---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-466534 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 606 10600 4 4782 15040 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:c2:9b:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.89/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84787sec preferred_lft 84787sec inet6 fe80::f816:3eff:fec2:9bb5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:51:fb:c2:28:1d 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-466534) 03/13/26 _x86_64_ (4 CPU) 22:47:16 LINUX RESTART (4 CPU) 22:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:00:00 8.32 0.90 7.22 0.20 58.55 2059.94 594.14 23:10:01 6.09 0.50 5.32 0.27 18.67 727.80 322.28 Average: 7.20 0.70 6.27 0.23 38.56 1392.10 457.85 22:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:00:00 8981272 11945828 4018000 24.54 111928 3018812 4403100 25.27 490208 6555960 6956 23:10:01 9234520 12884644 3075164 18.78 129136 3649492 3253824 18.68 592500 6169372 492148 Average: 9107896 12415236 3546582 21.66 120532 3334152 3828462 21.98 541354 6362666 249552 22:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:00:00 lo 0.65 0.65 0.38 0.38 0.00 0.00 0.00 0.00 23:00:00 ens3 18.11 14.99 116.23 3.08 0.00 0.00 0.00 0.00 23:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 lo 116.91 116.91 111.15 111.15 0.00 0.00 0.00 0.00 23:10:01 ens3 34.88 24.89 407.62 3.20 0.00 0.00 0.00 0.00 23:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 58.93 58.93 55.91 55.91 0.00 0.00 0.00 0.00 Average: ens3 26.51 19.95 262.31 3.14 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-466534) 03/13/26 _x86_64_ (4 CPU) 22:47:16 LINUX RESTART (4 CPU) 22:50:02 CPU %user %nice %system %iowait %steal %idle 23:00:00 all 52.90 0.00 0.81 0.10 0.09 46.10 23:00:00 0 54.98 0.00 1.05 0.14 0.09 43.73 23:00:00 1 60.18 0.00 0.73 0.16 0.09 38.84 23:00:00 2 49.72 0.00 0.85 0.07 0.09 49.27 23:00:00 3 46.71 0.00 0.61 0.05 0.09 52.54 23:10:01 all 52.53 0.00 0.74 0.10 0.09 46.54 23:10:01 0 39.36 0.00 0.71 0.19 0.08 59.66 23:10:01 1 52.88 0.00 0.79 0.09 0.09 46.14 23:10:01 2 48.12 0.00 0.86 0.06 0.09 50.87 23:10:01 3 69.74 0.00 0.60 0.05 0.10 29.52 Average: all 52.71 0.00 0.78 0.10 0.09 46.32 Average: 0 47.15 0.00 0.88 0.16 0.09 51.71 Average: 1 56.52 0.00 0.76 0.13 0.09 42.50 Average: 2 48.92 0.00 0.86 0.06 0.09 50.07 Average: 3 58.26 0.00 0.60 0.05 0.09 40.99