---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34842 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 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 626 10181 4 5181 15020 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:2d:79:ac brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.162/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84844sec preferred_lft 84844sec inet6 fe80::f816:3eff:fe2d:79ac/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:46:56:49:ff:e5 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-34842) 07/11/26 _x86_64_ (4 CPU) 17:09:30 LINUX RESTART (4 CPU) 17:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 65.09 10.33 40.46 14.31 1417.85 5663.10 242664.55 17:30:12 4.19 0.23 3.82 0.14 11.45 643.24 25.54 Average: 34.38 5.24 21.99 7.16 708.69 3131.88 120316.06 17:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 10349328 13598248 2363164 14.43 118008 3285632 2713616 15.58 505508 5162964 35052 17:30:12 10314212 13743868 2215952 13.53 123808 3446436 2456696 14.10 546556 5131792 27616 Average: 10331770 13671058 2289558 13.98 120908 3366034 2585156 14.84 526032 5147378 31334 17:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 lo 0.54 0.54 0.05 0.05 0.00 0.00 0.00 0.00 17:20:01 ens3 124.37 93.78 1267.62 16.09 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:12 lo 0.77 0.77 0.37 0.37 0.00 0.00 0.00 0.00 17:30:12 ens3 7.70 6.80 47.38 1.58 0.00 0.00 0.00 0.00 17:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.65 0.65 0.22 0.22 0.00 0.00 0.00 0.00 Average: ens3 65.54 49.92 652.32 8.78 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-34842) 07/11/26 _x86_64_ (4 CPU) 17:09:30 LINUX RESTART (4 CPU) 17:10:00 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 39.78 0.00 1.23 0.61 0.08 58.29 17:20:01 0 45.14 0.00 1.38 0.25 0.08 53.15 17:20:01 1 41.30 0.00 1.43 0.67 0.08 56.53 17:20:01 2 38.46 0.00 0.98 0.69 0.06 59.81 17:20:01 3 34.24 0.00 1.15 0.83 0.08 63.70 17:30:12 all 48.37 0.00 0.63 0.02 0.08 50.89 17:30:12 0 67.61 0.00 0.60 0.03 0.09 31.67 17:30:12 1 44.14 0.00 0.55 0.00 0.07 55.24 17:30:12 2 34.98 0.00 0.61 0.03 0.07 64.31 17:30:12 3 46.77 0.00 0.77 0.03 0.08 52.34 Average: all 44.12 0.00 0.93 0.31 0.08 54.56 Average: 0 56.48 0.00 0.98 0.14 0.09 42.31 Average: 1 42.73 0.00 0.98 0.33 0.08 55.88 Average: 2 36.70 0.00 0.79 0.36 0.07 62.08 Average: 3 40.55 0.00 0.96 0.43 0.08 57.97