---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20189 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 655 10235 4 5097 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:be:c8:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84917sec preferred_lft 84917sec inet6 fe80::f816:3eff:febe:c8b1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:79:2b:88:55:e5 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-20189) 02/23/26 _x86_64_ (4 CPU) 12:59:38 LINUX RESTART (4 CPU) 13:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:09 70.72 10.35 45.33 15.04 1937.77 9665.98 253024.94 13:20:19 33.14 0.80 28.09 4.25 23.85 4425.58 6319.29 Average: 51.90 5.57 36.70 9.64 979.32 7041.70 129479.90 13:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:09 10262272 13848368 2110496 12.89 133936 3575124 2724780 15.64 771740 4949032 42404 13:20:19 10488676 15346852 603912 3.69 173596 4712760 1141400 6.55 1116124 4257596 111160 Average: 10375474 14597610 1357204 8.29 153766 4143942 1933090 11.10 943932 4603314 76782 13:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:09 lo 1.39 1.39 0.16 0.16 0.00 0.00 0.00 0.00 13:10:09 ens3 171.82 126.85 1133.42 28.23 0.00 0.00 0.00 0.00 13:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:19 lo 1620.43 1620.43 1543.59 1543.59 0.00 0.00 0.00 0.00 13:20:19 ens3 91.08 68.58 417.02 18.85 0.00 0.00 0.00 0.00 13:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 812.17 812.17 773.08 773.08 0.00 0.00 0.00 0.00 Average: ens3 131.39 97.67 774.66 23.53 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-20189) 02/23/26 _x86_64_ (4 CPU) 12:59:38 LINUX RESTART (4 CPU) 13:00:00 CPU %user %nice %system %iowait %steal %idle 13:10:09 all 62.39 0.00 2.47 0.82 0.12 34.20 13:10:09 0 59.78 0.00 2.61 0.84 0.12 36.65 13:10:09 1 64.19 0.00 2.46 0.71 0.12 32.52 13:10:09 2 64.19 0.00 2.46 0.91 0.12 32.33 13:10:09 3 61.40 0.00 2.35 0.82 0.12 35.31 13:20:19 all 67.97 0.00 2.71 0.17 0.11 29.03 13:20:19 0 70.23 0.00 2.82 0.07 0.11 26.77 13:20:19 1 67.69 0.00 2.64 0.11 0.11 29.46 13:20:19 2 71.00 0.00 2.88 0.34 0.11 25.67 13:20:19 3 62.97 0.00 2.51 0.18 0.11 34.24 Average: all 65.19 0.00 2.59 0.50 0.11 31.61 Average: 0 65.02 0.00 2.72 0.45 0.11 31.70 Average: 1 65.94 0.00 2.55 0.41 0.11 30.99 Average: 2 67.60 0.00 2.67 0.62 0.12 28.99 Average: 3 62.18 0.00 2.43 0.50 0.11 34.77