---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-21010 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 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 717 10822 4 4449 14929 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:0b:02:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.68/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79533sec preferred_lft 79533sec inet6 fe80::f816:3eff:fe0b:26f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:cf:aa:98:2e:01 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-21010) 02/26/26 _x86_64_ (4 CPU) 11:17:57 LINUX RESTART (4 CPU) 11:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:01 113.20 4.19 103.97 5.04 584.70 35486.05 14773.52 11:40:01 74.04 24.64 31.76 17.64 372.35 3224.85 215005.07 11:50:01 9.28 0.18 8.71 0.38 8.93 254.40 600.62 12:00:01 7.47 0.02 7.07 0.39 0.72 228.24 1514.43 12:10:01 16.52 0.02 15.80 0.69 0.61 707.16 878.61 12:20:01 12.50 0.04 11.94 0.53 1.99 399.04 225.18 12:30:01 5.59 0.01 5.42 0.16 0.68 143.78 67.64 12:40:01 4.51 0.01 4.37 0.13 1.05 140.28 62.94 12:50:01 4.62 0.02 4.45 0.15 0.79 142.23 42.82 13:00:01 9.68 0.03 9.23 0.42 1.69 565.06 127.64 13:10:01 6.94 0.02 6.65 0.27 0.52 262.39 126.02 Average: 24.03 2.65 19.03 2.35 88.56 3778.06 21222.71 11:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:01 1197360 12553296 3366152 20.56 258676 10843728 4415932 25.35 2167092 12189836 401604 11:40:01 4643648 8079820 7851580 47.95 263268 3145148 8906840 51.13 2173736 8970996 4208 11:50:01 7809688 11105848 4826720 29.48 263472 3011720 5546628 31.84 2202036 5761892 76 12:00:01 6300656 9611936 6322768 38.62 264512 3025792 6992288 40.14 2207896 7286684 200 12:10:01 10527896 13975908 1960896 11.98 269684 3154648 2997432 17.21 2258176 3032656 10852 12:20:01 7796696 11294452 4641036 28.35 271864 3202080 5333588 30.61 2262680 5750080 396 12:30:01 7801508 11316896 4618512 28.21 272432 3219096 5297976 30.41 2264020 5731216 568 12:40:01 6300324 9835484 6099056 37.25 272868 3238416 6760356 38.80 2265968 7226308 252 12:50:01 6293064 9848892 6085552 37.17 273320 3258568 6802468 39.05 2269556 7233060 300 13:00:01 11302372 15002908 934216 5.71 277148 3393840 1673844 9.61 2284616 2226956 21784 13:10:01 6724228 10452720 5482076 33.48 278228 3420668 6101924 35.02 2296984 6778196 1048 Average: 6972495 11188924 4744415 28.98 269588 3901246 5529934 31.74 2241160 6562535 40117 11:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:01 lo 3.00 3.00 2.35 2.35 0.00 0.00 0.00 0.00 11:30:01 ens3 139.31 105.85 1963.17 10.64 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 35.95 35.95 19.98 19.98 0.00 0.00 0.00 0.00 11:40:01 ens3 2.16 1.66 0.53 0.43 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 36.37 36.37 14.13 14.13 0.00 0.00 0.00 0.00 11:50:01 ens3 2.00 1.51 0.41 1.01 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 9.55 9.55 5.99 5.99 0.00 0.00 0.00 0.00 12:00:01 ens3 0.83 0.71 0.14 0.61 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 10.15 10.15 4.92 4.92 0.00 0.00 0.00 0.00 12:10:01 ens3 1.00 0.95 0.26 0.22 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 lo 20.87 20.87 10.99 10.99 0.00 0.00 0.00 0.00 12:20:01 ens3 0.85 0.74 0.17 0.14 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 22.05 22.05 8.54 8.54 0.00 0.00 0.00 0.00 12:30:01 ens3 0.67 0.48 0.13 0.10 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 lo 23.49 23.49 10.27 10.27 0.00 0.00 0.00 0.00 12:40:01 ens3 0.73 0.47 0.18 0.12 0.00 0.00 0.00 0.00 12:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:01 lo 14.48 14.48 8.60 8.60 0.00 0.00 0.00 0.00 12:50:01 ens3 0.63 0.48 0.17 0.13 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 17.98 17.98 10.11 10.11 0.00 0.00 0.00 0.00 13:00:01 ens3 1.06 0.83 0.32 0.25 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 29.15 29.15 12.21 12.21 0.00 0.00 0.00 0.00 13:10:01 ens3 2.79 0.92 0.73 0.42 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.28 20.28 9.83 9.83 0.00 0.00 0.00 0.00 Average: ens3 13.82 10.42 178.77 1.28 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-21010) 02/26/26 _x86_64_ (4 CPU) 11:17:57 LINUX RESTART (4 CPU) 11:20:01 CPU %user %nice %system %iowait %steal %idle 11:30:01 all 44.38 0.00 2.27 6.84 0.10 46.42 11:30:01 0 46.12 0.00 2.37 4.65 0.10 46.77 11:30:01 1 44.40 0.00 2.26 4.35 0.10 48.89 11:30:01 2 44.89 0.00 2.17 11.33 0.10 41.51 11:30:01 3 42.11 0.00 2.26 7.02 0.10 48.50 11:40:01 all 49.34 0.00 1.88 1.23 0.13 47.41 11:40:01 0 49.59 0.00 1.80 1.32 0.12 47.17 11:40:01 1 48.58 0.00 1.93 1.32 0.12 48.05 11:40:01 2 50.73 0.00 1.91 1.59 0.12 45.65 11:40:01 3 48.45 0.00 1.89 0.71 0.17 48.78 11:50:01 all 22.40 0.00 1.11 1.54 0.09 74.87 11:50:01 0 22.21 0.00 0.96 1.64 0.09 75.10 11:50:01 1 22.45 0.00 1.27 1.66 0.09 74.53 11:50:01 2 22.67 0.00 1.06 1.26 0.09 74.93 11:50:01 3 22.27 0.00 1.14 1.58 0.08 74.92 12:00:01 all 16.82 0.00 0.72 0.09 0.08 82.30 12:00:01 0 16.20 0.00 0.62 0.17 0.07 82.94 12:00:01 1 16.73 0.00 0.74 0.02 0.11 82.40 12:00:01 2 16.92 0.00 0.81 0.02 0.06 82.18 12:00:01 3 17.42 0.00 0.70 0.14 0.07 81.68 12:10:01 all 25.52 0.00 0.97 0.41 0.08 73.02 12:10:01 0 26.08 0.00 1.07 0.60 0.08 72.17 12:10:01 1 26.60 0.00 1.00 0.76 0.08 71.55 12:10:01 2 24.16 0.00 0.89 0.12 0.08 74.75 12:10:01 3 25.22 0.00 0.93 0.17 0.08 73.61 12:20:01 all 24.36 0.00 0.85 0.15 0.07 74.57 12:20:01 0 24.61 0.00 0.86 0.41 0.07 74.05 12:20:01 1 24.58 0.00 0.85 0.10 0.07 74.40 12:20:01 2 24.49 0.00 0.93 0.03 0.08 74.48 12:20:01 3 23.77 0.00 0.76 0.06 0.08 75.33 12:30:01 all 8.99 0.00 0.41 0.17 0.05 90.38 12:30:01 0 8.88 0.00 0.34 0.13 0.05 90.60 12:30:01 1 9.21 0.00 0.51 0.21 0.05 90.01 12:30:01 2 8.66 0.00 0.47 0.14 0.05 90.68 12:30:01 3 9.19 0.00 0.32 0.22 0.05 90.22 12:40:01 all 10.68 0.00 0.50 0.14 0.07 88.61 12:40:01 0 10.25 0.00 0.55 0.26 0.07 88.86 12:40:01 1 11.10 0.00 0.50 0.10 0.07 88.23 12:40:01 2 11.23 0.00 0.49 0.00 0.07 88.21 12:40:01 3 10.13 0.00 0.46 0.20 0.06 89.15 12:50:01 all 9.65 0.00 0.43 0.04 0.07 89.82 12:50:01 0 9.37 0.00 0.46 0.01 0.07 90.09 12:50:01 1 9.73 0.00 0.46 0.03 0.07 89.72 12:50:01 2 9.72 0.00 0.41 0.06 0.07 89.75 12:50:01 3 9.78 0.00 0.38 0.07 0.06 89.71 13:00:01 all 14.33 0.00 0.65 0.30 0.06 84.67 13:00:01 0 14.36 0.00 0.63 0.15 0.06 84.79 13:00:01 1 14.33 0.00 0.73 0.76 0.07 84.11 13:00:01 2 14.36 0.00 0.63 0.18 0.07 84.77 13:00:01 3 14.27 0.00 0.59 0.09 0.06 84.99 13:10:01 all 15.86 0.00 0.56 0.09 0.07 83.42 13:10:01 0 15.76 0.00 0.58 0.01 0.07 83.59 13:10:01 1 15.99 0.00 0.59 0.18 0.07 83.18 13:10:01 2 15.91 0.00 0.62 0.04 0.07 83.36 13:10:01 3 15.79 0.00 0.45 0.15 0.07 83.54 Average: CPU %user %nice %system %iowait %steal %idle Average: all 22.02 0.00 0.94 1.00 0.08 75.96 Average: 0 22.12 0.00 0.93 0.85 0.08 76.03 Average: 1 22.14 0.00 0.99 0.86 0.08 75.93 Average: 2 22.15 0.00 0.95 1.34 0.08 75.49 Average: 3 21.67 0.00 0.90 0.95 0.08 76.41