---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23769 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: 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 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 637 8711 4 6640 15009 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:2d:88:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.161/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84871sec preferred_lft 84871sec inet6 fe80::f816:3eff:fe2d:8883/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:5a:ff:60:8a:12 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-23769) 02/27/26 _x86_64_ (4 CPU) 10:08:30 LINUX RESTART (4 CPU) 10:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:15 65.58 5.53 56.57 3.47 872.91 6528.00 18253.53 10:30:01 33.63 0.02 30.04 3.58 0.72 2721.99 29600.87 Average: 49.96 2.84 43.60 3.52 446.38 4666.73 23802.78 10:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:15 9678084 13359400 2599256 15.88 135140 3678148 2792540 16.03 864932 5453356 5156 10:30:01 8830296 13066228 2888480 17.64 157944 4170864 3200800 18.37 993688 6125764 109368 Average: 9254190 13212814 2743868 16.76 146542 3924506 2996670 17.20 929310 5789560 57262 10:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:15 lo 1367.17 1367.17 1295.41 1295.41 0.00 0.00 0.00 0.00 10:20:15 ens3 139.52 104.08 1336.44 19.94 0.00 0.00 0.00 0.00 10:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 lo 1489.48 1489.48 1418.61 1418.61 0.00 0.00 0.00 0.00 10:30:01 ens3 30.35 25.32 51.41 7.71 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1426.98 1426.98 1355.66 1355.66 0.00 0.00 0.00 0.00 Average: ens3 86.13 65.57 708.02 13.96 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-23769) 02/27/26 _x86_64_ (4 CPU) 10:08:30 LINUX RESTART (4 CPU) 10:10:01 CPU %user %nice %system %iowait %steal %idle 10:20:15 all 60.35 0.00 2.58 0.35 0.09 36.63 10:20:15 0 56.74 0.00 2.42 0.18 0.10 40.56 10:20:15 1 61.19 0.00 2.16 0.19 0.09 36.38 10:20:15 2 61.58 0.00 3.13 0.44 0.09 34.76 10:20:15 3 61.88 0.00 2.62 0.59 0.10 34.80 10:30:01 all 65.13 0.00 2.58 0.09 0.09 32.11 10:30:01 0 65.16 0.00 2.66 0.05 0.09 32.04 10:30:01 1 66.77 0.00 2.58 0.09 0.09 30.46 10:30:01 2 62.94 0.00 2.26 0.11 0.09 34.60 10:30:01 3 65.66 0.00 2.82 0.10 0.08 31.34 Average: all 62.69 0.00 2.58 0.22 0.09 34.42 Average: 0 60.85 0.00 2.54 0.12 0.09 36.40 Average: 1 63.92 0.00 2.36 0.14 0.09 33.49 Average: 2 62.25 0.00 2.70 0.28 0.09 34.68 Average: 3 63.73 0.00 2.72 0.35 0.09 33.11