---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7867 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 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 671 10327 4 4989 14974 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:eb:46:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84001sec preferred_lft 84001sec inet6 fe80::f816:3eff:feeb:46aa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:82:aa:54:2e:bd 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-7867) 02/05/26 _x86_64_ (4 CPU) 09:10:30 LINUX RESTART (4 CPU) 09:20:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 7.63 1.92 5.44 0.27 126.99 1396.96 900.72 09:40:17 11.23 0.51 9.59 1.13 17.22 2477.47 3051.95 09:50:02 27.58 0.60 22.90 4.07 26.18 3759.46 3145.93 Average: 15.41 1.00 12.59 1.81 56.15 2543.47 2377.39 09:20:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 11192016 14306872 1656048 10.11 116008 3161680 2002172 11.49 676116 4164032 36912 09:40:17 9644464 13498688 2457540 15.01 150548 3795352 2987360 17.15 863080 5450992 27892 09:50:02 10662556 15415596 534552 3.26 173688 4614532 1055492 6.06 1113200 4106420 11816 Average: 10499679 14407052 1549380 9.46 146748 3857188 2015008 11.57 884132 4573815 25540 09:20:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 0.46 0.46 0.04 0.04 0.00 0.00 0.00 0.00 09:30:01 ens3 51.29 40.23 437.26 8.78 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:17 lo 1.41 1.41 0.15 0.15 0.00 0.00 0.00 0.00 09:40:17 ens3 74.07 55.76 138.74 17.95 0.00 0.00 0.00 0.00 09:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:02 lo 1531.58 1531.58 1447.31 1447.31 0.00 0.00 0.00 0.00 09:50:02 ens3 120.59 110.89 426.49 202.78 0.00 0.00 0.00 0.00 09:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 502.75 502.75 474.55 474.55 0.00 0.00 0.00 0.00 Average: ens3 81.85 68.74 330.96 75.53 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-7867) 02/05/26 _x86_64_ (4 CPU) 09:10:30 LINUX RESTART (4 CPU) 09:20:16 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 22.51 0.00 0.73 0.04 0.05 76.68 09:30:01 0 21.77 0.00 0.70 0.01 0.04 77.48 09:30:01 1 22.97 0.00 0.91 0.05 0.04 76.02 09:30:01 2 22.59 0.00 0.66 0.07 0.05 76.63 09:30:01 3 22.69 0.00 0.63 0.03 0.06 76.58 09:40:17 all 72.56 0.00 2.30 0.05 0.12 24.98 09:40:17 0 69.63 0.00 2.46 0.09 0.12 27.70 09:40:17 1 72.66 0.00 2.21 0.03 0.11 24.99 09:40:17 2 73.95 0.00 2.08 0.02 0.11 23.84 09:40:17 3 74.04 0.00 2.43 0.04 0.11 23.37 09:50:02 all 39.11 0.00 1.95 0.15 0.08 58.71 09:50:02 0 36.41 0.00 1.71 0.16 0.07 61.64 09:50:02 1 38.60 0.00 2.34 0.27 0.07 58.72 09:50:02 2 41.24 0.00 2.05 0.10 0.08 56.53 09:50:02 3 40.19 0.00 1.69 0.08 0.08 57.96 Average: all 45.18 0.00 1.67 0.08 0.08 52.99 Average: 0 43.05 0.00 1.64 0.09 0.08 55.15 Average: 1 45.19 0.00 1.83 0.11 0.08 52.80 Average: 2 46.37 0.00 1.61 0.06 0.08 51.88 Average: 3 46.11 0.00 1.60 0.05 0.08 52.15