---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9486 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 12G 67G 15% / 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 9381 4 5933 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:31:ae:da brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.152/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84347sec preferred_lft 84347sec inet6 fe80::f816:3eff:fe31:aeda/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:5e:32:0c:3e:f7 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-9486) 02/11/26 _x86_64_ (4 CPU) 11:30:40 LINUX RESTART (4 CPU) 11:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:00 8.37 0.01 7.20 1.16 0.16 684.57 19094.51 12:00:00 37.71 0.42 32.39 4.90 15.66 8231.69 26332.77 Average: 23.06 0.22 19.81 3.03 7.92 4462.35 22717.69 11:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:00 9530044 13066384 2892004 17.66 131192 3528120 3170144 18.20 812096 5642836 2148 12:00:00 9678648 15395288 552460 3.37 169364 5568704 1105548 6.35 1703916 4479448 1528 Average: 9604346 14230836 1722232 10.52 150278 4548412 2137846 12.27 1258006 5061142 1838 11:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:00 lo 55.22 55.22 14.42 14.42 0.00 0.00 0.00 0.00 11:50:00 ens3 5.50 4.49 3.92 1.25 0.00 0.00 0.00 0.00 11:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:00 lo 2275.30 2275.30 2188.53 2188.53 0.00 0.00 0.00 0.00 12:00:00 ens3 64.71 53.01 463.28 36.01 0.00 0.00 0.00 0.00 12:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1166.50 1166.50 1102.69 1102.69 0.00 0.00 0.00 0.00 Average: ens3 35.13 28.78 233.86 18.65 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-9486) 02/11/26 _x86_64_ (4 CPU) 11:30:40 LINUX RESTART (4 CPU) 11:40:01 CPU %user %nice %system %iowait %steal %idle 11:50:00 all 15.89 0.00 0.79 0.06 0.07 83.18 11:50:00 0 15.55 0.00 0.81 0.06 0.08 83.51 11:50:00 1 15.78 0.00 0.77 0.03 0.07 83.35 11:50:00 2 15.97 0.00 0.79 0.02 0.07 83.14 11:50:00 3 16.26 0.00 0.78 0.15 0.07 82.73 12:00:00 all 49.84 0.00 2.61 0.26 0.09 47.20 12:00:00 0 50.18 0.00 2.44 0.49 0.09 46.80 12:00:00 1 50.92 0.00 2.93 0.12 0.09 45.94 12:00:00 2 50.35 0.00 2.37 0.22 0.09 46.98 12:00:00 3 47.90 0.00 2.72 0.21 0.09 49.08 Average: all 32.87 0.00 1.70 0.16 0.08 65.18 Average: 0 32.87 0.00 1.63 0.27 0.08 65.15 Average: 1 33.37 0.00 1.85 0.08 0.08 64.62 Average: 2 33.18 0.00 1.58 0.12 0.08 65.04 Average: 3 32.07 0.00 1.75 0.18 0.08 65.91