---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36887 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 12G 67G 15% / 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 649 9619 4 5720 14997 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:8c:8a:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.143/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84770sec preferred_lft 84770sec inet6 fe80::f816:3eff:fe8c:8a0e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:df:10:ab:6f:8d 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-36887) 07/18/26 _x86_64_ (4 CPU) 10:25:11 LINUX RESTART (4 CPU) 10:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:00 15.80 0.28 13.02 2.50 209.41 1025.70 50072.28 10:50:03 34.42 0.31 18.52 15.60 8.60 5480.34 271725.88 Average: 25.14 0.29 15.78 9.07 108.67 3260.33 161263.21 10:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:00 9512608 12947092 3011808 18.39 126076 3437788 3257332 18.70 700740 5770580 28 10:50:03 10126704 15114316 836308 5.11 160772 4876152 1403132 8.05 1541920 4241868 12156 Average: 9819656 14030704 1924058 11.75 143424 4156970 2330232 13.38 1121330 5006224 6092 10:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:00 lo 39.21 39.21 9.46 9.46 0.00 0.00 0.00 0.00 10:40:00 ens3 19.00 15.13 72.54 12.27 0.00 0.00 0.00 0.00 10:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:03 lo 779.27 779.27 752.53 752.53 0.00 0.00 0.00 0.00 10:50:03 ens3 65.01 67.99 345.02 741.61 0.00 0.00 0.00 0.00 10:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 410.46 410.46 382.22 382.22 0.00 0.00 0.00 0.00 Average: ens3 42.08 41.65 209.23 378.14 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-36887) 07/18/26 _x86_64_ (4 CPU) 10:25:11 LINUX RESTART (4 CPU) 10:30:01 CPU %user %nice %system %iowait %steal %idle 10:40:00 all 22.84 0.00 0.89 0.14 0.08 76.05 10:40:00 0 23.76 0.00 0.92 0.08 0.08 75.16 10:40:00 1 23.04 0.00 0.97 0.18 0.08 75.73 10:40:00 2 22.12 0.00 0.78 0.10 0.09 76.92 10:40:00 3 22.45 0.00 0.88 0.20 0.08 76.39 10:50:03 all 33.75 0.00 1.62 0.10 0.09 64.44 10:50:03 0 35.32 0.00 1.50 0.09 0.08 63.00 10:50:03 1 33.71 0.00 1.59 0.13 0.09 64.48 10:50:03 2 33.79 0.00 1.66 0.04 0.09 64.42 10:50:03 3 32.17 0.00 1.74 0.14 0.09 65.86 Average: all 28.31 0.00 1.26 0.12 0.09 70.23 Average: 0 29.55 0.00 1.21 0.08 0.08 69.07 Average: 1 28.39 0.00 1.28 0.16 0.09 70.08 Average: 2 27.97 0.00 1.22 0.07 0.09 70.65 Average: 3 27.33 0.00 1.31 0.17 0.09 71.11