---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12271 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 11G 68G 14% / 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 686 10352 4 4951 14960 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:c2:1a:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.217/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84668sec preferred_lft 84668sec inet6 fe80::f816:3eff:fec2:1a73/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:07:01:ad:86:31 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-12271) 05/09/26 _x86_64_ (4 CPU) 15:56:29 LINUX RESTART (4 CPU) 16:00:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:00 27.95 0.86 12.01 15.07 433.81 2742.65 255347.09 16:20:20 34.19 0.75 29.32 4.12 25.35 3815.84 2972.15 Average: 31.17 0.81 20.95 9.42 222.79 3297.06 124969.17 16:00:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:00 9917676 13633168 2324060 14.19 146812 3669868 2552380 14.65 773352 5263664 26072 16:20:20 10646304 15356544 594444 3.63 174096 4571660 1114192 6.40 1036632 4181812 40 Average: 10281990 14494856 1459252 8.91 160454 4120764 1833286 10.52 904992 4722738 13056 16:00:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:00 lo 1.44 1.44 0.14 0.14 0.00 0.00 0.00 0.00 16:10:00 ens3 80.14 59.75 235.01 18.33 0.00 0.00 0.00 0.00 16:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:20 lo 1616.37 1616.37 1537.41 1537.41 0.00 0.00 0.00 0.00 16:20:20 ens3 90.20 70.83 390.02 64.98 0.00 0.00 0.00 0.00 16:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 835.72 835.72 794.30 794.30 0.00 0.00 0.00 0.00 Average: ens3 85.33 65.48 315.09 42.43 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-12271) 05/09/26 _x86_64_ (4 CPU) 15:56:29 LINUX RESTART (4 CPU) 16:00:19 CPU %user %nice %system %iowait %steal %idle 16:10:00 all 72.36 0.00 2.32 0.24 0.10 24.98 16:10:00 0 71.10 0.00 2.05 0.19 0.10 26.56 16:10:00 1 73.21 0.00 2.32 0.16 0.10 24.22 16:10:00 2 71.71 0.00 2.16 0.47 0.10 25.56 16:10:00 3 73.43 0.00 2.76 0.12 0.10 23.60 16:20:20 all 46.63 0.00 2.13 0.08 0.07 51.09 16:20:20 0 45.77 0.00 2.19 0.05 0.06 51.92 16:20:20 1 47.74 0.00 2.40 0.17 0.07 49.62 16:20:20 2 47.94 0.00 1.97 0.04 0.06 49.99 16:20:20 3 45.07 0.00 1.97 0.06 0.07 52.82 Average: all 59.07 0.00 2.22 0.16 0.08 38.47 Average: 0 58.01 0.00 2.12 0.12 0.08 39.67 Average: 1 60.05 0.00 2.36 0.17 0.08 37.34 Average: 2 59.43 0.00 2.06 0.25 0.08 38.19 Average: 3 58.78 0.00 2.35 0.09 0.08 38.70