---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39238 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 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 751 5195 4 2288 7190 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:e1:d0:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.222/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81527sec preferred_lft 81527sec inet6 fe80::f816:3eff:fee1:d068/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39238) 07/27/26 _x86_64_ (2 CPU) 00:42:08 LINUX RESTART (2 CPU) 00:50:37 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.45 0.01 1.43 0.02 0.06 17.80 463.83 01:10:24 1.78 0.25 1.50 0.03 30.88 74.01 1.38 01:20:24 1.25 0.00 1.25 0.00 0.01 14.97 0.36 01:30:01 1.41 0.00 1.39 0.01 0.00 17.43 453.09 01:40:06 1.64 0.40 1.25 0.00 15.66 46.28 0.00 01:50:25 36.15 2.39 18.42 15.35 203.72 3437.84 103863.14 02:00:01 1.56 0.00 1.54 0.02 0.00 24.73 0.43 Average: 6.67 0.45 3.92 2.29 37.18 539.19 15563.88 00:50:37 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6304188 7551004 269352 3.31 30700 1421980 518892 5.65 444516 1183668 128 01:10:24 6253636 7528132 291828 3.59 31084 1448920 519092 5.65 453896 1201916 132 01:20:24 6260720 7535728 284220 3.49 31260 1449248 519092 5.65 454068 1202420 172 01:30:01 6270232 7545720 274140 3.37 31420 1449548 519156 5.65 454132 1202880 240 01:40:06 6230244 7520944 298724 3.67 31716 1464296 539924 5.88 482736 1216288 324 01:50:25 5163596 7382112 384024 4.72 87448 2290704 629940 6.86 599404 2054344 232 02:00:01 5123056 7343564 422436 5.19 87600 2292544 652856 7.11 613432 2056340 124 Average: 5943667 7486743 317818 3.91 47318 1688177 556993 6.07 500312 1445408 193 00:50:37 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 0.68 0.10 0.24 0.06 0.00 0.00 0.00 0.00 01:10:24 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:24 ens3 1.07 0.49 3.62 0.07 0.00 0.00 0.00 0.00 01:20:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:24 ens3 0.47 0.07 0.14 0.05 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 0.34 0.08 0.10 0.06 0.00 0.00 0.00 0.00 01:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 11.74 5.25 19.99 3.17 0.00 0.00 0.00 0.00 01:50:25 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:25 ens3 63.61 44.91 309.02 9.11 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 12.39 11.16 111.66 1.08 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 13.24 9.09 64.90 2.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39238) 07/27/26 _x86_64_ (2 CPU) 00:42:08 LINUX RESTART (2 CPU) 00:50:37 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.25 0.00 0.17 0.01 0.03 99.54 01:00:01 0 0.36 0.00 0.15 0.01 0.02 99.45 01:00:01 1 0.14 0.00 0.18 0.01 0.03 99.64 01:10:24 all 0.35 0.00 0.10 0.02 0.03 99.49 01:10:24 0 0.43 0.00 0.07 0.02 0.03 99.45 01:10:24 1 0.27 0.00 0.13 0.03 0.03 99.53 01:20:24 all 0.25 0.00 0.07 0.01 0.03 99.64 01:20:24 0 0.45 0.00 0.05 0.02 0.03 99.46 01:20:24 1 0.06 0.00 0.09 0.00 0.04 99.81 01:30:01 all 0.27 0.00 0.16 0.01 0.03 99.52 01:30:01 0 0.48 0.00 0.14 0.01 0.02 99.34 01:30:01 1 0.07 0.00 0.18 0.01 0.04 99.70 01:40:06 all 0.47 0.00 0.10 0.01 0.03 99.39 01:40:06 0 0.39 0.00 0.11 0.01 0.03 99.46 01:40:06 1 0.55 0.00 0.08 0.02 0.03 99.32 01:50:25 all 11.42 0.00 1.68 0.62 0.06 86.22 01:50:25 0 10.71 0.00 1.72 0.47 0.06 87.04 01:50:25 1 12.12 0.00 1.65 0.76 0.06 85.41 02:00:01 all 0.89 0.00 0.30 0.08 0.05 98.68 02:00:01 0 0.87 0.00 0.25 0.01 0.03 98.84 02:00:01 1 0.91 0.00 0.35 0.16 0.06 98.52 Average: all 2.05 0.00 0.37 0.11 0.04 97.43 Average: 0 2.01 0.00 0.36 0.08 0.03 97.51 Average: 1 2.08 0.00 0.39 0.15 0.04 97.34