---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38980 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 12G 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 676 8761 4 6551 14970 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:5e:d2:e0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.245/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84079sec preferred_lft 84079sec inet6 fe80::f816:3eff:fe5e:d2e0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:d9:94:79:1e:7e 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-38980) 08/20/26 _x86_64_ (4 CPU) 08:17:04 LINUX RESTART (4 CPU) 08:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:24 26.24 2.86 20.78 2.60 156.16 3724.48 3138.92 08:40:24 23.64 0.02 21.19 2.42 0.43 2039.05 7132.09 08:50:01 20.54 0.03 18.61 1.89 0.69 3763.12 6358.04 Average: 23.54 1.01 20.22 2.31 54.40 3175.03 5502.25 08:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:24 9571876 13139208 2819760 17.22 137408 3552752 2856760 16.40 652476 5762540 13132 08:40:24 8145708 12290888 3664088 22.38 156888 4069808 3497380 20.07 791324 7003428 204952 08:50:01 5337292 10156544 5795644 35.40 168304 4708412 5307656 30.47 1008008 9568256 324 Average: 7684959 11862213 4093164 25.00 154200 4110324 3887265 22.31 817269 7444741 72803 08:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:24 lo 1500.63 1500.63 1424.60 1424.60 0.00 0.00 0.00 0.00 08:30:24 ens3 121.59 93.64 975.55 19.32 0.00 0.00 0.00 0.00 08:30:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:24 lo 1060.10 1060.10 1009.64 1009.64 0.00 0.00 0.00 0.00 08:40:24 ens3 33.22 27.64 21.68 9.84 0.00 0.00 0.00 0.00 08:40:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 lo 1018.92 1018.92 7407.81 7407.81 0.00 0.00 0.00 0.00 08:50:01 ens3 28.07 20.86 26.74 6.67 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1199.32 1199.32 3204.79 3204.79 0.00 0.00 0.00 0.00 Average: ens3 62.15 48.30 353.34 12.10 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-38980) 08/20/26 _x86_64_ (4 CPU) 08:17:04 LINUX RESTART (4 CPU) 08:20:01 CPU %user %nice %system %iowait %steal %idle 08:30:24 all 55.68 0.00 2.29 1.48 0.12 40.43 08:30:24 0 55.20 0.00 2.17 2.89 0.11 39.62 08:30:24 1 55.40 0.00 2.23 1.69 0.11 40.57 08:30:24 2 55.26 0.00 2.33 0.31 0.12 41.98 08:30:24 3 56.85 0.00 2.44 1.04 0.12 39.55 08:40:24 all 65.11 0.00 2.31 1.40 0.13 31.05 08:40:24 0 64.39 0.00 2.21 2.29 0.14 30.98 08:40:24 1 66.15 0.00 2.51 0.34 0.13 30.87 08:40:24 2 64.29 0.00 1.94 1.60 0.13 32.04 08:40:24 3 65.62 0.00 2.57 1.36 0.13 30.32 08:50:01 all 46.39 0.00 1.86 0.64 0.17 50.94 08:50:01 0 43.75 0.00 1.87 0.85 0.23 53.30 08:50:01 1 46.56 0.00 1.81 0.39 0.18 51.05 08:50:01 2 47.60 0.00 1.62 0.67 0.16 49.94 08:50:01 3 47.66 0.00 2.14 0.62 0.12 49.46 Average: all 55.84 0.00 2.16 1.18 0.14 40.68 Average: 0 54.58 0.00 2.09 2.03 0.16 41.14 Average: 1 56.14 0.00 2.19 0.82 0.14 40.71 Average: 2 55.82 0.00 1.97 0.86 0.14 41.22 Average: 3 56.82 0.00 2.39 1.01 0.12 39.65