---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-19307 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 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 692 11581 3 3715 14954 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:8d:6c:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.190/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83655sec preferred_lft 83655sec inet6 fe80::f816:3eff:fe8d:6c5a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:00:c5:e9:c5:93 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-16g-19307) 02/20/26 _x86_64_ (4 CPU) 12:23:19 LINUX RESTART (4 CPU) 12:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:40:01 77.20 24.20 49.76 3.24 370.15 5506.32 2939.80 12:50:20 12.85 0.08 12.09 0.68 4.15 365.37 385.89 13:00:09 8.17 0.11 7.66 0.40 6.62 261.51 663.24 Average: 32.52 8.03 23.05 1.43 125.53 2024.91 1317.91 12:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:40:01 5263724 8452340 7480944 45.69 259184 2922856 8888208 51.02 2110656 8434424 1304 12:50:20 3977956 7189696 8742204 53.39 261180 2943980 9401660 53.97 2131188 9679540 112 13:00:09 6427032 9662620 6273004 38.31 262296 2966708 7036288 40.39 2138372 7255100 660 Average: 5222904 8434885 7498717 45.80 260887 2944515 8442052 48.46 2126739 8456355 692 12:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:40:01 lo 28.08 28.08 20.04 20.04 0.00 0.00 0.00 0.00 12:40:01 ens3 2.27 2.10 0.73 0.62 0.00 0.00 0.00 0.00 12:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:20 lo 42.36 42.36 17.05 17.05 0.00 0.00 0.00 0.00 12:50:20 ens3 1.35 1.10 0.33 0.26 0.00 0.00 0.00 0.00 12:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:09 lo 14.18 14.18 7.40 7.40 0.00 0.00 0.00 0.00 13:00:09 ens3 0.80 0.79 0.14 1.15 0.00 0.00 0.00 0.00 13:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 28.44 28.44 14.88 14.88 0.00 0.00 0.00 0.00 Average: ens3 1.47 1.33 0.40 0.67 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-16g-19307) 02/20/26 _x86_64_ (4 CPU) 12:23:19 LINUX RESTART (4 CPU) 12:30:07 CPU %user %nice %system %iowait %steal %idle 12:40:01 all 58.95 0.00 2.21 0.17 0.11 38.56 12:40:01 0 58.31 0.00 2.27 0.38 0.11 38.93 12:40:01 1 59.27 0.00 2.07 0.12 0.10 38.44 12:40:01 2 58.28 0.00 2.30 0.11 0.11 39.21 12:40:01 3 59.96 0.00 2.21 0.08 0.10 37.65 12:50:20 all 29.26 0.00 1.16 0.04 0.10 69.44 12:50:20 0 29.03 0.00 1.19 0.08 0.10 69.61 12:50:20 1 29.18 0.00 1.23 0.02 0.10 69.47 12:50:20 2 29.86 0.00 1.09 0.03 0.10 68.92 12:50:20 3 28.97 0.00 1.15 0.03 0.10 69.75 13:00:09 all 16.46 0.00 0.68 0.03 0.09 82.74 13:00:09 0 15.88 0.00 0.60 0.01 0.08 83.42 13:00:09 1 16.75 0.00 0.80 0.04 0.09 82.32 13:00:09 2 16.59 0.00 0.78 0.05 0.09 82.49 13:00:09 3 16.61 0.00 0.56 0.02 0.09 82.73 Average: all 34.86 0.00 1.35 0.08 0.10 63.61 Average: 0 34.37 0.00 1.35 0.16 0.10 64.03 Average: 1 35.03 0.00 1.37 0.06 0.10 63.45 Average: 2 34.89 0.00 1.38 0.06 0.10 63.57 Average: 3 35.14 0.00 1.31 0.04 0.10 63.41