---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19303 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 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 655 10183 4 5150 14991 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:00:2b:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.94/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84689sec preferred_lft 84689sec inet6 fe80::f816:3eff:fe00:2b6e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:21:63:55:d0:07 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-19303) 02/20/26 _x86_64_ (4 CPU) 12:17:39 LINUX RESTART (4 CPU) 12:20:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:30:10 31.70 2.46 14.71 14.53 733.81 3503.17 265145.47 12:40:10 31.39 0.84 27.04 3.51 28.09 3571.67 11744.67 Average: 31.55 1.65 20.87 9.02 380.96 3537.42 138450.35 12:20:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:10 10590324 14116760 1842000 11.25 132544 3525228 2172656 12.47 738612 4657760 23100 12:40:10 8386864 13177648 2771892 16.93 173372 4655208 3201960 18.38 1073540 6426320 325624 Average: 9488594 13647204 2306946 14.09 152958 4090218 2687308 15.43 906076 5542040 174362 12:20:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:10 lo 1.02 1.02 0.11 0.11 0.00 0.00 0.00 0.00 12:30:10 ens3 111.06 85.13 937.43 16.68 0.00 0.00 0.00 0.00 12:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:10 lo 1564.30 1564.30 1490.63 1490.63 0.00 0.00 0.00 0.00 12:40:10 ens3 97.60 72.86 448.10 19.45 0.00 0.00 0.00 0.00 12:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 782.63 782.63 745.34 745.34 0.00 0.00 0.00 0.00 Average: ens3 104.33 78.99 692.77 18.06 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-19303) 02/20/26 _x86_64_ (4 CPU) 12:17:39 LINUX RESTART (4 CPU) 12:20:10 CPU %user %nice %system %iowait %steal %idle 12:30:10 all 48.32 0.00 1.74 0.42 0.07 49.44 12:30:10 0 50.22 0.00 1.95 0.56 0.08 47.19 12:30:10 1 47.24 0.00 1.65 0.43 0.07 50.61 12:30:10 2 47.18 0.00 1.66 0.27 0.07 50.81 12:30:10 3 48.64 0.00 1.72 0.40 0.07 49.17 12:40:10 all 68.67 0.00 2.70 0.15 0.09 28.38 12:40:10 0 67.86 0.00 2.62 0.11 0.09 29.32 12:40:10 1 70.27 0.00 2.59 0.20 0.09 26.85 12:40:10 2 68.90 0.00 2.74 0.18 0.09 28.08 12:40:10 3 67.67 0.00 2.83 0.13 0.09 29.28 Average: all 58.49 0.00 2.22 0.28 0.08 38.92 Average: 0 59.04 0.00 2.29 0.34 0.08 38.26 Average: 1 58.75 0.00 2.12 0.31 0.08 38.74 Average: 2 58.04 0.00 2.20 0.22 0.08 39.45 Average: 3 58.16 0.00 2.27 0.27 0.08 39.22