---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46340 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 13G 66G 16% / 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 683 8558 4 6747 14962 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:fa:08:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.71/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83851sec preferred_lft 83851sec inet6 fe80::f816:3eff:fefa:840/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:50:96:95:45:b6 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-46340) 08/31/26 _x86_64_ (4 CPU) 13:55:30 LINUX RESTART (4 CPU) 14:00:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:00 28.10 3.14 22.40 2.56 170.86 4125.64 3813.44 14:20:21 27.18 0.02 24.25 2.91 0.42 2238.92 9345.08 14:30:31 29.19 0.03 14.17 14.99 0.79 3330.50 247475.24 Average: 28.15 1.01 20.25 6.89 54.41 3205.06 88289.47 14:00:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:00 9552696 13259208 2698508 16.48 143396 3677868 2910364 16.71 665872 5734604 134368 14:20:21 9081864 13092356 2861552 17.48 164080 3930480 2919840 16.76 782192 6057040 19108 14:30:31 5616872 10449888 5501492 33.60 176168 4710096 5340140 30.65 1036536 9219524 384 Average: 8083811 12267151 3687184 22.52 161215 4106148 3723448 21.37 828200 7003723 51287 14:00:31 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:00 lo 1455.79 1455.79 1381.53 1381.53 0.00 0.00 0.00 0.00 14:10:00 ens3 113.67 93.60 1107.11 20.98 0.00 0.00 0.00 0.00 14:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:21 lo 1194.64 1194.64 1138.02 1138.02 0.00 0.00 0.00 0.00 14:20:21 ens3 29.78 23.97 22.68 10.56 0.00 0.00 0.00 0.00 14:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:31 lo 666.77 666.77 4978.97 4978.97 0.00 0.00 0.00 0.00 14:30:31 ens3 16.00 12.97 14.36 5.63 0.00 0.00 0.00 0.00 14:30:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1098.30 1098.30 2516.51 2516.51 0.00 0.00 0.00 0.00 Average: ens3 51.62 42.25 362.57 12.18 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-46340) 08/31/26 _x86_64_ (4 CPU) 13:55:30 LINUX RESTART (4 CPU) 14:00:31 CPU %user %nice %system %iowait %steal %idle 14:10:00 all 52.44 0.00 2.37 0.19 0.02 44.97 14:10:00 0 52.55 0.00 2.12 0.25 0.02 45.06 14:10:00 1 53.00 0.00 2.40 0.11 0.02 44.46 14:10:00 2 50.45 0.00 2.26 0.12 0.02 47.15 14:10:00 3 53.77 0.00 2.70 0.29 0.02 43.21 14:20:21 all 64.72 0.00 2.57 0.20 0.03 32.48 14:20:21 0 63.80 0.00 2.50 0.25 0.03 33.43 14:20:21 1 63.72 0.00 2.65 0.43 0.03 33.16 14:20:21 2 66.76 0.00 2.65 0.05 0.03 30.50 14:20:21 3 64.60 0.00 2.48 0.06 0.03 32.83 14:30:31 all 35.32 0.00 1.54 0.10 0.02 63.02 14:30:31 0 31.11 0.00 1.59 0.11 0.02 67.17 14:30:31 1 37.91 0.00 1.26 0.19 0.02 60.61 14:30:31 2 38.31 0.00 1.91 0.05 0.02 59.71 14:30:31 3 33.94 0.00 1.41 0.05 0.02 64.58 Average: all 50.88 0.00 2.16 0.16 0.02 46.77 Average: 0 49.16 0.00 2.07 0.20 0.02 48.54 Average: 1 51.59 0.00 2.10 0.25 0.02 46.04 Average: 2 51.97 0.00 2.28 0.07 0.02 45.66 Average: 3 50.80 0.00 2.19 0.13 0.02 46.86