---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22198 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 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 755 5294 4 2180 7186 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:c8:5d:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82199sec preferred_lft 82199sec inet6 fe80::f816:3eff:fec8:5d53/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22198) 03/24/26 _x86_64_ (2 CPU) 01:54:25 LINUX RESTART (2 CPU) 02:00:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:09 1.43 0.01 1.42 0.00 0.06 16.41 0.25 02:20:31 1.37 0.00 1.35 0.02 0.01 15.74 1.16 02:30:32 1.50 0.00 1.47 0.03 0.00 17.76 436.40 02:40:19 1.21 0.00 1.20 0.02 0.00 14.56 1.23 02:50:00 1.69 0.32 1.34 0.03 40.23 64.77 1.32 03:00:09 22.13 2.98 16.92 2.23 225.75 3037.93 815.71 Average: 4.96 0.56 4.00 0.39 44.92 537.60 212.57 02:00:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:09 6293416 7539548 281092 3.46 30620 1421236 528212 5.75 445744 1183256 172 02:20:31 6313468 7560184 260444 3.20 30832 1421600 528444 5.76 445828 1183832 172 02:30:32 6309476 7556720 263892 3.24 31060 1421920 528452 5.76 445872 1184348 172 02:40:19 6309292 7557044 263584 3.24 31244 1422216 528516 5.76 446056 1184848 180 02:50:00 6112672 7389052 430868 5.30 31608 1450084 725624 7.90 593300 1202028 2532 03:00:09 5341424 7447500 324456 3.99 85032 2185228 599392 6.53 569084 1944600 10916 Average: 6113291 7508341 304056 3.74 40066 1553714 573107 6.24 490981 1313819 2357 02:00:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 0.47 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:31 ens3 0.38 0.03 4.57 0.01 0.00 0.00 0.00 0.00 02:30:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:32 ens3 0.21 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:40:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:19 ens3 0.34 0.07 0.11 0.05 0.00 0.00 0.00 0.00 02:50:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 0.37 0.19 3.12 0.03 0.00 0.00 0.00 0.00 03:00:09 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:09 ens3 52.27 32.68 292.16 10.33 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 9.18 5.61 50.99 1.78 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22198) 03/24/26 _x86_64_ (2 CPU) 01:54:25 LINUX RESTART (2 CPU) 02:00:30 CPU %user %nice %system %iowait %steal %idle 02:10:09 all 0.25 0.00 0.08 0.01 0.04 99.62 02:10:09 0 0.07 0.00 0.09 0.02 0.04 99.78 02:10:09 1 0.43 0.00 0.08 0.01 0.03 99.46 02:20:31 all 0.26 0.00 0.07 0.01 0.03 99.62 02:20:31 0 0.06 0.00 0.09 0.02 0.04 99.80 02:20:31 1 0.47 0.00 0.05 0.01 0.03 99.44 02:30:32 all 0.28 0.00 0.17 0.02 0.04 99.50 02:30:32 0 0.07 0.00 0.20 0.02 0.04 99.68 02:30:32 1 0.48 0.00 0.14 0.02 0.03 99.33 02:40:19 all 0.26 0.00 0.07 0.01 0.03 99.63 02:40:19 0 0.05 0.00 0.09 0.02 0.03 99.80 02:40:19 1 0.47 0.00 0.05 0.01 0.03 99.46 02:50:00 all 0.35 0.00 0.11 0.10 0.03 99.41 02:50:00 0 0.13 0.00 0.12 0.07 0.03 99.65 02:50:00 1 0.57 0.00 0.10 0.13 0.03 99.17 03:00:09 all 10.77 0.00 1.78 1.02 0.06 86.37 03:00:09 0 12.39 0.00 1.99 0.98 0.06 84.57 03:00:09 1 9.15 0.00 1.57 1.07 0.05 88.16 Average: all 2.06 0.00 0.39 0.20 0.04 97.32 Average: 0 2.17 0.00 0.44 0.19 0.04 97.17 Average: 1 1.95 0.00 0.34 0.21 0.03 97.47