---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53649 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 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 749 5305 4 2174 7192 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:95:9c:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82153sec preferred_lft 82153sec inet6 fe80::f816:3eff:fe95:9c75/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53649) 03/28/26 _x86_64_ (2 CPU) 00:43:50 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:27 1.54 0.01 1.52 0.01 0.05 17.73 627.28 01:10:07 1.31 0.00 1.29 0.02 0.00 15.37 1.24 01:20:01 1.17 0.00 1.15 0.02 0.01 13.78 1.09 01:30:37 1.90 0.30 1.56 0.04 36.83 69.57 207.26 01:40:07 1.29 0.01 1.27 0.02 1.11 15.16 1.19 01:50:37 21.00 3.03 15.83 2.14 221.48 2980.96 477.20 Average: 4.84 0.58 3.87 0.39 45.00 538.81 227.46 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:27 6300380 7546872 273704 3.37 30616 1421532 520996 5.67 442956 1183244 164 01:10:07 6299244 7546272 274288 3.37 30816 1421860 521172 5.68 443224 1183772 176 01:20:01 6299704 7547268 273252 3.36 31020 1422184 521184 5.68 443532 1184300 124 01:30:37 6250964 7527192 292648 3.60 31416 1450084 718624 7.83 460452 1201532 124 01:40:07 6265876 7543080 276832 3.40 31604 1450856 521248 5.68 455156 1202048 76 01:50:37 5354400 7463032 308772 3.80 85584 2187088 553940 6.03 552560 1946380 528 Average: 6128428 7528953 283249 3.48 40176 1558934 559527 6.09 466313 1316879 199 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:27 ens3 0.55 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 1.28 0.07 6.66 0.04 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.54 0.08 0.12 0.06 0.00 0.00 0.00 0.00 01:30:37 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:37 ens3 0.64 0.21 2.90 0.04 0.00 0.00 0.00 0.00 01:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 0.43 0.09 0.11 0.06 0.00 0.00 0.00 0.00 01:50:37 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:37 ens3 61.44 40.85 283.75 11.11 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 11.21 7.16 50.79 1.96 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53649) 03/28/26 _x86_64_ (2 CPU) 00:43:50 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:27 all 0.26 0.00 0.16 0.10 0.03 99.45 01:00:27 0 0.18 0.00 0.14 0.19 0.03 99.46 01:00:27 1 0.35 0.00 0.17 0.01 0.03 99.44 01:10:07 all 0.22 0.00 0.07 0.01 0.03 99.67 01:10:07 0 0.17 0.00 0.07 0.00 0.03 99.73 01:10:07 1 0.27 0.00 0.07 0.01 0.03 99.62 01:20:01 all 0.22 0.00 0.07 0.01 0.03 99.67 01:20:01 0 0.14 0.00 0.08 0.00 0.04 99.73 01:20:01 1 0.29 0.00 0.06 0.02 0.03 99.60 01:30:37 all 0.37 0.00 0.19 0.03 0.04 99.38 01:30:37 0 0.53 0.00 0.21 0.04 0.03 99.19 01:30:37 1 0.21 0.00 0.17 0.01 0.04 99.56 01:40:07 all 0.27 0.00 0.07 0.01 0.04 99.61 01:40:07 0 0.13 0.00 0.09 0.01 0.04 99.73 01:40:07 1 0.41 0.00 0.05 0.02 0.04 99.49 01:50:37 all 10.09 0.00 1.57 0.74 0.05 87.55 01:50:37 0 11.36 0.00 1.59 0.79 0.05 86.20 01:50:37 1 8.81 0.00 1.54 0.69 0.05 88.90 Average: all 1.97 0.00 0.37 0.16 0.04 97.47 Average: 0 2.16 0.00 0.38 0.18 0.04 97.25 Average: 1 1.78 0.00 0.36 0.13 0.04 97.70