---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7935 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 5600.00 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 67G 15% / 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 721 9609 4 5657 14925 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:27:76:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.191/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84441sec preferred_lft 84441sec inet6 fe80::f816:3eff:fe27:76dd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:ec:cc:94:04:b9 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-7935) 04/25/26 _x86_64_ (4 CPU) 06:28:18 LINUX RESTART (4 CPU) 06:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:08 32.63 2.85 15.57 14.21 353.48 4665.64 240833.68 06:50:10 38.72 0.06 34.76 3.90 1.74 3747.97 19628.05 07:00:00 24.14 0.30 21.13 2.71 11.99 5716.37 100404.47 Average: 31.88 1.08 23.84 6.96 122.92 4703.69 120318.39 06:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:08 9260332 12900124 3057716 18.68 144924 3597552 3445004 19.77 706620 5997680 72520 06:50:10 8474868 12915928 3035432 18.54 179488 4305312 3317892 19.04 913624 6514204 191276 07:00:00 9902616 15334652 611340 3.73 200488 5215088 1091476 6.27 976676 4922676 2344 Average: 9212605 13716901 2234829 13.65 174967 4372651 2618124 15.03 865640 5811520 88713 06:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:08 lo 296.20 296.20 281.90 281.90 0.00 0.00 0.00 0.00 06:40:08 ens3 99.06 74.07 828.59 14.37 0.00 0.00 0.00 0.00 06:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:10 lo 1920.11 1920.11 1830.82 1830.82 0.00 0.00 0.00 0.00 06:50:10 ens3 58.18 44.53 187.62 13.22 0.00 0.00 0.00 0.00 06:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:00 lo 12.23 12.23 2.82 2.82 0.00 0.00 0.00 0.00 07:00:00 ens3 92.18 82.61 125.75 234.46 0.00 0.00 0.00 0.00 07:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 747.80 747.80 709.94 709.94 0.00 0.00 0.00 0.00 Average: ens3 83.07 66.96 381.91 86.48 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-7935) 04/25/26 _x86_64_ (4 CPU) 06:28:18 LINUX RESTART (4 CPU) 06:30:09 CPU %user %nice %system %iowait %steal %idle 06:40:08 all 41.31 0.00 1.32 0.11 0.06 57.21 06:40:08 0 42.82 0.00 1.16 0.09 0.05 55.87 06:40:08 1 40.34 0.00 1.47 0.11 0.05 58.02 06:40:08 2 41.20 0.00 1.47 0.09 0.06 57.18 06:40:08 3 40.85 0.00 1.18 0.16 0.06 57.75 06:50:10 all 63.48 0.00 2.69 0.08 0.09 33.67 06:50:10 0 63.64 0.00 2.55 0.05 0.09 33.68 06:50:10 1 63.51 0.00 2.89 0.14 0.09 33.37 06:50:10 2 63.31 0.00 2.88 0.06 0.09 33.66 06:50:10 3 63.45 0.00 2.44 0.07 0.09 33.95 07:00:00 all 45.72 0.00 1.57 0.50 0.08 52.14 07:00:00 0 39.05 0.00 1.36 0.52 0.08 58.99 07:00:00 1 47.44 0.00 1.54 0.45 0.08 50.48 07:00:00 2 45.32 0.00 1.82 0.49 0.08 52.29 07:00:00 3 51.05 0.00 1.56 0.52 0.09 46.78 Average: all 50.19 0.00 1.86 0.23 0.08 47.65 Average: 0 48.55 0.00 1.69 0.22 0.07 49.46 Average: 1 50.45 0.00 1.97 0.23 0.07 47.27 Average: 2 49.96 0.00 2.06 0.21 0.08 47.70 Average: 3 51.78 0.00 1.73 0.25 0.08 46.16