---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7650 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: 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 12G 66G 16% / 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 673 8771 4 6544 14973 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:e3:9f:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.11/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84603sec preferred_lft 84603sec inet6 fe80::f816:3eff:fee3:9ff4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:2e:43:15:8d:04 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-7650) 02/04/26 _x86_64_ (4 CPU) 11:33:22 LINUX RESTART (4 CPU) 11:40:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:01 26.98 0.02 23.93 3.03 0.31 2124.11 8179.38 12:00:23 21.66 0.02 19.54 2.10 0.45 3978.63 7388.05 Average: 24.24 0.02 21.67 2.55 0.38 3079.31 7771.79 11:40:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:01 9390328 13221448 2734612 16.70 144836 3800764 2846084 16.34 836736 5753196 105676 12:00:23 5679412 10396672 5555660 33.93 157432 4635432 5334000 30.62 1117796 9131096 332 Average: 7534870 11809060 4145136 25.32 151134 4218098 4090042 23.48 977266 7442146 53004 11:40:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:01 lo 1582.54 1582.54 1502.31 1502.31 0.00 0.00 0.00 0.00 11:50:01 ens3 24.05 20.54 10.78 6.45 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:23 lo 823.16 823.16 5048.08 5048.08 0.00 0.00 0.00 0.00 12:00:23 ens3 22.11 18.24 23.57 5.82 0.00 0.00 0.00 0.00 12:00:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1191.41 1191.41 3328.62 3328.62 0.00 0.00 0.00 0.00 Average: ens3 23.05 19.36 17.37 6.12 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-7650) 02/04/26 _x86_64_ (4 CPU) 11:33:22 LINUX RESTART (4 CPU) 11:40:15 CPU %user %nice %system %iowait %steal %idle 11:50:01 all 67.41 0.00 2.40 0.07 0.11 30.01 11:50:01 0 67.32 0.00 2.38 0.04 0.11 30.15 11:50:01 1 66.36 0.00 2.13 0.14 0.11 31.26 11:50:01 2 67.60 0.00 2.35 0.06 0.11 29.88 11:50:01 3 68.36 0.00 2.74 0.05 0.11 28.74 12:00:23 all 52.88 0.00 1.87 0.11 0.10 45.04 12:00:23 0 52.08 0.00 1.85 0.06 0.10 45.90 12:00:23 1 58.89 0.00 1.91 0.12 0.10 38.96 12:00:23 2 48.89 0.00 2.01 0.19 0.11 48.80 12:00:23 3 51.66 0.00 1.72 0.06 0.10 46.47 Average: all 59.92 0.00 2.13 0.09 0.11 37.76 Average: 0 59.47 0.00 2.11 0.05 0.11 38.27 Average: 1 62.51 0.00 2.02 0.13 0.11 35.23 Average: 2 57.95 0.00 2.17 0.13 0.11 39.65 Average: 3 59.75 0.00 2.21 0.05 0.10 37.88