---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25119 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 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 669 10561 4 4758 14977 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:d9:1c:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.132/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84738sec preferred_lft 84738sec inet6 fe80::f816:3eff:fed9:1c6c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:d8:22:21:be:01 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-25119) 03/02/26 _x86_64_ (4 CPU) 00:05:49 LINUX RESTART (4 CPU) 00:10:33 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:37 14.42 2.04 11.32 1.07 131.69 3116.21 2523.56 00:30:20 45.57 0.95 25.81 18.81 31.19 4761.65 248949.81 Average: 29.71 1.51 18.43 9.78 82.35 3923.95 123493.88 00:10:33 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:37 10599872 13900324 2059700 12.58 135692 3286544 2662420 15.28 583324 4797924 26760 00:30:20 10849824 15360992 590904 3.61 170376 4374564 1116520 6.41 915832 4106964 768 Average: 10724848 14630658 1325302 8.09 153034 3830554 1889470 10.85 749578 4452444 13764 00:10:33 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:37 lo 1.33 1.33 0.14 0.14 0.00 0.00 0.00 0.00 00:20:37 ens3 95.03 76.94 623.99 19.19 0.00 0.00 0.00 0.00 00:20:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:20 lo 1703.43 1703.43 1620.07 1620.07 0.00 0.00 0.00 0.00 00:30:20 ens3 102.35 79.70 443.25 79.67 0.00 0.00 0.00 0.00 00:30:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 836.89 836.89 795.36 795.36 0.00 0.00 0.00 0.00 Average: ens3 98.62 78.30 535.26 48.88 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-25119) 03/02/26 _x86_64_ (4 CPU) 00:05:49 LINUX RESTART (4 CPU) 00:10:33 CPU %user %nice %system %iowait %steal %idle 00:20:37 all 67.60 0.00 2.11 0.05 0.09 30.15 00:20:37 0 68.63 0.00 2.21 0.08 0.09 28.99 00:20:37 1 65.48 0.00 1.96 0.05 0.09 32.42 00:20:37 2 67.73 0.00 2.21 0.03 0.09 29.95 00:20:37 3 68.55 0.00 2.07 0.05 0.09 29.23 00:30:20 all 62.54 0.00 2.54 0.16 0.09 34.67 00:30:20 0 59.73 0.00 2.25 0.12 0.09 37.81 00:30:20 1 62.24 0.00 2.56 0.26 0.09 34.86 00:30:20 2 62.68 0.00 2.81 0.16 0.08 34.27 00:30:20 3 65.52 0.00 2.55 0.08 0.09 31.76 Average: all 65.11 0.00 2.32 0.10 0.09 32.37 Average: 0 64.26 0.00 2.23 0.10 0.09 33.32 Average: 1 63.89 0.00 2.25 0.15 0.09 33.62 Average: 2 65.25 0.00 2.50 0.09 0.09 32.07 Average: 3 67.06 0.00 2.31 0.07 0.09 30.47