---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38109 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 13G 65G 17% / 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 642 7762 4 7584 15004 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:ac:55:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84271sec preferred_lft 84271sec inet6 fe80::f816:3eff:feac:5586/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:91:86:6e:ee:cd 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-38109) 07/23/26 _x86_64_ (4 CPU) 12:39:32 LINUX RESTART (4 CPU) 12:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:01 8.34 5.86 2.45 0.03 1134.62 571.08 958.87 13:00:19 1.29 0.00 1.28 0.00 0.04 14.21 0.00 13:10:19 51.00 2.42 43.71 4.86 123.07 21660.41 5833.92 Average: 20.01 2.74 15.66 1.61 415.16 7338.00 2240.84 12:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:01 13779284 15529272 489920 2.99 53780 1923140 1139148 6.54 193212 2139852 136 13:00:19 13778344 15528708 490524 3.00 54120 1923152 1139308 6.54 193556 2142220 16 13:10:19 7164592 14293756 1655544 10.11 155340 7002212 2105404 12.08 1162444 7551596 310252 Average: 11574073 15117245 878663 5.37 87747 3616168 1461287 8.39 516404 3944556 103468 12:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 12:50:01 ens3 13.53 8.94 35.99 1.97 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:19 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:00:19 ens3 0.37 0.16 0.10 0.06 0.00 0.00 0.00 0.00 13:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:19 lo 0.46 0.46 0.04 0.04 0.00 0.00 0.00 0.00 13:10:19 ens3 202.99 158.11 1127.52 36.28 0.00 0.00 0.00 0.00 13:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.22 0.22 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 71.55 55.15 383.82 12.64 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-38109) 07/23/26 _x86_64_ (4 CPU) 12:39:32 LINUX RESTART (4 CPU) 12:40:00 CPU %user %nice %system %iowait %steal %idle 12:50:01 all 0.46 0.00 0.09 1.16 1.09 97.20 12:50:01 0 0.26 0.00 0.09 3.84 0.85 94.96 12:50:01 1 0.83 0.00 0.08 0.21 1.43 97.45 12:50:01 2 0.42 0.00 0.11 0.52 1.04 97.91 12:50:01 3 0.34 0.00 0.08 0.10 1.01 98.47 13:00:19 all 0.17 0.00 0.03 0.02 0.30 99.48 13:00:19 0 0.01 0.00 0.02 0.01 0.11 99.85 13:00:19 1 0.47 0.00 0.02 0.01 0.41 99.09 13:00:19 2 0.15 0.00 0.04 0.04 0.32 99.45 13:00:19 3 0.04 0.00 0.03 0.00 0.37 99.55 13:10:19 all 19.35 0.00 1.35 1.23 0.07 78.00 13:10:19 0 19.88 0.00 1.10 0.83 0.11 78.09 13:10:19 1 16.54 0.00 1.31 1.07 0.06 81.02 13:10:19 2 19.96 0.00 1.87 1.77 0.06 76.34 13:10:19 3 21.03 0.00 1.11 1.26 0.06 76.54 Average: all 6.56 0.00 0.48 0.80 0.49 91.68 Average: 0 6.62 0.00 0.40 1.55 0.35 91.08 Average: 1 5.85 0.00 0.46 0.42 0.64 92.63 Average: 2 6.75 0.00 0.66 0.77 0.47 91.34 Average: 3 7.02 0.00 0.40 0.44 0.48 91.65