---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23538 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 768 5135 4 2337 7172 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:c0:e8:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81983sec preferred_lft 81983sec inet6 fe80::f816:3eff:fec0:e89f/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-23538) 06/04/26 _x86_64_ (2 CPU) 00:42:29 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:16 15.26 13.23 1.97 0.06 147.58 43.79 430.48 01:10:17 13.88 0.00 1.33 12.55 0.15 15.41 108875.65 01:20:00 1.19 0.00 1.18 0.01 0.01 13.97 0.74 01:30:19 2.07 0.25 1.77 0.05 31.04 75.60 440.57 01:40:19 1.24 0.00 1.23 0.02 0.00 15.29 1.20 01:50:01 25.03 3.12 19.54 2.37 234.58 3530.28 509.71 Average: 9.73 2.81 4.42 2.50 68.50 598.87 18429.20 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:16 6208744 7516288 294912 3.63 34692 1470144 520920 5.67 449848 1235260 176 01:10:17 6217164 7525264 285816 3.51 34852 1470516 520940 5.67 450056 1235772 120 01:20:00 6223664 7532280 278796 3.43 35032 1470844 521100 5.68 450660 1236280 164 01:30:19 6188776 7524524 286036 3.52 35460 1497160 521100 5.68 459744 1253944 144 01:40:19 6192880 7529316 281236 3.46 35676 1497616 521316 5.68 460408 1254492 192 01:50:01 5141324 7398544 359768 4.42 90280 2319188 623436 6.79 597428 2085112 268 Average: 6028759 7504369 297761 3.66 44332 1620911 538135 5.86 478024 1383477 177 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:16 ens3 0.76 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:17 ens3 0.68 0.05 7.23 0.03 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.63 0.09 0.57 0.06 0.00 0.00 0.00 0.00 01:30:19 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:19 ens3 0.52 0.24 3.06 0.05 0.00 0.00 0.00 0.00 01:40:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:19 ens3 0.49 0.11 0.17 0.09 0.00 0.00 0.00 0.00 01:50:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 122.92 83.48 336.02 19.26 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 20.40 13.60 56.22 3.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23538) 06/04/26 _x86_64_ (2 CPU) 00:42:29 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:16 all 0.25 0.17 0.22 0.14 0.03 99.19 01:00:16 0 0.30 0.05 0.17 0.04 0.03 99.41 01:00:16 1 0.20 0.29 0.27 0.24 0.03 98.97 01:10:17 all 0.26 0.00 0.08 0.03 0.03 99.60 01:10:17 0 0.28 0.00 0.07 0.00 0.03 99.61 01:10:17 1 0.24 0.00 0.09 0.06 0.03 99.59 01:20:00 all 0.22 0.00 0.07 0.01 0.03 99.66 01:20:00 0 0.07 0.00 0.08 0.01 0.03 99.81 01:20:00 1 0.38 0.00 0.07 0.01 0.03 99.51 01:30:19 all 0.37 0.00 0.18 0.02 0.03 99.40 01:30:19 0 0.49 0.00 0.17 0.04 0.02 99.27 01:30:19 1 0.25 0.00 0.19 0.01 0.03 99.53 01:40:19 all 0.24 0.00 0.07 0.01 0.03 99.65 01:40:19 0 0.43 0.00 0.05 0.01 0.02 99.50 01:40:19 1 0.06 0.00 0.09 0.02 0.04 99.79 01:50:01 all 14.58 0.00 2.10 0.60 0.06 82.66 01:50:01 0 12.46 0.00 2.07 0.62 0.06 84.79 01:50:01 1 16.69 0.00 2.13 0.59 0.05 80.54 Average: all 2.58 0.03 0.44 0.13 0.03 96.78 Average: 0 2.28 0.01 0.43 0.12 0.03 97.14 Average: 1 2.89 0.05 0.46 0.15 0.03 96.42