---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-29473 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 17G 61G 22% / 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 693 12191 3 3104 14952 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:06:ef:3a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84970sec preferred_lft 84970sec inet6 fe80::f816:3eff:fe06:ef3a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:76:1b:61:4a:02 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 inet6 fe80::7876:1bff:fe61:4a02/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-29473) 06/22/26 _x86_64_ (4 CPU) 09:06:58 LINUX RESTART (4 CPU) 09:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:10 100.95 3.92 92.51 4.51 472.34 34172.62 11015.37 09:30:10 23.34 4.88 17.29 1.17 207.29 487.59 557.46 Average: 62.38 4.40 55.14 2.85 340.65 17435.85 5819.24 09:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:10 166952 8057204 7861056 48.01 263436 7395380 10388624 59.63 2154116 13251772 2272 09:30:10 12529028 15326352 613804 3.75 261336 2553416 1301208 7.47 1998472 1310544 12204 Average: 6347990 11691778 4237430 25.88 262386 4974398 5844916 33.55 2076294 7281158 7238 09:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:10 lo 3.82 3.82 4.14 4.14 0.00 0.00 0.00 0.00 09:20:10 ens3 84.70 59.54 1155.35 6.37 0.00 0.00 0.00 0.00 09:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:10 lo 29.20 29.20 14.92 14.92 0.00 0.00 0.00 0.00 09:30:10 ens3 3.30 3.06 1.83 2.17 0.00 0.00 0.00 0.00 09:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 16.43 16.43 9.49 9.49 0.00 0.00 0.00 0.00 Average: ens3 44.26 31.48 582.21 4.28 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-16g-29473) 06/22/26 _x86_64_ (4 CPU) 09:06:58 LINUX RESTART (4 CPU) 09:10:01 CPU %user %nice %system %iowait %steal %idle 09:20:10 all 43.40 0.00 2.24 8.18 0.10 46.09 09:20:10 0 43.47 0.00 2.26 4.39 0.09 49.78 09:20:10 1 42.12 0.00 2.25 4.76 0.10 50.77 09:20:10 2 45.42 0.00 2.04 10.53 0.09 41.92 09:20:10 3 42.58 0.00 2.40 13.04 0.10 41.89 09:30:10 all 34.13 0.00 1.60 2.81 0.13 61.34 09:30:10 0 33.03 0.00 1.61 0.84 0.13 64.39 09:30:10 1 32.29 0.00 1.59 0.76 0.16 65.20 09:30:10 2 35.71 0.00 1.58 5.36 0.13 57.22 09:30:10 3 35.47 0.00 1.61 4.26 0.12 58.54 Average: all 38.81 0.00 1.92 5.52 0.11 53.63 Average: 0 38.32 0.00 1.94 2.64 0.11 57.00 Average: 1 37.25 0.00 1.92 2.78 0.13 57.91 Average: 2 40.63 0.00 1.81 7.98 0.11 49.47 Average: 3 39.05 0.00 2.01 8.68 0.11 50.16