---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12546 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 687 8133 4 7168 14959 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:64:e4:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.48/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84006sec preferred_lft 84006sec inet6 fe80::f816:3eff:fe64:e48d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:e4:7d:6e:62:dd 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-12546) 05/10/26 _x86_64_ (4 CPU) 19:01:20 LINUX RESTART (4 CPU) 19:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:10 22.24 0.06 19.56 2.61 6.17 2146.54 6035.10 19:30:10 32.10 0.04 28.88 3.19 0.80 4434.76 9287.02 19:40:09 24.65 0.29 9.33 15.03 11.53 7398.88 231355.71 Average: 26.31 0.13 19.26 6.92 6.16 4647.80 81847.39 19:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:10 9135508 13025564 2930416 17.90 149612 3847172 3039800 17.45 812976 6013516 16452 19:30:10 7597404 12499544 3451360 21.08 166388 4797720 3472500 19.93 1090404 7220924 740 19:40:09 8374548 15354632 588544 3.59 186480 6789032 1117380 6.41 1849076 5597968 304 Average: 8369153 13626580 2323440 14.19 167493 5144641 2543227 14.60 1250819 6277469 5832 19:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:10 lo 1212.90 1212.90 1148.98 1148.98 0.00 0.00 0.00 0.00 19:20:10 ens3 49.72 39.30 46.07 12.64 0.00 0.00 0.00 0.00 19:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:10 lo 1356.07 1356.07 1285.73 1285.73 0.00 0.00 0.00 0.00 19:30:10 ens3 48.00 36.40 30.23 12.76 0.00 0.00 0.00 0.00 19:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:09 lo 2446.32 2446.32 9292.92 9292.92 0.00 0.00 0.00 0.00 19:40:09 ens3 85.08 97.52 145.32 1212.11 0.00 0.00 0.00 0.00 19:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1669.49 1669.49 3895.50 3895.50 0.00 0.00 0.00 0.00 Average: ens3 60.88 57.65 73.73 410.51 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-12546) 05/10/26 _x86_64_ (4 CPU) 19:01:20 LINUX RESTART (4 CPU) 19:10:02 CPU %user %nice %system %iowait %steal %idle 19:20:10 all 67.46 0.00 2.19 0.04 0.09 30.22 19:20:10 0 65.44 0.00 2.14 0.06 0.09 32.27 19:20:10 1 67.63 0.00 1.88 0.04 0.09 30.36 19:20:10 2 68.95 0.00 2.54 0.03 0.09 28.38 19:20:10 3 67.83 0.00 2.19 0.03 0.09 29.86 19:30:10 all 58.13 0.00 2.38 0.10 0.09 39.31 19:30:10 0 58.26 0.00 2.59 0.10 0.09 38.95 19:30:10 1 56.86 0.00 2.13 0.12 0.09 40.79 19:30:10 2 56.82 0.00 2.32 0.13 0.09 40.65 19:30:10 3 60.57 0.00 2.47 0.05 0.08 36.83 19:40:09 all 34.92 0.00 1.25 0.20 0.07 63.54 19:40:09 0 34.16 0.00 1.42 0.44 0.08 63.88 19:40:09 1 36.93 0.00 0.92 0.10 0.08 61.98 19:40:09 2 30.09 0.00 0.82 0.10 0.07 68.92 19:40:09 3 38.53 0.00 1.86 0.16 0.07 59.37 Average: all 53.55 0.00 1.94 0.11 0.08 44.31 Average: 0 52.66 0.00 2.05 0.20 0.09 45.00 Average: 1 53.86 0.00 1.64 0.08 0.09 44.33 Average: 2 52.00 0.00 1.89 0.09 0.08 45.94 Average: 3 55.69 0.00 2.17 0.08 0.08 41.97