---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-14895 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 723 10706 3 4560 14923 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:89:c3:50 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.28/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79624sec preferred_lft 79624sec inet6 fe80::f816:3eff:fe89:c350/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:78:c1:da:d1:3d 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::d078:c1ff:feda:d13d/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-14895) 03/23/26 _x86_64_ (4 CPU) 08:14:15 LINUX RESTART (4 CPU) 08:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:00 107.74 25.06 64.57 18.12 376.14 9949.84 220221.86 08:40:03 17.07 0.22 15.95 0.91 7.61 432.54 879.38 08:50:20 7.02 0.10 6.57 0.36 5.62 255.35 1057.74 09:00:20 10.20 0.06 9.69 0.45 1.32 541.43 805.18 09:10:21 16.14 0.02 15.42 0.70 0.59 512.32 1668.96 09:20:21 6.30 0.01 6.04 0.24 0.84 200.93 201.01 09:30:04 5.53 0.01 5.27 0.26 1.09 164.09 75.13 09:40:01 5.53 0.01 5.31 0.21 0.47 161.46 81.55 09:50:05 5.20 0.00 5.02 0.18 0.13 155.17 41.94 10:00:04 8.71 0.34 7.98 0.39 13.58 569.49 391.44 Average: 18.95 2.58 14.19 2.18 40.74 1294.19 22537.48 08:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:00 4455604 7805664 8125444 49.63 265520 3067408 10200960 58.55 2143000 9192248 3688 08:40:03 3836848 7214352 8718016 53.25 268584 3091608 9525260 54.67 2183104 9774624 564 08:50:20 6249912 9650904 6283756 38.38 269648 3114032 7051352 40.47 2190884 7355324 808 09:00:20 8226488 11732504 4203524 25.67 273868 3214888 5143076 29.52 2226592 5362264 296 09:10:21 7827112 11403876 4532020 27.68 276408 3283100 5328024 30.58 2233312 5747704 180 09:20:21 8476328 12081872 3854560 23.54 276956 3311328 4956632 28.45 2235152 5106364 604 09:30:04 6414448 10041404 5893596 36.00 277736 3331964 6686484 38.38 2237332 7155624 268 09:40:01 6338876 9987300 5947668 36.33 278412 3352756 6756276 38.78 2240580 7217820 352 09:50:05 7767400 11437652 4498272 27.47 279060 3373932 5301256 30.43 2242760 5797736 272 10:00:04 7460460 11265520 4669956 28.52 283536 3498760 5308272 30.47 2259528 6069144 528 Average: 6705348 10262105 5672681 34.65 274973 3263978 6625759 38.03 2219224 6877885 756 08:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:00 lo 20.86 20.86 17.13 17.13 0.00 0.00 0.00 0.00 08:30:00 ens3 2.24 1.83 0.66 0.54 0.00 0.00 0.00 0.00 08:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:03 lo 47.40 47.40 20.54 20.54 0.00 0.00 0.00 0.00 08:40:03 ens3 1.83 1.55 0.39 0.33 0.00 0.00 0.00 0.00 08:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:20 lo 15.54 15.54 7.43 7.43 0.00 0.00 0.00 0.00 08:50:20 ens3 0.82 0.47 0.17 0.96 0.00 0.00 0.00 0.00 08:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:20 lo 8.09 8.09 3.72 3.72 0.00 0.00 0.00 0.00 09:00:20 ens3 0.76 0.56 0.21 0.16 0.00 0.00 0.00 0.00 09:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:21 lo 15.51 15.51 8.25 8.25 0.00 0.00 0.00 0.00 09:10:21 ens3 0.93 0.71 0.18 0.14 0.00 0.00 0.00 0.00 09:10:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:21 lo 17.47 17.47 8.51 8.51 0.00 0.00 0.00 0.00 09:20:21 ens3 0.80 0.54 0.15 0.11 0.00 0.00 0.00 0.00 09:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:04 lo 30.31 30.31 12.10 12.10 0.00 0.00 0.00 0.00 09:30:04 ens3 0.71 0.46 0.18 0.13 0.00 0.00 0.00 0.00 09:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 19.48 19.48 10.42 10.42 0.00 0.00 0.00 0.00 09:40:01 ens3 0.79 0.66 0.18 0.14 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:05 lo 11.64 11.64 6.74 6.74 0.00 0.00 0.00 0.00 09:50:05 ens3 0.50 0.34 0.10 0.07 0.00 0.00 0.00 0.00 09:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:04 lo 20.35 20.35 9.80 9.80 0.00 0.00 0.00 0.00 10:00:04 ens3 1.12 0.94 0.34 0.27 0.00 0.00 0.00 0.00 10:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.63 20.63 10.45 10.45 0.00 0.00 0.00 0.00 Average: ens3 1.05 0.81 0.26 0.29 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-14895) 03/23/26 _x86_64_ (4 CPU) 08:14:15 LINUX RESTART (4 CPU) 08:20:00 CPU %user %nice %system %iowait %steal %idle 08:30:00 all 56.05 0.00 2.23 0.15 0.12 41.44 08:30:00 0 56.11 0.00 2.08 0.15 0.12 41.54 08:30:00 1 57.23 0.00 2.24 0.15 0.12 40.26 08:30:00 2 55.57 0.00 2.27 0.22 0.12 41.82 08:30:00 3 55.31 0.00 2.33 0.10 0.12 42.15 08:40:03 all 39.04 0.00 1.57 0.03 0.12 59.23 08:40:03 0 39.25 0.00 1.58 0.05 0.12 59.00 08:40:03 1 38.69 0.00 1.66 0.05 0.12 59.47 08:40:03 2 39.57 0.00 1.57 0.01 0.12 58.72 08:40:03 3 38.66 0.00 1.48 0.02 0.12 59.72 08:50:20 all 17.31 0.00 0.83 0.02 0.08 81.75 08:50:20 0 17.62 0.00 0.82 0.02 0.08 81.46 08:50:20 1 16.92 0.00 0.87 0.03 0.09 82.08 08:50:20 2 17.09 0.00 0.81 0.04 0.09 81.97 08:50:20 3 17.63 0.00 0.80 0.01 0.08 81.48 09:00:20 all 15.48 0.00 0.70 0.04 0.08 83.70 09:00:20 0 15.53 0.00 0.72 0.02 0.07 83.66 09:00:20 1 15.91 0.00 0.68 0.08 0.07 83.26 09:00:20 2 15.15 0.00 0.70 0.02 0.08 84.04 09:00:20 3 15.35 0.00 0.71 0.02 0.08 83.85 09:10:21 all 25.68 0.00 0.78 0.05 0.08 73.41 09:10:21 0 25.66 0.00 0.80 0.04 0.08 73.42 09:10:21 1 25.37 0.00 0.75 0.03 0.08 73.77 09:10:21 2 25.82 0.00 0.82 0.04 0.08 73.24 09:10:21 3 25.87 0.00 0.76 0.07 0.08 73.21 09:20:21 all 12.11 0.00 0.45 0.02 0.07 87.36 09:20:21 0 11.81 0.00 0.34 0.02 0.06 87.77 09:20:21 1 12.21 0.00 0.46 0.02 0.07 87.25 09:20:21 2 12.52 0.00 0.49 0.03 0.07 86.89 09:20:21 3 11.89 0.00 0.49 0.02 0.06 87.54 09:30:04 all 12.50 0.00 0.44 0.02 0.07 86.96 09:30:04 0 12.62 0.00 0.44 0.04 0.07 86.83 09:30:04 1 12.51 0.00 0.41 0.01 0.07 87.00 09:30:04 2 12.76 0.00 0.42 0.02 0.07 86.73 09:30:04 3 12.12 0.00 0.50 0.01 0.08 87.29 09:40:01 all 10.65 0.00 0.51 0.02 0.07 88.74 09:40:01 0 9.91 0.00 0.51 0.03 0.07 89.49 09:40:01 1 10.99 0.00 0.56 0.03 0.08 88.35 09:40:01 2 10.87 0.00 0.50 0.00 0.07 88.55 09:40:01 3 10.82 0.00 0.49 0.04 0.07 88.59 09:50:05 all 7.82 0.00 0.56 0.03 0.09 91.50 09:50:05 0 7.26 0.00 0.55 0.02 0.06 92.11 09:50:05 1 8.00 0.00 0.57 0.02 0.08 91.32 09:50:05 2 8.14 0.00 0.56 0.01 0.16 91.13 09:50:05 3 7.87 0.00 0.57 0.08 0.06 91.43 10:00:04 all 15.47 0.00 0.66 0.04 0.07 83.75 10:00:04 0 15.48 0.00 0.64 0.04 0.07 83.77 10:00:04 1 14.81 0.00 0.59 0.03 0.08 84.49 10:00:04 2 15.42 0.00 0.75 0.05 0.08 83.70 10:00:04 3 16.19 0.00 0.68 0.02 0.07 83.04 Average: all 21.22 0.00 0.88 0.04 0.09 77.78 Average: 0 21.14 0.00 0.85 0.04 0.08 77.89 Average: 1 21.27 0.00 0.88 0.04 0.09 77.72 Average: 2 21.29 0.00 0.89 0.04 0.09 77.68 Average: 3 21.19 0.00 0.88 0.04 0.08 77.81