---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-18514 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 707 10900 4 4381 14939 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:ef:13:5d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79491sec preferred_lft 79491sec inet6 fe80::f816:3eff:feef:135d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:2a:ad:8d:80:46 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::342a:adff:fe8d:8046/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-18514) 03/23/26 _x86_64_ (4 CPU) 19:34:20 LINUX RESTART (4 CPU) 19:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:50:10 68.21 3.36 61.98 2.87 139.41 11630.50 4165.70 20:00:10 50.05 22.43 26.10 1.51 275.13 1657.38 812.00 20:10:11 23.80 0.21 8.15 15.44 8.67 287.20 212326.86 20:20:26 15.68 0.02 15.02 0.65 0.61 713.92 836.12 20:30:13 11.84 0.01 11.38 0.45 0.42 352.07 189.68 20:40:12 5.65 0.00 5.49 0.15 0.27 138.95 285.27 20:50:27 5.71 0.00 5.53 0.17 0.18 148.74 148.74 21:00:28 5.34 0.02 5.17 0.16 1.28 147.69 247.07 21:10:28 5.25 0.00 5.06 0.18 0.31 152.42 65.79 21:20:29 11.53 0.04 10.97 0.52 4.14 686.03 256.05 Average: 20.27 2.60 15.46 2.21 42.92 1587.79 21901.35 19:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:50:10 156068 3508868 12420648 75.86 259584 3049396 13327408 76.50 2057844 13542864 252 20:00:10 4116652 7307836 8626708 52.69 269228 2917580 9474676 54.38 2115412 9568528 300 20:10:11 6567084 9788112 6148604 37.55 270620 2946024 7001144 40.19 2129432 7112252 52 20:20:26 10338148 13685328 2253720 13.76 276168 3066632 3034368 17.42 2178820 3311656 272 20:30:13 8075724 11470316 4467604 27.29 277720 3112500 5224356 29.99 2182300 5563692 264 20:40:12 7906820 11316268 4621532 28.23 278132 3126944 5378540 30.87 2183140 5740520 72 20:50:27 7878352 11306004 4631744 28.29 278720 3144588 5296988 30.40 2184344 5742432 256 21:00:28 6380164 9826952 6110096 37.32 279320 3163112 6880852 39.50 2186584 7257048 300 21:10:28 6231192 9699424 6237500 38.10 280004 3183888 7032036 40.36 2189944 7402540 656 21:20:29 7609992 11231316 4706496 28.75 284660 3326740 5343964 30.67 2207060 6001700 480 Average: 6526020 9914042 6022465 36.78 275416 3103740 6799433 39.03 2161488 7124323 290 19:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:50:10 lo 17.58 17.58 14.46 14.46 0.00 0.00 0.00 0.00 19:50:10 ens3 26.15 19.82 390.43 2.03 0.00 0.00 0.00 0.00 19:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:10 lo 39.84 39.84 18.62 18.62 0.00 0.00 0.00 0.00 20:00:10 ens3 2.17 1.86 0.50 1.39 0.00 0.00 0.00 0.00 20:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:11 lo 25.53 25.53 11.63 11.63 0.00 0.00 0.00 0.00 20:10:11 ens3 1.46 0.63 0.28 0.16 0.00 0.00 0.00 0.00 20:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:26 lo 12.19 12.19 6.00 6.00 0.00 0.00 0.00 0.00 20:20:26 ens3 0.99 0.75 0.26 0.20 0.00 0.00 0.00 0.00 20:20:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:13 lo 12.51 12.51 6.51 6.51 0.00 0.00 0.00 0.00 20:30:13 ens3 0.89 0.54 0.17 0.12 0.00 0.00 0.00 0.00 20:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:12 lo 17.22 17.22 8.49 8.49 0.00 0.00 0.00 0.00 20:40:12 ens3 1.09 0.58 0.25 0.16 0.00 0.00 0.00 0.00 20:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:27 lo 23.92 23.92 8.01 8.01 0.00 0.00 0.00 0.00 20:50:27 ens3 0.53 0.31 0.09 0.06 0.00 0.00 0.00 0.00 20:50:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:28 lo 15.28 15.28 7.85 7.85 0.00 0.00 0.00 0.00 21:00:28 ens3 0.67 0.47 0.15 0.11 0.00 0.00 0.00 0.00 21:00:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:28 lo 18.94 18.94 10.91 10.91 0.00 0.00 0.00 0.00 21:10:28 ens3 0.91 0.52 0.21 0.14 0.00 0.00 0.00 0.00 21:10:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:29 lo 17.95 17.95 10.00 10.00 0.00 0.00 0.00 0.00 21:20:29 ens3 1.10 0.90 0.28 0.23 0.00 0.00 0.00 0.00 21:20:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.10 20.10 10.24 10.24 0.00 0.00 0.00 0.00 Average: ens3 3.59 2.63 39.13 0.46 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-18514) 03/23/26 _x86_64_ (4 CPU) 19:34:20 LINUX RESTART (4 CPU) 19:40:10 CPU %user %nice %system %iowait %steal %idle 19:50:10 all 44.99 0.00 1.83 0.18 0.09 52.91 19:50:10 0 45.53 0.00 1.77 0.09 0.09 52.51 19:50:10 1 44.48 0.00 1.82 0.20 0.10 53.41 19:50:10 2 45.59 0.00 1.77 0.25 0.09 52.29 19:50:10 3 44.35 0.00 1.93 0.19 0.09 53.45 20:00:10 all 46.29 0.00 1.69 0.12 0.11 51.78 20:00:10 0 45.50 0.00 1.69 0.17 0.11 52.53 20:00:10 1 47.66 0.00 1.63 0.08 0.11 50.52 20:00:10 2 45.72 0.00 1.78 0.14 0.11 52.26 20:00:10 3 46.27 0.00 1.68 0.10 0.11 51.83 20:10:11 all 18.08 0.00 0.79 0.06 0.11 80.97 20:10:11 0 18.39 0.00 0.83 0.09 0.11 80.58 20:10:11 1 18.13 0.00 0.73 0.05 0.11 80.98 20:10:11 2 18.31 0.00 0.91 0.05 0.11 80.61 20:10:11 3 17.47 0.00 0.69 0.04 0.11 81.70 20:20:26 all 21.30 0.00 0.80 0.05 0.09 77.75 20:20:26 0 20.23 0.00 0.77 0.02 0.08 78.90 20:20:26 1 21.96 0.00 0.88 0.09 0.10 76.97 20:20:26 2 21.31 0.00 0.77 0.04 0.09 77.79 20:20:26 3 21.69 0.00 0.80 0.06 0.10 77.35 20:30:13 all 18.37 0.00 0.60 0.04 0.09 80.91 20:30:13 0 18.40 0.00 0.55 0.07 0.09 80.89 20:30:13 1 17.97 0.00 0.68 0.03 0.09 81.22 20:30:13 2 18.76 0.00 0.58 0.02 0.09 80.55 20:30:13 3 18.32 0.00 0.59 0.03 0.08 80.98 20:40:12 all 7.82 0.00 0.31 0.02 0.09 91.75 20:40:12 0 7.99 0.00 0.36 0.03 0.09 91.53 20:40:12 1 7.74 0.00 0.29 0.05 0.09 91.83 20:40:12 2 7.97 0.00 0.28 0.00 0.10 91.65 20:40:12 3 7.59 0.00 0.30 0.02 0.09 92.00 20:50:27 all 7.80 0.00 0.40 0.03 0.09 91.68 20:50:27 0 7.68 0.00 0.40 0.02 0.09 91.81 20:50:27 1 8.08 0.00 0.43 0.07 0.10 91.33 20:50:27 2 7.80 0.00 0.41 0.01 0.09 91.68 20:50:27 3 7.65 0.00 0.36 0.01 0.08 91.89 21:00:28 all 9.19 0.00 0.41 0.02 0.09 90.29 21:00:28 0 9.35 0.00 0.39 0.02 0.09 90.15 21:00:28 1 9.13 0.00 0.32 0.06 0.10 90.40 21:00:28 2 8.94 0.00 0.51 0.01 0.10 90.44 21:00:28 3 9.33 0.00 0.40 0.01 0.08 90.17 21:10:28 all 9.64 0.00 0.48 0.02 0.09 89.75 21:10:28 0 9.37 0.00 0.41 0.02 0.10 90.11 21:10:28 1 10.03 0.00 0.53 0.04 0.10 89.31 21:10:28 2 9.81 0.00 0.55 0.02 0.10 89.53 21:10:28 3 9.37 0.00 0.45 0.01 0.09 90.08 21:20:29 all 19.09 0.00 0.65 0.04 0.09 80.13 21:20:29 0 19.04 0.00 0.79 0.09 0.09 79.99 21:20:29 1 19.90 0.00 0.70 0.02 0.09 79.28 21:20:29 2 18.90 0.00 0.46 0.06 0.10 80.49 21:20:29 3 18.51 0.00 0.64 0.01 0.09 80.75 Average: all 20.23 0.00 0.80 0.06 0.10 78.82 Average: 0 20.12 0.00 0.80 0.06 0.09 78.93 Average: 1 20.48 0.00 0.80 0.07 0.10 78.55 Average: 2 20.28 0.00 0.80 0.06 0.10 78.76 Average: 3 20.03 0.00 0.78 0.05 0.09 79.05