---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-4944 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 15G 63G 20% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 622 7192 4 8174 15023 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:17:cb:48 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 84842sec preferred_lft 84842sec inet6 fe80::f816:3eff:fe17:cb48/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:da:e9:12:32:21 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-v1-8c-8g-4944) 08/08/26 _x86_64_ (4 CPU) 04:58:21 LINUX RESTART (4 CPU) 05:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:10:10 152.22 5.69 143.53 3.00 314.36 17694.55 39054.11 05:20:11 290.12 6.91 275.40 7.80 394.33 10236.53 34156.00 Average: 221.20 6.30 209.50 5.40 354.36 13963.71 36603.85 05:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:10:10 6961624 13129328 2816944 17.20 163876 6062212 3555304 20.41 886712 8041484 343724 05:20:11 6993288 14784544 1157020 7.07 193220 7594080 1636340 9.39 1172752 7667524 430284 Average: 6977456 13956936 1986982 12.14 178548 6828146 2595822 14.90 1029732 7854504 387004 05:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:10:10 lo 54.93 54.93 16.26 16.26 0.00 0.00 0.00 0.00 05:10:10 ens3 892.36 574.38 1914.95 231.99 0.00 0.00 0.00 0.00 05:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:11 lo 64.22 64.22 42.12 42.12 0.00 0.00 0.00 0.00 05:20:11 ens3 411.84 251.86 785.02 100.55 0.00 0.00 0.00 0.00 05:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 59.58 59.58 29.20 29.20 0.00 0.00 0.00 0.00 Average: ens3 651.98 413.04 1349.71 166.23 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-v1-8c-8g-4944) 08/08/26 _x86_64_ (4 CPU) 04:58:21 LINUX RESTART (4 CPU) 05:00:10 CPU %user %nice %system %iowait %steal %idle 05:10:10 all 41.49 0.00 3.01 1.26 0.08 54.15 05:10:10 0 42.52 0.00 3.25 0.76 0.08 53.40 05:10:10 1 39.53 0.00 2.63 1.72 0.08 56.05 05:10:10 2 42.99 0.00 3.09 1.22 0.09 52.61 05:10:10 3 40.93 0.00 3.10 1.35 0.09 54.54 05:20:11 all 40.36 0.00 2.18 2.25 0.09 55.12 05:20:11 0 37.93 0.00 2.08 2.18 0.09 57.73 05:20:11 1 40.61 0.00 2.02 2.49 0.09 54.79 05:20:11 2 42.64 0.00 2.40 2.13 0.09 52.74 05:20:11 3 40.29 0.00 2.21 2.21 0.09 55.21 Average: all 40.93 0.00 2.60 1.76 0.09 54.63 Average: 0 40.22 0.00 2.66 1.47 0.08 55.56 Average: 1 40.07 0.00 2.32 2.11 0.08 55.42 Average: 2 42.81 0.00 2.75 1.68 0.09 52.67 Average: 3 40.61 0.00 2.65 1.78 0.09 54.87