---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32323 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 67G 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 623 10519 4 4846 15023 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:35:52:6b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.239/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84577sec preferred_lft 84577sec inet6 fe80::f816:3eff:fe35:526b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:65:bd:d4:7b:b1 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-32323) 07/02/26 _x86_64_ (4 CPU) 09:56:19 LINUX RESTART (4 CPU) 10:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:01 8.98 2.12 6.65 0.21 133.62 2167.13 21.25 10:20:12 2.88 0.01 2.76 0.10 0.30 329.38 57.38 Average: 5.88 1.05 4.68 0.16 65.90 1233.61 39.61 10:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 9361680 12423860 3539256 21.62 114128 3106696 3761240 21.59 495140 6165756 196 10:20:12 10235676 13415808 2546660 15.55 117888 3211580 2808048 16.12 519576 5263368 26804 Average: 9798678 12919834 3042958 18.59 116008 3159138 3284644 18.85 507358 5714562 13500 10:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 lo 0.47 0.47 0.14 0.14 0.00 0.00 0.00 0.00 10:10:01 ens3 41.10 32.86 421.85 5.02 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:12 lo 0.38 0.38 0.25 0.25 0.00 0.00 0.00 0.00 10:20:12 ens3 5.54 4.42 28.99 0.99 0.00 0.00 0.00 0.00 10:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.43 0.43 0.20 0.20 0.00 0.00 0.00 0.00 Average: ens3 23.04 18.41 222.29 2.97 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-32323) 07/02/26 _x86_64_ (4 CPU) 09:56:19 LINUX RESTART (4 CPU) 10:00:10 CPU %user %nice %system %iowait %steal %idle 10:10:01 all 52.09 0.00 0.97 0.06 0.11 46.76 10:10:01 0 43.75 0.00 0.91 0.10 0.11 55.15 10:10:01 1 49.24 0.00 0.92 0.08 0.11 49.66 10:10:01 2 58.59 0.00 0.89 0.05 0.12 40.36 10:10:01 3 56.76 0.00 1.19 0.04 0.12 41.89 10:20:12 all 46.92 0.00 0.55 0.06 0.12 52.35 10:20:12 0 42.29 0.00 0.43 0.07 0.11 57.10 10:20:12 1 40.08 0.00 0.55 0.06 0.10 59.20 10:20:12 2 56.19 0.00 0.67 0.04 0.13 42.97 10:20:12 3 49.12 0.00 0.54 0.08 0.12 50.15 Average: all 49.46 0.00 0.76 0.06 0.11 49.60 Average: 0 43.01 0.00 0.66 0.08 0.11 56.14 Average: 1 44.59 0.00 0.73 0.07 0.10 54.51 Average: 2 57.37 0.00 0.78 0.05 0.12 41.68 Average: 3 52.87 0.00 0.86 0.06 0.12 46.09