---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22065 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 772 5190 4 2270 7169 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:19:af:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.121/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81882sec preferred_lft 81882sec inet6 fe80::f816:3eff:fe19:af21/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22065) 06/01/26 _x86_64_ (2 CPU) 00:40:31 LINUX RESTART (2 CPU) 00:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.37 0.01 1.35 0.02 0.05 17.08 442.30 01:10:10 1.25 0.00 1.23 0.02 0.00 15.10 1.30 01:20:10 1.77 0.25 1.49 0.03 30.99 74.16 1.37 01:30:01 1.64 0.01 1.61 0.03 1.07 19.23 1.54 01:40:05 1.66 0.41 1.23 0.02 15.93 46.41 1.19 01:50:10 22.64 2.60 17.76 2.28 210.51 3386.89 568.36 Average: 5.08 0.55 4.13 0.40 43.36 597.16 169.05 00:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6282960 7529604 290884 3.58 30708 1421592 535704 5.83 452496 1183624 244 01:10:10 6282720 7529900 290568 3.57 30912 1421920 535736 5.84 452704 1184152 148 01:20:10 6230920 7504964 315064 3.87 31296 1448056 732164 7.97 467456 1201912 124 01:30:01 6260260 7535188 284836 3.50 31508 1448700 536080 5.84 462012 1202456 244 01:40:05 6236688 7526940 292716 3.60 31860 1463584 552452 6.02 486812 1216044 304 01:50:10 5184576 7380884 386964 4.76 86452 2270596 664664 7.24 624540 2033612 172 Average: 6079687 7501247 310172 3.81 40456 1579075 592800 6.46 491003 1336967 206 00:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.50 0.07 0.07 0.03 0.00 0.00 0.00 0.00 01:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:10 ens3 0.58 0.08 0.14 0.05 0.00 0.00 0.00 0.00 01:20:10 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:10 ens3 0.71 0.26 3.24 0.07 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.68 0.06 0.12 0.03 0.00 0.00 0.00 0.00 01:40:05 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 12.73 5.60 20.18 3.35 0.00 0.00 0.00 0.00 01:50:10 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:10 ens3 102.76 72.80 303.50 15.26 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 19.79 13.24 54.93 3.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22065) 06/01/26 _x86_64_ (2 CPU) 00:40:31 LINUX RESTART (2 CPU) 00:50:09 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.29 0.00 0.16 0.01 0.04 99.50 01:00:01 0 0.47 0.00 0.15 0.01 0.03 99.35 01:00:01 1 0.10 0.00 0.18 0.02 0.05 99.65 01:10:10 all 0.28 0.00 0.07 0.01 0.04 99.61 01:10:10 0 0.08 0.00 0.08 0.00 0.04 99.80 01:10:10 1 0.47 0.00 0.06 0.01 0.03 99.42 01:20:10 all 0.34 0.00 0.10 0.02 0.04 99.51 01:20:10 0 0.41 0.00 0.07 0.01 0.04 99.47 01:20:10 1 0.26 0.00 0.12 0.04 0.04 99.54 01:30:01 all 0.26 0.00 0.15 0.01 0.04 99.53 01:30:01 0 0.45 0.00 0.15 0.02 0.03 99.35 01:30:01 1 0.07 0.00 0.16 0.00 0.04 99.72 01:40:05 all 0.50 0.00 0.09 0.01 0.03 99.36 01:40:05 0 0.59 0.00 0.10 0.02 0.02 99.27 01:40:05 1 0.40 0.00 0.08 0.01 0.04 99.46 01:50:10 all 14.12 0.00 1.96 0.61 0.07 83.24 01:50:10 0 13.52 0.00 2.04 0.43 0.07 83.94 01:50:10 1 14.73 0.00 1.87 0.78 0.07 82.55 Average: all 2.64 0.00 0.42 0.11 0.04 96.78 Average: 0 2.60 0.00 0.43 0.08 0.04 96.85 Average: 1 2.69 0.00 0.41 0.14 0.05 96.71