---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9851 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 634 8750 4 6603 15011 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:4f:be:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83977sec preferred_lft 83977sec inet6 fe80::f816:3eff:fe4f:be11/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:1a:d2:51:d9:a0 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-9851) 02/12/26 _x86_64_ (4 CPU) 19:01:29 LINUX RESTART (4 CPU) 19:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:10 29.73 2.36 24.40 2.96 142.44 3770.68 8707.14 19:30:01 31.34 0.00 28.09 3.25 0.09 2443.50 16474.78 19:40:10 15.66 0.13 13.98 1.55 6.41 8694.41 33432.55 Average: 25.51 0.84 22.09 2.58 50.12 4996.02 19574.54 19:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:10 9393780 13011416 2946460 18.00 136936 3609580 2937988 16.86 802912 5800928 24808 19:30:01 9168852 13188896 2764940 16.89 159092 3958356 2676676 15.36 914048 5864164 33576 19:40:10 8971612 15372624 573540 3.50 175840 6245292 1098972 6.31 1732616 5149392 8 Average: 9178081 13857645 2094980 12.80 157289 4604409 2237879 12.85 1149859 5604828 19464 19:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:10 lo 1525.11 1525.11 1446.62 1446.62 0.00 0.00 0.00 0.00 19:20:10 ens3 82.45 64.44 460.68 15.77 0.00 0.00 0.00 0.00 19:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1380.69 1380.69 1314.61 1314.61 0.00 0.00 0.00 0.00 19:30:01 ens3 45.46 34.89 26.46 11.39 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 344.82 344.82 6833.97 6833.97 0.00 0.00 0.00 0.00 19:40:10 ens3 75.95 85.33 113.74 999.48 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 1080.28 1080.28 3218.55 3218.55 0.00 0.00 0.00 0.00 Average: ens3 68.18 61.83 201.96 345.76 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-9851) 02/12/26 _x86_64_ (4 CPU) 19:01:29 LINUX RESTART (4 CPU) 19:10:02 CPU %user %nice %system %iowait %steal %idle 19:20:10 all 69.43 0.00 2.52 0.07 0.11 27.88 19:20:10 0 68.95 0.00 2.71 0.06 0.11 28.17 19:20:10 1 69.44 0.00 2.55 0.05 0.11 27.85 19:20:10 2 67.47 0.00 2.57 0.08 0.11 29.78 19:20:10 3 71.85 0.00 2.24 0.07 0.11 25.72 19:30:01 all 64.45 0.00 2.55 0.07 0.11 32.82 19:30:01 0 61.35 0.00 2.40 0.11 0.11 36.03 19:30:01 1 64.11 0.00 2.92 0.04 0.11 32.82 19:30:01 2 64.57 0.00 2.75 0.06 0.11 32.51 19:30:01 3 67.78 0.00 2.14 0.06 0.10 29.91 19:40:10 all 35.93 0.00 1.24 0.12 0.08 62.63 19:40:10 0 29.21 0.00 1.13 0.21 0.08 69.37 19:40:10 1 36.80 0.00 1.40 0.10 0.08 61.63 19:40:10 2 42.21 0.00 1.21 0.01 0.08 56.48 19:40:10 3 35.50 0.00 1.20 0.17 0.08 63.04 Average: all 56.50 0.00 2.10 0.09 0.10 41.22 Average: 0 53.04 0.00 2.08 0.13 0.10 44.65 Average: 1 56.67 0.00 2.28 0.06 0.10 40.89 Average: 2 58.01 0.00 2.17 0.05 0.10 39.67 Average: 3 58.26 0.00 1.86 0.10 0.10 39.68