---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8153 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 673 8853 4 6462 14973 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:ab:d3:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.29/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84618sec preferred_lft 84618sec inet6 fe80::f816:3eff:feab:d3b1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:ec:e4:d0:07:d0 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-8153) 02/06/26 _x86_64_ (4 CPU) 07:34:02 LINUX RESTART (4 CPU) 07:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:14 25.75 0.02 23.00 2.72 0.38 2292.90 17541.99 08:00:01 24.40 0.02 21.98 2.39 0.46 4337.86 12084.60 Average: 25.08 0.02 22.50 2.56 0.42 3293.35 14872.07 07:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:14 8506428 12393928 3562864 21.76 142608 3855924 3427632 19.67 873416 6574884 200560 08:00:01 5611404 10323276 5629696 34.38 155612 4631932 5312348 30.49 1123536 9178200 24 Average: 7058916 11358602 4596280 28.07 149110 4243928 4369990 25.08 998476 7876542 100292 07:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:14 lo 1329.15 1329.15 1259.97 1259.97 0.00 0.00 0.00 0.00 07:50:14 ens3 25.30 21.79 20.80 6.96 0.00 0.00 0.00 0.00 07:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 lo 986.32 986.32 3242.84 3242.84 0.00 0.00 0.00 0.00 08:00:01 ens3 23.57 20.56 36.88 6.72 0.00 0.00 0.00 0.00 08:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1161.42 1161.42 2230.05 2230.05 0.00 0.00 0.00 0.00 Average: ens3 24.45 21.19 28.67 6.85 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-8153) 02/06/26 _x86_64_ (4 CPU) 07:34:02 LINUX RESTART (4 CPU) 07:40:01 CPU %user %nice %system %iowait %steal %idle 07:50:14 all 65.56 0.00 2.30 0.09 0.11 31.94 07:50:14 0 63.48 0.00 2.08 0.13 0.11 34.20 07:50:14 1 66.19 0.00 2.07 0.09 0.11 31.54 07:50:14 2 65.59 0.00 2.47 0.06 0.11 31.77 07:50:14 3 66.97 0.00 2.60 0.08 0.11 30.23 08:00:01 all 53.62 0.00 2.07 0.18 0.09 44.04 08:00:01 0 51.25 0.00 2.03 0.30 0.09 46.33 08:00:01 1 53.06 0.00 2.00 0.21 0.09 44.64 08:00:01 2 54.86 0.00 2.42 0.07 0.10 42.55 08:00:01 3 55.32 0.00 1.82 0.14 0.09 42.62 Average: all 59.72 0.00 2.19 0.14 0.10 37.86 Average: 0 57.50 0.00 2.06 0.21 0.10 40.13 Average: 1 59.76 0.00 2.04 0.15 0.10 37.95 Average: 2 60.34 0.00 2.44 0.07 0.10 37.05 Average: 3 61.27 0.00 2.22 0.11 0.10 36.29