---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35194 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 674 8193 4 7121 14972 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:a7:eb:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83954sec preferred_lft 83954sec inet6 fe80::f816:3eff:fea7:ebfa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:79:16:d1:92:2e 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-35194) 07/12/26 _x86_64_ (4 CPU) 19:02:39 LINUX RESTART (4 CPU) 19:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:13 19.83 0.07 17.52 2.25 6.52 2072.31 11604.07 19:30:13 33.48 0.02 30.18 3.27 0.43 4501.44 27516.55 19:40:13 10.23 0.15 8.86 1.23 9.57 6238.57 1621.53 Average: 21.18 0.08 18.85 2.25 5.51 4265.04 13575.72 19:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:13 8975840 12910452 3045364 18.60 148532 3884308 3203696 18.39 760476 6216856 102140 19:30:13 7534356 12394456 3556604 21.72 170448 4747280 3551592 20.39 1038904 7319136 1540 19:40:13 8450052 15382408 562656 3.44 186980 6735964 1097348 6.30 1788444 5591568 345944 Average: 8320083 13562439 2388208 14.59 168653 5122517 2617545 15.02 1195941 6375853 149875 19:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:13 lo 1105.18 1105.18 1046.92 1046.92 0.00 0.00 0.00 0.00 19:20:13 ens3 41.58 33.39 43.03 10.59 0.00 0.00 0.00 0.00 19:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:13 lo 1360.99 1360.99 1294.87 1294.87 0.00 0.00 0.00 0.00 19:30:13 ens3 45.90 34.98 26.05 12.41 0.00 0.00 0.00 0.00 19:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:13 lo 2555.75 2555.75 9290.24 9290.24 0.00 0.00 0.00 0.00 19:40:13 ens3 22.23 20.12 126.89 8.92 0.00 0.00 0.00 0.00 19:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1672.49 1672.49 3869.93 3869.93 0.00 0.00 0.00 0.00 Average: ens3 36.58 29.50 65.26 10.64 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-35194) 07/12/26 _x86_64_ (4 CPU) 19:02:39 LINUX RESTART (4 CPU) 19:10:08 CPU %user %nice %system %iowait %steal %idle 19:20:13 all 64.70 0.00 2.15 0.04 0.11 33.00 19:20:13 0 64.04 0.00 2.25 0.05 0.11 33.54 19:20:13 1 65.35 0.00 2.38 0.05 0.11 32.12 19:20:13 2 63.79 0.00 1.91 0.06 0.11 34.13 19:20:13 3 65.63 0.00 2.05 0.02 0.11 32.19 19:30:13 all 59.97 0.00 2.49 0.14 0.13 37.27 19:30:13 0 58.73 0.00 2.48 0.30 0.11 38.37 19:30:13 1 60.74 0.00 2.54 0.12 0.11 36.48 19:30:13 2 61.53 0.00 2.78 0.08 0.11 35.49 19:30:13 3 58.88 0.00 2.16 0.05 0.16 38.74 19:40:13 all 32.33 0.00 1.31 0.20 0.07 66.10 19:40:13 0 37.32 0.00 1.36 0.16 0.08 61.09 19:40:13 1 31.02 0.00 1.13 0.48 0.07 67.31 19:40:13 2 27.72 0.00 1.70 0.11 0.07 70.40 19:40:13 3 33.25 0.00 1.05 0.03 0.07 65.60 Average: all 52.35 0.00 1.98 0.13 0.10 45.43 Average: 0 53.38 0.00 2.03 0.17 0.10 44.32 Average: 1 52.39 0.00 2.02 0.21 0.10 45.28 Average: 2 51.03 0.00 2.13 0.09 0.10 46.65 Average: 3 52.62 0.00 1.75 0.03 0.12 45.48