---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6984 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: 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 11G 68G 14% / 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 658 10476 4 4854 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:c6:6a:17 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.207/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83991sec preferred_lft 83991sec inet6 fe80::f816:3eff:fec6:6a17/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:b5:25:20:f4:ce 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-6984) 04/23/26 _x86_64_ (4 CPU) 08:05:49 LINUX RESTART (4 CPU) 08:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:12 3.22 0.25 2.81 0.16 208.01 296.52 16.69 08:30:08 12.52 1.93 9.85 0.74 124.86 2717.08 564.04 08:40:12 27.07 0.76 22.98 3.32 27.76 4207.31 10903.48 Average: 14.31 0.98 11.91 1.42 119.98 2410.48 3852.43 08:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:12 13003728 15509192 468384 2.86 98392 2599188 979796 5.62 397868 2647888 168 08:30:08 10820196 14178076 1782080 10.88 131404 3355652 2404372 13.80 611460 4563932 30216 08:40:12 8367004 12862980 3088468 18.86 172956 4369280 3643932 20.92 924888 6615108 12180 Average: 10730309 14183416 1779644 10.87 134251 3441373 2342700 13.45 644739 4608976 14188 08:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:12 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 08:20:12 ens3 11.34 7.72 135.96 1.28 0.00 0.00 0.00 0.00 08:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:08 lo 1.07 1.07 0.11 0.11 0.00 0.00 0.00 0.00 08:30:08 ens3 90.98 73.77 607.09 17.89 0.00 0.00 0.00 0.00 08:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:12 lo 1497.93 1497.93 1427.92 1427.92 0.00 0.00 0.00 0.00 08:40:12 ens3 93.83 68.39 423.85 18.55 0.00 0.00 0.00 0.00 08:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 503.23 503.23 479.38 479.38 0.00 0.00 0.00 0.00 Average: ens3 65.39 49.95 388.53 12.57 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-6984) 04/23/26 _x86_64_ (4 CPU) 08:05:49 LINUX RESTART (4 CPU) 08:10:12 CPU %user %nice %system %iowait %steal %idle 08:20:12 all 0.17 0.00 0.07 0.04 0.01 99.70 08:20:12 0 0.10 0.00 0.07 0.03 0.01 99.79 08:20:12 1 0.19 0.00 0.06 0.02 0.02 99.72 08:20:12 2 0.22 0.00 0.09 0.02 0.02 99.65 08:20:12 3 0.18 0.00 0.06 0.11 0.01 99.64 08:30:08 all 51.96 0.00 1.75 0.04 0.09 46.17 08:30:08 0 54.01 0.00 1.77 0.01 0.08 44.13 08:30:08 1 50.65 0.00 1.67 0.04 0.09 47.56 08:30:08 2 51.89 0.00 1.86 0.04 0.09 46.12 08:30:08 3 51.28 0.00 1.71 0.06 0.09 46.86 08:40:12 all 68.56 0.00 2.76 0.06 0.10 28.52 08:40:12 0 67.32 0.00 2.70 0.05 0.11 29.82 08:40:12 1 68.17 0.00 2.58 0.04 0.10 29.10 08:40:12 2 69.25 0.00 2.64 0.08 0.11 27.93 08:40:12 3 69.52 0.00 3.11 0.07 0.10 27.21 Average: all 40.24 0.00 1.53 0.05 0.07 58.11 Average: 0 40.48 0.00 1.51 0.03 0.06 57.91 Average: 1 39.68 0.00 1.44 0.03 0.07 58.78 Average: 2 40.49 0.00 1.53 0.05 0.07 57.86 Average: 3 40.34 0.00 1.63 0.08 0.07 57.89