---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53109 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 13G 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 657 8439 4 6892 14988 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:83:27:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.175/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84214sec preferred_lft 84214sec inet6 fe80::f816:3eff:fe83:2759/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:b9:90:7d:e2:b1 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-53109) 03/26/26 _x86_64_ (4 CPU) 08:47:56 LINUX RESTART (4 CPU) 08:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:00 35.71 3.30 28.49 3.91 556.59 4809.97 22314.91 09:10:19 28.56 0.01 25.58 2.97 0.21 2346.81 9709.15 09:20:29 16.95 0.31 14.76 1.88 11.76 8814.68 3924.82 Average: 26.94 1.17 22.87 2.90 182.73 5316.61 11807.68 08:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:00 9684396 13515256 2441108 14.91 146268 3804548 2566680 14.73 842396 5459320 35692 09:10:19 9041976 13315416 2637484 16.11 169464 4189564 2737152 15.71 967516 5929524 41660 09:20:29 8689044 15385280 559988 3.42 187848 6513868 1109060 6.37 1803168 5341440 692 Average: 9138472 14071984 1879527 11.48 167860 4835993 2137631 12.27 1204360 5576761 26015 08:50:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:00 lo 1632.78 1632.78 1549.83 1549.83 0.00 0.00 0.00 0.00 09:00:00 ens3 127.44 89.69 1032.54 19.16 0.00 0.00 0.00 0.00 09:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:19 lo 1263.78 1263.78 1203.97 1203.97 0.00 0.00 0.00 0.00 09:10:19 ens3 37.71 30.11 43.92 10.61 0.00 0.00 0.00 0.00 09:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:29 lo 461.11 461.11 6944.68 6944.68 0.00 0.00 0.00 0.00 09:20:29 ens3 46.09 47.53 136.40 352.98 0.00 0.00 0.00 0.00 09:20:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1111.84 1111.84 3249.01 3249.01 0.00 0.00 0.00 0.00 Average: ens3 69.34 55.11 392.48 128.70 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-53109) 03/26/26 _x86_64_ (4 CPU) 08:47:56 LINUX RESTART (4 CPU) 08:50:19 CPU %user %nice %system %iowait %steal %idle 09:00:00 all 70.01 0.00 2.92 1.24 0.12 25.70 09:00:00 0 67.07 0.00 2.45 0.86 0.12 29.50 09:00:00 1 71.17 0.00 2.96 1.62 0.12 24.12 09:00:00 2 70.55 0.00 3.05 0.78 0.12 25.49 09:00:00 3 71.27 0.00 3.22 1.71 0.13 23.67 09:10:19 all 66.24 0.00 2.42 0.06 0.12 31.15 09:10:19 0 65.93 0.00 2.22 0.03 0.12 31.69 09:10:19 1 66.07 0.00 2.67 0.08 0.13 31.06 09:10:19 2 67.92 0.00 2.55 0.06 0.12 29.34 09:10:19 3 65.03 0.00 2.25 0.06 0.13 32.53 09:20:29 all 36.63 0.00 1.35 4.46 0.12 57.45 09:20:29 0 39.78 0.00 1.12 3.77 0.12 55.22 09:20:29 1 34.84 0.00 2.07 6.17 0.12 56.81 09:20:29 2 36.26 0.00 1.13 5.97 0.12 56.53 09:20:29 3 35.64 0.00 1.09 1.91 0.12 61.24 Average: all 57.46 0.00 2.22 1.92 0.12 38.27 Average: 0 57.47 0.00 1.93 1.56 0.12 38.93 Average: 1 57.17 0.00 2.56 2.63 0.12 37.52 Average: 2 58.08 0.00 2.23 2.28 0.12 37.28 Average: 3 57.12 0.00 2.17 1.22 0.12 39.37