---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26997 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 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 772 5193 4 2268 7169 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:6c:cc:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.71/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80430sec preferred_lft 80430sec inet6 fe80::f816:3eff:fe6c:cc42/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26997) 06/13/26 _x86_64_ (2 CPU) 01:48:08 LINUX RESTART (2 CPU) 01:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 14.47 0.03 1.65 12.79 2.49 19.87 111817.12 02:10:43 1.49 0.01 1.48 0.00 0.05 17.48 0.14 02:20:33 1.45 0.00 1.45 0.01 0.01 16.33 221.59 02:30:01 1.55 0.00 1.53 0.01 0.00 18.04 459.89 02:40:03 1.34 0.00 1.34 0.00 0.00 15.41 0.00 02:50:33 3.52 1.27 2.20 0.05 91.94 205.13 3.37 03:00:02 22.81 1.75 18.67 2.39 138.17 3442.48 997.92 03:10:43 1.31 0.00 1.29 0.02 0.00 15.48 1.25 03:20:03 1.24 0.00 1.22 0.02 0.00 14.63 1.04 Average: 5.33 0.34 3.33 1.66 25.60 400.21 12396.86 01:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6265580 7539056 280552 3.45 30772 1448020 530996 5.78 457892 1200540 124 02:10:43 6265580 7539648 279920 3.44 30996 1448384 586160 6.38 463144 1201124 140 02:20:33 6264684 7539256 280336 3.45 31168 1448704 531220 5.79 458092 1201620 124 02:30:01 6264300 7539352 280204 3.45 31344 1449000 531252 5.79 458136 1202092 124 02:40:03 6263836 7539532 280020 3.44 31520 1449460 532236 5.80 458720 1202600 180 02:50:33 5974944 7388784 423348 5.21 42272 1570548 660780 7.20 601140 1321800 58012 03:00:02 5181284 7386556 380136 4.67 86952 2278428 667088 7.27 618964 2041440 260 03:10:43 5180276 7386124 380576 4.68 87152 2278812 667112 7.27 619208 2042024 164 03:20:03 5179772 7386092 380608 4.68 87312 2279124 667112 7.27 619300 2042496 176 Average: 5871140 7471600 329522 4.05 51054 1738942 597106 6.50 528288 1495082 6589 01:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.07 0.06 0.12 0.03 0.00 0.00 0.00 0.00 02:10:43 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:43 ens3 0.42 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:33 ens3 0.32 0.05 0.97 0.02 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.30 0.07 0.08 0.04 0.00 0.00 0.00 0.00 02:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 0.44 0.12 0.14 0.08 0.00 0.00 0.00 0.00 02:50:33 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:50:33 ens3 19.66 11.84 80.13 4.66 0.00 0.00 0.00 0.00 03:00:02 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 03:00:02 ens3 51.58 36.58 249.19 7.57 0.00 0.00 0.00 0.00 03:10:43 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:43 ens3 1.84 0.20 0.22 0.03 0.00 0.00 0.00 0.00 03:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:03 ens3 0.50 0.21 0.09 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 8.29 5.33 35.84 1.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26997) 06/13/26 _x86_64_ (2 CPU) 01:48:08 LINUX RESTART (2 CPU) 01:50:12 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.32 0.00 0.19 0.03 0.03 99.44 02:00:01 0 0.24 0.00 0.20 0.03 0.04 99.49 02:00:01 1 0.39 0.00 0.18 0.03 0.02 99.38 02:10:43 all 0.26 0.00 0.08 0.01 0.02 99.63 02:10:43 0 0.40 0.00 0.08 0.01 0.01 99.49 02:10:43 1 0.11 0.00 0.08 0.01 0.02 99.78 02:20:33 all 0.23 0.00 0.07 0.01 0.02 99.67 02:20:33 0 0.41 0.00 0.06 0.00 0.01 99.52 02:20:33 1 0.06 0.00 0.09 0.02 0.02 99.81 02:30:01 all 0.28 0.00 0.16 0.01 0.02 99.54 02:30:01 0 0.25 0.00 0.14 0.00 0.01 99.59 02:30:01 1 0.31 0.00 0.18 0.01 0.02 99.48 02:40:03 all 0.30 0.00 0.08 0.01 0.02 99.60 02:40:03 0 0.36 0.00 0.07 0.01 0.01 99.55 02:40:03 1 0.24 0.00 0.09 0.00 0.02 99.65 02:50:33 all 1.56 0.00 0.28 0.07 0.02 98.07 02:50:33 0 2.25 0.00 0.31 0.08 0.02 97.35 02:50:33 1 0.87 0.00 0.26 0.06 0.02 98.80 03:00:02 all 11.41 0.00 1.70 0.44 0.05 86.39 03:00:02 0 11.80 0.00 1.72 0.48 0.06 85.94 03:00:02 1 11.03 0.00 1.69 0.40 0.05 86.83 03:10:43 all 0.40 0.00 0.13 0.01 0.03 99.43 03:10:43 0 0.45 0.00 0.10 0.01 0.03 99.42 03:10:43 1 0.36 0.00 0.17 0.01 0.04 99.43 03:20:03 all 0.47 0.00 0.14 0.01 0.03 99.35 03:20:03 0 0.52 0.00 0.12 0.00 0.03 99.32 03:20:03 1 0.42 0.00 0.15 0.01 0.04 99.38 Average: all 1.64 0.00 0.31 0.06 0.03 97.97 Average: 0 1.80 0.00 0.30 0.07 0.02 97.81 Average: 1 1.47 0.00 0.31 0.06 0.03 98.13