---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6645 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 613 10407 4 4968 15033 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:fc:58:87 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.10/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84776sec preferred_lft 84776sec inet6 fe80::f816:3eff:fefc:5887/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:f9:5f:9c:2b:ee 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-6645) 03/21/26 _x86_64_ (4 CPU) 09:56:27 LINUX RESTART (4 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:01 8.67 0.56 7.53 0.58 235.87 1507.08 26110.25 10:20:03 11.13 0.52 9.90 0.72 18.98 1736.02 1555.89 Average: 9.91 0.54 8.72 0.65 127.25 1621.73 13813.87 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 8486280 11678716 4283220 26.16 116732 3238224 4466552 25.64 586888 6946552 304 10:20:03 9718872 13443432 2515044 15.36 135036 3720516 2769844 15.90 757556 5511832 112024 Average: 9102576 12561074 3399132 20.76 125884 3479370 3618198 20.77 672222 6229192 56164 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 lo 0.68 0.68 0.39 0.39 0.00 0.00 0.00 0.00 10:10:01 ens3 25.08 20.48 232.95 3.41 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 10:20:03 lo 271.82 271.82 258.34 258.34 0.00 0.00 0.00 0.00 10:20:03 ens3 35.66 26.80 411.70 3.59 0.00 0.00 0.00 0.00 10:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 136.47 136.47 129.57 129.57 0.00 0.00 0.00 0.00 Average: ens3 30.38 23.65 322.46 3.50 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-6645) 03/21/26 _x86_64_ (4 CPU) 09:56:27 LINUX RESTART (4 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:01 all 49.20 0.00 0.85 0.08 0.08 49.79 10:10:01 0 51.76 0.00 0.89 0.06 0.07 47.22 10:10:01 1 51.80 0.00 0.78 0.05 0.07 47.31 10:10:01 2 46.33 0.00 0.91 0.04 0.08 52.64 10:10:01 3 46.94 0.00 0.84 0.17 0.08 51.98 10:20:03 all 52.48 0.00 0.95 0.03 0.07 46.46 10:20:03 0 59.50 0.00 1.12 0.05 0.07 39.25 10:20:03 1 41.99 0.00 0.78 0.02 0.06 57.14 10:20:03 2 68.49 0.00 1.14 0.01 0.07 30.29 10:20:03 3 40.03 0.00 0.78 0.05 0.08 59.07 Average: all 50.84 0.00 0.90 0.06 0.07 48.12 Average: 0 55.63 0.00 1.00 0.06 0.07 43.23 Average: 1 46.89 0.00 0.78 0.03 0.07 52.23 Average: 2 57.42 0.00 1.02 0.03 0.07 41.45 Average: 3 43.47 0.00 0.81 0.11 0.08 55.53