---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19635 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 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 632 8700 4 6656 15014 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:17:00:ad brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84382sec preferred_lft 84382sec inet6 fe80::f816:3eff:fe17:ad/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:7e:71:13:4e:2a 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-19635) 02/21/26 _x86_64_ (4 CPU) 10:39:19 LINUX RESTART (4 CPU) 10:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:01 31.14 5.20 23.92 2.02 876.88 5106.83 8789.66 11:00:03 27.67 0.08 24.35 3.25 7.33 2222.77 15818.27 11:10:03 47.12 0.15 29.52 17.45 6.77 9464.32 250474.44 Average: 35.31 1.80 25.93 7.58 295.93 5594.45 91702.71 10:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:01 10291732 13804320 2156872 13.17 125700 3537820 2424864 13.92 764524 4966024 105172 11:00:03 9154172 12997672 2959116 18.07 147448 3812296 3000620 17.22 909716 5895068 17332 11:10:03 8918916 15374404 572716 3.50 174952 6301348 1096584 6.29 1793540 5129748 372 Average: 9454940 14058799 1896235 11.58 149367 4550488 2174023 12.48 1155927 5330280 40959 10:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:01 lo 545.36 545.36 519.50 519.50 0.00 0.00 0.00 0.00 10:50:01 ens3 126.10 97.78 1304.71 15.55 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:03 lo 1545.80 1545.80 1465.22 1465.22 0.00 0.00 0.00 0.00 11:00:03 ens3 40.19 33.08 23.52 11.75 0.00 0.00 0.00 0.00 11:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:03 lo 850.23 850.23 803.04 803.04 0.00 0.00 0.00 0.00 11:10:03 ens3 85.38 77.17 159.60 416.66 0.00 0.00 0.00 0.00 11:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 981.69 981.69 930.41 930.41 0.00 0.00 0.00 0.00 Average: ens3 83.79 69.26 494.38 147.98 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-19635) 02/21/26 _x86_64_ (4 CPU) 10:39:19 LINUX RESTART (4 CPU) 10:40:03 CPU %user %nice %system %iowait %steal %idle 10:50:01 all 25.23 0.00 1.38 0.25 0.06 73.07 10:50:01 0 23.54 0.00 1.26 0.11 0.06 75.03 10:50:01 1 25.49 0.00 1.62 0.64 0.06 72.20 10:50:01 2 27.35 0.00 1.43 0.16 0.06 71.01 10:50:01 3 24.56 0.00 1.23 0.09 0.06 74.06 11:00:03 all 62.26 0.00 2.38 0.06 0.10 35.19 11:00:03 0 60.30 0.00 2.25 0.07 0.10 37.28 11:00:03 1 63.66 0.00 2.65 0.08 0.10 33.51 11:00:03 2 62.93 0.00 2.54 0.06 0.10 34.37 11:00:03 3 62.16 0.00 2.09 0.05 0.11 35.61 11:10:03 all 52.54 0.00 2.21 0.17 0.10 44.97 11:10:03 0 57.36 0.00 2.37 0.09 0.10 40.07 11:10:03 1 52.28 0.00 2.01 0.06 0.10 45.55 11:10:03 2 50.82 0.00 2.33 0.18 0.10 46.56 11:10:03 3 49.71 0.00 2.12 0.34 0.10 47.72 Average: all 46.71 0.00 1.99 0.16 0.09 51.05 Average: 0 47.08 0.00 1.96 0.09 0.09 50.78 Average: 1 47.18 0.00 2.10 0.26 0.09 50.38 Average: 2 47.07 0.00 2.10 0.13 0.09 50.62 Average: 3 45.51 0.00 1.81 0.16 0.09 52.43