---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39520 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 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 765 5184 4 2285 7176 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:99:c1:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82110sec preferred_lft 82110sec inet6 fe80::f816:3eff:fe99:c1e4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39520) 07/28/26 _x86_64_ (2 CPU) 01:48:45 LINUX RESTART (2 CPU) 01:50:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:21 1.48 0.03 1.44 0.02 1.24 18.01 436.65 02:10:21 1.19 0.01 1.17 0.01 0.05 14.65 1.08 02:20:21 1.37 0.00 1.35 0.02 0.01 15.95 1.20 02:30:15 2.17 0.26 1.87 0.04 32.36 80.64 441.88 02:40:21 1.36 0.00 1.34 0.01 0.00 15.97 1.07 02:50:05 14.18 0.00 1.27 12.91 0.15 15.72 112160.09 Average: 3.58 0.05 1.41 2.12 5.61 26.76 18416.20 01:50:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:21 6280540 7526884 293496 3.61 30520 1421704 521108 5.68 445560 1183124 132 02:10:21 6279532 7526408 294000 3.62 30716 1422036 521108 5.68 445592 1183652 124 02:20:21 6278620 7526024 294376 3.62 30920 1422356 521320 5.68 445644 1184176 124 02:30:15 6240740 7515860 303968 3.74 31324 1449272 522240 5.69 454392 1202420 124 02:40:21 6248552 7524196 295688 3.64 31512 1449600 522240 5.69 454476 1202936 120 02:50:05 6257620 7533972 285848 3.51 31712 1450096 522240 5.69 454880 1203476 220 Average: 6264267 7525557 294563 3.62 31117 1435844 521709 5.68 450091 1193297 141 01:50:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:21 ens3 1.99 0.11 0.35 0.04 0.00 0.00 0.00 0.00 02:10:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:21 ens3 0.36 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:20:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:21 ens3 0.41 0.03 5.08 0.01 0.00 0.00 0.00 0.00 02:30:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:15 ens3 0.71 0.24 4.24 0.03 0.00 0.00 0.00 0.00 02:40:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:21 ens3 0.26 0.05 0.06 0.03 0.00 0.00 0.00 0.00 02:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:05 ens3 0.27 0.05 0.09 0.05 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 0.67 0.08 1.64 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39520) 07/28/26 _x86_64_ (2 CPU) 01:48:45 LINUX RESTART (2 CPU) 01:50:21 CPU %user %nice %system %iowait %steal %idle 02:00:21 all 0.31 0.00 0.16 0.01 0.02 99.49 02:00:21 0 0.22 0.00 0.17 0.01 0.02 99.58 02:00:21 1 0.40 0.00 0.16 0.02 0.02 99.41 02:10:21 all 0.22 0.00 0.07 0.07 0.02 99.62 02:10:21 0 0.04 0.00 0.08 0.01 0.02 99.85 02:10:21 1 0.39 0.00 0.06 0.14 0.02 99.39 02:20:21 all 0.24 0.00 0.08 0.03 0.02 99.64 02:20:21 0 0.36 0.00 0.08 0.00 0.02 99.54 02:20:21 1 0.11 0.00 0.08 0.06 0.02 99.73 02:30:15 all 0.44 0.00 0.20 0.02 0.02 99.33 02:30:15 0 0.27 0.00 0.19 0.01 0.02 99.51 02:30:15 1 0.60 0.00 0.20 0.04 0.02 99.14 02:40:21 all 0.26 0.00 0.08 0.01 0.02 99.64 02:40:21 0 0.06 0.00 0.09 0.00 0.02 99.83 02:40:21 1 0.45 0.00 0.07 0.01 0.02 99.45 02:50:05 all 0.29 0.00 0.09 0.03 0.02 99.58 02:50:05 0 0.39 0.00 0.08 0.02 0.01 99.50 02:50:05 1 0.19 0.00 0.10 0.04 0.02 99.65 Average: all 0.29 0.00 0.11 0.03 0.02 99.55 Average: 0 0.22 0.00 0.11 0.01 0.02 99.64 Average: 1 0.36 0.00 0.11 0.05 0.02 99.46