---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36061 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 UTC 2026 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 Indirect target selection: 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 Tsa: 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 761 5200 4 2272 7180 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:b8:93:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.34/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82135sec preferred_lft 82135sec inet6 fe80::f816:3eff:feb8:9353/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-36061) 08/12/26 _x86_64_ (2 CPU) 01:03:54 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:11 1.32 0.01 1.30 0.00 0.07 15.94 6.80 01:30:11 1.40 0.00 1.37 0.04 0.00 16.99 236.57 01:40:01 1.11 0.00 1.09 0.02 0.00 13.22 21.12 01:50:11 1.19 0.00 1.17 0.02 0.00 14.47 24.95 02:00:01 2.28 0.72 1.53 0.04 95.73 76.39 242.41 02:10:01 15.11 1.61 12.57 0.94 116.37 2192.65 652.29 Average: 3.73 0.39 3.17 0.18 35.07 387.64 196.58 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:11 6279828 7527100 294200 3.62 31044 1422200 531056 5.78 446608 1184188 132 01:30:11 6282332 7530136 291192 3.58 31232 1422532 531064 5.78 446688 1184708 180 01:40:01 6288380 7536712 284612 3.50 31436 1422852 531264 5.79 447280 1185232 192 01:50:11 6287372 7536256 285056 3.51 31648 1423180 531328 5.79 447400 1185772 180 02:00:01 6233876 7512208 308172 3.79 32108 1451800 717244 7.81 464180 1204380 128 02:10:01 5427704 7366912 413388 5.08 72016 2038688 673848 7.34 599728 1814104 46156 Average: 6133249 7501554 312770 3.85 38247 1530209 585967 6.38 475314 1293064 7828 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:11 ens3 1.15 0.11 0.16 0.07 0.00 0.00 0.00 0.00 01:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:11 ens3 0.80 0.09 2.86 0.06 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.43 0.15 0.11 0.55 0.00 0.00 0.00 0.00 01:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:11 ens3 0.29 0.06 0.08 0.04 0.00 0.00 0.00 0.00 02:00:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.75 0.52 3.33 0.05 0.00 0.00 0.00 0.00 02:10:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:10:01 ens3 35.39 25.02 278.09 5.97 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 6.46 4.32 47.37 1.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-36061) 08/12/26 _x86_64_ (2 CPU) 01:03:54 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:11 all 0.27 0.00 0.09 0.12 0.02 99.50 01:20:11 0 0.20 0.00 0.09 0.23 0.02 99.45 01:20:11 1 0.33 0.00 0.08 0.02 0.02 99.55 01:30:11 all 0.28 0.00 0.18 0.03 0.02 99.48 01:30:11 0 0.46 0.00 0.18 0.05 0.02 99.30 01:30:11 1 0.10 0.00 0.19 0.01 0.03 99.67 01:40:01 all 0.27 0.00 0.08 0.02 0.02 99.61 01:40:01 0 0.45 0.00 0.06 0.03 0.01 99.44 01:40:01 1 0.10 0.00 0.10 0.00 0.02 99.78 01:50:11 all 0.24 0.00 0.07 0.04 0.02 99.63 01:50:11 0 0.43 0.00 0.04 0.01 0.01 99.50 01:50:11 1 0.05 0.00 0.09 0.08 0.02 99.75 02:00:01 all 0.39 0.00 0.19 0.10 0.02 99.30 02:00:01 0 0.56 0.00 0.19 0.12 0.01 99.12 02:00:01 1 0.21 0.00 0.19 0.09 0.03 99.48 02:10:01 all 6.34 0.00 0.96 0.83 0.04 91.83 02:10:01 0 8.20 0.00 1.01 0.82 0.03 89.94 02:10:01 1 4.48 0.00 0.91 0.85 0.04 93.72 Average: all 1.30 0.00 0.26 0.19 0.02 98.23 Average: 0 1.72 0.00 0.26 0.21 0.02 97.79 Average: 1 0.88 0.00 0.26 0.17 0.03 98.66