---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10664 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 9.1G 69G 12% / 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 635 11921 4 3432 15012 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:18:e0:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.93/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84414sec preferred_lft 84414sec inet6 fe80::f816:3eff:fe18:e0c4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:56:93:57:3c:c7 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-10664) 02/15/26 _x86_64_ (4 CPU) 02:27:21 LINUX RESTART (4 CPU) 02:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:40:00 5.21 0.42 4.40 0.38 406.43 635.70 8157.45 02:50:00 1.32 0.01 1.31 0.00 0.04 15.36 0.43 03:00:00 21.22 4.18 15.95 1.09 199.40 3604.40 1209.83 Average: 9.26 1.54 7.23 0.49 201.61 1419.81 3114.02 02:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:40:00 13504240 15510444 503796 3.08 58880 2171768 1136764 6.53 323684 2285080 8 02:50:00 13503460 15510088 504100 3.08 59316 2171760 1136892 6.53 324100 2285676 4 03:00:00 12299888 15455712 511200 3.12 107676 3232312 1146884 6.58 466092 3280408 139332 Average: 13102529 15492081 506365 3.09 75291 2525280 1140180 6.54 371292 2617055 46448 02:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:40:00 lo 0.15 0.15 0.02 0.02 0.00 0.00 0.00 0.00 02:40:00 ens3 9.80 4.65 211.45 0.39 0.00 0.00 0.00 0.00 02:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:50:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 02:50:00 ens3 0.52 0.11 0.08 0.04 0.00 0.00 0.00 0.00 02:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:00 lo 0.36 0.36 0.05 0.05 0.00 0.00 0.00 0.00 03:00:00 ens3 37.92 28.76 494.06 5.61 0.00 0.00 0.00 0.00 03:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 16.09 11.19 235.24 2.02 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-10664) 02/15/26 _x86_64_ (4 CPU) 02:27:21 LINUX RESTART (4 CPU) 02:30:03 CPU %user %nice %system %iowait %steal %idle 02:40:00 all 0.44 0.00 0.13 0.09 0.02 99.33 02:40:00 0 0.36 0.00 0.14 0.05 0.01 99.44 02:40:00 1 0.49 0.00 0.14 0.03 0.02 99.31 02:40:00 2 0.63 0.00 0.13 0.12 0.03 99.09 02:40:00 3 0.27 0.00 0.10 0.15 0.01 99.47 02:50:00 all 0.13 0.00 0.03 0.01 0.02 99.81 02:50:00 0 0.01 0.00 0.01 0.00 0.01 99.97 02:50:00 1 0.25 0.00 0.05 0.00 0.03 99.67 02:50:00 2 0.01 0.00 0.02 0.03 0.01 99.93 02:50:00 3 0.27 0.00 0.04 0.00 0.02 99.66 03:00:00 all 5.46 0.00 0.37 0.18 0.03 93.96 03:00:00 0 6.60 0.00 0.38 0.11 0.02 92.89 03:00:00 1 4.58 0.00 0.37 0.44 0.04 94.57 03:00:00 2 4.48 0.00 0.25 0.08 0.02 95.16 03:00:00 3 6.16 0.00 0.50 0.11 0.02 93.21 Average: all 2.01 0.00 0.18 0.09 0.02 97.70 Average: 0 2.32 0.00 0.18 0.05 0.02 97.43 Average: 1 1.78 0.00 0.19 0.16 0.03 97.85 Average: 2 1.71 0.00 0.13 0.08 0.02 98.06 Average: 3 2.24 0.00 0.21 0.09 0.02 97.44