---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22607 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: 5599.94 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 656 10530 4 4802 14990 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:09:09:31 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84799sec preferred_lft 84799sec inet6 fe80::f816:3eff:fe09:931/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:fb:73:bf:9d:8b 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-22607) 06/02/26 _x86_64_ (4 CPU) 12:36:49 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:32 25.32 0.77 10.63 13.93 35.29 2432.02 230195.92 13:00:04 33.60 0.82 28.37 4.41 27.54 4122.61 5223.96 Average: 29.26 0.79 19.07 9.40 31.60 3235.92 123218.62 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:32 10059872 13621604 2336276 14.27 143328 3516924 2644052 15.18 633220 5275396 23600 13:00:04 10833992 15391652 559380 3.42 170504 4420308 1108144 6.36 897404 4138544 168 Average: 10446932 14506628 1447828 8.84 156916 3968616 1876098 10.77 765312 4706970 11884 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:32 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 12:50:32 ens3 73.52 57.62 118.98 18.53 0.00 0.00 0.00 0.00 12:50:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:04 lo 1767.80 1767.80 1679.04 1679.04 0.00 0.00 0.00 0.00 13:00:04 ens3 99.88 80.11 424.95 85.16 0.00 0.00 0.00 0.00 13:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 841.35 841.35 798.48 798.48 0.00 0.00 0.00 0.00 Average: ens3 86.06 68.31 264.47 50.22 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-22607) 06/02/26 _x86_64_ (4 CPU) 12:36:49 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:32 all 73.14 0.00 2.23 0.06 0.10 24.47 12:50:32 0 71.50 0.00 2.13 0.08 0.10 26.19 12:50:32 1 72.30 0.00 2.15 0.04 0.10 25.41 12:50:32 2 74.07 0.00 2.04 0.04 0.10 23.75 12:50:32 3 74.69 0.00 2.61 0.07 0.11 22.52 13:00:04 all 53.08 0.00 2.42 0.09 0.10 44.31 13:00:04 0 53.96 0.00 2.35 0.04 0.10 43.54 13:00:04 1 51.87 0.00 2.05 0.12 0.10 45.85 13:00:04 2 52.43 0.00 2.70 0.11 0.10 44.66 13:00:04 3 54.06 0.00 2.57 0.08 0.10 43.19 Average: all 63.60 0.00 2.32 0.07 0.10 33.90 Average: 0 63.17 0.00 2.23 0.06 0.10 34.44 Average: 1 62.58 0.00 2.10 0.08 0.10 35.13 Average: 2 63.78 0.00 2.35 0.07 0.10 33.70 Average: 3 64.88 0.00 2.59 0.08 0.11 32.35