---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37292 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 8.1G 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 764 5004 4 2467 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:ca:30:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.44/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81687sec preferred_lft 81687sec inet6 fe80::f816:3eff:feca:308d/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-37292) 07/20/26 _x86_64_ (2 CPU) 01:58:48 LINUX RESTART (2 CPU) 02:00:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:33 13.84 0.03 1.31 12.50 1.38 15.76 108905.18 02:20:01 1.22 0.01 1.20 0.01 0.07 14.68 0.76 02:30:33 1.41 0.00 1.38 0.03 0.00 17.08 622.45 02:40:33 1.22 0.00 1.20 0.02 0.00 14.83 1.20 02:50:23 1.65 0.26 1.37 0.03 31.50 75.21 1.27 03:00:33 1.37 0.00 1.34 0.03 0.00 16.87 643.80 03:10:23 24.63 2.91 19.37 2.35 229.62 3675.52 730.43 Average: 6.44 0.45 3.85 2.14 36.96 539.36 15921.33 02:00:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:33 6286208 7532304 288012 3.54 30536 1421460 528460 5.76 441912 1183232 124 02:20:01 6286208 7532852 287504 3.54 30748 1421792 528492 5.76 442016 1183776 204 02:30:33 6282268 7529464 290896 3.58 30972 1422116 528516 5.76 442168 1184312 176 02:40:33 6289856 7537600 282760 3.48 31188 1422444 528704 5.76 442428 1184856 184 02:50:23 6226348 7501396 318532 3.92 31540 1449012 729072 7.94 456940 1203024 168 03:00:33 6257324 7533084 286752 3.53 31784 1449468 729304 7.94 457980 1203584 176 03:10:23 5132920 7381848 384308 4.73 87572 2321008 841644 9.17 612256 2085336 1832 Average: 6108733 7506935 305538 3.76 39191 1558186 630599 6.87 470814 1318303 409 02:00:31 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:33 ens3 0.87 0.06 0.19 0.02 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 0.42 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:33 ens3 0.47 0.03 3.73 0.01 0.00 0.00 0.00 0.00 02:40:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:33 ens3 0.50 0.06 0.96 0.03 0.00 0.00 0.00 0.00 02:50:23 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:23 ens3 0.84 0.48 3.32 0.07 0.00 0.00 0.00 0.00 03:00:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:33 ens3 0.47 0.23 0.12 0.49 0.00 0.00 0.00 0.00 03:10:23 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:10:23 ens3 77.39 55.81 353.90 14.07 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 11.40 7.98 51.03 2.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37292) 07/20/26 _x86_64_ (2 CPU) 01:58:48 LINUX RESTART (2 CPU) 02:00:31 CPU %user %nice %system %iowait %steal %idle 02:10:33 all 0.24 0.00 0.08 0.03 0.03 99.62 02:10:33 0 0.43 0.00 0.08 0.06 0.02 99.41 02:10:33 1 0.06 0.00 0.08 0.00 0.03 99.82 02:20:01 all 0.26 0.00 0.07 0.01 0.03 99.64 02:20:01 0 0.47 0.00 0.05 0.02 0.02 99.44 02:20:01 1 0.05 0.00 0.08 0.00 0.03 99.84 02:30:33 all 0.26 0.00 0.15 0.01 0.03 99.55 02:30:33 0 0.20 0.00 0.16 0.01 0.03 99.61 02:30:33 1 0.33 0.00 0.15 0.01 0.03 99.48 02:40:33 all 0.22 0.00 0.07 0.01 0.03 99.66 02:40:33 0 0.24 0.00 0.09 0.02 0.03 99.63 02:40:33 1 0.21 0.00 0.06 0.01 0.03 99.69 02:50:23 all 0.43 0.00 0.09 0.02 0.03 99.43 02:50:23 0 0.38 0.00 0.12 0.04 0.04 99.43 02:50:23 1 0.48 0.00 0.06 0.00 0.03 99.43 03:00:33 all 0.27 0.00 0.16 0.23 0.03 99.32 03:00:33 0 0.36 0.00 0.16 0.02 0.02 99.43 03:00:33 1 0.18 0.00 0.16 0.43 0.03 99.20 03:10:23 all 15.75 0.00 1.77 0.57 0.06 81.85 03:10:23 0 20.06 0.00 2.12 0.83 0.06 76.93 03:10:23 1 11.44 0.00 1.43 0.32 0.05 86.76 Average: all 2.45 0.00 0.34 0.13 0.03 97.05 Average: 0 3.11 0.00 0.39 0.14 0.03 96.32 Average: 1 1.79 0.00 0.29 0.11 0.03 97.77