---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8054 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 11G 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 675 9717 4 5596 14971 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:b7:de:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.138/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84528sec preferred_lft 84528sec inet6 fe80::f816:3eff:feb7:dea4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:c4:1f:49:27:0c 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-8054) 02/06/26 _x86_64_ (4 CPU) 00:38:09 LINUX RESTART (4 CPU) 00:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:10 48.63 2.89 40.62 5.12 738.89 4622.84 116882.34 01:00:00 9.24 0.20 8.24 0.80 6.03 1523.46 1973.52 Average: 29.22 1.56 24.66 2.99 377.67 3095.17 60244.28 00:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:10 8898240 12412144 3547528 21.67 145932 3510980 3625488 20.81 827400 6286556 12244 01:00:00 9431004 13453284 2502624 15.29 164188 3965404 2823168 16.20 949348 5590792 107088 Average: 9164622 12932714 3025076 18.48 155060 3738192 3224328 18.51 888374 5938674 59666 00:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:10 lo 18.14 18.14 3.94 3.94 0.00 0.00 0.00 0.00 00:50:10 ens3 74.64 55.94 753.59 10.17 0.00 0.00 0.00 0.00 00:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:00 lo 489.28 489.28 430.90 430.90 0.00 0.00 0.00 0.00 01:00:00 ens3 31.22 23.73 276.70 4.80 0.00 0.00 0.00 0.00 01:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 250.36 250.36 214.39 214.39 0.00 0.00 0.00 0.00 Average: ens3 53.24 40.06 518.53 7.52 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-8054) 02/06/26 _x86_64_ (4 CPU) 00:38:09 LINUX RESTART (4 CPU) 00:40:02 CPU %user %nice %system %iowait %steal %idle 00:50:10 all 32.95 0.00 1.47 0.41 0.08 65.09 00:50:10 0 33.78 0.00 1.46 0.28 0.08 64.41 00:50:10 1 32.48 0.00 1.48 0.28 0.08 65.68 00:50:10 2 33.21 0.00 1.65 0.78 0.08 64.28 00:50:10 3 32.35 0.00 1.30 0.30 0.07 65.97 01:00:00 all 23.37 0.00 1.16 0.10 0.09 75.28 01:00:00 0 23.27 0.00 1.16 0.09 0.09 75.41 01:00:00 1 24.07 0.00 1.24 0.07 0.09 74.52 01:00:00 2 23.69 0.00 1.22 0.12 0.09 74.89 01:00:00 3 22.47 0.00 1.04 0.10 0.09 76.30 Average: all 28.24 0.00 1.32 0.25 0.08 70.11 Average: 0 28.60 0.00 1.31 0.18 0.08 69.83 Average: 1 28.34 0.00 1.36 0.18 0.08 70.04 Average: 2 28.52 0.00 1.44 0.45 0.08 69.50 Average: 3 27.48 0.00 1.17 0.20 0.08 71.06