---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36812 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: 5599.94 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 8.1G 30G 22% / 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 769 5001 4 2472 7172 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:0f:5b:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82098sec preferred_lft 82098sec inet6 fe80::f816:3eff:fe0f:5b6f/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-36812) 07/18/26 _x86_64_ (2 CPU) 01:58:09 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.33 0.02 1.30 0.00 1.24 15.38 0.12 02:20:29 1.37 0.01 1.35 0.01 0.06 15.87 0.80 02:30:01 1.53 0.00 1.50 0.03 0.00 18.20 914.40 02:40:01 1.86 0.25 1.58 0.03 30.97 76.20 1.33 02:50:09 1.43 0.02 1.39 0.02 2.12 16.64 1.23 03:00:01 1.56 0.00 1.53 0.03 0.00 19.07 883.95 Average: 1.51 0.05 1.44 0.02 5.74 26.87 291.44 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6289940 7536956 283692 3.49 30524 1422180 534868 5.83 446168 1183328 140 02:20:29 6289448 7537048 283612 3.49 30748 1422536 534836 5.83 446216 1183908 164 02:30:01 6286972 7535088 285548 3.51 30948 1422832 535048 5.83 446376 1184404 124 02:40:01 6241464 7516884 303228 3.73 31336 1449400 743544 8.10 461128 1202596 124 02:50:09 6249328 7525960 294132 3.62 31556 1450372 743608 8.10 461828 1203228 180 03:00:01 6246100 7523460 296540 3.65 31792 1450824 746268 8.13 462568 1203788 240 Average: 6267209 7529233 291125 3.58 31151 1436357 639695 6.97 454047 1193542 162 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.55 0.05 0.18 0.01 0.00 0.00 0.00 0.00 02:20:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:29 ens3 0.39 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.46 0.06 1.12 0.04 0.00 0.00 0.00 0.00 02:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 1.07 0.30 4.08 0.08 0.00 0.00 0.00 0.00 02:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:09 ens3 0.38 0.13 0.13 0.06 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.46 0.25 0.15 0.63 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 0.72 0.14 0.94 0.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36812) 07/18/26 _x86_64_ (2 CPU) 01:58:09 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.30 0.00 0.09 0.01 0.02 99.58 02:10:01 0 0.09 0.00 0.10 0.01 0.02 99.78 02:10:01 1 0.52 0.00 0.08 0.01 0.02 99.38 02:20:29 all 0.26 0.00 0.08 1.37 0.02 98.27 02:20:29 0 0.06 0.00 0.09 0.01 0.02 99.82 02:20:29 1 0.46 0.00 0.07 2.74 0.02 96.72 02:30:01 all 0.29 0.00 0.17 0.02 0.02 99.50 02:30:01 0 0.24 0.00 0.16 0.00 0.02 99.57 02:30:01 1 0.34 0.00 0.17 0.03 0.02 99.44 02:40:01 all 0.39 0.00 0.10 0.02 0.02 99.48 02:40:01 0 0.37 0.00 0.08 0.01 0.02 99.52 02:40:01 1 0.40 0.00 0.12 0.03 0.02 99.43 02:50:09 all 0.30 0.00 0.08 0.01 0.02 99.60 02:50:09 0 0.46 0.00 0.06 0.01 0.01 99.46 02:50:09 1 0.13 0.00 0.10 0.01 0.02 99.73 03:00:01 all 0.31 0.00 0.17 0.01 0.02 99.48 03:00:01 0 0.32 0.00 0.16 0.00 0.02 99.50 03:00:01 1 0.30 0.00 0.18 0.02 0.02 99.47 Average: all 0.31 0.00 0.11 0.25 0.02 99.31 Average: 0 0.25 0.00 0.11 0.01 0.02 99.61 Average: 1 0.36 0.00 0.12 0.49 0.02 99.01