---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-93539 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 9.1G 69G 12% / 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 617 11958 4 3413 15029 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:51:10:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.7/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82693sec preferred_lft 82693sec inet6 fe80::f816:3eff:fe51:1026/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:8d:e0:de:31:4f 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-93539) 03/06/26 _x86_64_ (4 CPU) 01:16:52 LINUX RESTART (4 CPU) 01:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:30:00 12.64 0.34 11.47 0.83 14.60 1553.33 9926.14 01:40:00 1.33 0.01 1.32 0.00 0.04 16.24 0.00 01:50:00 14.58 0.01 1.40 13.18 0.23 17.00 238828.38 02:00:00 1.34 0.00 1.34 0.00 0.00 16.24 0.00 02:10:00 1.29 0.00 1.29 0.00 0.00 15.69 0.00 Average: 6.24 0.07 3.36 2.80 2.97 323.71 49750.94 01:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:30:00 10443272 13565452 2396524 14.64 112616 3156676 2750216 15.79 613032 4955208 32 01:40:00 10437224 13560004 2401940 14.67 113040 3156816 2750492 15.79 613448 4962576 36 01:50:00 10426652 13554824 2407000 14.70 113708 3161520 2750620 15.79 618808 4969456 36 02:00:00 10423376 13552000 2409844 14.72 114140 3161524 2750748 15.79 619232 4976532 36 02:10:00 10415344 13544400 2417428 14.76 114548 3161540 2750940 15.79 619644 4983652 32 Average: 10429174 13555336 2406547 14.70 113610 3159615 2750603 15.79 616833 4969485 34 01:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:30:00 lo 0.26 0.26 0.02 0.02 0.00 0.00 0.00 0.00 01:30:00 ens3 6.03 4.02 1.68 1.73 0.00 0.00 0.00 0.00 01:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 01:40:00 ens3 0.37 0.13 0.09 0.05 0.00 0.00 0.00 0.00 01:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:50:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 01:50:00 ens3 0.36 0.15 0.11 0.07 0.00 0.00 0.00 0.00 01:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:00:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 02:00:00 ens3 0.20 0.08 0.04 0.02 0.00 0.00 0.00 0.00 02:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:10:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 02:10:00 ens3 0.22 0.11 0.07 0.04 0.00 0.00 0.00 0.00 02:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 1.44 0.90 0.40 0.38 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-93539) 03/06/26 _x86_64_ (4 CPU) 01:16:52 LINUX RESTART (4 CPU) 01:20:00 CPU %user %nice %system %iowait %steal %idle 01:30:00 all 9.21 0.00 0.35 0.62 0.05 89.77 01:30:00 0 8.85 0.00 0.34 1.71 0.04 89.06 01:30:00 1 9.10 0.00 0.30 0.32 0.05 90.22 01:30:00 2 9.26 0.00 0.43 0.26 0.05 90.00 01:30:00 3 9.64 0.00 0.34 0.20 0.05 89.78 01:40:00 all 0.30 0.00 0.13 0.07 0.04 99.47 01:40:00 0 0.17 0.00 0.09 0.08 0.04 99.63 01:40:00 1 0.43 0.00 0.20 0.15 0.06 99.16 01:40:00 2 0.36 0.00 0.12 0.00 0.03 99.49 01:40:00 3 0.24 0.00 0.10 0.04 0.04 99.58 01:50:00 all 0.34 0.00 0.13 0.04 0.05 99.45 01:50:00 0 0.39 0.00 0.10 0.11 0.04 99.36 01:50:00 1 0.58 0.00 0.14 0.00 0.05 99.22 01:50:00 2 0.27 0.00 0.19 0.00 0.07 99.46 01:50:00 3 0.12 0.00 0.08 0.03 0.04 99.75 02:00:00 all 0.28 0.00 0.13 0.01 0.05 99.54 02:00:00 0 0.08 0.00 0.08 0.02 0.03 99.79 02:00:00 1 0.18 0.00 0.12 0.00 0.05 99.66 02:00:00 2 0.71 0.00 0.23 0.01 0.08 98.98 02:00:00 3 0.14 0.00 0.07 0.00 0.04 99.75 02:10:00 all 0.21 0.00 0.12 0.01 0.05 99.61 02:10:00 0 0.12 0.00 0.10 0.01 0.05 99.72 02:10:00 1 0.44 0.00 0.18 0.00 0.07 99.31 02:10:00 2 0.13 0.00 0.09 0.03 0.04 99.71 02:10:00 3 0.15 0.00 0.12 0.00 0.05 99.68 Average: all 2.07 0.00 0.17 0.15 0.05 97.57 Average: 0 1.92 0.00 0.14 0.38 0.04 97.51 Average: 1 2.14 0.00 0.19 0.09 0.06 97.52 Average: 2 2.15 0.00 0.21 0.06 0.05 97.53 Average: 3 2.06 0.00 0.14 0.05 0.04 97.71