---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-924 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 654 8585 4 6749 14991 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:08:c7:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.211/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84336sec preferred_lft 84336sec inet6 fe80::f816:3eff:fe08:c73f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:77:f1:4d:1d:18 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-924) 04/07/26 _x86_64_ (4 CPU) 09:49:22 LINUX RESTART (4 CPU) 09:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:08 74.10 5.33 64.95 3.83 490.84 7409.91 31232.04 10:10:11 28.07 0.02 25.25 2.80 0.86 2401.27 31988.59 10:20:11 11.97 0.04 10.89 1.04 0.72 3552.06 51719.43 Average: 38.18 1.80 33.81 2.56 165.20 4462.84 38270.75 09:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:08 9973040 13619396 2337400 14.28 138476 3637648 2452860 14.08 750164 5239548 18648 10:10:11 8768048 12841620 3111816 19.01 158132 4010204 3491340 20.04 866080 6297976 20296 10:20:11 6670040 12789604 3157272 19.28 169432 5975480 3207916 18.41 1548468 7642708 1176768 Average: 8470376 13083540 2868829 17.52 155347 4541111 3050705 17.51 1054904 6393411 405237 09:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:08 lo 1491.07 1491.07 1415.21 1415.21 0.00 0.00 0.00 0.00 10:00:08 ens3 135.13 101.35 1338.41 18.98 0.00 0.00 0.00 0.00 10:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:11 lo 1171.93 1171.93 1116.42 1116.42 0.00 0.00 0.00 0.00 10:10:11 ens3 23.94 20.61 41.72 6.40 0.00 0.00 0.00 0.00 10:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:11 lo 2754.91 2754.91 9585.29 9585.29 0.00 0.00 0.00 0.00 10:20:11 ens3 23.29 19.26 98.56 5.35 0.00 0.00 0.00 0.00 10:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1803.37 1803.37 4022.03 4022.03 0.00 0.00 0.00 0.00 Average: ens3 61.03 47.25 495.58 10.27 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-924) 04/07/26 _x86_64_ (4 CPU) 09:49:22 LINUX RESTART (4 CPU) 09:50:00 CPU %user %nice %system %iowait %steal %idle 10:00:08 all 62.29 0.00 2.80 0.47 0.12 34.33 10:00:08 0 61.35 0.00 3.03 0.83 0.12 34.67 10:00:08 1 63.57 0.00 2.84 0.30 0.12 33.17 10:00:08 2 60.46 0.00 2.63 0.37 0.12 36.42 10:00:08 3 63.78 0.00 2.69 0.38 0.12 33.03 10:10:11 all 65.42 0.00 2.33 0.08 0.11 32.06 10:10:11 0 65.19 0.00 2.36 0.07 0.11 32.27 10:10:11 1 66.37 0.00 2.26 0.08 0.11 31.17 10:10:11 2 65.58 0.00 2.36 0.09 0.12 31.86 10:10:11 3 64.54 0.00 2.35 0.07 0.11 32.93 10:20:11 all 43.36 0.00 1.68 0.80 0.09 54.07 10:20:11 0 39.20 0.00 1.90 0.54 0.09 58.27 10:20:11 1 49.79 0.00 1.53 0.17 0.10 48.42 10:20:11 2 41.02 0.00 1.51 1.29 0.09 56.09 10:20:11 3 43.43 0.00 1.78 1.22 0.09 53.48 Average: all 57.04 0.00 2.27 0.45 0.11 40.13 Average: 0 55.27 0.00 2.43 0.48 0.11 41.71 Average: 1 59.93 0.00 2.21 0.18 0.11 37.56 Average: 2 55.70 0.00 2.17 0.58 0.11 41.44 Average: 3 57.28 0.00 2.27 0.56 0.11 39.79