---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42096 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 67G 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 734 9472 4 5782 14911 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:b8:40:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.81/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84472sec preferred_lft 84472sec inet6 fe80::f816:3eff:feb8:4066/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:e0:c9:b2:36:44 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-42096) 08/28/26 _x86_64_ (4 CPU) 15:09:16 LINUX RESTART (4 CPU) 15:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:10 47.11 4.39 41.19 1.54 261.14 6375.95 5097.47 15:30:18 35.18 0.05 31.34 3.80 1.30 3399.10 20562.02 15:40:02 16.28 0.16 14.11 2.01 10.78 5980.61 1941.31 Average: 33.09 1.55 29.09 2.45 92.41 5244.93 9283.28 15:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:10 9802668 13524660 2431140 14.85 154536 3657116 2662924 15.29 679120 5448528 56928 15:30:18 8992968 13322120 2628824 16.06 187960 4181680 2758308 15.83 847580 6048452 24496 15:40:02 9798832 15356900 588156 3.59 207688 5323692 1122596 6.44 937372 5063644 68 Average: 9531489 14067893 1882707 11.50 183395 4387496 2181276 12.52 821357 5520208 27164 15:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:10 lo 397.93 397.93 378.77 378.77 0.00 0.00 0.00 0.00 15:20:10 ens3 113.74 91.51 1065.02 17.21 0.00 0.00 0.00 0.00 15:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:18 lo 1825.18 1825.18 1740.40 1740.40 0.00 0.00 0.00 0.00 15:30:18 ens3 39.68 30.06 156.38 9.30 0.00 0.00 0.00 0.00 15:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:02 lo 10.63 10.63 1.09 1.09 0.00 0.00 0.00 0.00 15:40:02 ens3 60.50 60.15 122.99 197.12 0.00 0.00 0.00 0.00 15:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 753.10 753.10 714.96 714.96 0.00 0.00 0.00 0.00 Average: ens3 71.53 60.64 453.39 72.90 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-42096) 08/28/26 _x86_64_ (4 CPU) 15:09:16 LINUX RESTART (4 CPU) 15:10:00 CPU %user %nice %system %iowait %steal %idle 15:20:10 all 44.26 0.00 1.80 0.32 0.02 53.60 15:20:10 0 41.81 0.00 1.87 0.54 0.02 55.76 15:20:10 1 42.94 0.00 1.68 0.12 0.02 55.24 15:20:10 2 45.50 0.00 1.77 0.10 0.02 52.61 15:20:10 3 46.78 0.00 1.88 0.52 0.02 50.80 15:30:18 all 59.39 0.00 2.80 0.09 0.03 37.70 15:30:18 0 60.37 0.00 2.99 0.06 0.03 36.55 15:30:18 1 59.28 0.00 2.77 0.10 0.02 37.82 15:30:18 2 59.60 0.00 2.69 0.11 0.03 37.57 15:30:18 3 58.29 0.00 2.75 0.07 0.03 38.86 15:40:02 all 42.10 0.00 1.55 0.08 0.02 56.26 15:40:02 0 43.85 0.00 1.90 0.12 0.02 54.11 15:40:02 1 43.35 0.00 1.52 0.04 0.02 55.07 15:40:02 2 44.24 0.00 1.56 0.06 0.03 54.11 15:40:02 3 36.93 0.00 1.21 0.10 0.01 61.75 Average: all 48.64 0.00 2.05 0.16 0.02 49.12 Average: 0 48.72 0.00 2.25 0.24 0.02 48.77 Average: 1 48.57 0.00 2.00 0.09 0.02 49.32 Average: 2 49.83 0.00 2.01 0.09 0.02 48.04 Average: 3 47.45 0.00 1.96 0.23 0.02 50.34