 0.04 99.36 02:00:01 1 1.19 0.00 0.50 0.01 0.03 98.27 02:10:01 all 1.08 0.00 0.55 0.01 0.04 98.32 02:10:01 0 0.81 0.00 0.46 0.01 0.05 98.68 02:10:01 1 1.36 0.00 0.64 0.01 0.03 97.96 02:20:05 all 0.72 0.00 0.25 0.02 0.03 98.98 02:20:05 0 0.81 0.00 0.34 0.01 0.04 98.81 02:20:05 1 0.62 0.00 0.17 0.02 0.03 99.16 02:30:01 all 0.86 0.00 0.36 0.08 0.03 98.68 02:30:01 0 0.97 0.00 0.43 0.11 0.03 98.47 02:30:01 1 0.75 0.00 0.29 0.05 0.02 98.88 02:40:00 all 0.46 0.00 0.19 0.03 0.03 99.30 02:40:00 0 0.49 0.00 0.19 0.03 0.03 99.26 02:40:00 1 0.42 0.00 0.18 0.04 0.03 99.34 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.47 0.00 0.37 0.11 0.03 98.03 Average: 0 1.70 0.00 0.39 0.14 0.03 97.74 Average: 1 1.23 0.00 0.34 0.08 0.02 98.33