---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-40350 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 637 11185 4 4166 15009 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:96:af:de brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.121/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83778sec preferred_lft 83778sec inet6 fe80::f816:3eff:fe96:afde/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:51:fd:f5:b1:06 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-40350) 08/23/26 _x86_64_ (4 CPU) 02:22:15 LINUX RESTART (4 CPU) 02:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:40:20 1.24 0.01 1.23 0.00 0.44 14.82 0.13 02:50:21 1.21 0.00 1.21 0.00 0.00 14.06 0.00 03:00:01 65.09 17.26 45.81 2.02 425.12 4400.47 1817.67 Average: 21.81 5.57 15.59 0.65 137.17 1428.14 585.91 02:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:40:20 13758608 15535000 484224 2.96 53744 1949504 1140468 6.55 192368 2193920 160 02:50:21 13757852 15534616 484584 2.96 54104 1949516 1140468 6.55 192732 2194584 200 03:00:01 10667584 13980976 1981240 12.10 128400 3325964 2320472 13.32 539632 4796664 295952 Average: 12728015 15016864 983349 6.01 78749 2408328 1533803 8.80 308244 3061723 98771 02:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:40:20 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 02:40:20 ens3 7.86 5.09 4.20 3.82 0.00 0.00 0.00 0.00 02:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:50:21 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 02:50:21 ens3 0.63 0.16 0.14 0.07 0.00 0.00 0.00 0.00 02:50:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:01 lo 201.08 201.08 191.04 191.04 0.00 0.00 0.00 0.00 03:00:01 ens3 118.18 92.37 1138.74 22.09 0.00 0.00 0.00 0.00 03:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 64.89 64.89 61.58 61.58 0.00 0.00 0.00 0.00 Average: ens3 41.01 31.58 368.53 8.46 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-40350) 08/23/26 _x86_64_ (4 CPU) 02:22:15 LINUX RESTART (4 CPU) 02:30:01 CPU %user %nice %system %iowait %steal %idle 02:40:20 all 0.23 0.00 0.04 0.01 0.01 99.72 02:40:20 0 0.08 0.00 0.05 0.01 0.01 99.85 02:40:20 1 0.27 0.00 0.05 0.01 0.01 99.66 02:40:20 2 0.12 0.00 0.02 0.00 0.00 99.85 02:40:20 3 0.43 0.00 0.05 0.01 0.01 99.50 02:50:21 all 0.08 0.00 0.02 1.13 0.01 98.76 02:50:21 0 0.02 0.00 0.02 3.77 0.01 96.18 02:50:21 1 0.04 0.00 0.02 0.00 0.01 99.93 02:50:21 2 0.25 0.00 0.03 0.00 0.01 99.71 02:50:21 3 0.02 0.00 0.01 0.75 0.00 99.22 03:00:01 all 24.23 0.09 1.21 0.43 0.06 73.97 03:00:01 0 24.54 0.35 1.10 0.67 0.06 73.28 03:00:01 1 24.75 0.00 1.32 0.36 0.06 73.50 03:00:01 2 23.58 0.00 1.17 0.29 0.06 74.90 03:00:01 3 24.04 0.01 1.26 0.42 0.06 74.22 Average: all 7.92 0.03 0.41 0.52 0.03 91.10 Average: 0 7.95 0.11 0.38 1.48 0.03 90.06 Average: 1 8.07 0.00 0.45 0.12 0.03 91.33 Average: 2 7.74 0.00 0.39 0.10 0.03 91.74 Average: 3 7.90 0.00 0.42 0.39 0.02 91.27