---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-2990 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 702 10910 3 4375 14943 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:1c:ff:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78553sec preferred_lft 78553sec inet6 fe80::f816:3eff:fe1c:ff77/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:c0:b4:38:a8:63 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::ccc0:b4ff:fe38:a863/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-2990) 04/15/26 _x86_64_ (4 CPU) 10:50:13 LINUX RESTART (4 CPU) 11:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:01 75.45 24.06 48.38 3.01 316.93 5380.92 3814.84 11:20:12 13.94 0.06 13.13 0.76 2.55 502.64 2261.28 11:30:02 2.94 0.03 2.81 0.10 3.25 89.32 237.22 11:40:01 27.11 12.04 14.42 0.65 146.25 692.92 248.67 11:50:02 12.20 0.01 11.68 0.51 0.36 363.62 462.61 12:00:15 4.87 0.01 4.71 0.16 0.40 123.63 254.28 12:10:01 5.50 0.00 5.30 0.20 0.16 151.59 72.07 12:20:02 21.03 0.05 5.62 15.36 2.13 155.46 209534.20 12:30:02 5.24 0.00 5.03 0.21 0.32 153.03 277.43 12:40:01 5.96 0.01 5.69 0.26 0.16 187.49 67.78 12:50:04 8.29 0.01 7.98 0.30 0.56 529.81 312.64 13:00:03 5.89 0.31 5.40 0.18 92.47 181.60 45.59 Average: 15.72 3.05 10.86 1.81 47.09 709.85 18163.15 11:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:01 1516588 4610632 11322172 69.15 267036 2830936 12000588 68.88 2043340 12252872 492 11:20:12 3510252 6636356 9298228 56.79 268968 2861060 11040708 63.37 2064684 10241988 1080 11:30:02 6318596 9454760 6479904 39.58 269540 2870568 7280488 41.79 2067052 7427496 344 11:40:01 10483972 13801236 2138404 13.06 278984 3036048 2902852 16.66 2134936 3203548 304 11:50:02 7969296 11337640 4600820 28.10 280840 3085268 5391840 30.95 2138684 5714936 284 12:00:15 7959080 11342976 4595288 28.07 281476 3100188 5343624 30.67 2139936 5723756 244 12:10:01 7835684 11238796 4699300 28.70 282084 3118800 5361832 30.78 2141320 5835148 248 12:20:02 6464376 9892060 6045192 36.92 282852 3142600 6842392 39.28 2148852 7207960 420 12:30:02 6461364 9910212 6027084 36.81 283560 3163052 6792400 38.99 2152420 7207908 288 12:40:01 11761756 15333416 606500 3.70 287296 3277204 1329988 7.63 2159292 1880820 95184 12:50:04 7639992 11238744 4699496 28.70 288168 3303216 5319992 30.54 2168708 6013176 288 13:00:03 11370732 15395032 545292 3.33 288876 3727456 1211144 6.95 2209628 2242996 369676 Average: 7440974 10849322 5088140 31.08 279973 3126366 5901487 33.87 2130738 6246050 39071 11:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:01 lo 41.36 41.36 25.52 25.52 0.00 0.00 0.00 0.00 11:10:01 ens3 2.47 2.25 0.73 0.63 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:12 lo 35.31 35.31 14.20 14.20 0.00 0.00 0.00 0.00 11:20:12 ens3 1.28 1.25 0.23 1.11 0.00 0.00 0.00 0.00 11:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:02 lo 9.91 9.91 5.02 5.02 0.00 0.00 0.00 0.00 11:30:02 ens3 0.37 0.19 0.07 0.04 0.00 0.00 0.00 0.00 11:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 7.42 7.42 3.99 3.99 0.00 0.00 0.00 0.00 11:40:01 ens3 0.91 0.73 0.25 0.20 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 11:50:02 lo 14.76 14.76 7.13 7.13 0.00 0.00 0.00 0.00 11:50:02 ens3 0.62 0.51 0.13 0.10 0.00 0.00 0.00 0.00 11:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:15 lo 11.91 11.91 6.45 6.45 0.00 0.00 0.00 0.00 12:00:15 ens3 0.75 0.51 0.21 0.15 0.00 0.00 0.00 0.00 12:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 27.26 27.26 9.46 9.46 0.00 0.00 0.00 0.00 12:10:01 ens3 0.49 0.44 0.10 0.08 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 12:20:02 lo 16.50 16.50 8.36 8.36 0.00 0.00 0.00 0.00 12:20:02 ens3 1.25 0.54 0.24 0.12 0.00 0.00 0.00 0.00 12:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:02 lo 11.44 11.44 7.26 7.26 0.00 0.00 0.00 0.00 12:30:02 ens3 2.30 0.50 0.44 0.18 0.00 0.00 0.00 0.00 12:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 lo 11.21 11.21 5.90 5.90 0.00 0.00 0.00 0.00 12:40:01 ens3 1.21 0.63 0.37 0.25 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 12:50:04 lo 15.28 15.28 8.06 8.06 0.00 0.00 0.00 0.00 12:50:04 ens3 0.93 0.54 0.17 0.11 0.00 0.00 0.00 0.00 12:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:03 lo 28.28 28.28 10.78 10.78 0.00 0.00 0.00 0.00 13:00:03 ens3 1.13 0.79 0.29 0.21 0.00 0.00 0.00 0.00 13:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.23 19.23 9.35 9.35 0.00 0.00 0.00 0.00 Average: ens3 1.14 0.74 0.27 0.27 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-2990) 04/15/26 _x86_64_ (4 CPU) 10:50:13 LINUX RESTART (4 CPU) 11:00:01 CPU %user %nice %system %iowait %steal %idle 11:10:01 all 65.38 0.00 2.47 0.11 0.12 31.92 11:10:01 0 65.81 0.00 2.36 0.08 0.12 31.62 11:10:01 1 65.76 0.00 2.35 0.08 0.11 31.71 11:10:01 2 64.92 0.00 2.57 0.21 0.12 32.19 11:10:01 3 65.05 0.00 2.60 0.07 0.12 32.16 11:20:12 all 31.53 0.00 1.27 0.06 0.10 67.04 11:20:12 0 31.95 0.00 1.23 0.16 0.09 66.57 11:20:12 1 31.41 0.00 1.30 0.04 0.10 67.16 11:20:12 2 32.06 0.00 1.37 0.01 0.10 66.46 11:20:12 3 30.69 0.00 1.19 0.05 0.10 67.97 11:30:02 all 5.37 0.00 0.44 0.02 0.07 94.09 11:30:02 0 5.59 0.00 0.40 0.02 0.07 93.92 11:30:02 1 5.34 0.00 0.49 0.03 0.07 94.06 11:30:02 2 5.30 0.00 0.47 0.02 0.08 94.13 11:30:02 3 5.25 0.00 0.42 0.01 0.06 94.26 11:40:01 all 21.15 0.08 0.78 0.14 0.06 77.79 11:40:01 0 20.03 0.00 0.70 0.05 0.06 79.15 11:40:01 1 21.65 0.27 0.75 0.33 0.06 76.93 11:40:01 2 21.94 0.02 0.83 0.07 0.08 77.07 11:40:01 3 20.97 0.03 0.85 0.09 0.06 78.01 11:50:02 all 19.31 0.00 0.71 0.04 0.06 79.89 11:50:02 0 19.52 0.00 0.59 0.02 0.06 79.81 11:50:02 1 18.77 0.00 0.72 0.04 0.06 80.40 11:50:02 2 19.67 0.00 0.67 0.02 0.07 79.57 11:50:02 3 19.26 0.00 0.85 0.07 0.06 79.76 12:00:15 all 7.78 0.00 0.32 0.02 0.05 91.83 12:00:15 0 7.86 0.00 0.29 0.00 0.05 91.80 12:00:15 1 8.02 0.00 0.36 0.04 0.06 91.52 12:00:15 2 7.86 0.00 0.31 0.01 0.06 91.76 12:00:15 3 7.36 0.00 0.33 0.02 0.05 92.23 12:10:01 all 9.17 0.00 0.40 0.05 0.06 90.32 12:10:01 0 9.01 0.00 0.35 0.00 0.05 90.58 12:10:01 1 9.16 0.00 0.49 0.01 0.05 90.29 12:10:01 2 8.89 0.00 0.38 0.16 0.06 90.51 12:10:01 3 9.60 0.00 0.39 0.04 0.07 89.90 12:20:02 all 9.92 0.00 0.47 0.04 0.06 89.51 12:20:02 0 9.94 0.00 0.48 0.01 0.06 89.51 12:20:02 1 10.15 0.00 0.51 0.10 0.07 89.17 12:20:02 2 9.84 0.00 0.44 0.02 0.07 89.63 12:20:02 3 9.75 0.00 0.44 0.03 0.06 89.72 12:30:02 all 9.86 0.00 0.51 0.02 0.06 89.54 12:30:02 0 9.49 0.00 0.49 0.00 0.05 89.96 12:30:02 1 9.74 0.00 0.45 0.03 0.06 89.72 12:30:02 2 9.94 0.00 0.59 0.04 0.07 89.37 12:30:02 3 10.27 0.00 0.51 0.02 0.06 89.13 12:40:01 all 7.59 0.00 0.44 0.02 0.06 91.88 12:40:01 0 7.30 0.00 0.37 0.03 0.06 92.25 12:40:01 1 8.17 0.00 0.51 0.01 0.06 91.25 12:40:01 2 7.53 0.00 0.51 0.05 0.07 91.85 12:40:01 3 7.35 0.00 0.38 0.01 0.06 92.20 12:50:04 all 13.68 0.00 0.52 0.03 0.07 85.70 12:50:04 0 13.51 0.00 0.45 0.00 0.06 85.97 12:50:04 1 14.16 0.00 0.59 0.02 0.07 85.17 12:50:04 2 13.75 0.00 0.52 0.05 0.07 85.61 12:50:04 3 13.31 0.00 0.52 0.04 0.07 86.05 12:50:04 CPU %user %nice %system %iowait %steal %idle 13:00:03 all 9.54 0.00 0.38 0.02 0.07 89.99 13:00:03 0 9.56 0.00 0.30 0.01 0.07 90.06 13:00:03 1 9.63 0.00 0.37 0.01 0.07 89.93 13:00:03 2 9.10 0.00 0.43 0.06 0.07 90.34 13:00:03 3 9.88 0.00 0.41 0.02 0.07 89.62 Average: all 17.56 0.01 0.73 0.05 0.07 81.59 Average: 0 17.50 0.00 0.67 0.03 0.07 81.73 Average: 1 17.70 0.02 0.74 0.06 0.07 81.40 Average: 2 17.61 0.00 0.76 0.06 0.08 81.50 Average: 3 17.43 0.00 0.74 0.04 0.07 81.71