---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-499472 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 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 665 9793 4 5530 14981 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:30:48:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84706sec preferred_lft 84706sec inet6 fe80::f816:3eff:fe30:48a1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:3f:92:d4:25:6d 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 inet6 fe80::d43f:92ff:fed4:256d/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-499472) 03/17/26 _x86_64_ (4 CPU) 07:57:00 LINUX RESTART (4 CPU) 08:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:36 5.60 0.26 4.99 0.35 25.31 883.11 284.50 08:20:02 12.67 0.55 11.32 0.80 20.19 1935.31 2420.13 Average: 8.93 0.40 7.97 0.56 22.90 1378.31 1289.60 08:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:36 8327072 11338624 4624140 28.24 113432 3063472 4744580 27.23 497668 7213028 120 08:20:02 9184828 12902136 3056696 18.67 131940 3712224 3169844 18.19 695064 6105288 269364 Average: 8755950 12120380 3840418 23.46 122686 3387848 3957212 22.71 596366 6659158 134742 08:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:36 lo 0.61 0.61 0.36 0.36 0.00 0.00 0.00 0.00 08:10:36 ens3 18.89 14.54 153.78 2.56 0.00 0.00 0.00 0.00 08:10:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:02 lo 350.16 350.16 333.58 333.58 0.00 0.00 0.00 0.00 08:20:02 ens3 39.04 27.76 438.64 3.81 0.00 0.00 0.00 0.00 08:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 165.12 165.12 157.19 157.19 0.00 0.00 0.00 0.00 Average: ens3 28.37 20.76 287.84 3.15 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-499472) 03/17/26 _x86_64_ (4 CPU) 07:57:00 LINUX RESTART (4 CPU) 08:00:01 CPU %user %nice %system %iowait %steal %idle 08:10:36 all 48.41 0.00 0.70 0.03 0.08 50.77 08:10:36 0 48.79 0.00 0.68 0.03 0.08 50.41 08:10:36 1 45.97 0.00 0.75 0.02 0.08 53.18 08:10:36 2 55.15 0.00 0.71 0.05 0.09 44.00 08:10:36 3 43.74 0.00 0.65 0.04 0.08 55.49 08:20:02 all 55.68 0.00 1.06 0.04 0.08 43.14 08:20:02 0 66.86 0.00 1.01 0.03 0.09 32.01 08:20:02 1 65.85 0.00 1.00 0.05 0.08 33.02 08:20:02 2 46.61 0.00 1.20 0.03 0.08 52.08 08:20:02 3 43.38 0.00 1.04 0.06 0.09 55.44 Average: all 51.83 0.00 0.87 0.04 0.08 47.18 Average: 0 57.29 0.00 0.84 0.03 0.08 41.76 Average: 1 55.32 0.00 0.87 0.04 0.08 43.70 Average: 2 51.13 0.00 0.94 0.04 0.08 47.81 Average: 3 43.57 0.00 0.83 0.05 0.08 55.47