---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1656 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 8.0G 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 763 5199 4 2271 7177 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:f0:b0:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.145/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82253sec preferred_lft 82253sec inet6 fe80::f816:3eff:fef0:b0e1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1656) 08/03/26 _x86_64_ (2 CPU) 01:56:09 LINUX RESTART (2 CPU) 02:00:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:23 1.42 0.02 1.38 0.01 1.24 17.16 0.84 02:20:01 1.35 0.01 1.32 0.02 0.07 16.29 1.24 02:30:13 1.85 0.25 1.57 0.03 30.36 76.12 428.07 02:40:43 1.17 0.00 1.17 0.00 0.00 14.81 0.00 02:50:01 14.76 0.00 1.27 13.48 0.16 15.88 117327.66 03:00:27 14.09 1.56 11.64 0.89 111.79 2200.92 433.85 Average: 5.70 0.32 3.13 2.25 24.80 405.50 18304.54 02:00:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:23 6277108 7524032 296496 3.65 30604 1421964 528416 5.76 442372 1183552 136 02:20:01 6283772 7531216 289332 3.56 30832 1422260 528552 5.76 442532 1184064 264 02:30:13 6251780 7526632 293196 3.61 31208 1448924 729096 7.94 457040 1202324 180 02:40:43 6250300 7525680 294200 3.62 31376 1449252 730004 7.95 463696 1202848 184 02:50:01 6247784 7523700 295992 3.64 31544 1449600 730004 7.95 463788 1203336 240 03:00:27 5481080 7420200 359316 4.42 71868 2038240 785948 8.56 554096 1815476 44748 Average: 6131971 7508577 304755 3.75 37905 1538373 672003 7.32 470587 1298600 7625 02:00:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:23 ens3 0.77 0.05 0.09 0.02 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.93 0.07 4.29 0.04 0.00 0.00 0.00 0.00 02:30:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:13 ens3 0.50 0.21 3.18 0.03 0.00 0.00 0.00 0.00 02:40:43 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:43 ens3 6.15 3.67 4.41 3.42 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.29 0.06 0.08 0.04 0.00 0.00 0.00 0.00 03:00:27 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 03:00:27 ens3 39.77 25.13 266.91 9.43 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.38 5.07 48.36 2.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1656) 08/03/26 _x86_64_ (2 CPU) 01:56:09 LINUX RESTART (2 CPU) 02:00:21 CPU %user %nice %system %iowait %steal %idle 02:10:23 all 0.27 0.00 0.08 0.01 0.02 99.62 02:10:23 0 0.21 0.00 0.09 0.00 0.02 99.68 02:10:23 1 0.33 0.00 0.08 0.01 0.02 99.56 02:20:01 all 0.27 0.00 0.08 0.01 0.03 99.61 02:20:01 0 0.10 0.00 0.09 0.01 0.03 99.77 02:20:01 1 0.44 0.00 0.07 0.01 0.03 99.46 02:30:13 all 0.43 0.00 0.18 0.02 0.03 99.35 02:30:13 0 0.32 0.00 0.20 0.02 0.03 99.43 02:30:13 1 0.53 0.00 0.16 0.02 0.02 99.27 02:40:43 all 0.44 0.00 0.10 0.01 0.03 99.42 02:40:43 0 0.30 0.00 0.11 0.01 0.04 99.54 02:40:43 1 0.59 0.00 0.09 0.00 0.03 99.29 02:50:01 all 0.24 0.00 0.10 0.03 0.03 99.60 02:50:01 0 0.41 0.00 0.08 0.01 0.02 99.48 02:50:01 1 0.06 0.00 0.11 0.06 0.04 99.73 03:00:27 all 6.13 0.00 0.98 0.32 0.04 92.52 03:00:27 0 5.87 0.00 1.01 0.25 0.05 92.82 03:00:27 1 6.38 0.00 0.95 0.39 0.04 92.23 Average: all 1.34 0.00 0.26 0.07 0.03 98.30 Average: 0 1.24 0.00 0.27 0.05 0.03 98.41 Average: 1 1.43 0.00 0.25 0.08 0.03 98.20