---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1064 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 12G 66G 16% / 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 663 8938 4 6387 14983 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:55:8a:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84202sec preferred_lft 84202sec inet6 fe80::f816:3eff:fe55:8a56/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:a1:c5:b2:49:fe 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-1064) 03/18/26 _x86_64_ (4 CPU) 05:21:28 LINUX RESTART (4 CPU) 05:30:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:07 24.83 0.03 22.02 2.79 0.65 2257.81 5738.26 05:50:01 25.83 0.02 23.33 2.48 0.35 4090.33 6831.37 Average: 25.33 0.03 22.68 2.63 0.50 3177.39 6286.80 05:30:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:07 9395652 13092028 2864080 17.49 150560 3654056 2754952 15.81 725632 5829496 17652 05:50:01 5938636 10616084 5336240 32.59 166608 4575992 5188860 29.78 1000840 8975032 220 Average: 7667144 11854056 4100160 25.04 158584 4115024 3971906 22.80 863236 7402264 8936 05:30:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:07 lo 1389.29 1389.29 1317.72 1317.72 0.00 0.00 0.00 0.00 05:40:07 ens3 38.06 31.03 22.87 11.35 0.00 0.00 0.00 0.00 05:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 lo 1006.58 1006.58 999.83 999.83 0.00 0.00 0.00 0.00 05:50:01 ens3 42.32 30.56 38.22 10.36 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1197.24 1197.24 1158.20 1158.20 0.00 0.00 0.00 0.00 Average: ens3 40.20 30.80 30.57 10.85 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-1064) 03/18/26 _x86_64_ (4 CPU) 05:21:28 LINUX RESTART (4 CPU) 05:30:17 CPU %user %nice %system %iowait %steal %idle 05:40:07 all 66.71 0.00 2.34 0.05 0.08 30.81 05:40:07 0 65.65 0.00 2.19 0.06 0.08 32.02 05:40:07 1 67.35 0.00 2.30 0.04 0.08 30.23 05:40:07 2 67.53 0.00 2.38 0.05 0.08 29.95 05:40:07 3 66.31 0.00 2.51 0.06 0.09 31.02 05:50:01 all 55.87 0.00 2.25 0.10 0.08 41.70 05:50:01 0 60.44 0.00 2.39 0.05 0.08 37.04 05:50:01 1 56.48 0.00 2.59 0.16 0.08 40.68 05:50:01 2 52.96 0.00 1.90 0.13 0.08 44.93 05:50:01 3 53.61 0.00 2.10 0.06 0.08 44.16 Average: all 61.27 0.00 2.29 0.08 0.08 36.27 Average: 0 63.03 0.00 2.29 0.06 0.08 34.54 Average: 1 61.90 0.00 2.44 0.10 0.08 35.47 Average: 2 60.22 0.00 2.14 0.09 0.08 37.47 Average: 3 59.94 0.00 2.30 0.06 0.08 37.61