---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10244 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 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 649 10207 4 5131 14996 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:e3:4a:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84856sec preferred_lft 84856sec inet6 fe80::f816:3eff:fee3:4a39/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:1f:90:09:da:17 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-10244) 02/13/26 _x86_64_ (4 CPU) 17:15:01 LINUX RESTART (4 CPU) 17:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:30:05 17.67 1.05 14.96 1.67 621.52 3557.31 18753.63 17:40:05 27.02 0.59 22.44 3.99 21.77 3743.87 3983.91 Average: 22.33 0.82 18.69 2.82 322.59 3650.30 11392.02 17:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:30:05 9599528 13541404 2413528 14.74 153236 3876976 2686508 15.42 851864 5495988 20152 17:40:05 10411676 15307144 641384 3.92 177648 4745684 1159908 6.66 1113628 4335156 11448 Average: 10005602 14424274 1527456 9.33 165442 4311330 1923208 11.04 982746 4915572 15800 17:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:30:05 lo 1.46 1.46 0.16 0.16 0.00 0.00 0.00 0.00 17:30:05 ens3 92.56 67.81 406.59 18.14 0.00 0.00 0.00 0.00 17:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:05 lo 1534.33 1534.33 1451.17 1451.17 0.00 0.00 0.00 0.00 17:40:05 ens3 121.58 108.41 414.09 200.75 0.00 0.00 0.00 0.00 17:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 765.48 765.48 723.38 723.38 0.00 0.00 0.00 0.00 Average: ens3 107.02 88.05 410.33 109.16 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-10244) 02/13/26 _x86_64_ (4 CPU) 17:15:01 LINUX RESTART (4 CPU) 17:20:02 CPU %user %nice %system %iowait %steal %idle 17:30:05 all 73.38 0.00 2.40 0.06 0.09 24.07 17:30:05 0 75.14 0.00 2.32 0.02 0.09 22.42 17:30:05 1 71.73 0.00 2.23 0.05 0.09 25.89 17:30:05 2 74.08 0.00 2.51 0.05 0.09 23.27 17:30:05 3 72.57 0.00 2.54 0.10 0.09 24.69 17:40:05 all 46.16 0.00 2.09 0.07 0.07 51.60 17:40:05 0 45.99 0.00 2.08 0.04 0.07 51.81 17:40:05 1 47.13 0.00 2.04 0.08 0.07 50.68 17:40:05 2 49.00 0.00 2.27 0.10 0.08 48.56 17:40:05 3 42.50 0.00 1.99 0.08 0.08 55.36 Average: all 59.80 0.00 2.25 0.07 0.08 37.80 Average: 0 60.60 0.00 2.20 0.03 0.08 37.08 Average: 1 59.46 0.00 2.14 0.07 0.08 38.25 Average: 2 61.57 0.00 2.39 0.07 0.08 35.88 Average: 3 57.58 0.00 2.27 0.09 0.09 39.98