---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9257 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 11G 67G 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 624 10551 4 4813 15022 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:e9:ea:6a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84763sec preferred_lft 84763sec inet6 fe80::f816:3eff:fee9:ea6a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:30:d4:6c:c8:12 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-9257) 02/11/26 _x86_64_ (4 CPU) 00:27:47 LINUX RESTART (4 CPU) 00:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:13 11.15 1.87 8.76 0.53 321.23 2340.06 23884.88 00:50:13 4.62 0.37 4.01 0.23 11.84 621.49 30.20 Average: 7.91 1.12 6.40 0.38 167.49 1486.06 12030.94 00:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:13 9051172 12048788 3913828 23.90 112028 3055412 4081092 23.43 556724 6413228 6944 00:50:13 9190328 12863044 3096240 18.91 128864 3677184 3336676 19.15 626156 6169600 490596 Average: 9120750 12455916 3505034 21.41 120446 3366298 3708884 21.29 591440 6291414 248770 00:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:13 lo 0.69 0.69 0.39 0.39 0.00 0.00 0.00 0.00 00:40:13 ens3 39.33 28.28 361.67 5.45 0.00 0.00 0.00 0.00 00:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:13 lo 75.69 75.69 71.74 71.74 0.00 0.00 0.00 0.00 00:50:13 ens3 43.21 26.64 409.63 3.95 0.00 0.00 0.00 0.00 00:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 37.96 37.96 35.85 35.85 0.00 0.00 0.00 0.00 Average: ens3 41.26 27.46 385.50 4.70 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-9257) 02/11/26 _x86_64_ (4 CPU) 00:27:47 LINUX RESTART (4 CPU) 00:30:06 CPU %user %nice %system %iowait %steal %idle 00:40:13 all 51.61 0.00 0.92 0.11 0.09 47.27 00:40:13 0 49.37 0.00 0.96 0.20 0.09 49.37 00:40:13 1 58.72 0.00 1.08 0.10 0.09 40.02 00:40:13 2 52.25 0.00 0.86 0.07 0.09 46.73 00:40:13 3 46.10 0.00 0.79 0.06 0.08 52.97 00:50:13 all 51.94 0.00 0.73 0.01 0.08 47.23 00:50:13 0 77.73 0.00 0.83 0.02 0.09 21.33 00:50:13 1 40.03 0.00 0.77 0.01 0.07 59.12 00:50:13 2 52.45 0.00 0.73 0.02 0.08 46.72 00:50:13 3 37.60 0.00 0.59 0.02 0.08 61.71 Average: all 51.78 0.00 0.83 0.06 0.08 47.25 Average: 0 63.46 0.00 0.89 0.11 0.09 35.44 Average: 1 49.43 0.00 0.93 0.06 0.08 49.51 Average: 2 52.35 0.00 0.80 0.04 0.08 46.72 Average: 3 41.87 0.00 0.69 0.04 0.08 57.31