---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41486 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: 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 12G 66G 15% / 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 673 9265 4 6050 14972 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:f1:3e:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84493sec preferred_lft 84493sec inet6 fe80::f816:3eff:fef1:3e70/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:6a:39:3f:d8:ee 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-4c-4g-41486) 08/27/26 _x86_64_ (4 CPU) 12:49:05 LINUX RESTART (4 CPU) 12:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:01 33.81 3.47 27.11 3.22 188.72 5565.73 59524.98 13:10:01 14.74 0.18 12.55 2.01 5.04 1519.77 25145.35 13:20:10 43.25 0.30 25.52 17.43 16.17 7221.36 238604.08 Average: 30.65 1.31 21.73 7.61 69.43 4779.70 108538.60 12:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:01 9300564 12794352 3163892 19.32 128932 3486652 3411168 19.58 660580 6016352 216 13:10:01 8924696 12931452 3023472 18.47 150760 3941504 3259376 18.71 795676 6225596 126104 13:20:10 9574316 15414072 531740 3.25 176756 5667744 1040016 5.97 1598228 4655044 9332 Average: 9266525 13713292 2239701 13.68 152149 4365300 2570187 14.75 1018161 5632331 45217 12:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:01 lo 16.49 16.49 3.55 3.55 0.00 0.00 0.00 0.00 13:00:01 ens3 83.69 69.25 843.26 14.07 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 661.11 661.11 598.16 598.16 0.00 0.00 0.00 0.00 13:10:01 ens3 30.21 22.91 241.23 5.63 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:10 lo 1827.39 1827.39 1759.70 1759.70 0.00 0.00 0.00 0.00 13:20:10 ens3 101.17 98.15 284.03 908.92 0.00 0.00 0.00 0.00 13:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 841.95 841.95 793.91 793.91 0.00 0.00 0.00 0.00 Average: ens3 71.81 63.60 454.41 313.29 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-4c-4g-41486) 08/27/26 _x86_64_ (4 CPU) 12:49:05 LINUX RESTART (4 CPU) 12:50:05 CPU %user %nice %system %iowait %steal %idle 13:00:01 all 32.03 0.00 1.47 0.43 0.01 66.06 13:00:01 0 30.78 0.00 1.69 0.57 0.01 66.94 13:00:01 1 31.55 0.00 1.24 0.32 0.02 66.88 13:00:01 2 31.65 0.00 1.55 0.54 0.02 66.25 13:00:01 3 34.13 0.00 1.39 0.28 0.02 64.18 13:10:01 all 22.88 0.00 1.36 0.06 0.01 75.68 13:10:01 0 21.97 0.00 1.33 0.05 0.01 76.64 13:10:01 1 23.23 0.00 1.44 0.03 0.02 75.29 13:10:01 2 23.44 0.00 1.34 0.04 0.01 75.17 13:10:01 3 22.89 0.00 1.32 0.15 0.02 75.63 13:20:10 all 41.15 0.00 2.33 0.16 0.02 56.34 13:20:10 0 40.37 0.00 2.12 0.20 0.02 57.30 13:20:10 1 39.63 0.00 2.21 0.17 0.02 57.97 13:20:10 2 42.68 0.00 2.45 0.03 0.02 54.81 13:20:10 3 41.92 0.00 2.55 0.24 0.02 55.28 Average: all 32.06 0.00 1.72 0.22 0.02 65.98 Average: 0 31.09 0.00 1.71 0.27 0.01 66.91 Average: 1 31.51 0.00 1.63 0.17 0.02 66.67 Average: 2 32.63 0.00 1.79 0.20 0.01 65.36 Average: 3 33.02 0.00 1.76 0.22 0.02 64.99