---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-19351 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 18G 60G 23% / 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 718 10733 3 4537 14928 Swap: 1023 1 1022 ---> 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:8c:5f:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.31/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79426sec preferred_lft 79426sec inet6 fe80::f816:3eff:fe8c:5f07/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:4a:91:ce:5a:be 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-16g-19351) 02/20/26 _x86_64_ (4 CPU) 13:10:07 LINUX RESTART (4 CPU) 13:20:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:11 81.68 23.98 54.30 3.40 352.43 5429.84 4653.98 13:40:00 12.78 0.05 12.01 0.72 1.79 394.13 913.59 13:50:12 9.43 0.14 8.84 0.44 8.99 500.98 485.09 14:00:13 16.36 0.03 15.65 0.69 1.57 500.97 718.34 14:10:01 25.91 0.13 9.21 16.57 2.99 288.27 213684.68 14:20:07 17.97 11.92 5.86 0.19 143.33 166.68 271.43 14:30:00 4.65 0.01 4.47 0.17 1.08 137.17 326.31 14:40:01 5.17 0.00 4.98 0.19 0.31 153.79 117.17 14:50:15 5.59 0.00 5.41 0.17 0.13 154.66 65.28 15:00:16 9.70 0.01 9.27 0.41 0.59 562.19 179.02 Average: 18.82 3.62 12.94 2.26 51.15 824.09 21721.14 13:20:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:11 365584 3661328 12268572 74.93 261008 3027012 13398320 76.91 2174800 13255988 432 13:40:00 3587696 6906360 9025440 55.12 262680 3048236 9709708 55.73 2196456 10018848 548 13:50:12 8814288 12233904 3701568 22.61 266696 3145200 4451988 25.55 2218752 4780860 228 14:00:13 10082944 13569900 2366632 14.45 269184 3210052 3064556 17.59 2242124 3505836 344 14:10:01 7954660 11487296 4448016 27.17 272348 3252568 5179244 29.73 2251728 5608204 320 14:20:07 7776316 11382880 4551928 27.80 277664 3310992 5197676 29.83 2293584 5735144 32 14:30:00 6289864 9914856 6019296 36.76 278192 3328804 6777272 38.90 2295832 7206628 180 14:40:01 6119660 9765844 6168220 37.67 278920 3349204 6875792 39.47 2299240 7384120 180 14:50:15 7858968 11526716 4408252 26.92 279772 3369836 5177336 29.72 2301700 5649056 92 15:00:16 7514248 11307944 4626484 28.26 283360 3485508 5163460 29.64 2316016 5969652 72 Average: 6636423 10175703 5758441 35.17 272982 3252741 6499535 37.31 2259023 6911434 243 13:20:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:11 lo 37.31 37.31 24.28 24.28 0.00 0.00 0.00 0.00 13:30:11 ens3 2.40 2.19 0.71 0.61 0.00 0.00 0.00 0.00 13:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:00 lo 39.17 39.17 15.80 15.80 0.00 0.00 0.00 0.00 13:40:00 ens3 1.31 1.25 0.26 1.14 0.00 0.00 0.00 0.00 13:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:12 lo 12.56 12.56 6.41 6.41 0.00 0.00 0.00 0.00 13:50:12 ens3 0.77 0.50 0.18 0.14 0.00 0.00 0.00 0.00 13:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:13 lo 10.78 10.78 5.18 5.18 0.00 0.00 0.00 0.00 14:00:13 ens3 0.92 0.66 0.24 0.18 0.00 0.00 0.00 0.00 14:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:01 lo 18.92 18.92 10.02 10.02 0.00 0.00 0.00 0.00 14:10:01 ens3 1.09 0.81 0.32 0.24 0.00 0.00 0.00 0.00 14:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:07 lo 27.52 27.52 10.02 10.02 0.00 0.00 0.00 0.00 14:20:07 ens3 0.58 0.41 0.11 0.08 0.00 0.00 0.00 0.00 14:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:00 lo 15.40 15.40 7.63 7.63 0.00 0.00 0.00 0.00 14:30:00 ens3 0.60 0.41 0.12 0.08 0.00 0.00 0.00 0.00 14:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 lo 17.66 17.66 10.56 10.56 0.00 0.00 0.00 0.00 14:40:01 ens3 0.79 0.56 0.20 0.15 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:15 lo 8.16 8.16 4.05 4.05 0.00 0.00 0.00 0.00 14:50:15 ens3 0.45 0.31 0.09 0.06 0.00 0.00 0.00 0.00 14:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:16 lo 19.69 19.69 9.72 9.72 0.00 0.00 0.00 0.00 15:00:16 ens3 0.95 0.79 0.27 0.22 0.00 0.00 0.00 0.00 15:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.64 20.64 10.32 10.32 0.00 0.00 0.00 0.00 Average: ens3 0.98 0.78 0.25 0.29 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-16g-19351) 02/20/26 _x86_64_ (4 CPU) 13:10:07 LINUX RESTART (4 CPU) 13:20:17 CPU %user %nice %system %iowait %steal %idle 13:30:11 all 65.59 0.00 2.38 0.10 0.11 31.82 13:30:11 0 65.34 0.00 2.31 0.07 0.11 32.17 13:30:11 1 66.69 0.00 2.35 0.09 0.11 30.76 13:30:11 2 65.33 0.00 2.38 0.07 0.11 32.11 13:30:11 3 65.01 0.00 2.46 0.17 0.11 32.25 13:40:00 all 27.81 0.00 1.03 0.20 0.10 70.86 13:40:00 0 27.48 0.00 1.09 0.67 0.10 70.66 13:40:00 1 27.94 0.00 1.02 0.05 0.10 70.89 13:40:00 2 28.13 0.00 0.98 0.06 0.10 70.73 13:40:00 3 27.67 0.00 1.04 0.03 0.10 71.15 13:50:12 all 14.77 0.00 0.66 0.04 0.07 84.46 13:50:12 0 15.20 0.00 0.75 0.05 0.07 83.94 13:50:12 1 15.43 0.00 0.72 0.02 0.07 83.75 13:50:12 2 14.45 0.00 0.61 0.03 0.07 84.84 13:50:12 3 14.00 0.00 0.55 0.05 0.08 85.33 14:00:13 all 23.73 0.00 0.78 0.05 0.07 75.37 14:00:13 0 23.51 0.00 0.83 0.03 0.07 75.56 14:00:13 1 24.08 0.00 0.76 0.02 0.08 75.06 14:00:13 2 23.81 0.00 0.81 0.08 0.07 75.23 14:00:13 3 23.52 0.00 0.71 0.08 0.08 75.62 14:10:01 all 18.15 0.00 0.69 0.06 0.07 81.04 14:10:01 0 18.04 0.00 0.64 0.14 0.06 81.12 14:10:01 1 18.12 0.00 0.69 0.04 0.07 81.09 14:10:01 2 18.44 0.00 0.77 0.04 0.09 80.67 14:10:01 3 18.00 0.00 0.65 0.01 0.06 81.27 14:20:07 all 8.40 0.07 0.50 0.08 0.06 90.88 14:20:07 0 8.09 0.00 0.42 0.01 0.06 91.42 14:20:07 1 8.69 0.08 0.51 0.09 0.07 90.57 14:20:07 2 8.74 0.21 0.53 0.17 0.07 90.28 14:20:07 3 8.08 0.01 0.54 0.06 0.06 91.24 14:30:00 all 9.40 0.00 0.41 0.02 0.07 90.11 14:30:00 0 8.93 0.00 0.42 0.02 0.06 90.56 14:30:00 1 9.58 0.00 0.42 0.02 0.07 89.92 14:30:00 2 9.99 0.00 0.38 0.01 0.07 89.54 14:30:00 3 9.11 0.00 0.41 0.02 0.07 90.40 14:40:01 all 9.65 0.00 0.35 0.02 0.07 89.92 14:40:01 0 9.63 0.00 0.37 0.04 0.06 89.89 14:40:01 1 9.86 0.00 0.36 0.01 0.06 89.71 14:40:01 2 9.51 0.00 0.38 0.02 0.07 90.02 14:40:01 3 9.58 0.00 0.29 0.01 0.07 90.05 14:50:15 all 6.53 0.00 0.28 0.02 0.06 93.11 14:50:15 0 6.44 0.00 0.23 0.02 0.05 93.27 14:50:15 1 6.83 0.00 0.31 0.01 0.06 92.79 14:50:15 2 6.51 0.00 0.32 0.05 0.06 93.06 14:50:15 3 6.33 0.00 0.27 0.01 0.06 93.32 15:00:16 all 14.21 0.00 0.62 0.04 0.07 85.05 15:00:16 0 14.05 0.00 0.55 0.03 0.06 85.30 15:00:16 1 14.51 0.00 0.66 0.06 0.07 84.70 15:00:16 2 15.08 0.00 0.71 0.05 0.07 84.10 15:00:16 3 13.21 0.00 0.57 0.04 0.07 86.11 Average: all 19.72 0.01 0.77 0.06 0.07 79.37 Average: 0 19.57 0.00 0.76 0.11 0.07 79.50 Average: 1 20.07 0.01 0.78 0.04 0.07 79.03 Average: 2 19.89 0.02 0.79 0.06 0.08 79.17 Average: 3 19.35 0.00 0.75 0.05 0.07 79.78