---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-50338 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 10822 3 4451 14931 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:93:5e:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.209/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79323sec preferred_lft 79323sec inet6 fe80::f816:3eff:fe93:5e03/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:c5:45:6f:c8:ad 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 ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-50338) 03/05/26 _x86_64_ (4 CPU) 08:17:25 LINUX RESTART (4 CPU) 08:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:04 91.32 4.44 82.35 4.53 579.75 31999.15 13378.16 08:40:01 50.93 21.63 27.71 1.58 253.15 1703.84 1237.83 08:50:11 7.85 0.10 7.35 0.40 4.22 274.70 564.35 09:00:11 15.50 0.01 14.74 0.74 0.77 689.83 577.76 09:10:01 14.80 0.01 14.05 0.74 0.64 465.41 653.49 09:20:11 4.86 0.02 4.67 0.18 0.72 123.16 67.87 09:30:11 20.92 0.08 5.18 15.66 2.01 153.85 210796.72 09:40:01 3.13 0.01 3.12 0.00 0.16 43.51 0.01 09:50:05 5.05 0.01 4.85 0.19 0.58 145.37 71.36 10:00:11 11.30 0.01 10.78 0.51 0.73 656.49 252.41 10:10:01 6.02 0.03 5.81 0.19 1.91 180.41 186.79 Average: 21.06 2.39 16.42 2.25 76.80 3319.01 20713.72 08:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:04 2542944 6032392 9898076 60.45 250548 3186760 10718744 61.53 1991876 11206368 1424 08:40:01 4006076 7293380 8641072 52.78 262312 3014520 9423296 54.09 2101380 9675184 348 08:50:11 6492752 9805680 6129944 37.44 263380 3038880 6896100 39.58 2109812 7200792 212 09:00:11 10331164 13769612 2169552 13.25 268592 3158192 2874200 16.50 2147968 3350860 124 09:10:01 7968928 11467416 4470596 27.30 271136 3215656 5186632 29.77 2152872 5693960 344 09:20:11 7867900 11382372 4555588 27.82 271740 3231004 5261592 30.20 2154296 5792536 164 09:30:11 6323328 9864776 6072312 37.09 274088 3255604 6753512 38.77 2163068 7318040 56 09:40:01 6163084 9706020 6230956 38.06 274340 3256852 6882124 39.50 2163460 7486264 376 09:50:05 6144224 9708084 6228936 38.04 274960 3277164 6905340 39.64 2166912 7504760 460 10:00:11 7647560 11356092 4581832 27.98 279088 3412464 5212420 29.92 2183376 5986412 68 10:10:01 6706224 10441784 5495596 33.56 279696 3438816 6090692 34.96 2194336 6895820 320 Average: 6563108 10075237 5861315 35.80 269989 3225992 6564059 37.68 2139032 7101000 354 08:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:04 lo 11.67 11.67 11.43 11.43 0.00 0.00 0.00 0.00 08:30:04 ens3 69.67 53.25 1210.98 5.89 0.00 0.00 0.00 0.00 08:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 46.49 46.49 21.95 21.95 0.00 0.00 0.00 0.00 08:40:01 ens3 2.14 1.86 0.45 1.05 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:11 lo 25.96 25.96 11.84 11.84 0.00 0.00 0.00 0.00 08:50:11 ens3 0.84 0.65 0.17 0.37 0.00 0.00 0.00 0.00 08:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:11 lo 11.24 11.24 5.61 5.61 0.00 0.00 0.00 0.00 09:00:11 ens3 1.06 0.79 0.30 0.23 0.00 0.00 0.00 0.00 09:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 lo 19.61 19.61 10.19 10.19 0.00 0.00 0.00 0.00 09:10:01 ens3 1.60 0.95 0.55 0.40 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:11 lo 13.12 13.12 6.00 6.00 0.00 0.00 0.00 0.00 09:20:11 ens3 0.67 0.43 0.17 0.12 0.00 0.00 0.00 0.00 09:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:11 lo 28.00 28.00 11.20 11.20 0.00 0.00 0.00 0.00 09:30:11 ens3 0.62 0.48 0.14 0.11 0.00 0.00 0.00 0.00 09:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 10.16 10.16 4.35 4.35 0.00 0.00 0.00 0.00 09:40:01 ens3 0.77 0.37 0.24 0.15 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 17.36 17.36 10.12 10.12 0.00 0.00 0.00 0.00 09:50:05 ens3 0.60 0.46 0.12 0.09 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 10:00:11 lo 17.03 17.03 9.62 9.62 0.00 0.00 0.00 0.00 10:00:11 ens3 1.03 0.86 0.28 0.22 0.00 0.00 0.00 0.00 10:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 lo 23.91 23.91 9.49 9.49 0.00 0.00 0.00 0.00 10:10:01 ens3 0.60 0.51 0.15 0.12 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.40 20.40 10.16 10.16 0.00 0.00 0.00 0.00 Average: ens3 7.25 5.52 110.60 0.80 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-50338) 03/05/26 _x86_64_ (4 CPU) 08:17:25 LINUX RESTART (4 CPU) 08:20:03 CPU %user %nice %system %iowait %steal %idle 08:30:04 all 56.01 0.00 2.40 0.28 0.09 41.22 08:30:04 0 54.64 0.00 2.29 0.30 0.08 42.69 08:30:04 1 57.89 0.00 2.47 0.32 0.09 39.23 08:30:04 2 58.38 0.00 2.64 0.35 0.09 38.54 08:30:04 3 53.15 0.00 2.19 0.15 0.09 44.43 08:40:01 all 53.24 0.00 1.90 0.08 0.10 44.68 08:40:01 0 53.26 0.00 1.89 0.05 0.10 44.70 08:40:01 1 53.74 0.00 1.82 0.05 0.10 44.30 08:40:01 2 52.69 0.00 1.92 0.14 0.10 45.16 08:40:01 3 53.26 0.00 1.99 0.07 0.10 44.58 08:50:11 all 18.00 0.00 0.82 0.03 0.08 81.07 08:50:11 0 17.64 0.00 0.83 0.03 0.08 81.43 08:50:11 1 18.21 0.00 0.87 0.02 0.08 80.83 08:50:11 2 18.08 0.00 0.75 0.01 0.08 81.08 08:50:11 3 18.09 0.00 0.84 0.07 0.08 80.93 09:00:11 all 21.77 0.00 0.83 0.05 0.08 77.28 09:00:11 0 21.93 0.00 0.88 0.08 0.08 77.03 09:00:11 1 20.26 0.00 0.80 0.03 0.08 78.83 09:00:11 2 21.96 0.00 0.79 0.02 0.08 77.16 09:00:11 3 22.92 0.00 0.83 0.05 0.07 76.13 09:10:01 all 25.22 0.00 0.88 0.07 0.08 73.75 09:10:01 0 25.11 0.00 0.87 0.16 0.08 73.78 09:10:01 1 25.85 0.00 0.76 0.01 0.09 73.29 09:10:01 2 24.21 0.00 1.05 0.05 0.08 74.62 09:10:01 3 25.69 0.00 0.83 0.06 0.08 73.34 09:20:11 all 7.71 0.00 0.48 0.06 0.06 91.69 09:20:11 0 7.69 0.00 0.47 0.01 0.06 91.78 09:20:11 1 7.94 0.00 0.54 0.06 0.06 91.40 09:20:11 2 7.21 0.00 0.49 0.06 0.06 92.17 09:20:11 3 7.99 0.00 0.41 0.12 0.05 91.42 09:30:11 all 10.78 0.00 0.49 0.04 0.06 88.63 09:30:11 0 10.47 0.00 0.50 0.01 0.06 88.97 09:30:11 1 11.00 0.00 0.52 0.05 0.07 88.37 09:30:11 2 10.81 0.00 0.48 0.08 0.06 88.57 09:30:11 3 10.83 0.00 0.48 0.01 0.06 88.62 09:40:01 all 1.59 0.00 0.19 0.02 0.05 98.16 09:40:01 0 1.77 0.00 0.20 0.00 0.04 97.98 09:40:01 1 1.62 0.00 0.19 0.01 0.05 98.13 09:40:01 2 1.44 0.00 0.18 0.03 0.05 98.30 09:40:01 3 1.51 0.00 0.17 0.02 0.05 98.24 09:50:05 all 10.65 0.00 0.42 0.02 0.06 88.85 09:50:05 0 10.96 0.00 0.42 0.00 0.06 88.55 09:50:05 1 11.10 0.00 0.43 0.03 0.06 88.38 09:50:05 2 10.24 0.00 0.42 0.02 0.06 89.27 09:50:05 3 10.30 0.00 0.39 0.05 0.06 89.20 10:00:11 all 20.48 0.00 0.75 0.04 0.07 78.66 10:00:11 0 19.73 0.00 0.69 0.11 0.07 79.40 10:00:11 1 20.67 0.00 0.77 0.02 0.07 78.47 10:00:11 2 20.67 0.00 0.88 0.03 0.07 78.35 10:00:11 3 20.87 0.00 0.66 0.01 0.07 78.40 10:10:01 all 9.80 0.00 0.41 0.02 0.05 89.73 10:10:01 0 10.06 0.00 0.41 0.01 0.05 89.47 10:10:01 1 9.36 0.00 0.45 0.01 0.06 90.12 10:10:01 2 10.09 0.00 0.42 0.04 0.05 89.39 10:10:01 3 9.67 0.00 0.35 0.01 0.05 89.92 Average: CPU %user %nice %system %iowait %steal %idle Average: all 21.40 0.00 0.87 0.06 0.07 77.60 Average: 0 21.20 0.00 0.86 0.07 0.07 77.80 Average: 1 21.61 0.00 0.88 0.06 0.07 77.38 Average: 2 21.46 0.00 0.91 0.08 0.07 77.49 Average: 3 21.31 0.00 0.83 0.06 0.07 77.73