---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32740 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 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 759 5115 4 2359 7182 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:79:d2:cd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.120/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82028sec preferred_lft 82028sec inet6 fe80::f816:3eff:fe79:d2cd/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-32740) 07/04/26 _x86_64_ (2 CPU) 00:41:12 LINUX RESTART (2 CPU) 00:50:41 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:41 1.64 0.01 1.62 0.02 0.05 19.40 654.28 01:10:01 14.84 0.00 1.39 13.45 0.16 16.19 116979.05 01:20:11 1.44 0.00 1.42 0.02 0.01 16.31 1.18 01:30:41 1.54 0.00 1.52 0.03 0.00 18.01 416.41 01:40:01 1.90 0.27 1.60 0.03 33.19 80.04 1.23 01:50:41 23.50 2.84 18.48 2.19 214.80 3434.58 870.88 Average: 7.57 0.55 4.53 2.50 43.38 634.70 18533.92 00:50:41 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:41 6286892 7534432 286056 3.52 30728 1422504 529124 5.76 452464 1183740 124 01:10:01 6299832 7547916 272512 3.35 30936 1422844 529124 5.76 452404 1184248 148 01:20:11 6305740 7554388 266056 3.27 31148 1423172 529620 5.77 449116 1184800 124 01:30:41 6299680 7548904 271476 3.34 31364 1423532 529812 5.77 449016 1185364 184 01:40:01 6247436 7523940 295996 3.64 31744 1450048 730408 7.96 465588 1203380 124 01:50:41 5125936 7370244 378264 4.65 86824 2315664 657728 7.16 616132 2078156 296 Average: 6094253 7513304 295060 3.63 40457 1576294 584303 6.36 480787 1336615 167 00:50:41 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:41 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:41 ens3 0.56 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.78 0.05 3.91 0.04 0.00 0.00 0.00 0.00 01:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:11 ens3 0.65 0.14 0.65 0.10 0.00 0.00 0.00 0.00 01:30:41 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:41 ens3 0.33 0.07 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 1.36 0.74 3.60 0.80 0.00 0.00 0.00 0.00 01:50:41 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:41 ens3 77.27 59.84 325.19 14.62 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 14.33 10.81 59.12 2.76 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32740) 07/04/26 _x86_64_ (2 CPU) 00:41:12 LINUX RESTART (2 CPU) 00:50:41 CPU %user %nice %system %iowait %steal %idle 01:00:41 all 0.27 0.00 0.16 0.01 0.03 99.52 01:00:41 0 0.39 0.00 0.16 0.02 0.03 99.41 01:00:41 1 0.16 0.00 0.17 0.01 0.03 99.64 01:10:01 all 0.25 0.00 0.08 0.04 0.03 99.60 01:10:01 0 0.45 0.00 0.05 0.02 0.02 99.46 01:10:01 1 0.06 0.00 0.11 0.05 0.04 99.74 01:20:11 all 0.29 0.00 0.07 0.01 0.03 99.60 01:20:11 0 0.37 0.00 0.05 0.02 0.02 99.54 01:20:11 1 0.21 0.00 0.10 0.00 0.04 99.66 01:30:41 all 0.23 0.00 0.15 0.02 0.03 99.58 01:30:41 0 0.22 0.00 0.14 0.01 0.03 99.60 01:30:41 1 0.24 0.00 0.15 0.02 0.03 99.55 01:40:01 all 0.37 0.00 0.09 0.03 0.03 99.48 01:40:01 0 0.48 0.00 0.07 0.03 0.02 99.40 01:40:01 1 0.27 0.00 0.12 0.02 0.03 99.56 01:50:41 all 16.13 0.00 1.77 0.54 0.06 81.49 01:50:41 0 19.02 0.00 1.68 0.79 0.06 78.45 01:50:41 1 13.25 0.00 1.87 0.29 0.06 84.53 Average: all 3.10 0.00 0.41 0.11 0.03 96.35 Average: 0 3.68 0.00 0.38 0.16 0.03 95.75 Average: 1 2.51 0.00 0.44 0.07 0.04 96.95