---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11689 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 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 651 8303 4 7033 14994 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:7a:23:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83484sec preferred_lft 83484sec inet6 fe80::f816:3eff:fe7a:2316/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:ae:a0:b2:bf:ad 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-11689) 05/07/26 _x86_64_ (4 CPU) 08:41:12 LINUX RESTART (4 CPU) 08:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:22 25.35 0.03 22.61 2.71 0.62 2281.09 23305.43 09:10:01 27.53 0.04 24.76 2.74 0.76 4238.94 25765.06 09:20:03 10.79 0.29 9.28 1.22 11.37 7355.13 1454.57 Average: 21.18 0.12 18.85 2.22 4.26 4607.67 16789.70 08:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:22 8737668 12736628 3218736 19.66 151652 3944544 3186064 18.29 791820 6428540 215076 09:10:01 7270564 12043100 3908672 23.87 167024 4668496 3700352 21.24 1034000 7596560 564 09:20:03 8525392 15367148 577696 3.53 184796 6653764 1096048 6.29 1785628 5508928 216 Average: 8177875 13382292 2568368 15.69 167824 5088935 2660821 15.27 1203816 6511343 71952 08:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:22 lo 1345.59 1345.59 1276.67 1276.67 0.00 0.00 0.00 0.00 09:00:22 ens3 41.34 32.06 22.17 11.05 0.00 0.00 0.00 0.00 09:00:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 lo 1104.38 1104.38 1043.99 1043.99 0.00 0.00 0.00 0.00 09:10:01 ens3 46.08 35.31 29.77 11.75 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:03 lo 2430.11 2430.11 9249.87 9249.87 0.00 0.00 0.00 0.00 09:20:03 ens3 49.31 55.20 134.69 564.16 0.00 0.00 0.00 0.00 09:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1630.66 1630.66 3868.07 3868.07 0.00 0.00 0.00 0.00 Average: ens3 45.53 40.85 62.24 196.23 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-11689) 05/07/26 _x86_64_ (4 CPU) 08:41:12 LINUX RESTART (4 CPU) 08:50:02 CPU %user %nice %system %iowait %steal %idle 09:00:22 all 66.88 0.00 2.32 0.04 0.09 30.67 09:00:22 0 66.22 0.00 2.15 0.04 0.09 31.50 09:00:22 1 67.44 0.00 2.34 0.02 0.09 30.11 09:00:22 2 67.75 0.00 2.52 0.04 0.09 29.60 09:00:22 3 66.10 0.00 2.26 0.06 0.09 31.49 09:10:01 all 54.96 0.00 2.15 0.07 0.09 42.74 09:10:01 0 56.32 0.00 1.97 0.05 0.09 41.57 09:10:01 1 53.99 0.00 2.18 0.12 0.09 43.62 09:10:01 2 55.71 0.00 2.56 0.06 0.09 41.58 09:10:01 3 53.79 0.00 1.87 0.05 0.09 44.20 09:20:03 all 32.22 0.00 1.18 0.11 0.06 66.43 09:20:03 0 42.08 0.00 1.29 0.06 0.07 56.51 09:20:03 1 25.29 0.00 1.32 0.08 0.06 73.24 09:20:03 2 30.00 0.00 0.77 0.29 0.06 68.88 09:20:03 3 31.49 0.00 1.34 0.02 0.06 67.09 Average: all 51.44 0.00 1.88 0.07 0.08 46.53 Average: 0 54.95 0.00 1.81 0.05 0.08 43.12 Average: 1 49.00 0.00 1.95 0.07 0.08 48.90 Average: 2 51.24 0.00 1.95 0.13 0.08 46.60 Average: 3 50.56 0.00 1.83 0.04 0.08 47.50