---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3804 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 18G 138G 12% / 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 768 20023 4 11299 30855 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:f1:db:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.171/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84712sec preferred_lft 84712sec inet6 fe80::f816:3eff:fef1:db47/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:57:cd:f4:97:3c 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 ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3804) 08/03/26 _x86_64_ (8 CPU) 17:42:22 LINUX RESTART (8 CPU) 17:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:00:07 12.87 0.23 11.63 1.01 2.99 2337.56 434.86 18:10:07 17.16 0.11 14.41 2.64 13.53 6066.44 8200.52 Average: 15.00 0.17 13.01 1.82 8.23 4191.49 4295.81 17:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:00:07 16869952 25734796 6510968 19.81 470012 7923772 13652616 40.26 1491408 13278988 4796 18:10:07 20536940 31628384 612776 1.86 483328 10068528 1170692 3.45 1756248 9270688 603192 Average: 18703446 28681590 3561872 10.84 476670 8996150 7411654 21.86 1623828 11274838 303994 17:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:00:07 lo 5.83 5.83 1.10 1.10 0.00 0.00 0.00 0.00 18:00:07 ens3 166.56 95.10 160.32 48.40 0.00 0.00 0.00 0.00 18:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:07 lo 1.06 1.06 0.11 0.11 0.00 0.00 0.00 0.00 18:10:07 ens3 136.30 74.04 158.64 35.64 0.00 0.00 0.00 0.00 18:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.46 3.46 0.61 0.61 0.00 0.00 0.00 0.00 Average: ens3 151.52 84.63 159.49 42.06 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3804) 08/03/26 _x86_64_ (8 CPU) 17:42:22 LINUX RESTART (8 CPU) 17:50:01 CPU %user %nice %system %iowait %steal %idle 18:00:07 all 89.74 0.00 2.78 0.00 0.11 7.37 18:00:07 0 88.86 0.00 2.67 0.00 0.11 8.36 18:00:07 1 90.03 0.00 2.75 0.00 0.12 7.10 18:00:07 2 91.86 0.00 2.98 0.01 0.12 5.03 18:00:07 3 89.07 0.00 2.53 0.00 0.11 8.29 18:00:07 4 87.96 0.00 2.67 0.00 0.11 9.25 18:00:07 5 88.67 0.00 2.62 0.01 0.11 8.58 18:00:07 6 89.51 0.00 3.07 0.00 0.10 7.33 18:00:07 7 91.92 0.00 2.96 0.01 0.10 5.01 18:10:07 all 89.64 0.00 3.02 0.03 0.12 7.20 18:10:07 0 93.77 0.00 3.20 0.01 0.12 2.91 18:10:07 1 89.48 0.00 3.09 0.02 0.12 7.30 18:10:07 2 89.48 0.00 2.98 0.00 0.12 7.42 18:10:07 3 88.86 0.00 3.10 0.00 0.12 7.93 18:10:07 4 89.18 0.00 2.91 0.00 0.12 7.79 18:10:07 5 88.90 0.00 2.88 0.16 0.11 7.95 18:10:07 6 89.03 0.00 2.96 0.06 0.11 7.86 18:10:07 7 88.42 0.00 3.03 0.00 0.11 8.43 Average: all 89.69 0.00 2.90 0.02 0.11 7.28 Average: 0 91.30 0.00 2.93 0.01 0.12 5.65 Average: 1 89.75 0.00 2.92 0.01 0.12 7.20 Average: 2 90.68 0.00 2.98 0.00 0.12 6.22 Average: 3 88.97 0.00 2.81 0.00 0.11 8.11 Average: 4 88.57 0.00 2.79 0.00 0.11 8.52 Average: 5 88.79 0.00 2.75 0.08 0.11 8.27 Average: 6 89.27 0.00 3.01 0.03 0.10 7.59 Average: 7 90.18 0.00 2.99 0.00 0.11 6.71