---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23770 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: 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 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 666 7961 4 7360 14979 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:c4:a2:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.12/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83973sec preferred_lft 83973sec inet6 fe80::f816:3eff:fec4:a2d2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:a0:50:35:29:07 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-23770) 06/04/26 _x86_64_ (4 CPU) 22:11:10 LINUX RESTART (4 CPU) 22:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:30:00 28.04 0.02 24.83 3.19 0.24 2213.77 6537.63 22:40:00 21.48 0.02 19.48 1.97 0.36 3847.91 5174.80 22:50:00 13.81 0.29 12.15 1.37 11.38 7409.70 51544.96 Average: 21.11 0.11 18.82 2.18 3.99 4490.26 21080.76 22:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:30:00 8915800 13099220 2854648 17.44 155884 4121584 3139856 18.02 917196 6119896 34936 22:40:00 7378420 12486164 3464172 21.16 168684 4993908 3339892 19.17 1172348 7343136 720 22:50:00 8194220 15371652 570800 3.49 184916 6980708 1105652 6.35 1921976 5698848 48 Average: 8162813 13652345 2296540 14.03 169828 5365400 2528467 14.51 1337173 6387293 11901 22:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:30:00 lo 1490.15 1490.15 1419.52 1419.52 0.00 0.00 0.00 0.00 22:30:00 ens3 37.46 30.01 15.36 10.41 0.00 0.00 0.00 0.00 22:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:00 lo 715.18 715.18 674.24 674.24 0.00 0.00 0.00 0.00 22:40:00 ens3 35.75 25.29 25.30 8.76 0.00 0.00 0.00 0.00 22:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:00 lo 2574.95 2574.95 9301.68 9301.68 0.00 0.00 0.00 0.00 22:50:00 ens3 82.17 94.21 143.66 1202.71 0.00 0.00 0.00 0.00 22:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1593.15 1593.15 3797.49 3797.49 0.00 0.00 0.00 0.00 Average: ens3 51.79 49.83 61.43 407.17 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-23770) 06/04/26 _x86_64_ (4 CPU) 22:11:10 LINUX RESTART (4 CPU) 22:20:00 CPU %user %nice %system %iowait %steal %idle 22:30:00 all 63.85 0.00 2.39 0.11 0.11 33.54 22:30:00 0 62.13 0.00 2.33 0.18 0.10 35.27 22:30:00 1 64.35 0.00 2.12 0.09 0.10 33.34 22:30:00 2 65.12 0.00 2.14 0.10 0.16 32.48 22:30:00 3 63.80 0.00 2.97 0.05 0.10 33.09 22:40:00 all 44.44 0.00 1.73 0.11 0.09 53.63 22:40:00 0 44.85 0.00 1.70 0.17 0.09 53.20 22:40:00 1 44.67 0.00 1.80 0.15 0.09 53.30 22:40:00 2 45.54 0.00 1.75 0.08 0.08 52.55 22:40:00 3 42.72 0.00 1.69 0.04 0.09 55.48 22:50:00 all 34.85 0.00 1.30 0.51 0.07 63.26 22:50:00 0 38.38 0.00 1.35 0.31 0.07 59.90 22:50:00 1 47.38 0.00 1.09 0.24 0.08 51.22 22:50:00 2 22.56 0.00 1.12 1.31 0.07 74.94 22:50:00 3 31.05 0.00 1.66 0.19 0.07 67.03 Average: all 47.70 0.00 1.81 0.24 0.09 50.16 Average: 0 48.44 0.00 1.79 0.22 0.08 49.47 Average: 1 52.12 0.00 1.67 0.16 0.09 45.96 Average: 2 44.39 0.00 1.67 0.50 0.11 53.34 Average: 3 45.85 0.00 2.10 0.09 0.09 51.87