---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1378 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 747 5288 4 2195 7194 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:4a:14:50 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.36/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81699sec preferred_lft 81699sec inet6 fe80::f816:3eff:fe4a:1450/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1378) 04/09/26 _x86_64_ (2 CPU) 01:47:31 LINUX RESTART (2 CPU) 01:50:33 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:33 1.49 0.02 1.45 0.01 1.24 17.71 653.44 02:10:01 1.28 0.01 1.26 0.01 0.06 15.04 1.01 02:20:35 1.23 0.00 1.22 0.02 0.01 14.59 1.14 02:30:35 1.51 0.00 1.48 0.03 0.00 17.82 654.72 02:40:01 1.39 0.00 1.37 0.02 0.00 15.82 1.15 02:50:35 17.45 1.58 3.89 11.98 130.20 417.78 103260.97 03:00:24 21.54 1.70 17.61 2.23 133.27 3055.96 1581.89 Average: 6.64 0.48 4.02 2.14 38.62 503.98 16043.98 01:50:33 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:33 6293208 7544076 276288 3.40 30652 1425832 527748 5.75 442040 1187216 124 02:10:01 6293208 7544600 275756 3.39 30844 1426160 527772 5.75 442184 1187736 124 02:20:35 6292984 7544916 275376 3.39 31056 1426520 527916 5.75 442344 1188276 160 02:30:35 6298856 7551368 268940 3.31 31268 1426852 527940 5.75 442492 1188844 176 02:40:01 6290576 7543592 276708 3.40 31464 1427144 530100 5.77 439464 1189340 240 02:50:35 5865948 7365720 442676 5.44 47916 1647300 683580 7.45 636096 1401828 98528 03:00:24 5290384 7408976 362520 4.46 85396 2197268 642432 7.00 604196 1956308 272 Average: 6089309 7500464 311181 3.83 41228 1568154 566784 6.17 492688 1328507 14232 01:50:33 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:33 ens3 0.69 0.06 0.09 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.40 0.04 0.06 0.02 0.00 0.00 0.00 0.00 02:20:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:35 ens3 0.78 0.04 5.38 0.01 0.00 0.00 0.00 0.00 02:30:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:35 ens3 0.26 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.30 0.06 0.08 0.04 0.00 0.00 0.00 0.00 02:50:35 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 02:50:35 ens3 22.39 13.69 125.36 4.63 0.00 0.00 0.00 0.00 03:00:24 lo 1.26 1.26 0.10 0.10 0.00 0.00 0.00 0.00 03:00:24 ens3 89.06 62.76 182.55 13.63 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 16.25 10.92 45.48 2.63 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1378) 04/09/26 _x86_64_ (2 CPU) 01:47:31 LINUX RESTART (2 CPU) 01:50:33 CPU %user %nice %system %iowait %steal %idle 02:00:33 all 0.28 0.00 0.18 0.02 0.02 99.50 02:00:33 0 0.22 0.00 0.20 0.03 0.02 99.53 02:00:33 1 0.35 0.00 0.15 0.02 0.02 99.47 02:10:01 all 0.28 0.00 0.08 0.06 0.02 99.56 02:10:01 0 0.17 0.00 0.08 0.01 0.02 99.72 02:10:01 1 0.39 0.00 0.08 0.11 0.02 99.40 02:20:35 all 0.27 0.00 0.08 0.04 0.02 99.60 02:20:35 0 0.34 0.00 0.08 0.02 0.02 99.54 02:20:35 1 0.19 0.00 0.08 0.06 0.02 99.65 02:30:35 all 0.28 0.00 0.17 0.01 0.02 99.53 02:30:35 0 0.47 0.00 0.14 0.01 0.01 99.36 02:30:35 1 0.09 0.00 0.19 0.01 0.02 99.69 02:40:01 all 0.31 0.00 0.07 0.01 0.02 99.59 02:40:01 0 0.13 0.00 0.08 0.01 0.02 99.76 02:40:01 1 0.49 0.00 0.07 0.02 0.02 99.41 02:50:35 all 2.26 0.00 0.37 0.20 0.03 97.15 02:50:35 0 2.90 0.00 0.43 0.18 0.03 96.46 02:50:35 1 1.62 0.00 0.30 0.21 0.03 97.83 03:00:24 all 12.31 0.00 1.83 3.17 0.05 82.63 03:00:24 0 12.31 0.00 1.81 0.93 0.05 84.90 03:00:24 1 12.32 0.00 1.86 5.41 0.05 80.37 Average: all 2.27 0.00 0.39 0.49 0.02 96.82 Average: 0 2.36 0.00 0.40 0.17 0.02 97.05 Average: 1 2.18 0.00 0.39 0.82 0.02 96.58