---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3205 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 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 9.8G 68G 13% / 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 588 11199 4 4200 15058 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:69:03:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.111/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84466sec preferred_lft 84466sec inet6 fe80::f816:3eff:fe69:34c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:7d:e2:27:20:9f 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-3205) 08/07/26 _x86_64_ (4 CPU) 15:28:55 LINUX RESTART (4 CPU) 15:30:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:30 8.74 0.92 7.50 0.33 37.97 1603.73 145.56 15:50:01 9.29 1.97 6.93 0.40 129.14 2076.86 862.13 16:00:10 9.87 0.50 8.26 1.11 19.58 2096.09 2762.00 Average: 9.31 1.11 7.58 0.62 60.93 1923.99 1270.73 15:30:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:30 13022516 15523860 450404 2.75 98824 2591640 1000792 5.74 339016 2687300 216 15:50:01 11101408 14271376 1690556 10.33 123492 3187832 2035404 11.68 512392 4404596 53912 16:00:10 11555368 15487736 467884 2.86 157332 3839000 998780 5.73 688248 3657540 180224 Average: 11893097 15094324 869615 5.31 126549 3206157 1344992 7.72 513219 3583145 78117 15:30:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:30 lo 0.23 0.23 0.02 0.02 0.00 0.00 0.00 0.00 15:40:30 ens3 27.17 21.82 293.98 3.48 0.00 0.00 0.00 0.00 15:40:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 lo 0.57 0.57 0.05 0.05 0.00 0.00 0.00 0.00 15:50:01 ens3 89.85 70.96 754.50 12.56 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:10 lo 1.46 1.46 0.14 0.14 0.00 0.00 0.00 0.00 16:00:10 ens3 62.50 51.34 103.76 17.85 0.00 0.00 0.00 0.00 16:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.76 0.76 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 59.37 47.69 376.63 11.31 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-3205) 08/07/26 _x86_64_ (4 CPU) 15:28:55 LINUX RESTART (4 CPU) 15:30:30 CPU %user %nice %system %iowait %steal %idle 15:40:30 all 1.25 0.00 0.18 0.06 0.02 98.50 15:40:30 0 0.17 0.00 0.15 0.02 0.01 99.65 15:40:30 1 3.48 0.00 0.33 0.07 0.03 96.09 15:40:30 2 0.78 0.00 0.11 0.02 0.02 99.07 15:40:30 3 0.56 0.00 0.13 0.12 0.02 99.17 15:50:01 all 29.57 0.00 1.02 0.03 0.06 69.32 15:50:01 0 28.83 0.00 0.95 0.04 0.06 70.12 15:50:01 1 29.51 0.00 1.11 0.04 0.06 69.28 15:50:01 2 30.17 0.00 0.88 0.04 0.06 68.86 15:50:01 3 29.78 0.00 1.12 0.03 0.05 69.02 16:00:10 all 71.53 0.00 2.33 0.03 0.12 26.00 16:00:10 0 73.11 0.00 2.19 0.02 0.12 24.57 16:00:10 1 70.87 0.00 2.44 0.02 0.12 26.54 16:00:10 2 69.38 0.00 2.41 0.03 0.11 28.07 16:00:10 3 72.75 0.00 2.29 0.03 0.12 24.81 Average: all 34.36 0.00 1.18 0.04 0.07 64.35 Average: 0 34.31 0.00 1.10 0.02 0.06 64.50 Average: 1 34.88 0.00 1.31 0.04 0.07 63.70 Average: 2 33.65 0.00 1.14 0.03 0.07 65.11 Average: 3 34.60 0.00 1.19 0.06 0.06 64.09