---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-19276 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 16G 63G 20% / 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 702 11659 4 3628 14944 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:d0:93:44 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82618sec preferred_lft 82618sec inet6 fe80::f816:3eff:fed0:9344/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:44:6f:5c:9d:84 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-16g-19276) 02/20/26 _x86_64_ (4 CPU) 10:44:51 LINUX RESTART (4 CPU) 10:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:01 10.28 0.52 9.14 0.62 605.35 796.50 13979.94 11:10:01 1.62 0.00 1.61 0.02 0.00 18.80 0.75 11:20:01 16.12 0.01 1.55 14.56 0.16 18.45 219044.13 11:30:01 4.52 0.03 3.78 0.71 0.25 471.67 873.20 11:40:01 36.35 2.69 32.39 1.26 91.92 3551.13 2608.14 Average: 13.79 0.65 9.70 3.43 139.64 972.08 47294.91 10:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:01 6057256 15297100 633220 3.87 227224 8851160 1325968 7.61 1821004 7778440 204 11:10:01 6057256 15297608 632816 3.86 227608 8851296 1328304 7.62 1821396 7779056 20 11:20:01 6054256 15299396 631056 3.85 228080 8855580 1327100 7.62 1826128 7783444 228 11:30:01 3345244 13426032 2498672 15.26 249160 9621176 3275628 18.80 1926108 10346412 758832 11:40:01 7161728 10417300 5514124 33.68 248232 2957892 6204008 35.61 1900384 6713076 3276 Average: 5735148 13947487 1981978 12.11 236061 7827421 2692202 15.45 1859004 8080086 152512 10:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:01 lo 13.56 13.56 5.75 5.75 0.00 0.00 0.00 0.00 11:00:01 ens3 8.18 4.50 185.52 0.43 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:10:01 ens3 0.40 0.19 0.13 0.08 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:20:01 ens3 1.05 0.96 0.29 1.13 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 11:30:01 ens3 0.94 0.67 0.43 0.45 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 30.81 30.81 19.83 19.83 0.00 0.00 0.00 0.00 11:40:01 ens3 1.49 1.18 0.37 0.30 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 8.99 8.99 5.13 5.13 0.00 0.00 0.00 0.00 Average: ens3 2.41 1.50 37.37 0.48 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-16g-19276) 02/20/26 _x86_64_ (4 CPU) 10:44:51 LINUX RESTART (4 CPU) 10:50:01 CPU %user %nice %system %iowait %steal %idle 11:00:01 all 10.72 0.00 0.54 0.08 0.06 88.60 11:00:01 0 10.29 0.00 0.54 0.10 0.07 89.01 11:00:01 1 10.73 0.00 0.50 0.06 0.07 88.65 11:00:01 2 10.76 0.00 0.49 0.07 0.06 88.62 11:00:01 3 11.10 0.00 0.63 0.07 0.06 88.14 11:10:01 all 0.09 0.00 0.04 0.01 0.03 99.83 11:10:01 0 0.09 0.00 0.04 0.00 0.04 99.83 11:10:01 1 0.11 0.00 0.05 0.02 0.05 99.77 11:10:01 2 0.07 0.00 0.03 0.00 0.02 99.88 11:10:01 3 0.09 0.00 0.03 0.00 0.04 99.84 11:20:01 all 0.23 0.00 0.05 0.03 0.03 99.66 11:20:01 0 0.12 0.00 0.07 0.08 0.03 99.70 11:20:01 1 0.68 0.00 0.06 0.02 0.03 99.21 11:20:01 2 0.09 0.00 0.05 0.00 0.03 99.83 11:20:01 3 0.03 0.00 0.03 0.01 0.02 99.91 11:30:01 all 4.80 0.00 0.28 0.03 0.03 94.86 11:30:01 0 3.99 0.00 0.23 0.05 0.03 95.70 11:30:01 1 5.43 0.00 0.31 0.01 0.04 94.22 11:30:01 2 4.79 0.00 0.32 0.03 0.03 94.84 11:30:01 3 4.99 0.00 0.27 0.02 0.03 94.69 11:40:01 all 44.87 0.00 2.00 0.06 0.10 52.97 11:40:01 0 45.49 0.00 1.92 0.13 0.10 52.37 11:40:01 1 43.61 0.00 2.12 0.06 0.10 54.12 11:40:01 2 44.66 0.00 1.95 0.03 0.10 53.27 11:40:01 3 45.73 0.00 2.00 0.04 0.10 52.13 Average: all 12.15 0.00 0.58 0.04 0.05 87.17 Average: 0 12.02 0.00 0.56 0.07 0.05 87.29 Average: 1 12.10 0.00 0.61 0.03 0.06 87.20 Average: 2 12.09 0.00 0.57 0.03 0.05 87.27 Average: 3 12.40 0.00 0.59 0.03 0.05 86.93