---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26306 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 8.0G 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 758 5192 4 2283 7183 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:33:88:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81901sec preferred_lft 81901sec inet6 fe80::f816:3eff:fe33:8888/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26306) 06/10/26 _x86_64_ (2 CPU) 00:42:42 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:00 1.45 0.01 1.42 0.02 0.05 17.81 872.01 01:10:00 1.86 0.25 1.58 0.03 30.97 74.43 1.49 01:20:00 1.40 0.01 1.39 0.01 1.07 16.20 0.41 01:30:00 1.55 0.00 1.53 0.02 0.00 18.89 871.08 01:40:00 1.34 0.00 1.34 0.00 0.00 15.93 0.00 01:50:00 23.51 3.00 18.20 2.31 227.51 3491.48 610.20 Average: 5.19 0.54 4.24 0.40 43.27 605.78 392.53 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:00 6292588 7544100 276532 3.40 30704 1426408 527392 5.74 440428 1187560 160 01:10:00 6246044 7524344 295836 3.64 31088 1452472 722984 7.87 454856 1205244 124 01:20:00 6250764 7529892 290272 3.57 31260 1453112 527632 5.75 455588 1205744 124 01:30:00 6250068 7529752 290360 3.57 31456 1453444 527700 5.75 455592 1206272 160 01:40:00 6263424 7543740 276356 3.40 31624 1453908 527860 5.75 456008 1206768 152 01:50:00 5200936 7412232 355172 4.37 86816 2284588 629216 6.85 595476 2047088 256 Average: 6083971 7514010 297421 3.66 40491 1587322 577131 6.29 476325 1343113 163 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.55 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:10:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 1.25 0.27 9.69 0.05 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.57 0.08 0.63 0.06 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.35 0.15 0.07 0.44 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.47 0.13 0.16 0.08 0.00 0.00 0.00 0.00 01:50:00 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:00 ens3 113.28 81.17 326.77 18.05 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 19.41 13.64 56.23 3.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26306) 06/10/26 _x86_64_ (2 CPU) 00:42:42 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:00 all 0.29 0.00 0.18 0.01 0.08 99.44 01:00:00 0 0.28 0.00 0.18 0.01 0.06 99.47 01:00:00 1 0.30 0.00 0.19 0.01 0.11 99.40 01:10:00 all 0.37 0.00 0.11 0.05 0.02 99.46 01:10:00 0 0.24 0.00 0.11 0.03 0.02 99.59 01:10:00 1 0.49 0.00 0.11 0.06 0.02 99.32 01:20:00 all 0.29 0.00 0.08 0.12 0.02 99.49 01:20:00 0 0.44 0.00 0.07 0.21 0.02 99.26 01:20:00 1 0.15 0.00 0.08 0.03 0.02 99.72 01:30:00 all 0.31 0.00 0.17 0.08 0.02 99.43 01:30:00 0 0.42 0.00 0.15 0.10 0.01 99.32 01:30:00 1 0.20 0.00 0.19 0.05 0.02 99.54 01:40:00 all 0.25 0.00 0.07 0.02 0.01 99.65 01:40:00 0 0.06 0.00 0.09 0.01 0.02 99.83 01:40:00 1 0.45 0.00 0.05 0.03 0.01 99.47 01:50:00 all 14.85 0.00 2.04 0.57 0.05 82.49 01:50:00 0 15.95 0.00 2.21 0.68 0.05 81.10 01:50:00 1 13.75 0.00 1.87 0.46 0.04 83.88 Average: all 2.72 0.00 0.44 0.14 0.03 96.66 Average: 0 2.89 0.00 0.47 0.18 0.03 96.43 Average: 1 2.55 0.00 0.41 0.11 0.04 96.89