---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-491702 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 645 8874 4 6469 15001 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:b0:d3:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.69/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84295sec preferred_lft 84295sec inet6 fe80::f816:3eff:feb0:d389/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:82:80:bc:b2:84 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-491702) 03/16/26 _x86_64_ (4 CPU) 11:05:54 LINUX RESTART (4 CPU) 11:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:12 21.51 0.10 18.80 2.61 8.23 2149.20 3409.02 11:30:12 30.00 0.01 26.93 3.06 0.15 3108.31 13946.72 11:40:12 13.93 0.04 12.78 1.11 1.60 8550.14 3406.82 Average: 21.81 0.05 19.50 2.26 3.32 4602.58 6920.85 11:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:12 9331068 12879612 3079108 18.81 138056 3530324 3109456 17.85 689052 5971872 22284 11:30:12 8653164 12664876 3290572 20.10 159864 3941200 3337508 19.16 802680 6485648 54156 11:40:12 9039580 15310124 638464 3.90 172736 6115420 1146324 6.58 1610496 5203012 26332 Average: 9007937 13618204 2336048 14.27 156885 4528981 2531096 14.53 1034076 5886844 34257 11:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:12 lo 1547.16 1547.16 1468.68 1468.68 0.00 0.00 0.00 0.00 11:20:12 ens3 29.31 24.41 21.89 7.73 0.00 0.00 0.00 0.00 11:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:12 lo 1517.39 1517.39 1446.17 1446.17 0.00 0.00 0.00 0.00 11:30:12 ens3 20.17 17.79 38.29 5.41 0.00 0.00 0.00 0.00 11:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:12 lo 2448.60 2448.60 9290.23 9290.23 0.00 0.00 0.00 0.00 11:40:12 ens3 33.14 28.33 103.35 32.68 0.00 0.00 0.00 0.00 11:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1837.72 1837.72 4068.40 4068.40 0.00 0.00 0.00 0.00 Average: ens3 27.54 23.51 54.51 15.27 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-491702) 03/16/26 _x86_64_ (4 CPU) 11:05:54 LINUX RESTART (4 CPU) 11:10:12 CPU %user %nice %system %iowait %steal %idle 11:20:12 all 65.52 0.00 2.31 2.34 0.13 29.70 11:20:12 0 65.87 0.00 2.38 2.10 0.12 29.53 11:20:12 1 64.91 0.00 2.34 2.77 0.13 29.85 11:20:12 2 66.33 0.00 2.23 0.49 0.13 30.82 11:20:12 3 64.96 0.00 2.29 4.01 0.13 28.61 11:30:12 all 55.70 0.00 2.46 4.22 0.13 37.49 11:30:12 0 56.49 0.00 2.36 3.82 0.13 37.20 11:30:12 1 53.30 0.00 2.52 4.65 0.13 39.39 11:30:12 2 55.67 0.00 2.41 3.18 0.13 38.60 11:30:12 3 57.35 0.00 2.54 5.23 0.13 34.76 11:40:12 all 36.95 0.00 1.43 2.91 0.10 58.60 11:40:12 0 34.37 0.00 1.00 4.79 0.11 59.73 11:40:12 1 37.07 0.00 1.23 3.59 0.10 58.01 11:40:12 2 38.78 0.00 1.43 1.44 0.10 58.25 11:40:12 3 37.60 0.00 2.05 1.83 0.10 58.41 Average: all 52.71 0.00 2.06 3.16 0.12 41.95 Average: 0 52.22 0.00 1.91 3.57 0.12 42.18 Average: 1 51.76 0.00 2.03 3.67 0.12 42.42 Average: 2 53.58 0.00 2.02 1.70 0.12 42.58 Average: 3 53.29 0.00 2.29 3.69 0.12 40.61