---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32544 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 748 5216 4 2269 7192 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:bc:28:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.146/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82266sec preferred_lft 82266sec inet6 fe80::f816:3eff:febc:2826/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32544) 07/03/26 _x86_64_ (2 CPU) 01:58:51 LINUX RESTART (2 CPU) 02:00:34 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:34 1.46 0.03 1.43 0.01 1.24 1735.28 0.60 02:20:01 1.24 0.01 1.21 0.02 0.07 14.60 1.14 02:30:34 1.42 0.00 1.39 0.03 0.00 17.14 621.13 02:40:34 1.82 0.25 1.54 0.03 30.97 75.40 1.37 02:50:02 1.38 0.01 1.35 0.02 1.11 16.26 1.20 03:00:28 14.02 0.40 1.59 12.03 15.50 49.47 104443.25 Average: 3.66 0.12 1.42 2.12 8.27 318.77 18327.06 02:00:34 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:34 6289296 7540184 280024 3.44 30600 1426104 521480 5.68 443248 1187416 124 02:20:01 6289048 7540468 279840 3.44 30800 1426436 521476 5.68 443352 1187944 184 02:30:34 6282076 7534076 286208 3.52 31028 1426760 521680 5.68 443264 1188500 124 02:40:34 6239496 7518624 301184 3.70 31400 1453160 728844 7.94 458000 1206508 124 02:50:02 6249380 7529360 290536 3.57 31596 1453804 525744 5.73 459868 1207036 124 03:00:28 6216316 7511580 307928 3.79 31960 1468548 543632 5.92 485488 1220480 136 Average: 6260935 7529049 290953 3.58 31231 1442469 560476 6.10 455537 1199647 136 02:00:34 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:34 ens3 1.32 0.07 0.15 0.02 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.44 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:30:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:34 ens3 0.94 0.03 9.92 0.01 0.00 0.00 0.00 0.00 02:40:34 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:34 ens3 1.05 0.54 4.08 0.09 0.00 0.00 0.00 0.00 02:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 0.44 0.12 0.15 0.09 0.00 0.00 0.00 0.00 03:00:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:28 ens3 8.16 4.69 19.14 3.01 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.12 0.95 5.82 0.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32544) 07/03/26 _x86_64_ (2 CPU) 01:58:51 LINUX RESTART (2 CPU) 02:00:34 CPU %user %nice %system %iowait %steal %idle 02:10:34 all 0.26 0.00 0.09 0.01 0.02 99.62 02:10:34 0 0.06 0.00 0.10 0.01 0.02 99.81 02:10:34 1 0.46 0.00 0.08 0.02 0.02 99.43 02:20:01 all 0.26 0.00 0.08 0.23 0.02 99.42 02:20:01 0 0.06 0.00 0.09 0.00 0.02 99.84 02:20:01 1 0.46 0.00 0.06 0.45 0.01 99.01 02:30:34 all 0.27 0.00 0.16 0.16 0.02 99.39 02:30:34 0 0.25 0.00 0.15 0.00 0.02 99.58 02:30:34 1 0.29 0.00 0.17 0.32 0.02 99.20 02:40:34 all 0.36 0.00 0.11 0.02 0.01 99.50 02:40:34 0 0.48 0.00 0.10 0.01 0.01 99.40 02:40:34 1 0.25 0.00 0.12 0.02 0.02 99.60 02:50:02 all 0.31 0.00 0.08 0.01 0.01 99.59 02:50:02 0 0.25 0.00 0.08 0.00 0.01 99.66 02:50:02 1 0.38 0.00 0.08 0.01 0.01 99.52 03:00:28 all 0.63 0.00 0.20 0.06 0.26 98.85 03:00:28 0 0.60 0.00 0.20 0.03 0.38 98.79 03:00:28 1 0.66 0.00 0.20 0.09 0.13 98.92 Average: all 0.35 0.00 0.12 0.08 0.06 99.39 Average: 0 0.29 0.00 0.12 0.01 0.08 99.50 Average: 1 0.42 0.00 0.12 0.15 0.04 99.27