---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7978 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 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 668 8661 4 6658 14978 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:98:4d:5d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.1/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84174sec preferred_lft 84174sec inet6 fe80::f816:3eff:fe98:4d5d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:4d:de:9c:4f:5c 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-7978) 02/05/26 _x86_64_ (4 CPU) 17:18:13 LINUX RESTART (4 CPU) 17:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:30:17 49.50 4.24 29.48 15.78 780.85 4871.79 249203.43 17:40:17 23.80 0.01 21.04 2.75 0.19 2090.37 8029.53 17:50:01 22.55 0.03 20.44 2.08 0.55 4036.65 30964.62 Average: 32.20 1.46 23.74 7.00 267.66 3673.73 98058.73 17:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:30:17 9669016 13228332 2730540 16.68 133896 3564228 3049352 17.50 828292 5504184 23388 17:40:17 8786460 12742196 3213944 19.63 148788 3913720 3247604 18.64 942196 6230476 21196 17:50:01 7473216 12318492 3633856 22.19 160880 4755560 3699552 21.24 1211344 7221212 3720 Average: 8642897 12763007 3192780 19.50 147855 4077836 3332169 19.13 993944 6318624 16101 17:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:30:17 lo 1098.79 1098.79 1040.65 1040.65 0.00 0.00 0.00 0.00 17:30:17 ens3 126.50 92.57 1072.55 18.77 0.00 0.00 0.00 0.00 17:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:17 lo 1073.74 1073.74 1021.86 1021.86 0.00 0.00 0.00 0.00 17:40:17 ens3 39.27 31.56 24.04 11.71 0.00 0.00 0.00 0.00 17:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:01 lo 939.13 939.13 7690.31 7690.31 0.00 0.00 0.00 0.00 17:50:01 ens3 27.22 20.46 18.97 7.62 0.00 0.00 0.00 0.00 17:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1038.69 1038.69 3189.56 3189.56 0.00 0.00 0.00 0.00 Average: ens3 65.24 48.86 381.49 12.80 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-7978) 02/05/26 _x86_64_ (4 CPU) 17:18:13 LINUX RESTART (4 CPU) 17:20:00 CPU %user %nice %system %iowait %steal %idle 17:30:17 all 45.15 0.00 2.07 0.28 0.10 52.39 17:30:17 0 44.85 0.00 2.30 0.20 0.10 52.54 17:30:17 1 44.43 0.00 2.02 0.25 0.10 53.19 17:30:17 2 46.08 0.00 1.99 0.22 0.10 51.61 17:30:17 3 45.24 0.00 1.96 0.47 0.11 52.22 17:40:17 all 64.23 0.00 2.37 0.77 0.14 32.49 17:40:17 0 65.21 0.00 2.37 1.30 0.14 30.98 17:40:17 1 64.73 0.00 2.40 0.47 0.14 32.26 17:40:17 2 63.37 0.00 2.37 0.88 0.14 33.23 17:40:17 3 63.60 0.00 2.34 0.43 0.14 33.49 17:50:01 all 47.38 0.00 1.79 0.72 0.12 50.00 17:50:01 0 46.38 0.00 1.87 0.69 0.12 50.94 17:50:01 1 40.33 0.00 1.96 0.71 0.12 56.88 17:50:01 2 54.11 0.00 1.34 0.92 0.12 43.52 17:50:01 3 48.69 0.00 1.98 0.56 0.12 48.65 Average: all 52.23 0.00 2.08 0.59 0.12 44.98 Average: 0 52.14 0.00 2.19 0.73 0.12 44.83 Average: 1 49.86 0.00 2.13 0.47 0.12 47.42 Average: 2 54.45 0.00 1.90 0.67 0.12 42.86 Average: 3 52.48 0.00 2.09 0.49 0.12 44.82