---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-13008 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 13G 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 622 8750 4 6615 15023 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:76:7b:28 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.255/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84052sec preferred_lft 84052sec inet6 fe80::f816:3eff:fe76:7b28/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:ea:97:ff:9b:f6 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-13008) 02/17/26 _x86_64_ (4 CPU) 19:02:44 LINUX RESTART (4 CPU) 19:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:16 21.68 0.06 18.95 2.67 6.29 2084.69 19195.12 19:30:01 29.89 0.01 26.78 3.11 0.11 2405.13 29924.25 19:40:10 29.41 0.14 14.11 15.16 6.80 8298.76 258280.55 Average: 26.96 0.07 19.85 7.04 4.46 4290.95 103560.96 19:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:16 9794680 13452504 2504128 15.29 143532 3631816 2767596 15.89 760868 5404276 21708 19:30:01 9157500 13185388 2768180 16.91 162296 3956028 2907344 16.69 864120 5914560 15168 19:40:10 8972688 15386088 559436 3.42 176532 6250292 1112796 6.39 1685720 5184848 48 Average: 9308289 14007993 1943915 11.87 160787 4612712 2262579 12.99 1103569 5501228 12308 19:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:16 lo 1298.32 1298.32 1229.65 1229.65 0.00 0.00 0.00 0.00 19:20:16 ens3 36.84 31.69 53.29 11.61 0.00 0.00 0.00 0.00 19:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1329.82 1329.82 1266.35 1266.35 0.00 0.00 0.00 0.00 19:30:01 ens3 32.17 25.97 24.47 9.65 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:10 lo 354.49 354.49 6846.34 6846.34 0.00 0.00 0.00 0.00 19:40:10 ens3 74.23 80.16 112.36 988.63 0.00 0.00 0.00 0.00 19:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 989.26 989.26 3141.66 3141.66 0.00 0.00 0.00 0.00 Average: ens3 47.97 46.23 63.91 341.49 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-13008) 02/17/26 _x86_64_ (4 CPU) 19:02:44 LINUX RESTART (4 CPU) 19:10:10 CPU %user %nice %system %iowait %steal %idle 19:20:16 all 68.24 0.00 2.71 0.26 0.13 28.66 19:20:16 0 67.26 0.00 2.59 0.14 0.14 29.87 19:20:16 1 68.65 0.00 2.37 0.12 0.14 28.72 19:20:16 2 70.15 0.00 2.61 0.17 0.13 26.95 19:20:16 3 66.91 0.00 3.27 0.61 0.13 29.08 19:30:01 all 64.87 0.00 2.86 0.12 0.14 32.01 19:30:01 0 64.34 0.00 2.59 0.16 0.14 32.78 19:30:01 1 65.41 0.00 3.30 0.07 0.14 31.07 19:30:01 2 64.14 0.00 2.92 0.11 0.14 32.70 19:30:01 3 65.60 0.00 2.62 0.14 0.14 31.49 19:40:10 all 37.19 0.00 1.33 0.30 0.10 61.08 19:40:10 0 39.95 0.00 1.44 0.06 0.10 58.46 19:40:10 1 32.70 0.00 1.37 0.19 0.10 65.65 19:40:10 2 45.19 0.00 1.32 0.34 0.10 53.04 19:40:10 3 30.89 0.00 1.22 0.60 0.10 67.20 Average: all 56.62 0.00 2.29 0.23 0.12 40.74 Average: 0 57.05 0.00 2.20 0.12 0.13 40.50 Average: 1 55.42 0.00 2.33 0.13 0.13 41.99 Average: 2 59.73 0.00 2.27 0.21 0.12 37.66 Average: 3 54.27 0.00 2.36 0.45 0.12 42.79