---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-24123 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 9.8G 68G 13% / 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 631 11066 4 4291 15015 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:dc:0a:62 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.38/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82185sec preferred_lft 82185sec inet6 fe80::f816:3eff:fedc:a62/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:ee:6d:43:e1:3b 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-24123) 02/28/26 _x86_64_ (4 CPU) 08:26:59 LINUX RESTART (4 CPU) 08:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:49 3.49 0.40 2.89 0.20 376.30 369.37 283.38 08:50:49 1.12 0.01 1.12 0.00 0.04 13.45 0.00 09:00:01 1.05 0.00 1.05 0.00 0.00 12.80 0.00 09:10:03 1.47 0.39 1.08 0.00 16.19 44.42 0.00 09:20:49 47.84 1.67 33.37 12.80 102.38 2087.77 225364.31 09:30:01 13.52 2.04 10.60 0.88 135.01 2892.52 1866.66 Average: 11.88 0.75 8.66 2.47 109.49 896.26 40771.69 08:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:49 13563972 15515464 500408 3.06 56956 2119940 1137628 6.53 338592 2208768 12 08:50:49 13563720 15515584 500464 3.06 57312 2119956 1137628 6.53 338952 2209352 176 09:00:01 13563468 15515832 500200 3.06 57664 2120092 1137628 6.53 339328 2210564 256 09:10:03 13529896 15497100 518860 3.17 58144 2134376 1149800 6.60 342932 2267392 244 09:20:49 12960256 15500876 476972 2.91 100988 2632300 989600 5.68 481516 2597360 44 09:30:01 10627156 14009232 1950688 11.91 132344 3381716 2534360 14.55 696828 4677672 26536 Average: 12968078 15259015 741265 4.53 77235 2418063 1347774 7.74 423025 2695185 4545 08:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:49 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 08:40:49 ens3 12.41 8.54 118.88 0.61 0.00 0.00 0.00 0.00 08:40:49 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:49 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:50:49 ens3 0.47 0.08 0.06 0.02 0.00 0.00 0.00 0.00 08:50:49 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 09:00:01 ens3 0.46 0.12 0.09 0.04 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:03 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 09:10:03 ens3 11.98 6.86 20.22 3.39 0.00 0.00 0.00 0.00 09:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:49 lo 0.24 0.24 0.02 0.02 0.00 0.00 0.00 0.00 09:20:49 ens3 32.69 24.89 321.51 4.03 0.00 0.00 0.00 0.00 09:20:49 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 lo 1.16 1.16 0.12 0.12 0.00 0.00 0.00 0.00 09:30:01 ens3 98.57 75.66 633.96 17.85 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.29 0.29 0.03 0.03 0.00 0.00 0.00 0.00 Average: ens3 25.37 18.79 179.70 4.15 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-24123) 02/28/26 _x86_64_ (4 CPU) 08:26:59 LINUX RESTART (4 CPU) 08:30:01 CPU %user %nice %system %iowait %steal %idle 08:40:49 all 0.41 0.00 0.10 0.06 0.02 99.41 08:40:49 0 0.30 0.00 0.13 0.11 0.02 99.43 08:40:49 1 0.42 0.00 0.10 0.01 0.02 99.45 08:40:49 2 0.55 0.00 0.08 0.11 0.02 99.24 08:40:49 3 0.38 0.00 0.08 0.02 0.01 99.51 08:50:49 all 0.12 0.00 0.02 0.01 0.02 99.84 08:50:49 0 0.03 0.00 0.03 0.00 0.02 99.93 08:50:49 1 0.02 0.00 0.02 0.00 0.01 99.95 08:50:49 2 0.41 0.00 0.02 0.02 0.02 99.53 08:50:49 3 0.02 0.00 0.02 0.00 0.01 99.94 09:00:01 all 0.13 0.00 0.02 0.01 0.02 99.82 09:00:01 0 0.02 0.00 0.02 0.01 0.01 99.95 09:00:01 1 0.04 0.00 0.03 0.00 0.03 99.90 09:00:01 2 0.46 0.00 0.02 0.02 0.02 99.48 09:00:01 3 0.02 0.00 0.03 0.00 0.01 99.94 09:10:03 all 0.25 0.00 0.04 0.01 0.02 99.68 09:10:03 0 0.12 0.00 0.03 0.02 0.00 99.83 09:10:03 1 0.20 0.00 0.03 0.00 0.01 99.74 09:10:03 2 0.24 0.00 0.04 0.01 0.02 99.69 09:10:03 3 0.45 0.00 0.05 0.01 0.02 99.47 09:20:49 all 2.23 0.00 0.30 0.25 0.02 97.21 09:20:49 0 2.79 0.00 0.43 0.47 0.01 96.30 09:20:49 1 1.69 0.00 0.31 0.37 0.02 97.61 09:20:49 2 2.21 0.00 0.26 0.09 0.02 97.42 09:20:49 3 2.20 0.00 0.21 0.06 0.03 97.50 09:30:01 all 55.84 0.00 1.83 0.06 0.08 42.19 09:30:01 0 54.96 0.00 1.80 0.05 0.07 43.11 09:30:01 1 57.00 0.00 1.90 0.06 0.08 40.96 09:30:01 2 56.03 0.00 1.92 0.06 0.08 41.92 09:30:01 3 55.39 0.00 1.70 0.06 0.08 42.77 Average: all 9.10 0.00 0.37 0.07 0.03 90.44 Average: 0 9.00 0.00 0.39 0.12 0.02 90.48 Average: 1 9.15 0.00 0.38 0.08 0.03 90.37 Average: 2 9.24 0.00 0.37 0.05 0.03 90.31 Average: 3 9.03 0.00 0.33 0.02 0.03 90.59