---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26585 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 804 5103 4 2334 7137 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:8e:81:12 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82172sec preferred_lft 82172sec inet6 fe80::f816:3eff:fe8e:8112/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26585) 06/11/26 _x86_64_ (2 CPU) 01:58:16 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:05 1.28 0.02 1.24 0.01 1.23 15.79 0.60 02:20:05 1.19 0.01 1.17 0.02 0.07 14.73 1.09 02:30:05 15.62 13.54 2.00 0.08 151.12 45.37 7.95 02:40:05 1.19 0.00 1.18 0.02 0.00 14.72 1.20 02:50:05 1.81 0.25 1.53 0.03 30.97 74.56 1.37 03:00:05 14.20 0.01 1.56 12.63 1.20 20.01 109118.23 Average: 5.88 2.30 1.45 2.13 30.74 30.85 18170.69 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:05 6271668 7522784 297596 3.66 30628 1426316 530240 5.78 443836 1187304 172 02:20:05 6271668 7523352 297076 3.65 30852 1426656 530316 5.78 443980 1187868 216 02:30:05 6215472 7524312 286960 3.53 35024 1471280 530408 5.78 444576 1236056 180 02:40:05 6215248 7524596 286716 3.53 35208 1471600 530472 5.78 444856 1236560 188 02:50:05 6175280 7511460 299316 3.68 35592 1497684 726092 7.91 459372 1254264 188 03:00:05 6177408 7514640 296040 3.64 35800 1498492 530600 5.78 455028 1254812 204 Average: 6221124 7520191 293951 3.61 33851 1465338 563021 6.13 448608 1226144 191 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 1.63 0.09 0.30 0.02 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 0.39 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:05 ens3 0.60 0.04 13.50 0.01 0.00 0.00 0.00 0.00 02:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:05 ens3 0.40 0.07 0.39 0.05 0.00 0.00 0.00 0.00 02:50:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:05 ens3 0.80 0.45 3.19 0.06 0.00 0.00 0.00 0.00 03:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:05 ens3 0.39 0.15 0.13 0.48 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 0.70 0.14 2.93 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26585) 06/11/26 _x86_64_ (2 CPU) 01:58:16 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:05 all 0.28 0.00 0.07 0.01 0.04 99.60 02:10:05 0 0.48 0.00 0.05 0.01 0.03 99.43 02:10:05 1 0.07 0.00 0.09 0.02 0.05 99.77 02:20:05 all 0.25 0.00 0.07 0.01 0.04 99.63 02:20:05 0 0.45 0.00 0.06 0.02 0.03 99.44 02:20:05 1 0.05 0.00 0.09 0.00 0.05 99.82 02:30:05 all 0.32 0.18 0.22 0.14 0.04 99.10 02:30:05 0 0.45 0.01 0.16 0.05 0.03 99.31 02:30:05 1 0.20 0.35 0.29 0.23 0.05 98.88 02:40:05 all 0.24 0.00 0.07 0.03 0.04 99.63 02:40:05 0 0.42 0.00 0.04 0.01 0.03 99.50 02:40:05 1 0.07 0.00 0.09 0.05 0.04 99.75 02:50:05 all 0.38 0.00 0.10 0.04 0.03 99.44 02:50:05 0 0.47 0.00 0.12 0.05 0.03 99.33 02:50:05 1 0.30 0.00 0.09 0.04 0.03 99.55 03:00:05 all 0.29 0.00 0.17 0.06 0.03 99.45 03:00:05 0 0.49 0.00 0.14 0.05 0.02 99.30 03:00:05 1 0.09 0.00 0.20 0.08 0.04 99.60 Average: all 0.29 0.03 0.12 0.05 0.04 99.47 Average: 0 0.46 0.00 0.09 0.03 0.03 99.39 Average: 1 0.13 0.06 0.14 0.07 0.04 99.56