---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-29995 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 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 715 10752 3 4521 14931 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:07:82:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79413sec preferred_lft 79413sec inet6 fe80::f816:3eff:fe07:8207/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:ad:8d:b0:7b:b0 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::30ad:8dff:feb0:7bb0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-29995) 03/25/26 _x86_64_ (4 CPU) 07:00:21 LINUX RESTART (4 CPU) 07:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:09 73.92 23.03 47.86 3.02 325.34 5489.78 3873.59 07:30:13 14.54 0.25 13.55 0.74 7.78 343.31 764.39 07:40:05 7.77 0.10 7.25 0.43 5.62 275.44 1497.49 07:50:13 15.22 0.13 14.43 0.66 2.54 690.54 783.72 08:00:13 14.44 0.02 13.75 0.67 1.13 446.93 252.71 08:10:13 4.49 0.01 4.33 0.16 0.31 130.91 77.27 08:20:21 5.02 0.01 4.83 0.18 1.29 146.41 88.46 08:30:21 5.73 0.01 5.53 0.20 0.36 163.20 96.05 08:40:21 9.54 0.11 9.01 0.41 4.33 579.97 131.49 08:50:21 5.94 0.01 5.76 0.17 1.07 173.36 40.79 Average: 15.72 2.39 12.67 0.67 35.25 848.74 762.36 07:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:09 4439828 7767940 8165364 49.87 265736 3037232 9466656 54.34 2116772 9231188 1212 07:30:13 3796388 7133192 8800476 53.75 267876 3044264 9591276 55.05 2137660 9839812 404 07:40:05 6297200 9658044 6277952 38.34 269136 3067048 7026116 40.33 2146472 7335512 276 07:50:13 10138020 13628400 2309880 14.11 274264 3191428 3106080 17.83 2185420 3486152 36 08:00:13 7928532 11483852 4453220 27.20 276304 3254332 5266080 30.23 2189920 5685624 152 08:10:13 7777136 11350628 4586216 28.01 276812 3272020 5302132 30.43 2191104 5833768 192 08:20:21 6325028 9919364 6016732 36.75 277424 3292236 6784276 38.94 2193320 7270836 88 08:30:21 6374848 9991428 5944644 36.31 278084 3313820 6720072 38.57 2196756 7230680 116 08:40:21 7749192 11497504 4439416 27.11 282452 3436532 5220244 29.96 2205592 5833536 88 08:50:21 7524140 11298324 4638412 28.33 283000 3461656 5240352 30.08 2214168 6042352 84 Average: 6835031 10372868 5563231 33.98 275109 3237057 6372328 36.58 2177718 6778946 265 07:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:09 lo 27.40 27.40 19.43 19.43 0.00 0.00 0.00 0.00 07:20:09 ens3 2.56 2.41 0.76 1.70 0.00 0.00 0.00 0.00 07:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:13 lo 39.95 39.95 15.87 15.87 0.00 0.00 0.00 0.00 07:30:13 ens3 1.48 1.08 0.31 0.24 0.00 0.00 0.00 0.00 07:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:05 lo 16.80 16.80 8.52 8.52 0.00 0.00 0.00 0.00 07:40:05 ens3 1.61 0.57 0.34 0.19 0.00 0.00 0.00 0.00 07:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:13 lo 11.07 11.07 5.41 5.41 0.00 0.00 0.00 0.00 07:50:13 ens3 1.42 0.79 0.31 0.21 0.00 0.00 0.00 0.00 07:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:13 lo 19.33 19.33 10.00 10.00 0.00 0.00 0.00 0.00 08:00:13 ens3 1.15 0.73 0.26 0.19 0.00 0.00 0.00 0.00 08:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:13 lo 22.12 22.12 8.98 8.98 0.00 0.00 0.00 0.00 08:10:13 ens3 0.96 0.57 0.22 0.15 0.00 0.00 0.00 0.00 08:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:21 lo 19.11 19.11 8.22 8.22 0.00 0.00 0.00 0.00 08:20:21 ens3 0.69 0.33 0.13 0.08 0.00 0.00 0.00 0.00 08:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:21 lo 19.18 19.18 10.35 10.35 0.00 0.00 0.00 0.00 08:30:21 ens3 0.90 0.59 0.21 0.15 0.00 0.00 0.00 0.00 08:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:21 lo 17.04 17.04 9.95 9.95 0.00 0.00 0.00 0.00 08:40:21 ens3 0.93 0.85 0.26 0.22 0.00 0.00 0.00 0.00 08:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:21 lo 15.88 15.88 6.71 6.71 0.00 0.00 0.00 0.00 08:50:21 ens3 1.06 0.57 0.24 0.16 0.00 0.00 0.00 0.00 08:50:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.80 20.80 10.35 10.35 0.00 0.00 0.00 0.00 Average: ens3 1.28 0.85 0.31 0.33 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-29995) 03/25/26 _x86_64_ (4 CPU) 07:00:21 LINUX RESTART (4 CPU) 07:10:02 CPU %user %nice %system %iowait %steal %idle 07:20:09 all 66.39 0.00 2.69 0.17 0.18 30.57 07:20:09 0 66.21 0.00 2.73 0.25 0.18 30.62 07:20:09 1 65.54 0.00 2.72 0.21 0.18 31.36 07:20:09 2 67.43 0.00 2.53 0.15 0.18 29.71 07:20:09 3 66.39 0.00 2.76 0.09 0.18 30.58 07:30:13 all 35.29 0.00 1.51 0.04 0.14 63.01 07:30:13 0 34.32 0.00 1.40 0.01 0.14 64.12 07:30:13 1 35.45 0.00 1.63 0.05 0.14 62.73 07:30:13 2 36.20 0.00 1.41 0.05 0.14 62.20 07:30:13 3 35.19 0.00 1.59 0.07 0.14 63.01 07:40:05 all 20.85 0.00 0.92 0.04 0.11 78.08 07:40:05 0 20.78 0.00 0.89 0.05 0.10 78.18 07:40:05 1 20.36 0.00 0.94 0.01 0.12 78.58 07:40:05 2 21.23 0.00 0.95 0.07 0.11 77.64 07:40:05 3 21.03 0.00 0.92 0.02 0.11 77.92 07:50:13 all 24.41 0.00 0.89 0.05 0.09 74.55 07:50:13 0 24.61 0.00 0.91 0.05 0.08 74.35 07:50:13 1 24.93 0.00 0.88 0.07 0.09 74.03 07:50:13 2 23.44 0.00 0.99 0.04 0.09 75.45 07:50:13 3 24.67 0.00 0.80 0.06 0.09 74.38 08:00:13 all 28.22 0.00 0.97 0.04 0.09 70.68 08:00:13 0 28.43 0.00 1.05 0.02 0.09 70.41 08:00:13 1 28.52 0.00 0.83 0.09 0.10 70.45 08:00:13 2 28.96 0.00 1.03 0.02 0.09 69.90 08:00:13 3 26.95 0.00 0.96 0.05 0.10 71.95 08:10:13 all 8.98 0.00 0.45 0.04 0.07 90.47 08:10:13 0 8.44 0.00 0.38 0.00 0.07 91.11 08:10:13 1 9.07 0.00 0.51 0.01 0.07 90.35 08:10:13 2 9.33 0.00 0.43 0.11 0.07 90.06 08:10:13 3 9.06 0.00 0.46 0.04 0.07 90.36 08:20:21 all 10.58 0.00 0.55 0.02 0.07 88.79 08:20:21 0 10.55 0.00 0.49 0.04 0.06 88.87 08:20:21 1 10.72 0.00 0.63 0.01 0.07 88.57 08:20:21 2 10.88 0.00 0.57 0.01 0.07 88.46 08:20:21 3 10.17 0.00 0.50 0.01 0.07 89.25 08:30:21 all 11.61 0.00 0.54 0.02 0.07 87.76 08:30:21 0 11.53 0.00 0.60 0.03 0.07 87.77 08:30:21 1 11.86 0.00 0.53 0.01 0.07 87.53 08:30:21 2 11.86 0.00 0.55 0.01 0.08 87.51 08:30:21 3 11.18 0.00 0.47 0.04 0.07 88.24 08:40:21 all 14.21 0.00 0.62 0.04 0.07 85.07 08:40:21 0 13.92 0.00 0.58 0.06 0.07 85.37 08:40:21 1 14.71 0.00 0.65 0.03 0.07 84.54 08:40:21 2 14.18 0.00 0.56 0.01 0.06 85.19 08:40:21 3 14.05 0.00 0.67 0.06 0.06 85.16 08:50:21 all 8.67 0.00 0.42 0.02 0.06 90.82 08:50:21 0 8.71 0.00 0.44 0.05 0.06 90.74 08:50:21 1 8.46 0.00 0.46 0.01 0.06 91.01 08:50:21 2 9.08 0.00 0.40 0.01 0.06 90.44 08:50:21 3 8.43 0.00 0.39 0.02 0.06 91.10 Average: all 22.97 0.00 0.96 0.05 0.09 75.93 Average: 0 22.80 0.00 0.95 0.06 0.09 76.10 Average: 1 23.00 0.00 0.98 0.05 0.10 75.87 Average: 2 23.31 0.00 0.94 0.05 0.10 75.60 Average: 3 22.76 0.00 0.95 0.04 0.09 76.15