---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30010 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: 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 595 10598 4 4795 15051 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:b7:28:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84402sec preferred_lft 84402sec inet6 fe80::f816:3eff:feb7:284e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:fb:ab:51:dd:13 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-30010) 03/25/26 _x86_64_ (4 CPU) 07:01:28 LINUX RESTART (4 CPU) 07:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:03 3.65 0.07 3.43 0.14 7.12 492.53 65.29 07:30:01 9.19 0.52 8.12 0.54 19.10 2455.52 4900.84 Average: 6.42 0.30 5.78 0.34 13.11 1473.50 2481.77 07:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:03 8328020 11307812 4655776 28.44 112372 3032944 4750364 27.27 490124 7217120 5296 07:30:01 10240636 13640416 2319908 14.17 130360 3406108 2495084 14.32 585036 5176824 11308 Average: 9284328 12474114 3487842 21.30 121366 3219526 3622724 20.79 537580 6196972 8302 07:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:03 lo 0.58 0.58 0.38 0.38 0.00 0.00 0.00 0.00 07:20:03 ens3 8.02 6.85 34.94 2.08 0.00 0.00 0.00 0.00 07:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:01 lo 146.18 146.18 139.07 139.07 0.00 0.00 0.00 0.00 07:30:01 ens3 36.54 27.84 410.25 3.69 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 73.34 73.34 69.69 69.69 0.00 0.00 0.00 0.00 Average: ens3 22.27 17.34 222.50 2.89 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-30010) 03/25/26 _x86_64_ (4 CPU) 07:01:28 LINUX RESTART (4 CPU) 07:10:04 CPU %user %nice %system %iowait %steal %idle 07:20:03 all 46.54 0.00 0.70 1.11 0.14 51.51 07:20:03 0 50.00 0.00 0.78 1.33 0.15 47.74 07:20:03 1 47.92 0.00 0.80 0.56 0.14 50.57 07:20:03 2 36.08 0.00 0.66 1.26 0.13 61.87 07:20:03 3 52.17 0.00 0.55 1.29 0.14 45.85 07:30:01 all 47.79 0.00 0.98 2.64 0.16 48.44 07:30:01 0 37.47 0.00 1.16 3.17 0.15 58.04 07:30:01 1 40.70 0.00 0.85 1.07 0.14 57.24 07:30:01 2 58.74 0.00 0.94 4.00 0.18 36.14 07:30:01 3 54.25 0.00 0.97 2.32 0.16 42.30 Average: all 47.16 0.00 0.84 1.87 0.15 49.97 Average: 0 43.74 0.00 0.97 2.25 0.15 52.89 Average: 1 44.31 0.00 0.82 0.82 0.14 53.91 Average: 2 47.39 0.00 0.80 2.63 0.16 49.02 Average: 3 53.21 0.00 0.76 1.80 0.15 44.08