---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3447 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 22G 134G 14% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 807 15641 4 15643 30817 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 valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:d2:f4:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.200/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84721sec preferred_lft 84721sec inet6 fe80::f816:3eff:fed2:f42a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:21:fb:8f:17:11 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::1821:fbff:fe8f:1711/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-3447) 06/29/26 _x86_64_ (8 CPU) 06:26:33 LINUX RESTART (8 CPU) 06:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 111.97 0.08 92.63 19.26 4.27 10190.19 533893.41 06:50:20 289.29 1.11 276.83 11.35 15.37 48523.09 654600.45 Average: 202.78 0.61 186.96 15.21 9.96 29821.30 595710.10 06:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 25402836 31186152 1109444 3.38 186736 5725952 1761360 5.19 1830612 5031428 506976 06:50:20 16074832 30895012 1347708 4.10 355012 14043148 1891672 5.58 5921548 9648012 35364 Average: 20738834 31040582 1228576 3.74 270874 9884550 1826516 5.39 3876080 7339720 271170 06:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 0.48 0.48 0.05 0.05 0.00 0.00 0.00 0.00 06:40:01 ens3 252.63 146.76 1206.14 400.73 0.00 0.00 0.00 0.00 06:40:01 docker0 89.69 129.33 4.87 804.43 0.00 0.00 0.00 0.00 06:40:01 veth7eda740 7.81 22.07 0.62 429.65 0.00 0.00 0.00 0.04 06:50:20 lo 0.36 0.36 0.03 0.03 0.00 0.00 0.00 0.00 06:50:20 ens3 138.46 97.11 1203.53 2056.38 0.00 0.00 0.00 0.00 06:50:20 docker0 33.00 53.43 2.44 846.32 0.00 0.00 0.00 0.00 06:50:20 vethc0adbf7 25.80 40.39 1.87 646.53 0.00 0.00 0.00 0.05 Average: lo 0.42 0.42 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 194.16 121.33 1204.80 1248.62 0.00 0.00 0.00 0.00 Average: docker0 60.65 90.46 3.63 825.88 0.00 0.00 0.00 0.00 Average: vethc0adbf7 13.21 20.68 0.96 331.10 0.00 0.00 0.00 0.03 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-3447) 06/29/26 _x86_64_ (8 CPU) 06:26:33 LINUX RESTART (8 CPU) 06:30:11 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 2.20 0.00 1.00 0.39 0.04 96.37 06:40:01 0 1.81 0.00 1.01 0.16 0.03 96.99 06:40:01 1 1.75 0.00 1.00 0.52 0.04 96.68 06:40:01 2 2.20 0.00 1.11 0.35 0.03 96.31 06:40:01 3 2.76 0.00 0.89 0.61 0.04 95.69 06:40:01 4 1.78 0.00 0.96 0.72 0.03 96.50 06:40:01 5 2.75 0.00 1.07 0.37 0.04 95.78 06:40:01 6 2.80 0.00 0.99 0.15 0.04 96.01 06:40:01 7 1.75 0.00 0.93 0.26 0.05 97.01 06:50:20 all 13.83 0.00 4.17 0.85 0.06 81.09 06:50:20 0 13.07 0.00 4.12 1.79 0.06 80.96 06:50:20 1 13.11 0.00 3.84 0.49 0.06 82.50 06:50:20 2 15.57 0.00 4.67 0.98 0.07 78.71 06:50:20 3 13.51 0.00 3.93 0.46 0.06 82.04 06:50:20 4 13.38 0.00 4.17 0.76 0.06 81.63 06:50:20 5 13.46 0.00 4.01 0.76 0.06 81.71 06:50:20 6 13.39 0.00 3.85 0.35 0.06 82.35 06:50:20 7 15.11 0.00 4.73 1.25 0.06 78.85 Average: all 8.13 0.00 2.61 0.63 0.05 88.58 Average: 0 7.55 0.00 2.60 0.99 0.05 88.81 Average: 1 7.57 0.00 2.46 0.50 0.05 89.43 Average: 2 9.02 0.00 2.93 0.67 0.05 87.33 Average: 3 8.24 0.00 2.44 0.53 0.05 88.73 Average: 4 7.70 0.00 2.60 0.74 0.05 88.92 Average: 5 8.22 0.00 2.57 0.57 0.05 88.60 Average: 6 8.20 0.00 2.45 0.25 0.05 89.04 Average: 7 8.57 0.00 2.87 0.76 0.05 87.75