---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7425 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 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 653 8650 4 6685 14993 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:0c:a7:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.213/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84259sec preferred_lft 84259sec inet6 fe80::f816:3eff:fe0c:a788/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:1f:02:17:4b: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-7425) 02/03/26 _x86_64_ (4 CPU) 14:05:50 LINUX RESTART (4 CPU) 14:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:14 36.47 3.46 29.43 3.57 758.24 4848.47 27844.10 14:30:14 31.57 0.01 28.24 3.31 0.16 2512.92 12424.12 14:40:14 14.14 0.14 12.57 1.43 6.52 8588.28 2968.24 Average: 27.44 1.21 23.45 2.78 257.75 5313.97 14486.36 14:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:14 9460876 13204236 2752768 16.81 138072 3733488 2912900 16.72 856872 5676556 28308 14:30:14 8360840 12643704 3309600 20.21 160364 4211668 3481880 19.99 983796 6598956 126660 14:40:14 8903356 15387480 558048 3.41 177244 6325920 1108144 6.36 1779656 5173656 48 Average: 8908357 13745140 2206805 13.48 158560 4757025 2500975 14.36 1206775 5816389 51672 14:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:14 lo 1398.47 1398.47 1325.74 1325.74 0.00 0.00 0.00 0.00 14:20:14 ens3 140.99 105.47 1068.42 21.43 0.00 0.00 0.00 0.00 14:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:14 lo 1430.09 1430.09 1362.05 1362.05 0.00 0.00 0.00 0.00 14:30:14 ens3 46.59 36.23 37.39 12.44 0.00 0.00 0.00 0.00 14:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:14 lo 278.85 278.85 6866.15 6866.15 0.00 0.00 0.00 0.00 14:40:14 ens3 75.52 84.90 117.00 1004.58 0.00 0.00 0.00 0.00 14:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1037.81 1037.81 3174.38 3174.38 0.00 0.00 0.00 0.00 Average: ens3 87.99 75.70 411.25 344.36 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-7425) 02/03/26 _x86_64_ (4 CPU) 14:05:50 LINUX RESTART (4 CPU) 14:10:04 CPU %user %nice %system %iowait %steal %idle 14:20:14 all 64.37 0.00 2.65 0.30 0.10 32.58 14:20:14 0 64.58 0.00 2.47 0.21 0.10 32.64 14:20:14 1 63.70 0.00 2.31 0.31 0.09 33.60 14:20:14 2 63.43 0.00 2.76 0.38 0.10 33.32 14:20:14 3 65.77 0.00 3.07 0.29 0.10 30.76 14:30:14 all 62.65 0.00 2.49 0.13 0.10 34.63 14:30:14 0 63.81 0.00 2.60 0.13 0.10 33.35 14:30:14 1 63.98 0.00 2.60 0.11 0.10 33.21 14:30:14 2 61.45 0.00 2.72 0.16 0.10 35.57 14:30:14 3 61.36 0.00 2.03 0.14 0.09 36.38 14:40:14 all 33.93 0.00 1.07 0.24 0.08 64.68 14:40:14 0 27.54 0.00 1.06 0.03 0.09 71.28 14:40:14 1 34.81 0.00 0.88 0.31 0.08 63.93 14:40:14 2 36.35 0.00 1.13 0.19 0.08 62.26 14:40:14 3 37.04 0.00 1.23 0.43 0.08 61.22 Average: all 53.69 0.00 2.08 0.22 0.09 43.92 Average: 0 52.01 0.00 2.04 0.12 0.10 45.72 Average: 1 54.19 0.00 1.93 0.24 0.09 43.55 Average: 2 53.79 0.00 2.21 0.24 0.09 43.66 Average: 3 54.77 0.00 2.12 0.29 0.09 42.74