---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23963 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 643 8804 4 6541 15003 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:39:aa:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.203/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84558sec preferred_lft 84558sec inet6 fe80::f816:3eff:fe39:aa3c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:0e:8c:96:ce:c6 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-23963) 02/28/26 _x86_64_ (4 CPU) 02:20:34 LINUX RESTART (4 CPU) 02:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:40:01 24.91 0.01 22.41 2.49 0.20 2181.62 24946.03 02:50:02 21.60 0.02 19.88 1.69 0.48 8108.29 13289.43 Average: 23.25 0.02 21.14 2.09 0.34 5148.93 19109.92 02:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:40:01 9162416 12990980 2964488 18.11 150956 3781004 3020540 17.34 803008 5964812 11304 02:50:02 6629140 12944472 3002596 18.34 172912 6161040 3080808 17.68 1656680 7588316 257300 Average: 7895778 12967726 2983542 18.22 161934 4971022 3050674 17.51 1229844 6776564 134302 02:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:40:01 lo 1161.20 1161.20 1105.18 1105.18 0.00 0.00 0.00 0.00 02:40:01 ens3 20.19 18.80 18.02 6.44 0.00 0.00 0.00 0.00 02:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:50:02 lo 817.28 817.28 7371.53 7371.53 0.00 0.00 0.00 0.00 02:50:02 ens3 23.88 20.83 104.01 6.39 0.00 0.00 0.00 0.00 02:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 989.01 989.01 4242.55 4242.55 0.00 0.00 0.00 0.00 Average: ens3 22.03 19.82 61.08 6.42 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-23963) 02/28/26 _x86_64_ (4 CPU) 02:20:34 LINUX RESTART (4 CPU) 02:30:01 CPU %user %nice %system %iowait %steal %idle 02:40:01 all 66.44 0.00 2.36 0.08 0.12 31.00 02:40:01 0 64.99 0.00 2.38 0.11 0.11 32.40 02:40:01 1 66.46 0.00 2.18 0.09 0.12 31.15 02:40:01 2 67.14 0.00 2.29 0.06 0.12 30.38 02:40:01 3 67.16 0.00 2.59 0.07 0.12 30.07 02:50:02 all 46.16 0.00 1.81 0.26 0.10 51.67 02:50:02 0 43.69 0.00 2.19 0.16 0.11 53.85 02:50:02 1 47.05 0.00 1.74 0.25 0.10 50.86 02:50:02 2 45.84 0.00 1.86 0.54 0.11 51.65 02:50:02 3 48.07 0.00 1.43 0.09 0.10 50.32 Average: all 56.28 0.00 2.08 0.17 0.11 41.36 Average: 0 54.32 0.00 2.29 0.13 0.11 43.15 Average: 1 56.74 0.00 1.96 0.17 0.11 41.02 Average: 2 56.47 0.00 2.08 0.30 0.11 41.04 Average: 3 57.59 0.00 2.01 0.08 0.11 40.21