---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15104 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 11G 67G 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 624 10297 4 5066 15021 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:0e:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.189/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84874sec preferred_lft 84874sec inet6 fe80::f816:3eff:feac:e14/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:74:ae:0a:60:c7 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-15104) 02/19/26 _x86_64_ (4 CPU) 08:15:09 LINUX RESTART (4 CPU) 08:20:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:06 20.86 0.64 6.28 13.93 621.37 1272.96 254974.79 08:40:10 24.28 0.62 21.48 2.18 30.43 4705.24 16614.56 Average: 22.58 0.63 13.93 8.02 323.89 3000.80 134982.33 08:20:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:06 9527816 12829428 3132644 19.13 117980 3341016 3343728 19.19 707828 5783200 1740 08:40:10 10531716 15363660 592212 3.62 141736 4789284 1119044 6.42 1083532 4351280 421992 Average: 10029766 14096544 1862428 11.37 129858 4065150 2231386 12.81 895680 5067240 211866 08:20:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:06 lo 0.65 0.65 0.39 0.39 0.00 0.00 0.00 0.00 08:30:06 ens3 23.46 15.11 223.81 2.84 0.00 0.00 0.00 0.00 08:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:10 lo 446.89 446.89 424.96 424.96 0.00 0.00 0.00 0.00 08:40:10 ens3 48.39 35.98 481.80 17.54 0.00 0.00 0.00 0.00 08:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 225.29 225.29 214.12 214.12 0.00 0.00 0.00 0.00 Average: ens3 36.01 25.62 353.68 10.24 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-15104) 02/19/26 _x86_64_ (4 CPU) 08:15:09 LINUX RESTART (4 CPU) 08:20:10 CPU %user %nice %system %iowait %steal %idle 08:30:06 all 48.51 0.00 0.80 0.11 0.08 50.50 08:30:06 0 45.47 0.00 0.73 0.10 0.08 53.62 08:30:06 1 46.31 0.00 0.79 0.09 0.08 52.74 08:30:06 2 46.93 0.00 0.86 0.06 0.08 52.06 08:30:06 3 55.34 0.00 0.81 0.20 0.09 43.56 08:40:10 all 50.04 0.00 1.44 0.19 0.08 48.24 08:40:10 0 39.90 0.00 1.22 0.18 0.08 58.62 08:40:10 1 44.62 0.00 1.49 0.10 0.08 53.71 08:40:10 2 54.10 0.00 1.63 0.24 0.09 43.94 08:40:10 3 61.61 0.00 1.43 0.23 0.09 36.64 Average: all 49.28 0.00 1.12 0.15 0.08 49.36 Average: 0 42.66 0.00 0.98 0.14 0.08 56.14 Average: 1 45.46 0.00 1.14 0.09 0.08 53.23 Average: 2 50.54 0.00 1.25 0.15 0.09 47.98 Average: 3 58.49 0.00 1.12 0.21 0.09 40.08