---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6973 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 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 657 9045 4 6285 14989 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:cc:83:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.174/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84199sec preferred_lft 84199sec inet6 fe80::f816:3eff:fecc:83ff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:a8:ba:87:b8:f3 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-6973) 02/02/26 _x86_64_ (4 CPU) 05:21:29 LINUX RESTART (4 CPU) 05:30:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:18 23.88 0.06 21.10 2.71 6.32 2221.15 4529.10 05:50:01 29.45 0.02 26.47 2.96 0.48 4435.39 24399.80 Average: 26.62 0.04 23.75 2.83 3.44 3311.81 14316.76 05:30:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:18 9407908 12881764 3076380 18.79 141416 3453260 3072168 17.63 700768 5858148 10576 05:50:01 5730188 10262316 5691500 34.76 156476 4451300 5516720 31.67 999844 9183940 30152 Average: 7569048 11572040 4383940 26.78 148946 3952280 4294444 24.65 850306 7521044 20364 05:30:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:18 lo 1210.85 1210.85 1146.74 1146.74 0.00 0.00 0.00 0.00 05:40:18 ens3 38.05 31.49 26.48 10.99 0.00 0.00 0.00 0.00 05:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 lo 1105.72 1105.72 1095.45 1095.45 0.00 0.00 0.00 0.00 05:50:01 ens3 39.03 31.56 42.63 11.61 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1159.07 1159.07 1121.48 1121.48 0.00 0.00 0.00 0.00 Average: ens3 38.53 31.52 34.44 11.29 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-6973) 02/02/26 _x86_64_ (4 CPU) 05:21:29 LINUX RESTART (4 CPU) 05:30:18 CPU %user %nice %system %iowait %steal %idle 05:40:18 all 65.91 0.00 2.32 0.06 0.10 31.62 05:40:18 0 65.63 0.00 2.07 0.05 0.10 32.15 05:40:18 1 65.94 0.00 2.47 0.07 0.10 31.43 05:40:18 2 65.59 0.00 2.22 0.04 0.10 32.04 05:40:18 3 66.48 0.00 2.49 0.06 0.10 30.87 05:50:01 all 53.55 0.00 2.23 0.15 0.09 43.99 05:50:01 0 55.39 0.00 2.57 0.17 0.09 41.79 05:50:01 1 53.97 0.00 2.19 0.10 0.09 43.66 05:50:01 2 51.82 0.00 1.99 0.17 0.09 45.93 05:50:01 3 53.02 0.00 2.16 0.14 0.09 44.58 Average: all 59.83 0.00 2.27 0.10 0.09 37.71 Average: 0 60.59 0.00 2.32 0.11 0.09 36.89 Average: 1 60.04 0.00 2.33 0.08 0.10 37.45 Average: 2 58.81 0.00 2.11 0.11 0.09 38.88 Average: 3 59.86 0.00 2.33 0.10 0.10 37.61