---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-953 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 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 723 9420 4 5844 14922 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:97:fa:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.14/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83762sec preferred_lft 83762sec inet6 fe80::f816:3eff:fe97:faf5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:1a:8a:ea:47:82 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-953) 07/31/26 _x86_64_ (4 CPU) 20:24:55 LINUX RESTART (4 CPU) 20:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:08 26.91 2.32 10.32 14.27 136.37 3269.91 240655.63 20:50:08 54.36 0.33 44.82 9.21 10.13 4589.23 18557.02 21:00:01 43.24 0.14 35.81 7.28 9.92 5322.29 17740.45 Average: 41.49 0.93 30.29 10.27 52.31 4390.36 92614.83 20:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:08 10208604 13663676 2294704 14.02 149784 3417960 2632176 15.11 588400 5184844 53192 20:50:08 8927452 13336224 2612996 15.96 203868 4234372 2746076 15.76 819180 6115832 10236 21:00:01 9743992 15361700 583424 3.56 239392 5339424 1099276 6.31 1209236 4839148 12 Average: 9626683 14120533 1830375 11.18 197681 4330585 2159176 12.39 872272 5379941 21147 20:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:08 lo 1.18 1.18 0.11 0.11 0.00 0.00 0.00 0.00 20:40:08 ens3 104.69 84.13 547.12 20.58 0.00 0.00 0.00 0.00 20:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:08 lo 4645.70 4645.70 4430.37 4430.37 0.00 0.00 0.00 0.00 20:50:08 ens3 97.63 70.63 322.61 19.59 0.00 0.00 0.00 0.00 20:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 lo 3570.84 3570.84 3402.35 3402.35 0.00 0.00 0.00 0.00 21:00:01 ens3 87.04 68.30 104.40 34.98 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2735.55 2735.55 2607.43 2607.43 0.00 0.00 0.00 0.00 Average: ens3 96.49 74.38 325.51 25.02 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-953) 07/31/26 _x86_64_ (4 CPU) 20:24:55 LINUX RESTART (4 CPU) 20:30:08 CPU %user %nice %system %iowait %steal %idle 20:40:08 all 57.87 0.00 1.95 0.05 0.09 40.04 20:40:08 0 55.90 0.00 1.94 0.12 0.09 41.96 20:40:08 1 58.67 0.00 2.02 0.04 0.09 39.18 20:40:08 2 59.50 0.00 1.93 0.02 0.08 38.47 20:40:08 3 57.42 0.00 1.92 0.02 0.09 40.55 20:50:08 all 63.19 0.00 3.92 0.08 0.09 32.72 20:50:08 0 64.18 0.00 3.85 0.06 0.10 31.81 20:50:08 1 63.25 0.00 3.86 0.08 0.10 32.72 20:50:08 2 64.14 0.00 3.95 0.06 0.09 31.76 20:50:08 3 61.19 0.00 4.02 0.12 0.09 34.57 21:00:01 all 56.00 0.00 3.44 0.10 0.09 40.36 21:00:01 0 54.20 0.00 3.60 0.10 0.09 42.02 21:00:01 1 57.87 0.00 3.53 0.05 0.09 38.46 21:00:01 2 56.19 0.00 3.19 0.08 0.09 40.45 21:00:01 3 55.75 0.00 3.46 0.17 0.09 40.52 Average: all 59.03 0.00 3.10 0.08 0.09 37.70 Average: 0 58.11 0.00 3.13 0.09 0.09 38.59 Average: 1 59.93 0.00 3.14 0.05 0.09 36.78 Average: 2 59.96 0.00 3.02 0.05 0.09 36.88 Average: 3 58.13 0.00 3.13 0.10 0.09 38.54