---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22159 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: 5600.00 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 764 5288 4 2177 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:d4:6f:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.30/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80216sec preferred_lft 80216sec inet6 fe80::f816:3eff:fed4:6fc8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22159) 03/24/26 _x86_64_ (2 CPU) 00:39:36 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 5.01 2.99 2.00 0.02 378.94 105.78 218.57 01:00:05 1.51 0.01 1.49 0.01 0.50 17.63 432.82 01:10:05 14.54 0.34 1.64 12.55 40.85 72.84 109188.28 01:20:05 1.39 0.01 1.36 0.02 1.07 16.23 1.13 01:30:05 1.58 0.00 1.55 0.03 0.00 18.61 436.95 01:40:05 1.42 0.00 1.41 0.02 0.00 16.39 1.20 01:50:01 22.73 3.03 17.45 2.24 228.01 3110.86 642.99 02:00:05 1.76 0.00 1.74 0.02 0.48 32.05 0.65 02:10:05 1.18 0.00 1.18 0.00 0.00 14.28 0.00 02:20:01 1.21 0.00 1.21 0.00 0.00 14.72 0.00 Average: 5.22 0.64 3.09 1.49 64.86 339.48 11089.97 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6284940 7535524 284460 3.50 30592 1425804 519396 5.66 446196 1186980 284 01:00:05 6279548 7530800 289132 3.56 30792 1426260 525904 5.73 449712 1187520 276 01:10:05 6231420 7511828 307480 3.78 31136 1454696 716628 7.81 464064 1204764 232 01:20:05 6244556 7525820 293568 3.61 31348 1455328 519696 5.66 458960 1205296 188 01:30:05 6244200 7526152 293188 3.61 31572 1455768 519776 5.66 458960 1205844 300 01:40:05 6243948 7526460 292872 3.60 31780 1456112 519956 5.66 459324 1206384 200 01:50:01 5356028 7467000 304392 3.74 84936 2190356 555344 6.05 546412 1948668 2484 02:00:05 5296172 7407972 363356 4.47 85100 2191052 624280 6.80 588660 1949528 208 02:10:05 5297372 7409672 361656 4.45 85248 2191404 624280 6.80 588712 1950028 252 02:20:01 5295880 7408652 362676 4.46 85372 2191752 624276 6.80 588828 1950500 240 Average: 5877406 7484988 315278 3.88 52788 1743853 574954 6.26 504983 1499551 466 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 13.51 6.44 35.82 1.80 0.00 0.00 0.00 0.00 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 0.47 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:10:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:05 ens3 0.69 0.26 3.09 0.05 0.00 0.00 0.00 0.00 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 0.46 0.08 0.13 0.06 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.28 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 0.66 0.22 0.13 0.64 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 60.42 42.18 299.13 10.99 0.00 0.00 0.00 0.00 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 4.33 0.89 0.93 0.27 0.00 0.00 0.00 0.00 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 0.71 0.19 0.10 0.03 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 0.49 0.13 4.80 0.03 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 8.16 5.02 34.19 1.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22159) 03/24/26 _x86_64_ (2 CPU) 00:39:36 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.67 0.00 0.27 0.07 0.03 98.96 00:50:01 0 0.80 0.00 0.28 0.07 0.03 98.82 00:50:01 1 0.53 0.00 0.25 0.07 0.04 99.10 01:00:05 all 0.27 0.00 0.17 0.02 0.04 99.51 01:00:05 0 0.11 0.00 0.16 0.01 0.04 99.69 01:00:05 1 0.42 0.00 0.18 0.03 0.03 99.32 01:10:05 all 0.35 0.00 0.13 0.05 0.04 99.43 01:10:05 0 0.24 0.00 0.10 0.02 0.03 99.61 01:10:05 1 0.47 0.00 0.16 0.08 0.04 99.25 01:20:05 all 0.26 0.00 0.07 0.01 0.04 99.61 01:20:05 0 0.18 0.00 0.08 0.01 0.04 99.69 01:20:05 1 0.35 0.00 0.07 0.02 0.03 99.53 01:30:05 all 0.27 0.00 0.17 0.01 0.04 99.51 01:30:05 0 0.07 0.00 0.19 0.01 0.04 99.68 01:30:05 1 0.47 0.00 0.14 0.01 0.04 99.34 01:40:05 all 0.28 0.00 0.07 0.01 0.04 99.61 01:40:05 0 0.31 0.00 0.07 0.00 0.03 99.58 01:40:05 1 0.24 0.00 0.07 0.02 0.04 99.63 01:50:01 all 10.63 0.00 1.64 0.68 0.05 87.00 01:50:01 0 7.02 0.00 1.25 0.70 0.04 90.98 01:50:01 1 14.25 0.00 2.03 0.66 0.06 83.01 02:00:05 all 0.51 0.00 0.23 0.01 0.07 99.18 02:00:05 0 0.41 0.00 0.23 0.01 0.07 99.28 02:00:05 1 0.60 0.00 0.24 0.01 0.07 99.07 02:10:05 all 0.36 0.00 0.12 0.01 0.07 99.43 02:10:05 0 0.46 0.00 0.09 0.01 0.05 99.40 02:10:05 1 0.27 0.00 0.16 0.01 0.09 99.47 02:20:01 all 0.38 0.00 0.11 0.01 0.06 99.43 02:20:01 0 0.46 0.00 0.09 0.00 0.06 99.39 02:20:01 1 0.31 0.00 0.14 0.01 0.07 99.47 Average: all 1.39 0.00 0.30 0.09 0.05 98.18 Average: 0 1.00 0.00 0.25 0.08 0.04 98.62 Average: 1 1.78 0.00 0.34 0.09 0.05 97.73