---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7933 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 68G 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 622 10533 4 4833 15024 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:3f:bc:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.230/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84778sec preferred_lft 84778sec inet6 fe80::f816:3eff:fe3f:bcab/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:e3:58:b8:f7:85 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-7933) 02/05/26 _x86_64_ (4 CPU) 14:36:36 LINUX RESTART (4 CPU) 14:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:01 20.31 0.63 5.86 13.82 433.68 1016.16 250416.64 15:00:10 13.68 0.53 12.41 0.74 19.14 2712.37 4564.98 Average: 16.94 0.58 9.19 7.18 223.28 1877.06 125635.64 14:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:01 8579292 11604276 4359140 26.62 111108 3085260 4551300 26.12 618544 6842476 904 15:00:10 9879792 13432944 2527036 15.43 130504 3562976 2755460 15.82 793884 5335692 111656 Average: 9229542 12518610 3443088 21.03 120806 3324118 3653380 20.97 706214 6089084 56280 14:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:01 lo 0.65 0.65 0.39 0.39 0.00 0.00 0.00 0.00 14:50:01 ens3 22.57 17.47 209.48 2.90 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:10 lo 341.07 341.07 324.69 324.69 0.00 0.00 0.00 0.00 15:00:10 ens3 31.58 23.95 402.92 3.49 0.00 0.00 0.00 0.00 15:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 173.43 173.43 164.99 164.99 0.00 0.00 0.00 0.00 Average: ens3 27.14 20.76 307.66 3.20 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-7933) 02/05/26 _x86_64_ (4 CPU) 14:36:36 LINUX RESTART (4 CPU) 14:40:10 CPU %user %nice %system %iowait %steal %idle 14:50:01 all 47.67 0.00 0.81 0.31 0.09 51.13 14:50:01 0 49.02 0.00 0.70 0.15 0.09 50.04 14:50:01 1 42.24 0.00 0.78 0.45 0.08 56.44 14:50:01 2 49.57 0.00 0.97 0.34 0.10 49.03 14:50:01 3 49.83 0.00 0.78 0.29 0.09 49.00 15:00:10 all 51.06 0.00 1.05 1.91 0.09 45.89 15:00:10 0 56.91 0.00 0.92 0.86 0.10 41.20 15:00:10 1 63.56 0.00 1.23 1.66 0.09 33.46 15:00:10 2 45.15 0.00 1.08 1.81 0.08 51.88 15:00:10 3 38.58 0.00 0.97 3.32 0.08 57.05 Average: all 49.38 0.00 0.93 1.12 0.09 48.48 Average: 0 53.02 0.00 0.81 0.51 0.09 45.56 Average: 1 53.05 0.00 1.01 1.06 0.09 44.79 Average: 2 47.33 0.00 1.03 1.08 0.09 50.47 Average: 3 44.13 0.00 0.88 1.82 0.09 53.08