---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39393 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 13G 65G 17% / 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 695 7933 4 7360 14951 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:ce:a5:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83452sec preferred_lft 83452sec inet6 fe80::f816:3eff:fece:a5c8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:04:01:5f:6e: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-39393) 08/21/26 _x86_64_ (4 CPU) 07:27:47 LINUX RESTART (4 CPU) 07:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:06 38.14 3.91 19.72 14.51 211.10 4579.19 249871.98 07:50:13 20.26 0.07 17.75 2.44 6.86 1964.70 14070.58 08:00:02 34.91 0.01 31.19 3.71 0.49 2576.53 26105.29 08:10:13 5.37 0.02 4.98 0.37 0.59 2820.69 50790.86 Average: 24.55 1.01 18.30 5.24 54.81 2985.43 85315.64 07:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:06 10466024 14023528 1936640 11.83 130628 3566604 2229820 12.80 592008 4952432 22120 07:50:13 9347040 13353696 2601940 15.89 151596 3953408 2704932 15.53 744020 5864788 35888 08:00:02 8668688 13102764 2849840 17.41 171492 4331008 3181732 18.26 862988 6396356 59264 08:10:13 7541540 13079212 2869688 17.53 177028 5390012 2883364 16.55 1111552 7218128 429608 Average: 9005823 13389800 2564527 15.66 157686 4310258 2749962 15.78 827642 6107926 136720 07:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:06 lo 416.93 416.93 396.95 396.95 0.00 0.00 0.00 0.00 07:40:06 ens3 124.13 88.08 1379.74 15.69 0.00 0.00 0.00 0.00 07:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:13 lo 1307.57 1307.57 1240.08 1240.08 0.00 0.00 0.00 0.00 07:50:13 ens3 43.59 36.56 45.35 12.19 0.00 0.00 0.00 0.00 07:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:02 lo 1576.27 1576.27 1502.50 1502.50 0.00 0.00 0.00 0.00 08:00:02 ens3 40.24 32.63 25.27 11.94 0.00 0.00 0.00 0.00 08:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:13 lo 2524.98 2524.98 9137.47 9137.47 0.00 0.00 0.00 0.00 08:10:13 ens3 15.76 12.20 79.07 3.40 0.00 0.00 0.00 0.00 08:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1458.89 1458.89 3093.93 3093.93 0.00 0.00 0.00 0.00 Average: ens3 55.87 42.32 382.84 10.78 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-39393) 08/21/26 _x86_64_ (4 CPU) 07:27:47 LINUX RESTART (4 CPU) 07:30:03 CPU %user %nice %system %iowait %steal %idle 07:40:06 all 21.35 0.00 1.12 0.48 0.06 76.99 07:40:06 0 20.61 0.00 1.12 0.20 0.06 78.01 07:40:06 1 22.22 0.00 1.10 0.65 0.07 75.95 07:40:06 2 21.38 0.00 1.03 0.50 0.06 77.03 07:40:06 3 21.18 0.00 1.23 0.56 0.06 76.97 07:50:13 all 67.08 0.00 2.36 0.10 0.15 30.31 07:50:13 0 66.34 0.00 2.37 0.25 0.15 30.90 07:50:13 1 68.37 0.00 2.38 0.03 0.17 29.04 07:50:13 2 67.73 0.00 2.11 0.06 0.15 29.95 07:50:13 3 65.87 0.00 2.57 0.05 0.15 31.37 08:00:02 all 64.33 0.00 2.77 0.09 0.16 32.65 08:00:02 0 65.00 0.00 2.78 0.16 0.14 31.93 08:00:02 1 64.44 0.00 2.72 0.09 0.18 32.58 08:00:02 2 64.86 0.00 2.75 0.05 0.13 32.22 08:00:02 3 63.05 0.00 2.84 0.07 0.18 33.85 08:10:13 all 30.84 0.00 1.46 0.11 0.10 67.48 08:10:13 0 37.61 0.00 1.85 0.13 0.10 60.32 08:10:13 1 29.74 0.00 1.08 0.07 0.10 69.00 08:10:13 2 29.42 0.00 1.53 0.07 0.12 68.86 08:10:13 3 26.57 0.00 1.39 0.16 0.10 71.78 Average: all 45.77 0.00 1.92 0.20 0.12 51.99 Average: 0 47.25 0.00 2.02 0.19 0.11 50.43 Average: 1 46.10 0.00 1.82 0.21 0.13 51.74 Average: 2 45.71 0.00 1.85 0.17 0.11 52.16 Average: 3 44.03 0.00 2.00 0.21 0.12 53.64