---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-12965 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 61G 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 724 9987 3 5277 14922 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:49:7c:01 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79635sec preferred_lft 79635sec inet6 fe80::f816:3eff:fe49:7c01/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:03:a0:58:f6:59 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 inet6 fe80::d803:a0ff:fe58:f659/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-12965) 05/12/26 _x86_64_ (4 CPU) 12:55:52 LINUX RESTART (4 CPU) 13:00:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:26 48.81 1.93 44.14 2.74 104.33 21932.88 10535.37 13:20:26 39.32 20.16 18.13 1.04 247.91 1312.89 978.30 13:30:26 20.03 0.10 4.47 15.46 2.47 118.23 212673.75 13:40:17 15.22 0.02 14.49 0.71 0.57 621.99 787.77 13:50:26 14.43 0.01 13.72 0.70 0.55 389.38 301.95 14:00:26 4.89 0.00 4.71 0.18 0.55 122.29 40.15 14:10:00 5.04 0.01 4.85 0.19 1.10 141.53 226.99 14:20:01 5.24 0.00 5.04 0.20 0.31 136.40 94.93 14:30:11 9.25 0.05 8.81 0.40 1.36 525.28 99.41 14:40:02 4.93 0.01 4.78 0.14 0.38 140.18 171.06 Average: 16.77 2.24 12.35 2.18 36.10 2554.25 22681.30 13:00:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:26 1190744 5155732 10772492 65.79 256432 3619804 11689424 67.10 1803144 12712816 240 13:20:26 7048760 11356352 4576848 27.95 267636 3948372 5364412 30.79 2024776 6656916 168 13:30:26 6797536 11117680 4815392 29.41 268820 3959792 5494896 31.54 2046260 6884428 224 13:40:17 10859068 15300388 634760 3.88 274176 4070044 1363332 7.83 2084096 2789120 7140 13:50:26 7033804 11514324 4418808 26.99 277048 4106304 5146360 29.54 2089464 6611108 80 14:00:26 6863008 11358860 4574240 27.94 278040 4120620 5295204 30.39 2091208 6759540 556 14:10:00 5311160 9825028 6107308 37.30 278836 4137764 6795204 39.00 2093608 8322940 360 14:20:01 5379120 9910928 6021336 36.78 279688 4154832 6744300 38.71 2097284 8247124 368 14:30:11 6769336 11422056 4510524 27.55 283552 4266284 5269840 30.25 2105912 6847812 144 14:40:02 6611196 11284492 4648172 28.39 283988 4286340 5259328 30.19 2114200 6994376 340 Average: 6386373 10824584 5107988 31.20 274822 4067016 5842230 33.53 2054995 7282618 962 13:00:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:26 lo 9.22 9.22 7.39 7.39 0.00 0.00 0.00 0.00 13:10:26 ens3 41.82 30.44 650.77 4.35 0.00 0.00 0.00 0.00 13:10:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:26 lo 17.04 17.04 9.06 9.06 0.00 0.00 0.00 0.00 13:20:26 ens3 1.51 1.10 0.42 0.35 0.00 0.00 0.00 0.00 13:20:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:26 lo 13.44 13.44 6.47 6.47 0.00 0.00 0.00 0.00 13:30:26 ens3 0.64 0.44 0.12 0.09 0.00 0.00 0.00 0.00 13:30:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:17 lo 7.98 7.98 4.04 4.04 0.00 0.00 0.00 0.00 13:40:17 ens3 0.92 0.79 0.24 0.20 0.00 0.00 0.00 0.00 13:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:26 lo 20.57 20.57 10.82 10.82 0.00 0.00 0.00 0.00 13:50:26 ens3 0.92 0.71 0.23 0.18 0.00 0.00 0.00 0.00 13:50:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:26 lo 23.09 23.09 8.85 8.85 0.00 0.00 0.00 0.00 14:00:26 ens3 0.70 0.57 0.18 0.14 0.00 0.00 0.00 0.00 14:00:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:00 lo 25.34 25.34 11.28 11.28 0.00 0.00 0.00 0.00 14:10:00 ens3 0.57 0.55 0.12 0.10 0.00 0.00 0.00 0.00 14:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 lo 12.66 12.66 7.76 7.76 0.00 0.00 0.00 0.00 14:20:01 ens3 0.51 0.41 0.11 0.08 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:11 lo 17.66 17.66 9.96 9.96 0.00 0.00 0.00 0.00 14:30:11 ens3 0.80 0.71 0.22 0.18 0.00 0.00 0.00 0.00 14:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:02 lo 7.83 7.83 3.64 3.64 0.00 0.00 0.00 0.00 14:40:02 ens3 0.58 0.38 0.16 0.11 0.00 0.00 0.00 0.00 14:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 15.48 15.48 7.93 7.93 0.00 0.00 0.00 0.00 Average: ens3 4.91 3.62 65.53 0.58 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-12965) 05/12/26 _x86_64_ (4 CPU) 12:55:52 LINUX RESTART (4 CPU) 13:00:26 CPU %user %nice %system %iowait %steal %idle 13:10:26 all 26.38 0.00 1.49 11.97 0.08 60.08 13:10:26 0 27.05 0.00 1.28 9.20 0.08 62.39 13:10:26 1 27.35 0.00 1.60 18.25 0.09 52.71 13:10:26 2 24.82 0.00 1.52 11.66 0.08 61.91 13:10:26 3 26.32 0.00 1.57 8.75 0.08 63.29 13:20:26 all 24.93 0.00 1.05 0.26 0.08 73.67 13:20:26 0 25.68 0.00 0.89 0.14 0.08 73.21 13:20:26 1 24.36 0.00 1.02 0.13 0.09 74.40 13:20:26 2 24.54 0.00 1.05 0.11 0.09 74.21 13:20:26 3 25.15 0.00 1.22 0.66 0.08 72.88 13:30:26 all 9.92 0.00 0.56 0.03 0.05 89.44 13:30:26 0 9.79 0.00 0.44 0.05 0.05 89.68 13:30:26 1 10.05 0.00 0.57 0.01 0.06 89.31 13:30:26 2 9.39 0.00 0.67 0.05 0.06 89.82 13:30:26 3 10.45 0.00 0.55 0.01 0.06 88.93 13:40:17 all 22.78 0.00 0.92 0.06 0.08 76.16 13:40:17 0 22.82 0.00 0.85 0.09 0.07 76.18 13:40:17 1 22.90 0.00 0.88 0.03 0.08 76.11 13:40:17 2 23.54 0.00 1.00 0.04 0.09 75.34 13:40:17 3 21.85 0.00 0.96 0.08 0.08 77.02 13:50:26 all 25.03 0.00 0.82 0.05 0.09 74.01 13:50:26 0 24.18 0.00 0.82 0.03 0.08 74.89 13:50:26 1 25.93 0.00 0.93 0.08 0.09 72.97 13:50:26 2 24.97 0.00 0.74 0.07 0.09 74.13 13:50:26 3 25.03 0.00 0.80 0.03 0.09 74.05 14:00:26 all 8.28 0.00 0.43 0.02 0.08 91.19 14:00:26 0 8.38 0.00 0.39 0.04 0.09 91.10 14:00:26 1 8.15 0.00 0.46 0.03 0.09 91.28 14:00:26 2 8.28 0.00 0.41 0.01 0.08 91.22 14:00:26 3 8.30 0.00 0.46 0.01 0.07 91.16 14:10:00 all 10.48 0.00 0.41 0.02 0.08 89.00 14:10:00 0 10.36 0.00 0.41 0.02 0.08 89.13 14:10:00 1 11.00 0.00 0.42 0.01 0.08 88.48 14:10:00 2 10.70 0.00 0.47 0.03 0.09 88.72 14:10:00 3 9.87 0.00 0.35 0.03 0.08 89.67 14:20:01 all 9.36 0.00 0.45 0.02 0.08 90.09 14:20:01 0 9.21 0.00 0.47 0.03 0.08 90.22 14:20:01 1 9.51 0.00 0.46 0.02 0.07 89.93 14:20:01 2 9.50 0.00 0.46 0.01 0.09 89.94 14:20:01 3 9.22 0.00 0.42 0.03 0.07 90.25 14:30:11 all 13.49 0.00 0.57 0.03 0.08 85.83 14:30:11 0 13.85 0.00 0.45 0.02 0.07 85.61 14:30:11 1 13.25 0.00 0.61 0.03 0.07 86.04 14:30:11 2 13.28 0.00 0.58 0.04 0.08 86.02 14:30:11 3 13.58 0.00 0.63 0.04 0.08 85.66 14:40:02 all 7.34 0.00 0.36 0.64 0.07 91.59 14:40:02 0 7.25 0.00 0.39 0.46 0.06 91.84 14:40:02 1 7.25 0.00 0.44 1.82 0.09 90.41 14:40:02 2 7.60 0.00 0.32 0.24 0.07 91.76 14:40:02 3 7.27 0.00 0.27 0.03 0.08 92.36 Average: all 15.83 0.00 0.71 1.31 0.08 82.08 Average: 0 15.88 0.00 0.64 1.01 0.07 82.40 Average: 1 16.00 0.00 0.74 2.04 0.08 81.14 Average: 2 15.68 0.00 0.72 1.23 0.08 82.29 Average: 3 15.74 0.00 0.73 0.97 0.08 82.49