---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-471113 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 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 659 10320 4 5009 14987 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:52:ae:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84624sec preferred_lft 84624sec inet6 fe80::f816:3eff:fe52:ae4e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:65:36:9e:1d:6c 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-471113) 03/14/26 _x86_64_ (4 CPU) 10:57:49 LINUX RESTART (4 CPU) 11:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:06 14.26 2.33 11.13 0.80 527.08 2779.31 106.11 11:20:06 24.90 0.81 21.34 2.74 28.40 3549.51 3965.33 Average: 19.58 1.57 16.24 1.77 277.74 3164.41 2035.72 11:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:06 10746632 14084216 1876480 11.46 127848 3346376 2271896 13.04 665320 4591592 24956 11:20:06 8596560 12980224 2971620 18.15 176272 4257228 3384664 19.43 917404 6382976 83784 Average: 9671596 13532220 2424050 14.81 152060 3801802 2828280 16.23 791362 5487284 54370 11:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:06 lo 0.79 0.79 0.08 0.08 0.00 0.00 0.00 0.00 11:10:06 ens3 96.11 78.32 794.26 15.91 0.00 0.00 0.00 0.00 11:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:06 lo 1159.37 1159.37 1104.87 1104.87 0.00 0.00 0.00 0.00 11:20:06 ens3 90.10 68.27 367.98 19.26 0.00 0.00 0.00 0.00 11:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 580.08 580.08 552.48 552.48 0.00 0.00 0.00 0.00 Average: ens3 93.10 73.29 581.12 17.59 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-471113) 03/14/26 _x86_64_ (4 CPU) 10:57:49 LINUX RESTART (4 CPU) 11:00:06 CPU %user %nice %system %iowait %steal %idle 11:10:06 all 40.62 0.00 1.37 0.07 0.07 57.86 11:10:06 0 39.90 0.00 1.14 0.05 0.06 58.85 11:10:06 1 39.17 0.00 1.41 0.11 0.07 59.24 11:10:06 2 41.11 0.00 1.65 0.09 0.07 57.09 11:10:06 3 42.32 0.00 1.29 0.05 0.10 56.25 11:20:06 all 69.93 0.00 2.64 0.05 0.11 27.27 11:20:06 0 68.49 0.00 2.47 0.03 0.10 28.91 11:20:06 1 70.43 0.00 2.94 0.06 0.11 26.47 11:20:06 2 69.41 0.00 2.47 0.06 0.10 27.95 11:20:06 3 71.38 0.00 2.69 0.05 0.11 25.76 Average: all 55.27 0.00 2.01 0.06 0.09 42.57 Average: 0 54.19 0.00 1.80 0.04 0.08 43.89 Average: 1 54.81 0.00 2.17 0.08 0.09 42.85 Average: 2 55.25 0.00 2.06 0.07 0.09 42.53 Average: 3 56.85 0.00 1.99 0.05 0.10 41.01