---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-43811 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 685 11285 3 4018 14961 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:14:ac:44 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.183/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79135sec preferred_lft 79135sec inet6 fe80::f816:3eff:fe14:ac44/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:35:bf:cd:a9:f3 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::2c35:bfff:fecd:a9f3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-43811) 03/25/26 _x86_64_ (4 CPU) 10:44:15 LINUX RESTART (4 CPU) 10:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:03 102.04 22.69 75.90 3.45 349.52 17304.60 7124.39 11:10:04 28.42 8.93 18.48 1.01 171.73 496.44 1245.52 11:20:03 4.77 0.20 4.35 0.23 9.84 165.88 530.68 11:30:22 6.95 0.05 6.57 0.32 1.71 218.84 446.17 11:40:01 20.27 0.04 19.29 0.93 2.14 864.27 1678.28 11:50:23 9.50 0.02 9.08 0.40 0.85 274.62 612.70 12:00:24 20.73 0.13 5.32 15.28 2.08 137.98 211104.32 12:10:01 5.67 0.01 5.48 0.19 1.12 153.94 392.42 12:20:04 6.24 0.03 6.00 0.21 1.15 165.94 75.11 12:30:04 7.55 0.02 7.24 0.29 3.53 380.52 144.82 12:40:01 9.52 0.41 8.77 0.34 10.47 399.56 338.55 Average: 20.14 2.96 15.12 2.06 50.45 1870.92 20364.38 10:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:03 159556 3943932 11985924 73.21 264700 3477328 13260016 76.11 2097732 13499164 2004 11:10:04 3448332 6260684 9676408 59.10 264404 2580212 10861292 62.34 2100292 10284928 424 11:20:03 8262792 11092280 4847764 29.61 265120 2596460 5611860 32.21 2110976 5473840 520 11:30:22 6806352 9652716 6286848 38.40 266212 2612244 7037368 40.39 2115700 6931408 156 11:40:01 10665040 13659880 2282284 13.94 272304 2754708 3003908 17.24 2155824 3058664 300 11:50:23 8353896 11387372 4553108 27.81 273476 2792172 5336392 30.63 2158464 5357772 280 12:00:24 8336008 11392608 4547856 27.78 275972 2812796 5268144 30.24 2166352 5356848 124 12:10:01 6952960 10028768 5910900 36.10 276560 2831408 6753536 38.77 2168368 6740340 120 12:20:04 6843100 9940332 5999280 36.64 277200 2852188 6783848 38.94 2171828 6847528 272 12:30:04 11563164 14783924 1158784 7.08 281292 2970168 1919532 11.02 2179780 2127044 55740 12:40:01 11118400 14391084 1550876 9.47 282172 3020932 2954208 16.96 2200600 2556748 23696 Average: 7500873 10593962 5345457 32.65 272674 2845511 6253646 35.90 2147811 6203117 7603 10:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:03 lo 17.23 17.23 15.28 15.28 0.00 0.00 0.00 0.00 11:00:03 ens3 37.49 28.18 643.47 3.20 0.00 0.00 0.00 0.00 11:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:04 lo 38.60 38.60 16.83 16.83 0.00 0.00 0.00 0.00 11:10:04 ens3 2.02 1.78 0.42 1.42 0.00 0.00 0.00 0.00 11:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:03 lo 21.65 21.65 8.13 8.13 0.00 0.00 0.00 0.00 11:20:03 ens3 1.09 0.60 0.22 0.14 0.00 0.00 0.00 0.00 11:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:22 lo 9.50 9.50 5.94 5.94 0.00 0.00 0.00 0.00 11:30:22 ens3 0.86 0.39 0.20 0.12 0.00 0.00 0.00 0.00 11:30:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 13.29 13.29 6.67 6.67 0.00 0.00 0.00 0.00 11:40:01 ens3 1.54 0.92 0.37 0.27 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 11:50:23 lo 19.26 19.26 10.01 10.01 0.00 0.00 0.00 0.00 11:50:23 ens3 1.47 0.71 0.33 0.21 0.00 0.00 0.00 0.00 11:50:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:24 lo 16.77 16.77 6.43 6.43 0.00 0.00 0.00 0.00 12:00:24 ens3 1.40 0.46 0.27 0.15 0.00 0.00 0.00 0.00 12:00:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 19.74 19.74 8.24 8.24 0.00 0.00 0.00 0.00 12:10:01 ens3 1.24 0.41 0.30 0.18 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 12:20:04 lo 19.19 19.19 10.08 10.08 0.00 0.00 0.00 0.00 12:20:04 ens3 0.93 0.58 0.20 0.14 0.00 0.00 0.00 0.00 12:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:04 lo 14.38 14.38 7.85 7.85 0.00 0.00 0.00 0.00 12:30:04 ens3 1.08 0.74 0.31 0.23 0.00 0.00 0.00 0.00 12:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 lo 23.37 23.37 10.97 10.97 0.00 0.00 0.00 0.00 12:40:01 ens3 1.91 0.94 0.59 0.40 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 Average: lo 19.35 19.35 9.68 9.68 0.00 0.00 0.00 0.00 Average: ens3 4.65 3.25 58.91 0.59 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-43811) 03/25/26 _x86_64_ (4 CPU) 10:44:15 LINUX RESTART (4 CPU) 10:50:02 CPU %user %nice %system %iowait %steal %idle 11:00:03 all 56.22 0.00 2.32 1.15 0.15 40.16 11:00:03 0 56.63 0.00 2.24 0.73 0.15 40.25 11:00:03 1 54.73 0.00 2.39 1.74 0.14 41.00 11:00:03 2 56.05 0.00 2.36 0.90 0.15 40.54 11:00:03 3 57.47 0.00 2.29 1.22 0.15 38.87 11:10:04 all 40.77 0.00 1.77 0.20 0.14 57.12 11:10:04 0 39.33 0.00 1.70 0.37 0.13 58.46 11:10:04 1 41.25 0.00 1.89 0.14 0.15 56.57 11:10:04 2 40.90 0.00 1.75 0.10 0.14 57.11 11:10:04 3 41.59 0.00 1.75 0.20 0.14 56.32 11:20:03 all 11.09 0.00 0.68 0.07 0.08 88.08 11:20:03 0 11.20 0.00 0.66 0.14 0.08 87.93 11:20:03 1 11.16 0.00 0.77 0.01 0.09 87.97 11:20:03 2 11.15 0.00 0.63 0.09 0.08 88.05 11:20:03 3 10.86 0.00 0.67 0.02 0.09 88.35 11:30:22 all 16.34 0.00 0.64 0.02 0.08 82.92 11:30:22 0 16.32 0.00 0.57 0.02 0.08 83.02 11:30:22 1 15.74 0.00 0.54 0.03 0.08 83.61 11:30:22 2 16.95 0.00 0.70 0.01 0.08 82.26 11:30:22 3 16.35 0.00 0.74 0.03 0.07 82.81 11:40:01 all 30.91 0.00 1.09 0.08 0.09 67.84 11:40:01 0 31.68 0.00 1.17 0.09 0.10 66.96 11:40:01 1 31.28 0.00 1.19 0.14 0.09 67.30 11:40:01 2 31.54 0.00 0.97 0.04 0.09 67.36 11:40:01 3 29.12 0.00 1.03 0.04 0.08 69.73 11:50:23 all 18.48 0.00 0.64 0.20 0.08 80.60 11:50:23 0 19.03 0.00 0.60 0.07 0.09 80.21 11:50:23 1 18.16 0.00 0.64 0.24 0.08 80.88 11:50:23 2 17.94 0.00 0.78 0.27 0.09 80.92 11:50:23 3 18.77 0.00 0.55 0.22 0.08 80.38 12:00:24 all 8.77 0.00 0.49 0.25 0.08 90.41 12:00:24 0 8.37 0.00 0.52 0.14 0.07 90.89 12:00:24 1 9.03 0.00 0.46 0.56 0.08 89.87 12:00:24 2 8.87 0.00 0.52 0.10 0.09 90.43 12:00:24 3 8.81 0.00 0.47 0.19 0.09 90.44 12:10:01 all 10.33 0.00 0.57 0.26 0.08 88.77 12:10:01 0 9.83 0.00 0.57 0.89 0.07 88.64 12:10:01 1 10.87 0.00 0.60 0.03 0.07 88.42 12:10:01 2 10.02 0.00 0.56 0.07 0.07 89.28 12:10:01 3 10.58 0.00 0.56 0.05 0.09 88.72 12:20:04 all 10.84 0.00 0.52 0.04 0.06 88.53 12:20:04 0 10.93 0.00 0.44 0.02 0.06 88.55 12:20:04 1 10.84 0.00 0.53 0.02 0.06 88.54 12:20:04 2 11.30 0.00 0.61 0.05 0.07 87.96 12:20:04 3 10.29 0.00 0.51 0.07 0.07 89.07 12:30:04 all 9.67 0.00 0.49 1.67 0.07 88.09 12:30:04 0 9.41 0.00 0.46 0.37 0.06 89.69 12:30:04 1 8.85 0.00 0.49 3.72 0.09 86.86 12:30:04 2 10.40 0.00 0.52 0.91 0.07 88.11 12:30:04 3 10.04 0.00 0.50 1.69 0.06 87.71 12:40:01 all 17.05 0.00 0.75 0.26 0.08 81.86 12:40:01 0 16.37 0.00 0.67 0.11 0.09 82.76 12:40:01 1 17.18 0.00 0.82 0.09 0.08 81.82 12:40:01 2 17.19 0.00 0.78 0.43 0.08 81.51 12:40:01 3 17.44 0.00 0.71 0.41 0.09 81.34 Average: CPU %user %nice %system %iowait %steal %idle Average: all 20.93 0.00 0.90 0.38 0.09 77.69 Average: 0 20.81 0.00 0.87 0.27 0.09 77.96 Average: 1 20.81 0.00 0.94 0.61 0.09 77.55 Average: 2 21.09 0.00 0.92 0.27 0.09 77.62 Average: 3 21.02 0.00 0.89 0.38 0.09 77.62